[visionegg] Re: mirroring a text strimulus?

  • From: "Gary Lupyan" <glupyan@xxxxxxxxx>
  • To: visionegg@xxxxxxxxxxxxx
  • Date: Tue, 18 Nov 2008 17:13:09 -0500

Thanks!

On Tue, Nov 18, 2008 at 4:54 PM, Andrew Straw <astraw@xxxxxxxxxxx> wrote:

> Hi Gary,
>
> I just added such functionality including a demo script. The new demo
> can be seen at
>
> http://visionegg.org/trac/browser/trunk/visionegg/demo/texture_as_numpy_array.py
>
>
> This will require the latest VE from svn, however. If that's a pain, you
> should just be able to take the latest VisionEgg/Textures.py from the
> source repository and overwrite the version in your installation. Test
> it with the new demo script.
>
> -Andrew
>
> Gary Lupyan wrote:
> > Thanks!  Do you know offhand what the command is for converting Texture
> > to a numpy buffer and back?
> >
> > -Gary
> >
> >
> > On Tue, Nov 18, 2008 at 3:17 PM, Dav Clark <davclark@xxxxxxxxxxxx
> > <mailto:davclark@xxxxxxxxxxxx>> wrote:
> >
> >     It would be trivial to take your texture as a numpy buffer or
> >     similar and flip it (in numpy) and create a second stimulus with
> >     that.  There would be an OpenGL way to do it also, but I don't know
> >     off the top of my head...
> >
> >     reversing in numpy:
> >
> >     swapd = a[:,::-1]
> >
> >     Cheers,
> >     Dav
> >
> >
> >     On Nov 18, 2008, at 11:26 AM, Gary Lupyan wrote:
> >
> >         Hey everyone, is there a way to flip (i.e., mirror) a texture
> >         stimulus about the x or y axis?
> >
> >         Thanks.
> >
> >
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> >
> >
>
>
> --
> Dr. Andrew D. Straw
> California Institute of Technology
> http://www.its.caltech.edu/~astraw/<http://www.its.caltech.edu/%7Eastraw/>
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