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Man Pages
v.in.mapgen(1) GRASS GIS User's Manual v.in.mapgen(1)

v.in.mapgen - Imports Mapgen or Matlab-ASCII vector maps into GRASS.

vector, import

v.in.mapgen
v.in.mapgen --help
v.in.mapgen [-fz] input=name [output=name] [--overwrite] [--help] [--verbose] [--quiet] [--ui]

-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

input=name [required]

Name of input file in Mapgen/Matlab format
output=name

Name for output vector map (omit for display to stdout)

v.in.mapgen allows the user to import Mapgen or Matlab vector maps into GRASS.

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 http://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.

v.in.ascii

Based on v.in.mapgen.sh for GRASS 5.0 by Andreas Lange
Rewritten for GRASS 6 by Hamish Bowman

Available at: v.in.mapgen source code (history)

Main index | Vector index | Topics index | Keywords index | Graphical index | Full index

© 2003-2021 GRASS Development Team, GRASS GIS 7.8.6 Reference Manual

GRASS 7.8.6

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