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Ordered weighted averaging error QGIS
The Next CEO of Stack OverflowHow to fix AttributeError: 'QgsVectorLayer' object has no attribute 'provider'?QGIS 2.4 Processing (Zonal Statistics) errorZeroDivisionErrorClip line vector by shape fails - error 1005Count points in polygon tool keeps failing in QGISError running r.thin in QGISQGIS Distance Matrix execution failsNo Voronoi polygons createdGrass algorithm r.neighbors doesn't work in Qgis 3.4. How can I solve this?Error whilsted using QGIS 3.4.4 r.series batch processing
I am trying to use Ordered weighted averaging to sum up values across different raster overlays in QGIS 3.4.4, but I get this error:
Traceback (most recent call last):
File "C:/PROGRA~1/QGIS3~1.4/apps/qgis/./python/pluginsprocessingalgssagaSagaAlgorithm.py",
line 217, in processAlgorithm
files.append(parameters[param.name()].source()[:-4] + 'sgrd')
AttributeError: 'list' object has no attribute 'source'
I have already tried to use Raster Calculator by SAGA, Raster analysis and GDAL, and GRASS' r.series, but either get an error or get a blank map. I have selected no-data value for 1 layer only, so I should get a result even if the areas don't overlap.
qgis raster-calculator overlay
edited 2 days ago
TomazicM
1,4121316
asked 2 days ago
user139594user139594
61
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user139594 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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I am trying to use Ordered weighted averaging to sum up values across different raster overlays in QGIS 3.4.4, but I get this error:
Traceback (most recent call last):
File "C:/PROGRA~1/QGIS3~1.4/apps/qgis/./python/pluginsprocessingalgssagaSagaAlgorithm.py",
line 217, in processAlgorithm
files.append(parameters[param.name()].source()[:-4] + 'sgrd')
AttributeError: 'list' object has no attribute 'source'
I have already tried to use Raster Calculator by SAGA, Raster analysis and GDAL, and GRASS' r.series, but either get an error or get a blank map. I have selected no-data value for 1 layer only, so I should get a result even if the areas don't overlap.
qgis raster-calculator overlay
edited 2 days ago
TomazicM
1,4121316
asked 2 days ago
user139594user139594
61
New contributor
user139594 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
I am trying to use Ordered weighted averaging to sum up values across different raster overlays in QGIS 3.4.4, but I get this error:
Traceback (most recent call last):
File "C:/PROGRA~1/QGIS3~1.4/apps/qgis/./python/pluginsprocessingalgssagaSagaAlgorithm.py",
line 217, in processAlgorithm
files.append(parameters[param.name()].source()[:-4] + 'sgrd')
AttributeError: 'list' object has no attribute 'source'
I have already tried to use Raster Calculator by SAGA, Raster analysis and GDAL, and GRASS' r.series, but either get an error or get a blank map. I have selected no-data value for 1 layer only, so I should get a result even if the areas don't overlap.
qgis raster-calculator overlay
edited 2 days ago
TomazicM
1,4121316
asked 2 days ago
user139594user139594
61
New contributor
user139594 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
I am trying to use Ordered weighted averaging to sum up values across different raster overlays in QGIS 3.4.4, but I get this error:
Traceback (most recent call last):
File "C:/PROGRA~1/QGIS3~1.4/apps/qgis/./python/pluginsprocessingalgssagaSagaAlgorithm.py",
line 217, in processAlgorithm
files.append(parameters[param.name()].source()[:-4] + 'sgrd')
AttributeError: 'list' object has no attribute 'source'
I have already tried to use Raster Calculator by SAGA, Raster analysis and GDAL, and GRASS' r.series, but either get an error or get a blank map. I have selected no-data value for 1 layer only, so I should get a result even if the areas don't overlap.
qgis raster-calculator overlay
qgis raster-calculator overlay
edited 2 days ago
TomazicM
1,4121316
asked 2 days ago
user139594user139594
61
New contributor
user139594 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
edited 2 days ago
TomazicM
1,4121316
asked 2 days ago
user139594user139594
61
New contributor
user139594 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
edited 2 days ago
TomazicM
1,4121316
edited 2 days ago
TomazicM
1,4121316
edited 2 days ago
TomazicM
1,4121316
1,4121316
asked 2 days ago
user139594user139594
61
New contributor
user139594 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 2 days ago
user139594user139594
61
asked 2 days ago
user139594user139594
61
61
New contributor
user139594 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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New contributor
user139594 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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1 Answer
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At least in GRASS, the r.series module propagates NULLs only if you add the -n flag. But you should be aware that in GRASS you must set the computational region to cover all rasters.
So if you're trying to get the weighted average of rasters rast1, rast2 rast3, with weights 0.1, 0.2, 0.3, then:
RAST_LIST=`g.list rast pattern=rast*`
g.region -p input=$RAST_LIST
r.series input=$RAST_LIST output=rast_avg weights=0.1,0.2,0.3
answered yesterday
MichaMicha
11k1421
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1 Answer
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At least in GRASS, the r.series module propagates NULLs only if you add the -n flag. But you should be aware that in GRASS you must set the computational region to cover all rasters.
So if you're trying to get the weighted average of rasters rast1, rast2 rast3, with weights 0.1, 0.2, 0.3, then:
RAST_LIST=`g.list rast pattern=rast*`
g.region -p input=$RAST_LIST
r.series input=$RAST_LIST output=rast_avg weights=0.1,0.2,0.3
answered yesterday
MichaMicha
11k1421
add a comment |
At least in GRASS, the r.series module propagates NULLs only if you add the -n flag. But you should be aware that in GRASS you must set the computational region to cover all rasters.
So if you're trying to get the weighted average of rasters rast1, rast2 rast3, with weights 0.1, 0.2, 0.3, then:
RAST_LIST=`g.list rast pattern=rast*`
g.region -p input=$RAST_LIST
r.series input=$RAST_LIST output=rast_avg weights=0.1,0.2,0.3
answered yesterday
MichaMicha
11k1421
add a comment |
At least in GRASS, the r.series module propagates NULLs only if you add the -n flag. But you should be aware that in GRASS you must set the computational region to cover all rasters.
So if you're trying to get the weighted average of rasters rast1, rast2 rast3, with weights 0.1, 0.2, 0.3, then:
RAST_LIST=`g.list rast pattern=rast*`
g.region -p input=$RAST_LIST
r.series input=$RAST_LIST output=rast_avg weights=0.1,0.2,0.3
answered yesterday
MichaMicha
11k1421
At least in GRASS, the r.series module propagates NULLs only if you add the -n flag. But you should be aware that in GRASS you must set the computational region to cover all rasters.
So if you're trying to get the weighted average of rasters rast1, rast2 rast3, with weights 0.1, 0.2, 0.3, then:
RAST_LIST=`g.list rast pattern=rast*`
g.region -p input=$RAST_LIST
r.series input=$RAST_LIST output=rast_avg weights=0.1,0.2,0.3
answered yesterday
MichaMicha
11k1421
answered yesterday
MichaMicha
11k1421
answered yesterday
MichaMicha
11k1421
answered yesterday
MichaMicha
11k1421
11k1421
add a comment |
add a comment |
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