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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.

SEE ALSO

        v.buffer

AUTHORS

       Radim Blazek
       Rewritten by Rosen Matev (with support through the Google Summer of Code program 2008)

       Last changed: $Date: 2015-05-11 02:16:13 +0200 (Mon, 11 May 2015) $

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