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NAME

       v.clip  - Extracts features of input map which overlay features of clip map.

KEYWORDS

       vector, clip, area

SYNOPSIS

       v.clip
       v.clip --help
       v.clip  [-dr]  input=name  clip=name  output=name   [--overwrite]   [--help]   [--verbose]
       [--quiet]  [--ui]

   Flags:
       -d
           Do not dissolve clip map

       -r
           Clip by region

       --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 vector map to be clipped
           Or data source for direct OGR access

       clip=name [required]
           Name of clip vector map
           Or data source for direct OGR access

       output=name [required]
           Name for output vector map

DESCRIPTION

       v.clip module enables extracting  those  features  of  input  vector  map,  which  overlay
       features of clip map, as well as their storing in a new vector map.

       In  default,  boundaries of clip map are dissolved before clipping. Alternatively, flag -d
       can be ticked to retain the boundaries of  clip  map.  Flag  -b  facilitates  clipping  by
       current computational region.

       It  is  possible to clip vector maps consisting of points, lines, areas or combinations of
       these. However, the current version does not fully  support  clipping  of  mixed  geometry
       containing  points.  In  such  a case, the output map will only store clipped lines and/or
       areas.

NOTES

       v.clip is a front-end to v.overlay, as well as v.select. Clipping of  areas  and/or  lines
       can be achieved using v.overlay. Clipping of points can be performed with v.select.

EXAMPLES

   Basic use
       Clip railroads by counties Wake and Johnston in North Carolina (North Carolina data set).
       v.extract input=boundary_county where="NAME=’WAKE’ OR NAME=’JOHNSTON’" output=county_WAKE_JOHNSTON
       v.clip input=railroads clip=county_WAKE_JOHNSTON output=railroads_WAKE_JOHNSTON
       Figure: v.clip example - basic use

   Retain boundaries of clip map
       v.clip -d input=railroads clip=county_WAKE_JOHNSTON output=railroads_WAKE_JOHNSTON

   Clip by current computational region
       Clip  hospitals  by  computational  region adjusted to counties Wake and Johnston in North
       Carolina (North Carolina data set).  It is not obligatory to enter name of  clip  map.  In
       case it is stated, the clip map will be omitted.
       v.extract input=boundary_county where="NAME=’WAKE’ OR NAME=’JOHNSTON’" output=county_WAKE_JOHNSTON
       v.clip -r input=hospitals output=hospitals_clip
       Figure: v.clip example - clip by computational region

SEE ALSO

        v.overlay, v.select, v.dissolve, v.in.region

AUTHOR

       Zofie Cimburova, GeoForAll Lab, Czech Technical University in Prague, Czech Republic

SOURCE CODE

       Available at: v.clip source code (history)

       Accessed: unknown

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