Robbie Heremans wrote:
I use the Windows-version *GRASS* 6.4.0RC6 with *MSYS* and I want to
display 2 *layers* using following commands for the Spearfish60 sample
location.
d.vect streams col=blue
d.vect roads col=red
The output file map.png only displays the last layer.
I think what you need is to set the environment variable GRASS_PNG_READ
to TRUE. Then each run of d.vect will start with the existing png file
and add to it.
How can I display multiple layers with MSYS?
Using the wxGUI interface is not an option, I think, since I want to
remake the example on
http://casoilresource.lawr.ucdavis.edu/drupal/node/340 which uses a
loop (map.png only gives the points of the 5th cluster).
# there are 5 clusters: show them all, and compute convex hulls
for x in `seq 1 5`
do v.extract --o in=bclust where="cluster=$x" out=bclust_$x
v.hull --o in=bclust_$x out=bclust_hull_$x
d.vect bclust_hull_$x type=boundary fcol=none width=2 col=white
d.vect bclust icon=basic/box fcol=black col=black size=6
done
Any solutions?
Robbie
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