[GRASS-dev] [bug #5326] (grass) g.region vect= shouldn't align to resolution

Request Tracker grass-bugs at intevation.de
Sat Nov 25 03:14:53 EST 2006


this bug's URL: http://intevation.de/rt/webrt?serial_num=5326
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Subject: g.region vect= shouldn't align to resolution

#spearfish
> g.region rast=elevation.dem res=1000 -a
> g.region -p
projection: 1 (UTM)
zone:       13
datum:      nad27
ellipsoid:  clark66
north:      4928000
south:      4914000
west:       590000
east:       609000
nsres:      1000
ewres:      1000
rows:       14
cols:       19

> g.region vect=roads
> g.region -p
projection: 1 (UTM)
zone:       13
datum:      nad27
ellipsoid:  clark66
north:      4929000
south:      4914000
west:       589000
east:       610000
nsres:      1000
ewres:      1000
rows:       15
cols:       21


> v.info -g roads
north=4928063.39801461
south=4914006.33783702
east=609527.21021496
west=589434.85646865
top=0.000000
bottom=0.000000

> v.in.region roads_box
> d.vect roads_box type=boundary


g.region vect= should ignore resolution setting as it is meaningless for vectors.

(I was trying to use a v.in.region box + v.patch + v.clean to close contour
lines open at the edge of the region [created with r.contour] so I clould
extract closed polygons of e.g. 50-100m elevation)


thanks,
Hamish


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