Can somebody look on those data? I used v.overlay with "and/or" and also got some strange results - not what I expected. There must be something strange in that vector dataset/how GRASS understands it.
Maris. 2008/2/13, Eddie <[EMAIL PROTECTED]>: > Someone sent me an E-mail regarding my use of HTML in the previous > message and I'm sorry about that. Always learning. Allow me to re-phrase > in plain text. > > I have been struggling for quite some time trying to make a land use > vector map out of two separate vector maps. One is water and the other > is vegetation. Both only contain areas, and those areas which are active > are set to a single category value (1 for water, 2 for vegetation). > Islands are valid areas with no category id. I have tried the following > two approaches > > v.patch input=water,vegetation out=landuse > v.overlay ainput=water atype=area binput=vegetation btype=area > output=landuse operator=or > > to no avail. The results is always something bizarre that I haven't > quite figured out the meaning of. Certainly not what one would expect. > Both maps appear to be topographically correct. I have uploaded a > tar.bz2 of the project file at > (http://eddie.alcazarmountain.com/kootenay.tar.bz2). I removed all the > other map files leaving only the two vector maps and a region setting. > It is only about two megabytes. I am running {GRASS 6.2.1 (2006)} on > {Linux spica 2.6.23-gentoo-r6 #1 Mon Jan 28 11:06:48 MST 2008 x86_64 > Mobile AMD Athlon(tm) 64 Processor 3000+ AuthenticAMD GNU/Linux}. > > _______________________________________________ > grass-user mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/grass-user > _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
