[yt-users] colorbar rasterization

[Sam Skillman]

Hi Christine,

This doesn't fix the underlying issue, but I usually just dump the pngs out
with a high dpi and use a conversion from png to eps.  If you have Gimp,
you may want to give this a shot:
http://code.google.com/p/agpy/source/browse/trunk/contributed/pngtoeps?r=247

Others might have better ideas, but my guess is a lot of them will deal
with modifying your matplotlib backend, which I've never had great luck
with for vector formats.

Best,
Sam

On Wed, Jun 27, 2012 at 3:10 PM, Christine Simpson <
csimpson at astro.columbia.edu> wrote:

> Hi everyone,
>
> I have a question that may be more of a matplotlib question than a yt
> question, but it's an issue with some yt generated figures I have, so I
> thought I'd ask it here.  I think there was some discussion of this on
> the list a while ago but I can't find the thread.
>
> When I output images that include colorbars in vector formats (like pdf
> and eps), I get these little lines running across the color bar.  It
> goes away if I output the image in a rasterized format (like png).  I
> wanted to output my images in vector format (as pdfs) so everything
> looks nice and sharp.  I've figured out how to just rasterize the color
> bar.  However, I don't want to rasterize the color bar labels, and the
> way I've implemented it, the labels get rasterized too.  It seems in
> figure objects (and maybe axes objects?) there is a way to specify the
> order that items get drawn and/or rasterized (through the zorder and
> rasterized_zorder keywords); I've played around with this but haven't
> been able to get it to work.  The color bar is a Colorbar object and it
> doesn't seem like this class allows for adjusting the rasterization
> order of things.
>
> I've pasted an example script here:
> http://paste.yt-project.org/show/2504/
> I'm probably going to give up on this soon, but any advice people have
> would be greatly appreciated.
>
> Christine
>
>
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