v.in.mapgen(1grass)
| v.in.mapgen(1grass) | GRASS User's Manual | v.in.mapgen(1grass) |
NAME
v.in.mapgen - Imports Mapgen or Matlab-ASCII vector maps into GRASS.
KEYWORDS
vector, import
SYNOPSIS
v.in.mapgen
v.in.mapgen --help
v.in.mapgen [-fz] input=name
[output=name] [--overwrite] [--help]
[--verbose] [--quiet] [--ui]
Flags:
- -f
-
Input map is in Matlab format - -z
-
Create a 3D vector points map from 3 column Matlab data - --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:
- input=name [required]
-
Name of input file in Mapgen/Matlab format - output=name
-
Name for output vector map (omit for display to stdout)
DESCRIPTION
v.in.mapgen allows the user to import Mapgen or Matlab vector maps into GRASS.
NOTES
This module only imports data into vector lines.
The user can get coastline data in Mapgen or Matlab format from NOAA’s Coastline Extractor at https://www.ngdc.noaa.gov/mgg/shorelines/shorelines.html.
Matlab vector line maps are simply a series of "x y"
data points. Lines are separated by a row containing NaN NaN. Output from
Matlab with this command:
save filename.txt arrayname -ASCII
The user can import 3D lines from Matlab by exporting a 3 column array and using the -z flag.
SEE ALSO
AUTHORS
Based on v.in.mapgen.sh for GRASS 5.0 by Andreas Lange
Rewritten for GRASS 6 by Hamish Bowman
SOURCE CODE
Available at: v.in.mapgen source code (history)
Accessed: Thursday Jun 18 12:50:35 2026
Main index | Vector index | Topics index | Keywords index | Graphical index | Full index
© 2003-2026 GRASS Development Team, GRASS 8.5.0 Reference Manual
| GRASS 8.5.0 |