[GRASS5] contradiction for v.overlay
Otto Dassau
otto.dassau at gmx.de
Mon Nov 15 11:40:10 EST 2004
Hi,
there is a contradiction between the manual and the g57 tutorial for v.overlay:
a) v.overlay -help:
operator:
and : also known as 'intersection' in GIS
or : also known as 'union' in GIS (only for atype=area)
...
b) in the tutorial it says the opposite:
Vector union (AND):
v.overlay ainput=polbnda_germany binput=clipmap output=clipmap_union operator=and -t
Vector intersection (OR):
v.overlay ainput=polbnda_germany binput=clipmap output=clipmap_intersection operator=or -t
I guess the manual is correct and the tutorial has to be changed.
Otto
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