[yt-dev] Transfer Function Plots

[Geoffrey So]

I acutally spend some time trying to plot the transfer function then
sticking it to the side of the image, but gave up after I couldn't easily
customize aspects of it.

- What would be really cool is what you've done already, change the
background color, probably something really easy but I didn't figure out
how.
- Another thing is to be able to use log scale on the Y axis, because with
many added gaussian, you don't really see the ones on the small end.
- Also if we can shrink the size then we can use it like a sort of colorbar
(as Nathan pointed out) and glue it to the side or bottom of the volume
rendering.
- We can also annotate some of the volume rendering attributes on the side
along with the transfer function/colorbar
From
G.S.
On Fri, Jun 8, 2012 at 12:40 PM, Nathan Goldbaum <goldbaum at ucolick.org>wrote:

> I'd prefer it if the transfer function plot were split into two separate
> frames.  Right now, it's easy to think that the black background color
> image contains opacity information since the frame is plotted with a y
> axis.  I'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.
>
> In general, I like plotting the transfer function like a color bar (sort
> of like Stella Offner's image on the yt homepage [
> http://yt-project.org/img/offner_etal.png]).
>
> Nathan Goldbaum
> Graduate Student
> Astronomy & Astrophysics, UCSC
> goldbaum at ucolick.org
> http://www.ucolick.org/~goldbaum
>
> On Jun 8, 2012, at 12:34 PM, Sam Skillman wrote:
>
> Hi all,
>
> I've been experimenting with different ways to plot the transfer
> functions, and in particular in the context of the InteractiveCamera.
>
> What are people's thoughts about this behavior:
>
> http://i.imgur.com/CGZ7Z.png
> http://i.imgur.com/OCsVt.jpg
> http://i.imgur.com/VNEse.png
>
> 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.
>
> I'll let Nathan bring up his concerns rather than me try to convey them.
>
> Sam
>
>
>
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