[GRASS-user] Stereoscopic images

[Glynn Clements]

Markus Neteler wrote:

> > I am involved in a project using aerial photographs, earlier we have
> > been using dias and an 'old fashioned' stereoscope for interpretations.
> > Now we are to get the pictures as files. What kind of hard- and software
> > do we need to view stereoscopic images on screen? Is this possible
> > within grass / ossim or otherwhere in the free software family? Do we
> > need to get some special hardware, or is is possible to calculate the
> > heightinformation from a couple of georeferenced images and then use eg
> > nviz? Does anyone here have any experience on that kind of work?
> 
> As far as I know, there is some stereo support in openGL

I don't think that helps here. AFAICT, Morten is interested in
converting a stereo pair of 2D images to 3D, while OpenGL's stereo
support amounts to support for rendering to a stereo pair (you still
have to render each view separately).

-- 
Glynn Clements <glynn at gclements.plus.com>