Correction for something I said earlier. I got my pcolor and pcolormesh
objects mixed up. Neither the QuadMesh nor the PolyCollection from the two
functions are image-based. So they do have a glimmer of hope of being
converted into 3d. The PolyCollection is the best candidate as I think
there is better support for that now in mplot3d. QuadMesh is a different
beast, but might be tamable.
Sorry for any confusion.
Cheers!
Ben Root
On Thu, Oct 2, 2014 at 2:03 AM, Nicolas P. Rougier <nicolas.roug...@inria.fr
> wrote:
>
> You might want to have a look at vispy.org, we implemented the wx backend
> and there are several examples available.
> (and the new glumpy home is http://glumpy.github.io)
>
> vispy examples at http://vispy.org/gallery.html
>
>
> Nicolas
>
>
> On 01 Oct 2014, at 20:27, Fabrice C. <kappamonag...@yahoo.co.jp> wrote:
>
> > Dear Ben,
> >
> > Thank you for the explanation. Too bad mplot3d cannot display textured
> polygons.
> > I did have a look at glumpy and it does part of what I am looking for.
> However, glumpy does not support being embedded in a wxpython application
> which is a requisite for me.
> >
> > I guess I just have to learn VTK...
> >
> > Thanks again,
> >
> > Fabrice
> >
> > Benjamin Root <ben.r...@ou.edu> wrote:
> >
> > I tried something like this awhile back to no avail. Because of the
> kludgy nature of mplot3d, we are lucky we even can display 2d artists like
> polygons (and, this is me speaking as the de facto maintainer of mplot3d!).
> Images are an entirely different beast, unfortunately.
> >
> > What *might* work is getting a pcolormesh object converted into 3d. Not
> pcolor (as that is an image-based object), but the QuadMesh object that
> gets returned by pcolormesh(). I haven't tried to convert that into a 3d
> equivalent, but it might be feasible.
> >
> > I would also check out glumpy: https://code.google.com/p/glumpy/. I
> could have sworn I have seen examples of glumpy treating images as
> "texture" data for surfaces.
> >
> > I hope this points you in a useful direction!
> > Ben Root
> >
> >
> > On Tue, Sep 30, 2014 at 5:54 PM, Fabrice C. <kappamonag...@yahoo.co.jp>
> wrote:
> > Dear list,
> >
> > I would like to display a 2D image in a mplot3d axe in order to combine
> > it with a surface3D or a bar3d plot for instance. The effect I am
> > looking for is similar to what can be seen in the bottom XY plane of
> > http://matplotlib.org/1.4.0/examples/mplot3d/contourf3d_demo2.html,
> > except that I would like to have a custom image instead of the filled
> > contours.
> >
> > I googled the subject and found only messages dating at best from 2010.
> > These messages mentioned that the imshow() method did not work on a
> > mplot3d. Indeed it does not.
> > The only alternatives offered by the googled answer to my problem were
> > to switch to VTK or Mayavi. For one thing, I never managed to install
> > VTK on my PC, and I already have other matplotlib figures in my wxpython
> > application so I would really like to stick to matplotlib.
> >
> > Does anyone have pointers as to how I could display a 2D image in
> > mplot3d? Do I need to create a new artist in order to replace the
> > non-functionning imshow?
> > I see that patch collections work fine in mplot3D. Would it be feasible
> > to load an image and have it displayed as a patch collection (1 patch
> > for each pixel)?
> >
> > Any advice would be highly appreciated,
> >
> > Fabrice
> >
> >
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