I have two grid files (.grd) that I created in Vertical Mapper using two =
different interpolation methods - Triangulation with Smoothing and =
Inverse Distance Weighting - from a bunch of x, y, z point data that I =
have.
Having created these grids I now want to get VM to calculate slope and =
aspect. However, when I run the routine I get an error message as =
follows:
Vertical Mapper error #1807
Extended Error Value:2
Does anyone know what this means and how I solve the problem?
Thanks for your help.
Richard
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