v.parallelgrass - Online in the Cloud

PROGRAM:

NAME

v.parallel - Creates parallel line to input vector lines.

KEYWORDS

vector, geometry, buffer, line

SYNOPSIS

v.parallel
v.parallel --help
v.parallel [-rb] input=name [layer=string] output=name distance=float
[minordistance=float] [angle=float] side=string [tolerance=float] [--overwrite]
[--help] [--verbose] [--quiet] [--ui]

Flags:
-r
Make outside corners round

-b
Create buffer-like parallel lines

--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 vector map
Or data source for direct OGR access

layer=string
Layer number or name (’-1’ for all layers)
A single vector map can be connected to multiple database tables. This number
determines which table to use. When used with direct OGR access this is the layer
name.
Default: -1

output=name [required]
Name for output vector map

distance=float [required]
Offset along major axis in map units
Options: 0-100000000

minordistance=float
Offset along minor axis in map units
Options: 0-100000000

angle=float
Angle of major axis in degrees
Default: 0

side=string [required]
Side
Options: left, right, both
Default: right
left: Parallel line is on the left
right: Parallel line is on the right
both: Parallel lines on both sides

tolerance=float
Tolerance of arc polylines in map units
Options: 0-100000000

DESCRIPTION

v.parallel creates parallel lines to the input vector lines which can be used as
half-buffers.

NOTES

Usage of -b flag will overrule the side parameter.

KNOWN ISSUES

There is a problem with side-offset parallel line generation for inside corners. To avoid
this problem, the -b flag might be used.

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