<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Hi Honghe,<div class=""><br class=""></div><div class="">I think you sent this to the wrong mailing list, this is the yt list.</div><div class=""><br class=""></div><div class="">However, if you ever have any questions for us, please feel free to ask!</div><div class=""><br class=""></div><div class="">Best,</div><div class=""><br class=""></div><div class="">John ZuHone</div><div class=""><br class=""><div><blockquote type="cite" class=""><div class="">On Oct 12, 2016, at 10:46 PM, Honghe <<a href="mailto:397667796@qq.com" class="">397667796@qq.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class=""><table style="margin: 0px; padding: 0px; border: 0px; font-size: 13px; border-spacing: 0px; border-collapse: collapse; color: rgb(36, 39, 41); font-family: Arial, "Helvetica Neue", Helvetica, sans-serif; line-height: 16.9px;" class=""><tbody style="margin: 0px; padding: 0px; border: 0px;" class=""><tr style="margin: 0px; padding: 0px; border: 0px;" class=""><td class="votecell" style="margin: 0px; padding: 0px 15px 0px 0px; border: 0px; vertical-align: top;"><div class="vote" style="margin: 0px; padding: 0px; border: 0px; text-align: center; min-width: 46px;"><span itemprop="upvoteCount" class=" vote-count-post" title="View upvote and downvote totals" style="margin: 8px 0px; padding: 0px; border: 0px; font-size: 20px; display: block; color: rgb(106, 115, 124); cursor: pointer;"><br class="Apple-interchange-newline"><br class=""></span><a class="vote-down-off" title="This question does not show any research effort; it is unclear or not useful" style="margin: 0px auto 10px; padding: 0px; border: 0px; font-size: 1px; color: rgb(0, 119, 204); cursor: pointer; overflow: hidden; display: block; text-indent: -9999em; width: 40px; height: 30px; background-image: url("img/sprites.svg?v=8c1c8cba242e"), none; background-size: initial; background-position: 0px -220px; background-repeat: no-repeat;">down vote</a><a class="star-off" href="http://stackoverflow.com/questions/39976669/vtk-how-to-import-3d-image-data-via-imageimport-on-c#" title="Click to mark as favorite question (click again to undo)" style="margin: 0px auto 2px; padding: 0px; border: 0px; font-size: 1px; color: rgb(0, 119, 204); text-decoration: none; cursor: pointer; overflow: hidden; display: block; text-indent: -9999em; width: 40px; height: 30px; background-image: url("img/sprites.svg?v=8c1c8cba242e"), none; background-size: initial; background-position: 0px -120px; background-repeat: no-repeat;">favorite</a><div class="favoritecount" style="margin: 0px; padding: 0px; border: 0px;"><span style="margin: 0px; padding: 0px; border: 0px; color: rgb(106, 115, 124);" class=""></span></div></div></td><td class="postcell" style="margin: 0px; padding: 0px; border: 0px; vertical-align: top;"><div style="margin: 0px; padding: 0px; border: 0px;" class=""><div class="post-text" itemprop="text" style="margin: 0px 0px 5px; padding: 0px; border: 0px; font-size: 15px; width: 660px; word-wrap: break-word; line-height: 1.3;"><p style="margin: 0px 0px 1em; padding: 0px; border: 0px; clear: both;" class="">Thanks for VTK first, it is a nice Tool. But I meet a problem as follow. </p><p style="margin: 0px 0px 1em; padding: 0px; border: 0px; clear: both;" class="">Through VTK Python API, I can import/make 3d image data and Volume Rendering as follow:</p><p style="margin: 0px 0px 1em; padding: 0px; border: 0px; clear: both;" class=""><a href="http://i.stack.imgur.com/sslIo.png" rel="nofollow" style="margin: 0px; padding: 0px; border: 0px; color: rgb(0, 89, 153); text-decoration: none; cursor: pointer;" class=""><img src="http://i.stack.imgur.com/sslIo.png" alt="enter image description here" style="margin: 0px; padding: 0px; border-width: 0px; border-style: initial; max-width: 100%;" class=""></a></p><p style="margin: 0px 0px 1em; padding: 0px; border: 0px; clear: both;" class="">And the Python code is:</p><pre class="prettyprinted lang-Python prettyprint" style="margin-top: 0px; margin-bottom: 1em; padding: 5px; border: 0px; font-size: 13px; width: auto; max-height: 600px; overflow: auto; font-family: Consolas, Menlo, Monaco, "Lucida Console", "Liberation Mono", "DejaVu Sans Mono", "Bitstream Vera Sans Mono", "Courier New", monospace, sans-serif; color: rgb(57, 51, 24); word-wrap: normal; background-color: rgb(239, 240, 241);"><code style="margin: 0px; padding: 0px; border: 0px; font-family: Consolas, Menlo, Monaco, "Lucida Console", "Liberation Mono", "DejaVu Sans Mono", "Bitstream Vera Sans Mono", "Courier New", monospace, sans-serif; white-space: inherit;" class=""><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);"># coding=utf-8</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="kwd" style="margin: 0px; padding: 0px; border: 0px; color: rgb(16, 16, 148);">import</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> vtk
</span><span class="kwd" style="margin: 0px; padding: 0px; border: 0px; color: rgb(16, 16, 148);">from</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> numpy </span><span class="kwd" style="margin: 0px; padding: 0px; border: 0px; color: rgb(16, 16, 148);">import</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">*</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="kwd" style="margin: 0px; padding: 0px; border: 0px; color: rgb(16, 16, 148);">import</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> random
num </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">=</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">74</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);"># We begin by creating the data we want to render.</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);"># For this tutorial, we create a 3D-image containing three overlaping cubes.</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);"># This data can of course easily be replaced by data from a medical CT-scan or anything else three dimensional.</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);"># The only limit is that the data must be reduced to unsigned 8 bit or 16 bit integers.</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
data_matrix </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">=</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> zeros</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">([</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">num</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">,</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> num</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">,</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> num</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">],</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> dtype</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">=</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">uint8</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">)</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);"># data_matrix[0:35, 0:35, 0:35] = 50</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);"># data_matrix[25:55, 25:55, 25:55] = 100</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);"># data_matrix[45:74, 45:74, 45:74] = 150</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="kwd" style="margin: 0px; padding: 0px; border: 0px; color: rgb(16, 16, 148);">for</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> i </span><span class="kwd" style="margin: 0px; padding: 0px; border: 0px; color: rgb(16, 16, 148);">in</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> range</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">(</span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">0</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">,</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> num </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">-</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">1</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">):</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="kwd" style="margin: 0px; padding: 0px; border: 0px; color: rgb(16, 16, 148);">for</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> j </span><span class="kwd" style="margin: 0px; padding: 0px; border: 0px; color: rgb(16, 16, 148);">in</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> range</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">(</span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">0</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">,</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> num </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">-</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">1</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">):</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="kwd" style="margin: 0px; padding: 0px; border: 0px; color: rgb(16, 16, 148);">for</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> k </span><span class="kwd" style="margin: 0px; padding: 0px; border: 0px; color: rgb(16, 16, 148);">in</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> range</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">(</span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">0</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">,</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> num </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">-</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">1</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">):</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
data_matrix</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">[</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">i</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">:</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">i </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">+</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">1</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">,</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> j</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">:</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">j </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">+</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">1</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">,</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> k</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">:</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">k </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">+</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">1</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">]</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">=</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">100</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);"># For VTK to be able to use the data, it must be stored as a VTK-image. This can be done by the vtkImageImport-class which</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);"># imports raw data and stores it.</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
dataImporter </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">=</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> vtk</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">.</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">vtkImageImport</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">()</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);"># The preaviusly created array is converted to a string of chars and imported.</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
data_string </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">=</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> data_matrix</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">.</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">tostring</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">()</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);"># dataImporter.CopyImportVoidPointer(data_string, len(data_string))</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
dataImporter</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">.</span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">SetImportVoidPointer</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">(</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">data_matrix</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">)</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);"># The type of the newly imported data is set to unsigned char (uint8)</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
dataImporter</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">.</span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">SetDataScalarTypeToUnsignedChar</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">()</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);"># Because the data that is imported only contains an intensity value (it isnt RGB-coded or someting similar), the importer</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);"># must be told this is the case.</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
dataImporter</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">.</span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">SetNumberOfScalarComponents</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">(</span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">1</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">)</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);"># The following two functions describe how the data is stored and the dimensions of the array it is stored in. For this</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);"># simple case, all axes are of length 75 and begins with the first element. For other data, this is probably not the case.</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);"># I have to admit however, that I honestly dont know the difference between SetDataExtent() and SetWholeExtent() although</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);"># VTK complains if not both are used.</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
dataImporter</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">.</span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">SetDataExtent</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">(</span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">0</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">,</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">74</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">,</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">0</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">,</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">74</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">,</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">0</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">,</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">74</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">)</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
dataImporter</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">.</span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">SetWholeExtent</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">(</span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">0</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">,</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">74</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">,</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">0</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">,</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">74</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">,</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">0</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">,</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">74</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">)</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);"># The following class is used to store transparencyv-values for later retrival. In our case, we want the value 0 to be</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);"># completly opaque whereas the three different cubes are given different transperancy-values to show how it works.</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
alphaChannelFunc </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">=</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> vtk</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">.</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">vtkPiecewiseFunction</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">()</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
alphaChannelFunc</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">.</span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">AddPoint</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">(</span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">0</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">,</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">0.0</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">)</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);"># alphaChannelFunc.AddPoint(50, 0.001)</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);"># alphaChannelFunc.AddPoint(100, 0.02)</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
alphaChannelFunc</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">.</span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">AddPoint</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">(</span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">150</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">,</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">0.02</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">)</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);"># This class stores color data and can create color tables from a few color points. For this demo, we want the three cubes</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);"># to be of the colors red green and blue.</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
colorFunc </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">=</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> vtk</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">.</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">vtkColorTransferFunction</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">()</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
colorFunc</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">.</span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">AddRGBPoint</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">(</span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">50</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">,</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">0.0</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">,</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">0.2</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">,</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">0.2</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">)</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
colorFunc</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">.</span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">AddRGBPoint</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">(</span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">100</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">,</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">0.0</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">,</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">1.0</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">,</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">0.0</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">)</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
colorFunc</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">.</span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">AddRGBPoint</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">(</span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">150</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">,</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">0.0</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">,</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">0.0</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">,</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">1.0</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">)</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);"># The preavius two classes stored properties. Because we want to apply these properties to the volume we want to render,</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);"># we have to store them in a class that stores volume prpoperties.</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
volumeProperty </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">=</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> vtk</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">.</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">vtkVolumeProperty</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">()</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
volumeProperty</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">.</span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">SetColor</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">(</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">colorFunc</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">)</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
volumeProperty</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">.</span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">SetScalarOpacity</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">(</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">alphaChannelFunc</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">)</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);"># This class describes how the volume is rendered (through ray tracing).</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
compositeFunction </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">=</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> vtk</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">.</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">vtkVolumeRayCastCompositeFunction</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">()</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);"># We can finally create our volume. We also have to specify the data for it, as well as how the data will be rendered.</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
volumeMapper </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">=</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> vtk</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">.</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">vtkVolumeRayCastMapper</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">()</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
volumeMapper</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">.</span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">SetVolumeRayCastFunction</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">(</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">compositeFunction</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">)</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
volumeMapper</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">.</span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">SetInputConnection</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">(</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">dataImporter</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">.</span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">GetOutputPort</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">())</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);"># The class vtkVolume is used to pair the preaviusly declared volume as well as the properties to be used when rendering that volume.</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
volume </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">=</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> vtk</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">.</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">vtkVolume</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">()</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
volume</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">.</span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">SetMapper</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">(</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">volumeMapper</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">)</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
volume</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">.</span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">SetProperty</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">(</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">volumeProperty</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">)</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);"># With almost everything else ready, its time to initialize the renderer and window, as well as creating a method for exiting the application</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
renderer </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">=</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> vtk</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">.</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">vtkRenderer</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">()</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
renderWin </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">=</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> vtk</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">.</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">vtkRenderWindow</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">()</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
renderWin</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">.</span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">AddRenderer</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">(</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">renderer</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">)</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
renderInteractor </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">=</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> vtk</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">.</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">vtkRenderWindowInteractor</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">()</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
renderInteractor</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">.</span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">SetRenderWindow</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">(</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">renderWin</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">)</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);"># We add the volume to the renderer ...</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
renderer</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">.</span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">AddVolume</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">(</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">volume</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">)</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);"># ... set background color to white ...</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
renderer</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">.</span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">SetBackground</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">(</span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">1</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">,</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">1</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">,</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">1</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">)</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);"># ... and set window size.</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
renderWin</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">.</span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">SetSize</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">(</span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">400</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">,</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">400</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">)</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);"># A simple function to be called when the user decides to quit the application.</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="kwd" style="margin: 0px; padding: 0px; border: 0px; color: rgb(16, 16, 148);">def</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> exitCheck</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">(</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">obj</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">,</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="kwd" style="margin: 0px; padding: 0px; border: 0px; color: rgb(16, 16, 148);">event</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">):</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="kwd" style="margin: 0px; padding: 0px; border: 0px; color: rgb(16, 16, 148);">if</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> obj</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">.</span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">GetEventPending</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">()</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">!=</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">0</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">:</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
obj</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">.</span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">SetAbortRender</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">(</span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">1</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">)</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);"># Tell the application to use the function as an exit check.</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);"># renderWin.AddObserver("AbortCheckEvent", exitCheck)</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
renderInteractor</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">.</span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">Initialize</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">()</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);"># Because nothing will be rendered without any input, we order the first render manually before control is handed over to the main-loop.</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
renderWin</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">.</span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">Render</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">()</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
renderInteractor</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">.</span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">Start</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">()</span></code></pre><p style="margin: 0px 0px 1em; padding: 0px; border: 0px; clear: both;" class="">But for c++ API, I can not get the same Volume Rendering through ImageImport.</p><p style="margin: 0px 0px 1em; padding: 0px; border: 0px; clear: both;" class="">The following code is the C++ code I write refer to the above Python code. But the result is as follow：</p><p style="margin: 0px 0px 1em; padding: 0px; border: 0px; clear: both;" class=""><a href="http://i.stack.imgur.com/cCF9w.png" rel="nofollow" style="margin: 0px; padding: 0px; border: 0px; color: rgb(0, 89, 153); text-decoration: none; cursor: pointer;" class=""><img src="http://i.stack.imgur.com/cCF9w.png" alt="enter image description here" style="margin: 0px; padding: 0px; border-width: 0px; border-style: initial; max-width: 100%;" class=""></a></p><p style="margin: 0px 0px 1em; padding: 0px; border: 0px; clear: both;" class="">the C++ code I write refer to the above Python code:</p><pre class="prettyprint lang-c++ prettyprinted" style="margin-top: 0px; margin-bottom: 1em; padding: 5px; border: 0px; font-size: 13px; width: auto; max-height: 600px; overflow: auto; font-family: Consolas, Menlo, Monaco, "Lucida Console", "Liberation Mono", "DejaVu Sans Mono", "Bitstream Vera Sans Mono", "Courier New", monospace, sans-serif; color: rgb(57, 51, 24); word-wrap: normal; background-color: rgb(239, 240, 241);"><code style="margin: 0px; padding: 0px; border: 0px; font-family: Consolas, Menlo, Monaco, "Lucida Console", "Liberation Mono", "DejaVu Sans Mono", "Bitstream Vera Sans Mono", "Courier New", monospace, sans-serif; white-space: inherit;" class=""><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);">#include</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="str" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);"><iostream></span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);">#include</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="str" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);"><vtkStructuredPointsReader.h></span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);">#include</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="str" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);"><vtkVolumeRayCastCompositeFunction.h></span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);">#include</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="str" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);"><vtkVolumeRayCastMapper.h></span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);">#include</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="str" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);"><vtkRendererCollection.h></span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);">#include</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="str" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);"><vtkSmartPointer.h></span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);">#include</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="str" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);"><vtkImageImport.h></span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);">#include</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="str" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);"><stdlib.h></span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);">// VTK includes</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);">#include</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="str" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">"vtkBoxWidget.h"</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);">#include</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="str" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">"vtkCamera.h"</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);">#include</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="str" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">"vtkCommand.h"</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);">#include</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="str" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">"vtkColorTransferFunction.h"</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);">#include</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="str" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">"vtkDICOMImageReader.h"</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);">#include</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="str" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">"vtkImageData.h"</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);">#include</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="str" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">"vtkImageResample.h"</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);">#include</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="str" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">"vtkMetaImageReader.h"</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);">#include</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="str" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">"vtkPiecewiseFunction.h"</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);">#include</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="str" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">"vtkPlanes.h"</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);">#include</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="str" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">"vtkProperty.h"</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);">#include</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="str" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">"vtkRenderer.h"</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);">#include</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="str" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">"vtkRenderWindow.h"</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);">#include</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="str" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">"vtkRenderWindowInteractor.h"</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);">#include</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="str" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">"vtkVolume.h"</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);">#include</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="str" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">"vtkVolumeProperty.h"</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);">#include</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="str" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">"vtkXMLImageDataReader.h"</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);">#include</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="str" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">"vtkFixedPointVolumeRayCastMapper.h"</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="kwd" style="margin: 0px; padding: 0px; border: 0px; color: rgb(16, 16, 148);">int</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> main</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">()</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">{</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
std</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">::</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">cout </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"><<</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="str" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">"Hello, World!"</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"><<</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> std</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">::</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">endl</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">;</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);">// create data</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);">// Create a c-style image</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="kwd" style="margin: 0px; padding: 0px; border: 0px; color: rgb(16, 16, 148);">const</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="kwd" style="margin: 0px; padding: 0px; border: 0px; color: rgb(16, 16, 148);">int</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> width </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">=</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">4</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">;</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="kwd" style="margin: 0px; padding: 0px; border: 0px; color: rgb(16, 16, 148);">const</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="kwd" style="margin: 0px; padding: 0px; border: 0px; color: rgb(16, 16, 148);">int</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> height </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">=</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">4</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">;</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="kwd" style="margin: 0px; padding: 0px; border: 0px; color: rgb(16, 16, 148);">const</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="kwd" style="margin: 0px; padding: 0px; border: 0px; color: rgb(16, 16, 148);">int</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> depth </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">=</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">4</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">;</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="kwd" style="margin: 0px; padding: 0px; border: 0px; color: rgb(16, 16, 148);">unsigned</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="kwd" style="margin: 0px; padding: 0px; border: 0px; color: rgb(16, 16, 148);">char</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> cImage</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">[</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">width </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">*</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> height </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">*</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> depth</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">];</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="kwd" style="margin: 0px; padding: 0px; border: 0px; color: rgb(16, 16, 148);">unsigned</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="kwd" style="margin: 0px; padding: 0px; border: 0px; color: rgb(16, 16, 148);">char</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> value </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">=</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">0</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">;</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="kwd" style="margin: 0px; padding: 0px; border: 0px; color: rgb(16, 16, 148);">for</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">(</span><span class="kwd" style="margin: 0px; padding: 0px; border: 0px; color: rgb(16, 16, 148);">unsigned</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="kwd" style="margin: 0px; padding: 0px; border: 0px; color: rgb(16, 16, 148);">int</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> row </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">=</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">0</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">;</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> row </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"><</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> height</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">;</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">++</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">row</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">)</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">{</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="kwd" style="margin: 0px; padding: 0px; border: 0px; color: rgb(16, 16, 148);">for</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">(</span><span class="kwd" style="margin: 0px; padding: 0px; border: 0px; color: rgb(16, 16, 148);">unsigned</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="kwd" style="margin: 0px; padding: 0px; border: 0px; color: rgb(16, 16, 148);">int</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> col </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">=</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">0</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">;</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> col </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"><</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> width</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">;</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">++</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">col</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">)</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">{</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="kwd" style="margin: 0px; padding: 0px; border: 0px; color: rgb(16, 16, 148);">for</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">(</span><span class="kwd" style="margin: 0px; padding: 0px; border: 0px; color: rgb(16, 16, 148);">unsigned</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="kwd" style="margin: 0px; padding: 0px; border: 0px; color: rgb(16, 16, 148);">int</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> z </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">=</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">0</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">;</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> z </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"><</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> depth</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">;</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">++</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">z</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">)</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">{</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
cImage</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">[</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">row </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">*</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> width </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">*</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> depth </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">+</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> col </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">*</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> depth </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">+</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> z</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">]</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">=</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">100</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">;</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">}</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">}</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">}</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);">// Convert the c-style image to a vtkImageData</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
vtkSmartPointer</span><span class="str" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);"><vtkImageImport></span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> imageImport </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">=</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
vtkSmartPointer</span><span class="str" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);"><vtkImageImport></span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">::</span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">New</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">();</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
imageImport</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">-></span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">SetImportVoidPointer</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">(</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">cImage</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">);</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
imageImport</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">-></span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">SetDataScalarTypeToUnsignedChar</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">();</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
imageImport</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">-></span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">SetNumberOfScalarComponents</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">(</span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">1</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">);</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
imageImport</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">-></span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">SetDataSpacing</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">(</span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">1</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">,</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">1</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">,</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">1</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">);</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
imageImport</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">-></span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">SetDataOrigin</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">(</span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">0</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">,</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">0</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">,</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">0</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">);</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
imageImport</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">-></span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">SetDataExtent</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">(</span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">0</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">,</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> width </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">-</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">1</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">,</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">0</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">,</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> height </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">-</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">1</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">,</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">0</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">,</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> depth </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">-</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">1</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">);</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
imageImport</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">-></span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">SetWholeExtent</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">(</span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">0</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">,</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> width </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">-</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">1</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">,</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">0</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">,</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> height </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">-</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">1</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">,</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">0</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">,</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> depth </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">-</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">1</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">);</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);">// imageImport->SetDataExtentToWholeExtent();</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);">// imageImport->SetDataScalarTypeToUnsignedChar();</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);">// imageImport->SetNumberOfScalarComponents(1);</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
imageImport</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">-></span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">Update</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">();</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);">// Create the standard ren, render window and interactor</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
vtkRenderer </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">*</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">ren </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">=</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> vtkRenderer</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">::</span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">New</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">();</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
vtkRenderWindow </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">*</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">renWin </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">=</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> vtkRenderWindow</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">::</span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">New</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">();</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
renWin</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">-></span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">AddRenderer</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">(</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">ren</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">);</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
vtkRenderWindowInteractor </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">*</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">iren </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">=</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> vtkRenderWindowInteractor</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">::</span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">New</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">();</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
iren</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">-></span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">SetRenderWindow</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">(</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">renWin</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">);</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);">// Create the reader for the data</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);">// vtkStructuredPointsReader *reader = vtkStructuredPointsReader::New();</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);">// reader->SetFileName("/home/honhe/ClionProjects/Demo_vtk_SimpleRayCast/ironProt.vtk");</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);">// Create transfer mapping scalar value to opacity</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
vtkPiecewiseFunction </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">*</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">opacityTransferFunction </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">=</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> vtkPiecewiseFunction</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">::</span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">New</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">();</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
opacityTransferFunction</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">-></span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">AddPoint</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">(</span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">0</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">,</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">0.0</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">);</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
opacityTransferFunction</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">-></span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">AddPoint</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">(</span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">150</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">,</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">0.2</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">);</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);">// Create transfer mapping scalar value to color</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
vtkColorTransferFunction </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">*</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">colorTransferFunction </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">=</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> vtkColorTransferFunction</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">::</span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">New</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">();</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
colorTransferFunction</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">-></span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">AddRGBPoint</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">(</span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">0.0</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">,</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">0.0</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">,</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">0.0</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">,</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">0.0</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">);</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
colorTransferFunction</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">-></span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">AddRGBPoint</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">(</span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">100.0</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">,</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">0.0</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">,</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">1.0</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">,</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">0.0</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">);</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);">// The property describes how the data will look</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
vtkVolumeProperty </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">*</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">volumeProperty </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">=</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> vtkVolumeProperty</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">::</span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">New</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">();</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
volumeProperty</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">-></span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">SetColor</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">(</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">colorTransferFunction</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">);</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
volumeProperty</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">-></span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">SetScalarOpacity</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">(</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">opacityTransferFunction</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">);</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
volumeProperty</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">-></span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">ShadeOn</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">();</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
volumeProperty</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">-></span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">SetInterpolationTypeToLinear</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">();</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);">// The mapper / ray cast function know how to render the data</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
vtkVolumeRayCastCompositeFunction </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">*</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">compositeFunction </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">=</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> vtkVolumeRayCastCompositeFunction</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">::</span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">New</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">();</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
vtkVolumeRayCastMapper </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">*</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">volumeMapper </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">=</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> vtkVolumeRayCastMapper</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">::</span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">New</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">();</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
volumeMapper</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">-></span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">SetVolumeRayCastFunction</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">(</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">compositeFunction</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">);</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
volumeMapper</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">-></span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">SetInputConnection</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">(</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">imageImport</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">-></span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">GetOutputPort</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">());</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);">// The volume holds the mapper and the property and</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="com" style="margin: 0px; padding: 0px; border: 0px; color: rgb(133, 140, 147);">// can be used to position/orient the volume</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
vtkVolume </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">*</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">volume </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">=</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> vtkVolume</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">::</span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">New</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">();</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
volume</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">-></span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">SetMapper</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">(</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">volumeMapper</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">);</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
volume</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">-></span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">SetProperty</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">(</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">volumeProperty</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">);</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
ren</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">-></span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">AddVolume</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">(</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">volume</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">);</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
ren</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">-></span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">SetBackground</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">(</span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">1</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">,</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">1</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">,</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">1</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">);</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
renWin</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">-></span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">SetSize</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">(</span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">400</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">,</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">400</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">);</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
iren</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">-></span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">Initialize</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">();</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
renWin</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">-></span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">Render</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">();</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
iren</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">-></span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; color: rgb(43, 145, 175);">Start</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">();</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="kwd" style="margin: 0px; padding: 0px; border: 0px; color: rgb(16, 16, 148);">return</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);"> </span><span class="lit" style="margin: 0px; padding: 0px; border: 0px; color: rgb(125, 39, 39);">0</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">;</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">
</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; color: rgb(48, 51, 54);">}</span></code></pre><p style="margin: 0px 0px 1em; padding: 0px; border: 0px; clear: both;" class="">And I search example code, but only find the following, they can not work with 3d image data.</p><ul style="margin: 0px 0px 1em 30px; padding: 0px; border: 0px;" class=""><li style="margin: 0px 0px 0.5em; padding: 0px; border: 0px; word-wrap: break-word;" class="">This example show how to import 2d Image <a href="http://www.vtk.org/Wiki/VTK/Examples/Cxx/Images/ImageImport" rel="nofollow" style="margin: 0px; padding: 0px; border: 0px; color: rgb(0, 89, 153); text-decoration: none; cursor: pointer;" class="">VTK/Examples/Cxx/Images/ImageImport</a></li><li style="margin: 0px; padding: 0px; border: 0px; word-wrap: break-word;" class="">And this example show how to deal with 3d image, but the API is out of date <a href="http://www.vtk.org/Wiki/VTK/Examples/Cxx/ImageData/IterateImageData" rel="nofollow" style="margin: 0px; padding: 0px; border: 0px; color: rgb(0, 89, 153); text-decoration: none; cursor: pointer;" class="">This example demonstrates how to set and access locations in a 3D image.</a></li></ul><p style="margin: 0px 0px 1em; padding: 0px; border: 0px; clear: both;" class="">This problem also post in <a href="http://stackoverflow.com/questions/39976669/vtk-how-to-import-3d-image-data-via-imageimport-on-c" class="">http://stackoverflow.com/questions/39976669/vtk-how-to-import-3d-image-data-via-imageimport-on-c</a>, but no responce right now.</p><p style="margin: 0px 0px 1em; padding: 0px; border: 0px; clear: both;" class="">Any help appreciate!</p></div></div></td></tr></tbody></table></div><div class=""><div style="color:#909090;font-family:Arial Narrow;font-size:12px" class="">------------------</div><div style="font-size: 14px; font-family: Verdana;" class=""><div class="">Honghe</div></div></div><div class=""> </div>_______________________________________________<br class="">yt-users mailing list<br class=""><a href="mailto:yt-users@lists.spacepope.org" class="">yt-users@lists.spacepope.org</a><br class="">http://lists.spacepope.org/listinfo.cgi/yt-users-spacepope.org<br class=""></div></blockquote></div><br class=""></div></body></html>