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r.in.poly(1grass) | Grass User's Manual | r.in.poly(1grass) |
NAME¶
r.in.poly - Creates raster maps from ASCII polygon/line/point data files.KEYWORDS¶
raster, importSYNOPSIS¶
r.in.polyFlags:¶
- --overwrite
-
- --verbose
-
- --quiet
-
Parameters:¶
- input=name
-
- output=name
-
- title=
-
- rows=integer
-
DESCRIPTION¶
r.in.poly allows the creation of GRASS binary raster maps from ASCII files in the current directory containing polygon, linear, and point features. The input file is an ASCII text file containing the polygon, linear, and point feature definitions. The format of this file is described in the INPUT FORMAT section below. The number of raster rows to hold in memory is per default 4096. This parameter allows users with less memory (or more) on their system to control how much memory r.in.poly uses. Usually the default value is fine.NOTES¶
The data will be imported using the current region settings to set the new raster map's bounds and resolution. Any features falling outside the current region will be cropped. The region settings are contolled with the g.region module. The format is a simplified version of the standard GRASS vector ASCII format used by v.in.ascii. Polygons are filled, i.e. they define an area.Input Format¶
The input format for the input file consists of sections describing either polygonal areas, linear features, or point features. The basic format is:easting northing
.
.
.
easting northing
.
.
.
easting northing
EXAMPLE¶
An area described by four points:591316.80 4926455.50
591410.25 4926482.40
591434.60 4926393.60
591341.20 4926368.70
SEE ALSO¶
r.digit (for interactive on-screen polygon/line digitizing for raster maps)AUTHOR¶
Michael Shapiro, U.S.Army Construction Engineering Research Laboratory Last changed: $Date: 2008-05-21 20:40:03 +0200 (Wed, 21 May 2008) $ Full index © 2003-2014 GRASS Development TeamGRASS 6.4.4 |