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Man Pages
v.to.lines(1) Grass User's Manual v.to.lines(1)

v.to.lines - Converts vector polygons or points to lines.

vector, geometry, area, line, point

v.to.lines
 
v.to.lines --help
 
v.to.lines input=name output=name [method= string] [--overwrite] [--help] [--verbose] [-- quiet] [--ui]

--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 vector map
 
Or data source for direct OGR access
output=name [required]
 
Name for output vector map
method=string
 
Method used for point interpolation
 
Options: delaunay
 
Default: delaunay

v.to.lines converts vector polygons (boundaries) to lines as well as vector points to lines via triangulations.

v.to.lines is able to convert point data (via triangulation) and areas to lines (via boundary to line conversion). This script is a wrapper script to v.category, v.delaunay, and v.edit.
In order to convert an ordered list of coordinates (ASCII table with x,y[,z] coordinates) into vector lines, use v.in.lines.

The examples are for the North Carolina sample dataset location:

v.to.lines input=boundary_municp output=boundary_municp_lines

v.to.lines input=geodetic_pts output=geodetic_pts_lines

v.category, v.delaunay, v.edit, v.in.lines, v.to.points, v.type

Luca Delucchi, Fondazione Edmund Mach
Last changed: $Date: 2015-01-07 21:51:53 +0100 (Wed, 07 Jan 2015) $

Available at: v.to.lines source code (history)
Main index | Vector index | Topics index | Keywords index | Graphical index | Full index
© 2003-2018 GRASS Development Team, GRASS GIS 7.4.3 Reference Manual
GRASS 7.4.3

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