I am working for an Civil Engineering consulting company.
We have a lot of Topo maps (autocad drawings with elevations).
I have no problem converting these cad to a line shapefiles with
Then I tried to convert these line shapefiles to grid with spatial
The probelm is that the density of the contours varies and I get a lot
of "black spot" (no value) in my grid.
I know using neighborhood stats can fix it somehow but i lost
Any better ways?
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