[GRASS-user] r.param.scale Incorrect Output

Rich Shepard rshepard at appl-ecosys.com
Thu Jan 28 12:31:06 EST 2010

   I'm stymied trying to get output from r.param.scale that is equivalent to
the example on the bottom of the man page.

   1) GRASS 6.4.0svn (Oregon):/usr4/grassbase > g.region rast=aberDEM res=10
projection: 99 (Lambert Conformal Conic)
zone:       0
datum:      nad83
ellipsoid:  grs80
north:      1334420
south:      1279150
west:       769190
east:       819260
nsres:      10
ewres:      10
rows:       5527
cols:       5007
cells:      27673689

   This sets the region to the input DEM map at 10m resolution.

   2) GRASS 6.4.0svn (Oregon):/usr4/grassbase > r.param.scale in=aberDEM
out=morphology param=feature size=9 --o

   No complaints. However, when I view the results using

   3) d.mon x0
      d.rast.leg morphology

the results are shown in the attached screenshot (shrunk to keep the file
size small).

   What might cause such output?


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