On Jul 3, 2007, at 2:29 AM, Yann wrote:
Hello,
In a given chain processing module (DN->high-level product) in
development,
there is a need of calculating slope and aspect, i would like to
use the
existing code as a library or something to the similar effect.
Anyone could explain if it is possible and how it could be possible?
it would be useful to have such library functions but you would have
write them
based on r.slope.aspect. You can also look at
aspect.c in raster/r.flow
it should be easy to add slope to it or modify it as a separate
function for slope.
It should use the same algorithm as r.slope.aspect but double check
that.
If you need to handle lat/long, look at r.slope.aspect how to do it.
Helena
thank you
Yann
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