v.area.weigh
Rasterize vector areas using weights
v.area.weigh vector=name [layer=string] [column=name] weight=name output=name [--overwrite] [--verbose] [--quiet] [--qq] [--ui]
Example:
v.area.weigh vector=name weight=name output=name
grass.script.run_command("v.area.weigh", vector, layer="1", column=None, weight, output, overwrite=False, verbose=False, quiet=False, superquiet=False)
Example:
gs.run_command("v.area.weigh", vector="name", weight="name", output="name")
Parameters
vector=name [required]
Name of input vector map
Or data source for direct OGR access
layer=string
Layer number or name
Vector features can have category values in different layers. This number determines which layer to use. When used with direct OGR access this is the layer name.
Default: 1
column=name
Name of attribute column to use as area values (must be numeric)
weight=name [required]
Name of input raster with weights per cell
output=name [required]
Name for output raster map
--overwrite
Allow output files to overwrite existing files
--help
Print usage summary
--verbose
Verbose module output
--quiet
Quiet module output
--qq
Very quiet module output
--ui
Force launching GUI dialog
vector : str, required
Name of input vector map
Or data source for direct OGR access
Used as: input, vector, name
layer : str, optional
Layer number or name
Vector features can have category values in different layers. This number determines which layer to use. When used with direct OGR access this is the layer name.
Used as: input, layer
Default: 1
column : str, optional
Name of attribute column to use as area values (must be numeric)
Used as: input, dbcolumn, name
weight : str, required
Name of input raster with weights per cell
Used as: input, raster, name
output : str, required
Name for output raster map
Used as: output, raster, name
overwrite: bool, optional
Allow output files to overwrite existing files
Default: False
verbose: bool, optional
Verbose module output
Default: False
quiet: bool, optional
Quiet module output
Default: False
superquiet: bool, optional
Very quiet module output
Default: False
DESCRIPTION
v.area.weigh rasterizes vector areas using known cell weights. In the output raster, the sum off all cells falling into a given area is identical to the area attribute value used to rasterize the area.
v.area.weigh can add spatial detail to larger areas, if more detailed information is available from other sources. For example, population counts are typically available for administrative areas such as provinces, counties or countries. At the same time, the location of urban areas might be known and can be used to refine spatial detail using v.area.weigh.
SEE ALSO
v.surf.mass addon, r.area.createweight addon, v.to.rast, r.stats.zonal
AUTHOR
Markus Metz
SOURCE CODE
Available at: v.area.weigh source code
(history)
Latest change: Thursday Feb 20 13:02:26 2025 in commit 53de819