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On Tue, 03 Aug 1999 18:50:22 -0700, Ken wrote:
>
>
>Ron Parker wrote:
>>
>> Hey, Unka Ken (or anyone else).
>>
>> I find myself in need of software that can take a stereo pair and generate
>> a credible heightfield from it. It doesn't have to be perfect; I expect to
>> have to do some editing. I know such software exists, because it's used to
>> create DEMs, but I've never seen any available to the public. If anyone
>> knows of such software, particularly if it's free, please please let me
>> know. Thanks!
>
>Unka Ken gotta no clue. Neer heara such a thinga that. Whatcha wanna for anyway ?
You can't see thousands of uses for it just off the top of your head? I
actually found one example of such software, but of course it's an expensive
high-end GIS package. Its official use is to take two or more aerial
photographs and generate a DEM from them, which could then be used as a
heightfield in POV or for more sophisticated uses in watershed analysis or
other high-minded environmental pursuits. My goal is somewhat more
pedestrian: I have a friend who teaches earth science to seventh-graders.
One of their favorite projects is the one where they build clay mountains,
then submerge them to various depths and draw the contour lines. I was
looking for free or inexpensive software that could be used with a digital
camera to automate the process, so they can see how it's done in the digital
age. I figured that if such a thing existed, one or more of you 3d guys
would know where to find it. Unfortunately, I'm beginning to believe that
there is no such thing after all.
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