Hi all,
I have a grid in MapInfo consisting of a large number (>300,000) of polygons
with multiple attributes attached. One of those attributes is altitude.
I want to calculate slope and aspect for each polygon - preferably in
MapInfo.
I know VM does this but I can't get the grid into VM without VM
interpolating it in some way and changing the data.
So does anyone have any wise words/ MB code / tool / algorithms to do this
please? I imagine it is a relatively common task.
TIA,
Jim
Jim Wilson
Hilton of Fern,
Brechin. Angus, Scotland
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