[yt-users] plotting just contours in a slice

[Chris Malone]

Hey Matt,

Thanks for the general idea of getting this started.  I've added a simple
recipe to the cookbook showing how one can make a contour plot from a
dataset.

Chris


On Fri, May 24, 2013 at 10:54 AM, Matthew Turk <matthewturk at gmail.com>wrote:

> Hey Chris,
>
> I think your best bet might be to do the full process -- create a
> slice, annotate it with contours (maybe even filled contours, which
> could be an option), and then access the matplotlib axes object.  On
> the axes object there will be an attribute called images, or image,
> which will contain all the matplotlib.image.AxesImage objects.  I
> believe you can set the alpha on an AxesImage object to 0.0 using
> set_alpha, which should de-blend it, but you may also be able to call
> set_visible(False).
>
> But I like this idea, and maybe we should make it easier to do.
> Here's an example of getting at the axes objects:
>
>
> http://yt-project.org/docs/2.5/cookbook/simple_plots.html#accessing-and-modifying-plots-directly
>
> If this works for you, it'd probabyl be worth a quick recipe in the
> cookbook.
>
> -Matt
>
> On Fri, May 24, 2013 at 1:46 PM, Chris Malone <chris.m.malone at gmail.com>
> wrote:
> > Hi all,
> >
> > I would like to be able to take a slice through a 3D dataset and then
> plot
> > just the contours of a single variable within that slice.  I do not want
> to
> > overlay the contours with an annotate_countours method.
> >
> > I know one way about this would be to use the FixedResolutionBuffer of
> some
> > slice plot to reconstruct a mesh-grid and the data, which can then be
> used
> > within matplotlib directly to create a contour plot.
> >
> > I was curious if there was a more clever method using yt plot objects?
> >
> > Chris
> >
> > _______________________________________________
> > yt-users mailing list
> > yt-users at lists.spacepope.org
> > http://lists.spacepope.org/listinfo.cgi/yt-users-spacepope.org
> >
> _______________________________________________
> yt-users mailing list
> yt-users at lists.spacepope.org
> http://lists.spacepope.org/listinfo.cgi/yt-users-spacepope.org
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.spacepope.org/pipermail/yt-users-spacepope.org/attachments/20130525/d2a24302/attachment.html>