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st_za
2023 Nov 20
1
Calculating volume under polygons
...of a shapefile according
to a DEM.
when I run the code, it gives me an error as follows.
"
Error in h(simpleError(msg, call)) :
error in evaluating the argument 'x' in selecting a method for function
'addAttrToGeom': sp supports Z dimension only for POINT and MULTIPOINT.
use `st_zm(...)` to coerce to XY dimensions
"
I want to have a table that contains one column corresponding to the
polygon rank and another that contains the volume on that polyon.
I would be more than happy if anyone could help me.
I provided codes at the end of this email.
Sincerely
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