[GRASSLIST:3383] Re: Removing boundaries on vector maps

Luis E Menoyo lemenoyo at usgs.gov
Mon May 10 16:15:53 EDT 2004

I'm in the same predicament.  I've got a series of 7.5min DLGs (hydro, 
transpostation, boundaries) that I have v.patch'ed together and am now 
looking for a way to remove the duplicate border vectors.

According to the 5.7 manual entry for v.patch:
"Any vectors that are duplicated among the maps being patched together 
(e.g., border lines) will have to be edited or removed after v.patch is 
run.  Such editing can be done automatically using v.clean (tool=svtlx). "
I received undesirable results when running v.clean tool=rmdupl.  After 
running the command many boundary vectors remained and several vctors 
depicting actual features were removed.  It may be that if the boundary 
lines were not set as a particular category they may have to be removed 
manualy using v.digit.
Can anyone here shed some light on the subject? 

SWlab <swlab at cornell.edu>
Sent by: owner-GRASSLIST at baylor.edu
05/09/04 02:57 PM
Please respond to swlab
        To:     <grasslist at baylor.edu>
        Subject:        [GRASSLIST:3379] Removing boundaries on vector 

I have a number of vector maps, each representing stream paths over a USGS 

7.5' quad. The boundaries of the quads are present on each map. Is there a 

scriptable way to remove those boundaries before or after patching the 
maps ?
Thanks for any hint

Soil & Water Laboratory
Dept. of Biological & Environmental Engineering
Cornell University
ITHACA, NY 14853
Tel: (607)255.2463

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