<div dir="ltr"><div><div><div><div><div>HI John, <br><br></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><br></div>My code looks like the following:<br><br><b>from <a href="http://astropy.io">astropy.io</a> import fits<br>import matplotlib.pyplot as plt<br>%matplotlib inline<br>import matplotlib.image as mpimg<br>import numpy as np<br><br>hdulist = fits.open('signal_wfilt_sn.fits')<br>scidata = hdulist[0].data<br></b></div><b>scidata<br><br>h = 1629<br>w = 1629<br>center = [815, 815]<br>radius = 400<br>def createCircularMask(h, w, center=center, radius=radius):<br><br> Y, X = np.ogrid[:h, :w]<br> dist_from_center = np.sqrt((X - center[0])**2 + (Y-center[1])**2)<br><br> mask = dist_from_center <= radius<br> return mask<br><br>img = scidata<br>h, w = img.shape[:2]<br>mask = createCircularMask(h, w)<br>masked_img = img.copy()<br>masked_img[~mask] = 0<br><br>imgplot = plt.imshow(masked_img)<br>hot = np.where(masked_img>4.5)<br>imgplot<br>c=plt.colorbar()<br>c.set_label('s/n')</b><br><br><b>plt.scatter(hot[0], hot[1],alpha=0.05, facecolor = "none", edgecolor='yellow')<br>plt.show()<br><br></b></div><b>Best<br></b></div><b>Tazkera <br></b></div><div class="gmail_extra"><br><div class="gmail_quote">On Sun, Sep 10, 2017 at 8:46 PM, tazkera haque <span dir="ltr"><<a href="mailto:h.tazkera@gmail.com" target="_blank">h.tazkera@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><div><div>Hi John, <br><br></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><br><b>hot = dd["image_0"].in_units('<wbr>dimensionless') > 4.5<br>print('Temperature of all data: dd["image_0"] = \n%s' % dd["image_0"])<br>print("Boolean Mask: hot = \n%s" % hot)<br>print('Temperature of "hot" data: dd["image_0"][hot] = \n%s' %<br> dd['image_0'][hot])<br>q = dd['image_0'][hot]<br>print q<br></b><br></div>Thanks a lot<span class="HOEnZb"><font color="#888888"><br><br></font></span></div><span class="HOEnZb"><font color="#888888">Tazkera</font></span><div><div class="h5"><br><div><div><div><div class="gmail_extra"><br><div class="gmail_quote">On Sun, Sep 10, 2017 at 12:22 PM, John ZuHone <span dir="ltr"><<a href="mailto:jzuhone@gmail.com" target="_blank">jzuhone@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div>Hi Tazkera,<div><br></div><div>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><br></div><div><a href="http://yt-project.org/doc/visualizing/plots.html" target="_blank">http://yt-project.org/doc/visu<wbr>alizing/plots.html</a></div><div><br></div><div>Specifically, since you have a 2D fits file, it’d probably be simplest to use plot_2d:</div><div><br></div><div><a href="http://yt-project.org/doc/visualizing/plots.html#plots-of-2d-datasets" target="_blank">http://yt-project.org/doc/visu<wbr>alizing/plots.html#plots-of-<wbr>2d-datasets</a></div><div><br></div><div>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><br></div><div>p = yt.plot_2d(ds, “image_0”, <wbr>data_source=sp)<br>p.save()</div><div><br></div><div>That should give you a head start.</div><div><br></div><div>Best,</div><div><br></div><div>John</div><div><br><div><blockquote type="cite"><div><div class="m_-4098639116214886928gmail-h5"><div>On Sep 9, 2017, at 8:02 PM, tazkera haque <<a href="mailto:h.tazkera@gmail.com" target="_blank">h.tazkera@gmail.com</a>> wrote:</div><br class="m_-4098639116214886928gmail-m_-1377923414360318710Apple-interchange-newline"></div></div><div><div><div class="m_-4098639116214886928gmail-h5"><div dir="ltr"><span style="font-size:12.8px">Hi People, </span><div style="font-size:12.8px"><br></div><div style="font-size:12.8px">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"><br></div><div style="font-size:12.8px"><b>import yt</b></div><div style="font-size:12.8px"><b>ds = yt.load("signal_wfilt_sn.fits"<wbr>)</b></div><div style="font-size:12.8px"><b>ds.print_stats()</b></div><div style="font-size:12.8px"><b>ds.field_list<br></b></div><div style="font-size:12.8px"><b>ds.domain_width<br></b></div><div style="font-size:12.8px"><b>ds.derived_field_list<br></b></div><div style="font-size:12.8px"><div><b>dd = ds.all_data()</b></div><div><b>dd</b></div></div><div style="font-size:12.8px"><b>sp = ds.sphere(ds.domain_center, (400, 'code_length')) # create sphere of 20 arcminutes with 3x3 pixel size<br></b></div><div style="font-size:12.8px"><b>sp[("fits", "image_0")] # check array of data within the sphere<br></b></div><div style="font-size:12.8px"><b>#plot 1D histogram of data over pixel</b></div><div style="font-size:12.8px"><div><b>pplot = yt.ProfilePlot(sp, "image_0", ["pixel"], weight_field=None, n_bins=1024, </b></div><div><b>plot_spec=dict(color='red', linestyle="--"), y_log={'pixel':False})</b></div><div><b>pplot.show()</b></div></div><div style="font-size:12.8px"><b># convert data to numpy array</b></div><div style="font-size:12.8px"><div><b>import numpy as np</b></div><div><b>image = np.array(sp['image_0'])</b></div><div><b><br></b></div><div><b># create image?</b></div><div><div><b>imgplot = plt.imshow(image)</b></div><div><b><br></b></div><div><b>imgplot</b></div><div><b>plt.show()</b></div></div><div><b>image</b></div></div><div style="font-size:12.8px"><b><br></b></div><div style="font-size:12.8px"><b>The code is failing at this point with error:</b></div><div style="font-size:12.8px"><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-width:0px;border-style:none;border-color:currentcolor;border-radius:0px;vertical-align:baseline"><span class="m_-4098639116214886928gmail-m_-1377923414360318710gmail-m_-6606505840672110140gmail-ansired" style="box-sizing:border-box;color:darkred">------------------------------<wbr>------------------------------<wbr>---------------</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>></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>on2.7/site-packages/matplotlib<wbr>/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>on2.7/site-packages/matplotlib<wbr>/__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>on2.7/site-packages/matplotlib<wbr>/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>on2.7/site-packages/matplotlib<wbr>/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"><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></span></span></span></span></span></span></span></div><div style="font-size:12.8px"><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>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"><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><br></font></span></span></span></span></span></span></span></span></span></span></span></span></div><div><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><span style="font-size:12.8px"><a href="https://www.dropbox.com/s/bftuihqcoun8tny/signal_wfilt_sn.fits?dl=0" target="_blank">https://www.dropbox.com/s/bftu<wbr>ihqcoun8tny/signal_wfilt_sn.<wbr>fits?dl=0</a></span><br></font></span></span></span></span></span></span></span></span></span></span></span></span></div><div style="font-size:12.8px"><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>Thanks a lot</font></span></span></span></span></span></span></span></span></span></span></span></span></div><div style="font-size:12.8px"><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>Tazkera haque</font></span></span></span></span></span></span></span></span></span></span></span></span></div></div></div></div>
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</blockquote></div><br></div>