Topographical maps?
25-Feb-94 23:47:28
Sb: #86636-Topographical maps?
Fm: Christopher Martin 73561,615
To: Tim c Branan 76360,540
I missed the beginning of the thread too, but have spent alot of time
with DTMs and 3DS. Are you wanting to get topo in? I would say
don't but a DEM. You will spend as much time fixing it as you would
digitizing it. We just digitized 150 square miles in four days and
the grid itself came out exactly as we wanted it. Has we purchased
the DEMs, we would have probably spent at least that much time fixing
stuff. In particular, features such as steams NEVER line up.
We then use Schriber's QuickSurf to manipulate the topo data into our
grid. That program has many other very nice features for 3D
topographic rendering.
If this is the kind of stuff you guys were discussing, let me know. I
can probably provide some other suggestions. If I'm way
off,….never mind <g>.