NAME
v.area.weigh - Rasterize vector areas using weights
KEYWORDS
vector,
interpolation,
raster
SYNOPSIS
v.area.weigh
v.area.weigh --help
v.area.weigh vector=name [layer=string] [column=name] weight=name output=name [--overwrite] [--help] [--verbose] [--quiet] [--ui]
Flags:
- --overwrite
- Allow output files to overwrite existing files
- --help
- Print usage summary
- --verbose
- Verbose module output
- --quiet
- Quiet module output
- --ui
- Force launching GUI dialog
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
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.
v.surf.mass,
v.to.rast,
r.stats.zonal
Markus Metz
Last changed: $Date: 2017-06-20 09:09:27 +0200 (Tue, 20 Jun 2017) $
SOURCE CODE
Available at: v.area.weigh source code (history)
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GRASS Development Team,
GRASS GIS 7.4.1svn Reference Manual