I like this behavior.  It seems to me like this can/should also work with the camera independently, rihgt?<div><br></div><div>Also, very nice job.  Are you using pylab, or do you think this could be done with just our existing freetype-wrapping functionality?  I&#39;d prefer the latter ... :)<br>

<br><div class="gmail_quote">On Fri, Jun 8, 2012 at 5:06 PM, Sam Skillman <span dir="ltr">&lt;<a href="mailto:samskillman@gmail.com" target="_blank">samskillman@gmail.com</a>&gt;</span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">

Okay, I&#39;ve prototyped something that works like this:<div><br></div><div>interactive_camera.snapshot()</div><div>...pops up interactive matplotlib window...</div><div>interactive_camera.save(&#39;test.png&#39;)</div>
<div>


...grabs all needed information and makes this...</div><div><br></div><div><img src="cid:ii_137cde9d73636d37" alt="Inline image 1"><br></div><div><br></div><div>+/- 1?  It just needs some cleanup, like reducing the extent of the colorbar so you don&#39;t get the black strip at the top and bottom of the image.</div>

<span class="HOEnZb"><font color="#888888">

<div><br></div><div>Sam</div></font></span><div class="HOEnZb"><div class="h5"><div><br><div class="gmail_quote">On Fri, Jun 8, 2012 at 2:12 PM, Richard P Wagner <span dir="ltr">&lt;<a href="mailto:rpwagner@sdsc.edu" target="_blank">rpwagner@sdsc.edu</a>&gt;</span> wrote:<br>



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<div>On Jun 8, 2012, at 12:40 PM, Nathan Goldbaum wrote:</div>
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<div>I&#39;d prefer it if the transfer function plot were split into two separate frames.  Right now, it&#39;s easy to think that the black background color image contains opacity information since the frame is plotted with a y axis.  I&#39;d prefer it if only the white
 line was plotted with a y axis and the black background image was plotted in a separate frame like a color bar with no y axis.  This would also let the user see the tick marks for the opacity plot much more easily.</div>




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<div>In general, I like plotting the transfer function like a color bar (sort of like Stella Offner&#39;s image on the yt homepage [<a href="http://yt-project.org/img/offner_etal.png" target="_blank">http://yt-project.org/img/offner_etal.png</a>]).</div>




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</div><div>That&#39;s what came to mind when I was reading this. For a while, we&#39;ve been putting a combination color bar-transfer function graphic in our renderings with ANL (skip about 30 seconds into <a href="http://www.youtube.com/watch?v=5dOt0IaRY4U" target="_blank">http://www.youtube.com/watch?v=5dOt0IaRY4U</a>).
 I think it&#39;s very natural to overlay a transfer function plot onto a color bar, and it provides a lot of information in a simple fashion.</div>
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<div>--Rick </div><div>
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Nathan Goldbaum<br>
Graduate Student<br>
Astronomy &amp; Astrophysics, UCSC<br>
<a href="mailto:goldbaum@ucolick.org" target="_blank">goldbaum@ucolick.org</a><br>
<a href="http://www.ucolick.org/~goldbaum" target="_blank">http://www.ucolick.org/~goldbaum</a></div>
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<div>On Jun 8, 2012, at 12:34 PM, Sam Skillman wrote:</div>
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<div>Hi all,</div>
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<div>I&#39;ve been experimenting with different ways to plot the transfer functions, and in particular in the context of the InteractiveCamera.  </div>
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<div>What are people&#39;s thoughts about this behavior:</div>
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<div><a href="http://i.imgur.com/CGZ7Z.png" target="_blank">http://i.imgur.com/CGZ7Z.png</a></div>
<div><a href="http://i.imgur.com/OCsVt.jpg" target="_blank">http://i.imgur.com/OCsVt.jpg</a></div>
<a href="http://i.imgur.com/VNEse.png" target="_blank">http://i.imgur.com/VNEse.png</a>
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<div>btw, you can get this behavior by changing your script to call pf.h.interactive_camera, and then running in ipython with a working matplotlib backend.</div>
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<div>I&#39;ll let Nathan bring up his concerns rather than me try to convey them.</div>
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<div>Sam</div>
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