[GRASS-user] Dissolve polygones from layer1 witch intersect with polygones of layer2

[Mounirsky]

I want to dissolve polygons from layer1 witch overlap with polygons of layer2
keeping attributes table of layer1 and using command line. 

What I've done :

v.in.ogr -o input=original_plygons output=layer1

v.in.ogr -o input=plygons_to_add output=layer2

v.patch -a input=layer2 output=layer1

(v.dissolve input=layer1 output=dissolved column=??? )

the problem is to dissolve you should chose a column ! and after the patch
(merge) the overlapping polygons of layer2 doesn't have a common same value
to dissolve them correctly...

Can you please help me to solve this problem ?



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