DESCRIPTION

v.trees3d makes 3D trees from point vector file

EXAMPLES

Spruce forest

v.trees3d input=points output=spruce

Spruce, Beech and Fir forest with variable height and position

v.trees3d in=points out=forest spruce=50 beech=25 fir=25 height=25 hvar=5 vvar=20 diam=6

Simulation of your research area: get values from database

v.trees3d in=points out=forest specolumn=species hcolumn=height dcolumn=diam

Spearfish example

g.region n=4919040 s=4917090 w=597630 e=600540 res=30 -p
r.mapcalc "ded_forest=if(landcover.30m == 41,1,null())"
r.random input=ded_forest vector_output=trees n=275
v.trees3d in=trees out=forest dia=8 height=30 elevation=elevation.10m \
          spruce=70 larch=30 vvar=20 clength=50
nviz elevation.10m vect=forest

Other Spearfish example

g.region n=4919040 s=4917090 w=597630 e=600540 res=30 -p
r.mapcalc "ded_forest=if(landcover.30m == 41,1,null())"
g.region res=5
r.to.vect in=ded_forest out=ded_forest use=val val=1
v.trees3d in=trees out=forest dia=8 height=30 elevation=elevation.10m \
          spruce=70 larch=30 hvar=5 vvar=20 clength=50
nviz elevation.10m vect=forest

AUTHOR

Jachym Cepicky, jachym.cepicky _at_ centrum _dot_ cz, http://les-ejk.cz
Department of Geoinformation Technologies, http://mapserver.mendelu.cz

Last changed: $Date: 2009-01-27 20:48:15 $