Opened 8 years ago

Closed 5 years ago

#1154 closed defect (fixed)

r.drain hangs using an r.walk surface

Reported by: abevan Owned by: grass-dev@…
Priority: normal Milestone: 7.0.0
Component: Raster Version: svn-trunk
Keywords: r.drain Cc:
CPU: OSX/Intel Platform: MacOSX

Description

GRASS 7.0.svn (spearfish):~ > r.walk -k -n elevation=elevation.10m friction=elevation.10m coordinate=603289,4925264 output=anisoA outdir=anisoAdir lambda=0
Walking costs are a=0.720000 b=6.000000 c=1.999800 d=-1.999800 Lambda is 0.000000 Slope_factor is -0.212500


Will need at least 9.23 MB of disk space Will need at least 12.29 MB of memory


Reading raster maps <elevation.10m@PERMANENT> and <elevation.10m@PERMANENT>, initializing output...

100%

Initializing directional output

100%

Finding cost path

100%

Writing output raster map anisoA...

100%

Writing movement direction file anisoAdir...

100%

r.walk complete. Peak cost value: 18025.341210.
GRASS 7.0.svn (spearfish):~ > r.drain -c -d input=anisoA indir=anisoAdir output=fromAtoB coordinate=595080,4918109 --v
Directional drain selected... checking for direction raster direction read: 67.500000, neighbour found: 675 direction read: 22.500000, neighbour found: 225 direction read: 22.500000, neighbour found: 225 direction read: 22.500000, neighbour found: 225 direction read: 90.000000, neighbour found: 900 direction read: 0.000000, neighbour found: 0 direction read: 180.000000, neighbour found: 1800 direction read: 0.000000, neighbour found: 0 direction read: 180.000000, neighbour found: 1800 direction read: 0.000000, neighbour found: 0

Change History (2)

comment:1 Changed 8 years ago by mmetz

fixed in r43478, please test

Markus M

comment:2 in reply to:  1 Changed 5 years ago by neteler

Resolution: fixed
Status: newclosed

Replying to mmetz:

fixed in r43478, please test

Markus M

Works fine:

GRASS 7.0.svn (spearfish60_grass7):~ > g.region rast=elevation.10m

GRASS 7.0.svn (spearfish60_grass7):~ > r.walk -k -n elevation=elevation.10m \
friction=elevation.10m start_coordinate=603289,4925264 output=anisoA \
outdir=anisoAdir lambda=0
Walking costs are a=0.720000 b=6.000000 c=1.999800 d=-1.999800
Lambda is 0.000000
Slope_factor is -0.212500
--------------------------------------------
Will need at least 70.89 MB of disk space
Will need at least 86.53 MB of memory
--------------------------------------------
Reading raster maps <elevation.10m@PERMANENT> and
<elevation.10m@PERMANENT>, initializing output...
 100%
Initializing directional output
 100%
Finding cost path
 100%
Writing output raster map anisoA...
 100%
Writing movement direction file anisoAdir...
 100%
r.walk complete. Peak cost value: 18230.616166.

GRASS 7.0.svn (spearfish60_grass7):~ > d.mon wx0
GRASS 7.0.svn (spearfish60_grass7):~ > d.rast elevation.10m
 100%
GRASS 7.0.svn (spearfish60_grass7):~ > d.rast anisoA
 100%
GRASS 7.0.svn (spearfish60_grass7):~ > d.rast anisoAdir
 100%

GRASS 7.0.svn (spearfish60_grass7):~ > r.drain -c -d input=anisoA indir=anisoAdir output=fromAtoB start_coordinate=595080,4918109
Writing raster map <fromAtoB>...
 100%
GRASS 7.0.svn (spearfish60_grass7):~ >
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