v.in.region.1grass - Man Page
Creates a vector polygon from the current region extent.
Keywords
vector, geometry
Synopsis
v.in.region
v.in.region --help
v.in.region [-d] output=name [type=string] [cat=integer] [--overwrite] [--help] [--verbose] [--quiet] [--ui]
Flags
- -d
Densify lines using region resolution
- --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
- output=name [required]
Name for output vector map
- type=string
Select type: line or area
Options: line, area
Default: area- cat=integer
Category value
Default: 1
Description
v.in.region creates a new vector map from current region extent.
If the output of v.in.region is to be used for raster reprojection, the -d flag should be used after setting the region to the raster map to be reprojected with r.proj.
Example
The example is based on the North Carolina sample data. To create a bounding box vector map based on a raster map, the computational region is first set to the raster map. Then a vector bounding box is created based on the actual computational region (in this case precisely reflecting the pixel geometry of the raster map), resulting in a new vector polygon:
g.region raster=soils_Kfactor -p v.in.region output=soils_Kfactor_bbox v.info map=soils_Kfactor_bbox
See Also
g.region, r.proj, v.info
Author
Radim Blazek
Source Code
Available at: v.in.region source code (history)
Accessed: Saturday Nov 09 07:55:41 2024
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