GRASS Programmer's Manual  6.4.2(2012)
v.type_wrapper.py
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00001 #!/usr/bin/env python
00002 ############################################################################
00003 #
00004 # MODULE:       v.type_wrapper.py (v.type wrapper script)
00005 #
00006 # AUTHOR(S):    Hamish Bowman  (Otago University, New Zealand)
00007 #               (original contributor, v.type.sh)
00008 #               Pythonized by Martin Landa <landa.martin gmail.com> (2008/08)
00009 #
00010 # PURPOSE:      Supply v.type options in a GUI compatible way
00011 #
00012 # COPYRIGHT:    (C) 2007-2008 by Hamish Bowman, and the GRASS Development Team
00013 #
00014 #               This program is free software under the GNU General Public
00015 #               License (>=v2). Read the file COPYING that comes with GRASS
00016 #               for details.
00017 #
00018 #############################################################################
00019 
00020 #%module
00021 #% description: Change the type of geometry elements.
00022 #% keywords: vector, geometry
00023 #%end
00024 
00025 #%option
00026 #% key: input
00027 #% type: string
00028 #% required: yes
00029 #% multiple: no
00030 #% key_desc: name
00031 #% description: Name of input vector map
00032 #% gisprompt: old,vector,vector
00033 #%end
00034 
00035 #%option
00036 #% key: output
00037 #% type: string
00038 #% required: yes
00039 #% multiple: no
00040 #% key_desc: name
00041 #% description: Name for output vector map
00042 #% gisprompt: new,vector,vector
00043 #%end
00044 
00045 #%option
00046 #% key: type
00047 #% type: string
00048 #% required: no
00049 #% multiple: no
00050 #% options: point to centroid,point to kernel,centroid to point,centroid to kernel,kernel to point,kernel to centroid,line to boundary,line to face,boundary to line,boundary to face,face to line,face to boundary
00051 #% description: Conversion
00052 #% answer: boundary to line
00053 #%end
00054 
00055 import sys
00056 from grass.script import core as grass
00057 
00058 def main():
00059     if options['type'] == "point to centroid":
00060         type_cnv = "point,centroid"
00061     elif options['type'] == "point to kernel":
00062         type_cnv = "point,kernel"
00063     elif options['type'] == "centroid to point":
00064         type_cnv = "centroid,point"
00065     elif options['type'] == "centroid to kernel":
00066         type_cnv = "centroid,kernel"
00067     elif options['type'] == "kernel to point":
00068         type_cnv = "kernel,point"
00069     elif options['type'] == "kernel to centroid":
00070         type_cnv = "kernel,centroid"
00071     elif options['type'] == "line to boundary":
00072         type_cnv = "line,boundary"
00073     elif options['type'] == "line to face":
00074         type_cnv = "line,face"
00075     elif options['type'] == "boundary to line":
00076         type_cnv = "boundary,line"
00077     elif options['type'] == "boundary to face":
00078         type_cnv = "boundary,face"
00079     elif options['type'] == "face to line":
00080         type_cnv = "face,line"
00081     elif options['type'] == "face to boundary":
00082         type_cnv = "face,boundary"
00083     
00084     options.pop('type')
00085     grass.exec_command("v.type", type = type_cnv, **options)
00086 
00087     return 0
00088 
00089 if __name__ == "__main__":
00090     options, flags = grass.parser()
00091     sys.exit(main())
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