<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 Tazkera,<div class=""><br class=""></div><div class="">Sorry for the delayed reply. You can annotate circles on slice plots like this:</div><div class=""><br class=""></div><div class=""><a href="http://yt-project.org/doc/visualizing/callbacks.html#overplot-a-circle-on-a-plot" class="">http://yt-project.org/doc/visualizing/callbacks.html#overplot-a-circle-on-a-plot</a></div><div class=""><br class=""></div><div class="">Best,</div><div class=""><br class=""></div><div class="">John</div><div class=""><br class=""><div><blockquote type="cite" class=""><div class="">On Sep 11, 2017, at 6:03 PM, tazkera haque <<a href="mailto:h.tazkera@gmail.com" class="">h.tazkera@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><div class=""><div class=""><div class=""><div class=""><div class="">HI John,<span class="Apple-converted-space"> </span><br class=""><br class=""></div>Just a little update from my part. I could do the same thing with creating a sphere of 400 arcmin and separating out the desired value and and drawing a circle around it with some numpy and matplotlib functions. I am basically interested to see what function in yt can do these same things for me. I have also attached the resulted plot.<br class=""><br class=""></div>My code looks like the following:<br class=""><br class=""><b class="">from<span class="Apple-converted-space"> </span><a href="http://astropy.io/" class="">astropy.io</a><span class="Apple-converted-space"> </span>import fits<br class="">import matplotlib.pyplot as plt<br class="">%matplotlib inline<br class="">import matplotlib.image as mpimg<br class="">import numpy as np<br class=""><br class="">hdulist = fits.open('signal_wfilt_sn.fits')<br class="">scidata = hdulist[0].data<br class=""></b></div><b class="">scidata<br class=""><br class="">h = 1629<br class="">w = 1629<br class="">center = [815, 815]<br class="">radius = 400<br class="">def createCircularMask(h, w, center=center, radius=radius):<br class=""><br class=""> Y, X = np.ogrid[:h, :w]<br class=""> dist_from_center = np.sqrt((X - center[0])**2 + (Y-center[1])**2)<br class=""><br class=""> mask = dist_from_center <= radius<br class=""> return mask<br class=""><br class="">img = scidata<br class="">h, w = img.shape[:2]<br class="">mask = createCircularMask(h, w)<br class="">masked_img = img.copy()<br class="">masked_img[~mask] = 0<br class=""><br class="">imgplot = plt.imshow(masked_img)<br class="">hot = np.where(masked_img>4.5)<br class="">imgplot<br class="">c=plt.colorbar()<br class="">c.set_label('s/n')</b><br class=""><br class=""><b class="">plt.scatter(hot[0], hot[1],alpha=0.05, facecolor = "none", edgecolor='yellow')<br class="">plt.show()<br class=""><br class=""></b></div><b class="">Best<br class=""></b></div><b class="">Tazkera<span class="Apple-converted-space"> </span><br class=""></b></div><div class="gmail_extra" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><br class=""><div class="gmail_quote">On Sun, Sep 10, 2017 at 8:46 PM, tazkera haque<span class="Apple-converted-space"> </span><span dir="ltr" class=""><<a href="mailto:h.tazkera@gmail.com" target="_blank" class="">h.tazkera@gmail.com</a>></span><span class="Apple-converted-space"> </span>wrote:<br class=""><blockquote class="gmail_quote" style="margin: 0px 0px 0px 0.8ex; border-left-width: 1px; border-left-style: solid; border-left-color: rgb(204, 204, 204); padding-left: 1ex;"><div dir="ltr" class=""><div class=""><div class=""><div class="">Hi John,<span class="Apple-converted-space"> </span><br class=""><br class=""></div>Thanks so much for all the help. I just need one more clarification from you. I needed to identify values greater than 4.5 and draw a circle around them. I used the masking function in yt to figure out the array which contains those certain values. But Can you please show me how do I draw circles around them in the same 2d plot?<br class=""><br class=""><b class="">hot = dd["image_0"].in_units('<wbr class="">dimensionless') > 4.5<br class="">print('Temperature of all data: dd["image_0"] = \n%s' % dd["image_0"])<br class="">print("Boolean Mask: hot = \n%s" % hot)<br class="">print('Temperature of "hot" data: dd["image_0"][hot] = \n%s' %<br class=""> <span class="Apple-converted-space"> </span>dd['image_0'][hot])<br class="">q = dd['image_0'][hot]<br class="">print q<br class=""></b><br class=""></div>Thanks a lot<span class="HOEnZb"><font color="#888888" class=""><br class=""><br class=""></font></span></div><span class="HOEnZb"><font color="#888888" class="">Tazkera</font></span><div class=""><div class="h5"><br class=""><div class=""><div class=""><div class=""><div class="gmail_extra"><br class=""><div class="gmail_quote">On Sun, Sep 10, 2017 at 12:22 PM, John ZuHone<span class="Apple-converted-space"> </span><span dir="ltr" class=""><<a href="mailto:jzuhone@gmail.com" target="_blank" class="">jzuhone@gmail.com</a>></span><span class="Apple-converted-space"> </span>wrote:<br class=""><blockquote class="gmail_quote" style="margin: 0px 0px 0px 0.8ex; border-left-width: 1px; border-left-style: solid; border-left-color: rgb(204, 204, 204); padding-left: 1ex;"><div class="">Hi Tazkera,<div class=""><br class=""></div><div class="">The issue here is that sp[“image_0”] is a 1-D array of the points in the sphere. If you want to make plots using yt, I would suggest checking out the plotting documentation:</div><div class=""><br class=""></div><div class=""><a href="http://yt-project.org/doc/visualizing/plots.html" target="_blank" class="">http://yt-project.org/doc/visu<wbr class="">alizing/plots.html</a></div><div class=""><br class=""></div><div class="">Specifically, since you have a 2D fits file, it’d probably be simplest to use plot_2d:</div><div class=""><br class=""></div><div class=""><a href="http://yt-project.org/doc/visualizing/plots.html#plots-of-2d-datasets" target="_blank" class="">http://yt-project.org/doc/visu<wbr class="">alizing/plots.html#plots-of-<wbr class="">2d-datasets</a></div><div class=""><br class=""></div><div class="">If you want to cut out the data that isn’t in your sphere object, you can try passing the sphere object in as the data_source argument to plot_2d:</div><div class=""><br class=""></div><div class="">p = yt.plot_2d(ds, “image_0”, <wbr class="">data_source=sp)<br class="">p.save()</div><div class=""><br class=""></div><div class="">That should give you a head start.</div><div class=""><br class=""></div><div class="">Best,</div><div class=""><br class=""></div><div class="">John</div><div class=""><br class=""><div class=""><blockquote type="cite" class=""><div class=""><div class="m_-4098639116214886928gmail-h5"><div class="">On Sep 9, 2017, at 8:02 PM, tazkera haque <<a href="mailto:h.tazkera@gmail.com" target="_blank" class="">h.tazkera@gmail.com</a>> wrote:</div><br class="m_-4098639116214886928gmail-m_-1377923414360318710Apple-interchange-newline"></div></div><div class=""><div class=""><div class="m_-4098639116214886928gmail-h5"><div dir="ltr" class=""><span style="font-size: 12.8px;" class="">Hi People, </span><div style="font-size: 12.8px;" class=""><br class=""></div><div style="font-size: 12.8px;" class="">I am trying to play around with FITS file format. I want to create an image from this file which will include data from center to 20 arc minutes. each pixel is 3x3 arc sec.</div><div style="font-size: 12.8px;" class=""><br class=""></div><div style="font-size: 12.8px;" class=""><b class="">import yt</b></div><div style="font-size: 12.8px;" class=""><b class="">ds = yt.load("signal_wfilt_sn.fits"<wbr class="">)</b></div><div style="font-size: 12.8px;" class=""><b class="">ds.print_stats()</b></div><div style="font-size: 12.8px;" class=""><b class="">ds.field_list<br class=""></b></div><div style="font-size: 12.8px;" class=""><b class="">ds.domain_width<br class=""></b></div><div style="font-size: 12.8px;" class=""><b class="">ds.derived_field_list<br class=""></b></div><div style="font-size: 12.8px;" class=""><div class=""><b class="">dd = ds.all_data()</b></div><div class=""><b class="">dd</b></div></div><div style="font-size: 12.8px;" class=""><b class="">sp = ds.sphere(ds.domain_center, (400, 'code_length')) # create sphere of 20 arcminutes with 3x3 pixel size<br class=""></b></div><div style="font-size: 12.8px;" class=""><b class="">sp[("fits", "image_0")] # check array of data within the sphere<br class=""></b></div><div style="font-size: 12.8px;" class=""><b class="">#plot 1D histogram of data over pixel</b></div><div style="font-size: 12.8px;" class=""><div class=""><b class="">pplot = yt.ProfilePlot(sp, "image_0", ["pixel"], weight_field=None, n_bins=1024, </b></div><div class=""><b class="">plot_spec=dict(color='red', linestyle="--"), y_log={'pixel':False})</b></div><div class=""><b class="">pplot.show()</b></div></div><div style="font-size: 12.8px;" class=""><b class=""># convert data to numpy array</b></div><div style="font-size: 12.8px;" class=""><div class=""><b class="">import numpy as np</b></div><div class=""><b class="">image = np.array(sp['image_0'])</b></div><div class=""><b class=""><br class=""></b></div><div class=""><b class=""># create image?</b></div><div class=""><div class=""><b class="">imgplot = plt.imshow(image)</b></div><div class=""><b class=""><br class=""></b></div><div class=""><b class="">imgplot</b></div><div class=""><b class="">plt.show()</b></div></div><div class=""><b class="">image</b></div></div><div style="font-size: 12.8px;" class=""><b class=""><br class=""></b></div><div style="font-size: 12.8px;" class=""><b class="">The code is failing at this point with error:</b></div><div style="font-size: 12.8px;" class=""><pre style="white-space: pre-wrap; box-sizing: border-box; overflow: auto; font-size: 14px; padding: 0px; margin-top: 0px; margin-bottom: 0px; line-height: inherit; word-break: break-all; border: 0px none currentcolor; border-top-left-radius: 0px; border-top-right-radius: 0px; border-bottom-right-radius: 0px; border-bottom-left-radius: 0px; vertical-align: baseline;" class=""><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansired" style="box-sizing: border-box; color: darkred;">------------------------------<wbr class="">------------------------------<wbr class="">---------------</span>
<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansired" style="box-sizing: border-box; color: darkred;">TypeError</span> Traceback (most recent call last)
<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box; color: darkgreen;"><ipython-input-21-6a83e68fbbf2<wbr class="">></span> in <span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansicyan" style="box-sizing: border-box; color: steelblue;"><module><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiblue" style="box-sizing: border-box; color: darkblue;">()</span>
<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box; color: darkgreen;">----> 1<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box; color: rgb(196, 160, 0);"> </span>imgplot <span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box; color: rgb(196, 160, 0);">=</span> plt<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box; color: rgb(196, 160, 0);">.</span>imshow<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box; color: rgb(196, 160, 0);">(</span>image<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box; color: rgb(196, 160, 0);">)</span><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box; color: rgb(196, 160, 0);"></span>
<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box;"> 2</span> <span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box; color: rgb(196, 160, 0);"></span>
<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box;"> 3</span> imgplot<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box; color: rgb(196, 160, 0);"></span>
<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box;"> 4</span> plt<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box; color: rgb(196, 160, 0);">.</span>show<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box; color: rgb(196, 160, 0);">(</span><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box; color: rgb(196, 160, 0);">)</span><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box; color: rgb(196, 160, 0);"></span>
<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box;">/home/trina/anaconda2/lib/pyth<wbr class="">on2.7/site-packages/matplotlib<wbr class="">/pyplot.pyc</span> in <span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansicyan" style="box-sizing: border-box; color: steelblue;">imshow<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiblue" style="box-sizing: border-box; color: darkblue;">(X, cmap, norm, aspect, interpolation, alpha, vmin, vmax, origin, extent, shape, filternorm, filterrad, imlim, resample, url, hold, data, **kwargs)</span>
<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box; color: darkgreen;"> 3155</span> filternorm<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box; color: rgb(196, 160, 0);">=</span>filternorm<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box; color: rgb(196, 160, 0);">,</span> filterrad<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box; color: rgb(196, 160, 0);">=</span>filterrad<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box; color: rgb(196, 160, 0);">,</span><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box; color: rgb(196, 160, 0);"></span>
<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box; color: darkgreen;"> 3156</span> imlim<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box; color: rgb(196, 160, 0);">=</span>imlim<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box; color: rgb(196, 160, 0);">,</span> resample<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box; color: rgb(196, 160, 0);">=</span>resample<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box; color: rgb(196, 160, 0);">,</span> url<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box; color: rgb(196, 160, 0);">=</span>url<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box; color: rgb(196, 160, 0);">,</span> data<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box; color: rgb(196, 160, 0);">=</span>data<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box; color: rgb(196, 160, 0);">,</span><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box; color: rgb(196, 160, 0);"></span>
<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box; color: darkgreen;">-> 3157<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box; color: rgb(196, 160, 0);"> **kwargs)
</span><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box;"> 3158</span> <span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box;">finally</span><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box; color: rgb(196, 160, 0);">:</span><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box; color: rgb(196, 160, 0);"></span>
<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box;"> 3159</span> ax<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box; color: rgb(196, 160, 0);">.</span>_hold <span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box; color: rgb(196, 160, 0);">=</span> washold<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box; color: rgb(196, 160, 0);"></span>
<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box;">/home/trina/anaconda2/lib/pyth<wbr class="">on2.7/site-packages/matplotlib<wbr class="">/__init__.pyc</span> in <span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansicyan" style="box-sizing: border-box; color: steelblue;">inner<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiblue" style="box-sizing: border-box; color: darkblue;">(ax, *args, **kwargs)</span>
<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box; color: darkgreen;"> 1896</span> warnings.warn(msg % (label_namer, func.__name__),
<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box; color: darkgreen;"> 1897</span> RuntimeWarning, stacklevel=2)
<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box; color: darkgreen;">-> 1898<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box; color: rgb(196, 160, 0);"> <span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box; color: darkgreen;">return</span> func<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box;">(</span>ax<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box;">,</span> <span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box;">*</span>args<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box;">,</span> <span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box;">**</span>kwargs<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box;">)</span><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box;"></span>
<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box; color: darkgreen;"> 1899</span> pre_doc <span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box;">=</span> inner<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box;">.</span>__doc__<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box;"></span>
<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box; color: darkgreen;"> 1900</span> <span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box; color: darkgreen;">if</span> pre_doc <span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box; color: darkgreen;">is</span> None<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box;">:</span><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box;"></span>
<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box; color: darkgreen;">/home/trina/anaconda2/lib/pyth<wbr class="">on2.7/site-packages/matplotlib<wbr class="">/axes/_axes.pyc</span> in <span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansicyan" style="box-sizing: border-box; color: steelblue;">imshow<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiblue" style="box-sizing: border-box; color: darkblue;">(self, X, cmap, norm, aspect, interpolation, alpha, vmin, vmax, origin, extent, shape, filternorm, filterrad, imlim, resample, url, **kwargs)</span>
<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box; color: darkgreen;"> 5122</span> resample=resample, **kwargs)
<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box; color: darkgreen;"> 5123</span> <span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box; color: rgb(196, 160, 0);"></span>
<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box; color: darkgreen;">-> 5124<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box; color: rgb(196, 160, 0);"> </span>im<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box; color: rgb(196, 160, 0);">.</span>set_data<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box; color: rgb(196, 160, 0);">(</span>X<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box; color: rgb(196, 160, 0);">)</span><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box; color: rgb(196, 160, 0);"></span>
<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box;"> 5125</span> im<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box; color: rgb(196, 160, 0);">.</span>set_alpha<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box; color: rgb(196, 160, 0);">(</span>alpha<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box; color: rgb(196, 160, 0);">)</span><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box; color: rgb(196, 160, 0);"></span>
<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box;"> 5126</span> <span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box;">if</span> im<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box; color: rgb(196, 160, 0);">.</span>get_clip_path<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box; color: rgb(196, 160, 0);">(</span><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box; color: rgb(196, 160, 0);">)</span> <span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box;">is</span> None<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box; color: rgb(196, 160, 0);">:</span><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box; color: rgb(196, 160, 0);"></span>
<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box;">/home/trina/anaconda2/lib/pyth<wbr class="">on2.7/site-packages/matplotlib<wbr class="">/image.pyc</span> in <span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansicyan" style="box-sizing: border-box; color: steelblue;">set_data<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiblue" style="box-sizing: border-box; color: darkblue;">(self, A)</span>
<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box; color: darkgreen;"> 598</span> if (self._A.ndim not in (2, 3) or
<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box; color: darkgreen;"> 599</span> (self._A.ndim == 3 and self._A.shape[-1] not in (3, 4))):
<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box; color: darkgreen;">--> 600<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box; color: rgb(196, 160, 0);"> <span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box; color: darkgreen;">raise</span> TypeError<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box;">(</span><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiblue" style="box-sizing: border-box; color: darkblue;">"Invalid dimensions for image data"</span><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box;">)</span><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box;"></span>
<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box; color: darkgreen;"> 601</span> <span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box;"></span>
<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box; color: darkgreen;"> 602</span> self<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box;">.</span>_imcache <span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box;">=</span> None<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box;"></span>
<span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansired" style="box-sizing: border-box; color: darkred;">TypeError</span>: Invalid dimensions for image data
</span></span></span></span></span></span></span></span></span></span></span></span></pre></div><div style="font-size: 12.8px;" class=""><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansicyan" style="box-sizing: border-box; color: steelblue;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box; color: darkgreen;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansicyan" style="box-sizing: border-box; color: steelblue;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box; color: darkgreen;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansicyan" style="box-sizing: border-box; color: steelblue;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box; color: darkgreen;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box; color: rgb(196, 160, 0);"><br class=""></span></span></span></span></span></span></span></div><div style="font-size: 12.8px;" class=""><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansicyan" style="box-sizing: border-box;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansicyan" style="box-sizing: border-box;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansicyan" style="box-sizing: border-box;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansicyan" style="box-sizing: border-box;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansicyan" style="box-sizing: border-box;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box;"><font class="">I am completely new to image processing, so I am interested to know how you create image for this type of data in yt. Your help is very appreciated. I also provided a link to the dataset:</font></span></span></span></span></span></span></span></span></span></span></span></span></div><div style="font-size: 12.8px;" class=""><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansicyan" style="box-sizing: border-box;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansicyan" style="box-sizing: border-box;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansicyan" style="box-sizing: border-box;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansicyan" style="box-sizing: border-box;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansicyan" style="box-sizing: border-box;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box;"><font class=""><br class=""></font></span></span></span></span></span></span></span></span></span></span></span></span></div><div class=""><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansicyan" style="box-sizing: border-box;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansicyan" style="box-sizing: border-box;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansicyan" style="box-sizing: border-box;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansicyan" style="box-sizing: border-box;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansicyan" style="box-sizing: border-box;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box;"><font class=""><span style="font-size: 12.8px;" class=""><a href="https://www.dropbox.com/s/bftuihqcoun8tny/signal_wfilt_sn.fits?dl=0" target="_blank" class="">https://www.dropbox.com/s/bftu<wbr class="">ihqcoun8tny/signal_wfilt_sn.<wbr class="">fits?dl=0</a></span><br class=""></font></span></span></span></span></span></span></span></span></span></span></span></span></div><div style="font-size: 12.8px;" class=""><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansicyan" style="box-sizing: border-box;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansicyan" style="box-sizing: border-box;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansicyan" style="box-sizing: border-box;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansicyan" style="box-sizing: border-box;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansicyan" style="box-sizing: border-box;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box;"><font class="">Thanks a lot</font></span></span></span></span></span></span></span></span></span></span></span></span></div><div style="font-size: 12.8px;" class=""><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansicyan" style="box-sizing: border-box;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansicyan" style="box-sizing: border-box;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansicyan" style="box-sizing: border-box;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansicyan" style="box-sizing: border-box;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansicyan" style="box-sizing: border-box;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansigreen" style="box-sizing: border-box;"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansiyellow" style="box-sizing: border-box;"><font class="">Tazkera haque</font></span></span></span></span></span></span></span></span></span></span></span></span></div></div></div></div>______________________________<wbr class="">_________________<br class="">yt-users mailing list<br class=""><a href="mailto:yt-users@lists.spacepope.org" 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