[GRASS5] [bug #2664] (grass) r.contour writes negative elevations to category

Request Tracker grass-bugs at intevation.de
Thu Oct 14 13:06:05 EDT 2004


this bug's URL: http://intevation.de/rt/webrt?serial_num=2664
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Subject: r.contour writes negative elevations to category

Platform: Mac OSX
grass obtained from: Trento Italy site
grass binary for platform: Compiled from Sources
GRASS Version: 5.7cvs20041009

r.contour puts the contour elevations in the category.  A minor drawback is that this rounds any 
fractional elevation values to integers, so is useless for fine detail contouring.  The big problem is 
that it will write negative categories, which I'm told is wrong.

r.contour should write elevations to a table.  It does put the elevations in the z (height) of the 
vector, but there doesn't seem to be a height option to v.to.db (just length and area).  That would be 
the other solution - maybe easier to do.

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