/[thuban]/trunk/thuban/Extensions/gns2shp/gns2shp.py
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revision 2485 by jan, Tue Nov 16 21:15:17 2004 UTC revision 2486 by jan, Sat Dec 18 22:57:03 2004 UTC
# Line 39  def gns2shp(src_fname, dest_fname): Line 39  def gns2shp(src_fname, dest_fname):
39      """Convert a file from gns textformat into a Shapefile.      """Convert a file from gns textformat into a Shapefile.
40    
41      The GNS text format is described on      The GNS text format is described on
42      http://www.nima.mil/gns/html/cntyfile/gis.html      http://www.nima.mil/gns/html/gis.html
43    
44      src_fname  -- Filename of the GNS standard textfile (including suffix '.txt)      src_fname  -- Filename of the GNS standard textfile (including suffix '.txt)
45      dest_fname -- Filename where to write the Shapefile components (name      dest_fname -- Filename where to write the Shapefile components (name
# Line 64  def gns2shp(src_fname, dest_fname): Line 64  def gns2shp(src_fname, dest_fname):
64      dbf.add_field('JOG', dbflib.FTString, 7, 0)      dbf.add_field('JOG', dbflib.FTString, 7, 0)
65      dbf.add_field('FC', dbflib.FTString, 1, 0)      dbf.add_field('FC', dbflib.FTString, 1, 0)
66      dbf.add_field('DSG', dbflib.FTString, 5, 0)      dbf.add_field('DSG', dbflib.FTString, 5, 0)
67      dbf.add_field('PC', dbflib.FTInteger, 10, 0)      dbf.add_field('PC', dbflib.FTInteger, 1, 0)
68      dbf.add_field('CC1', dbflib.FTString, 2, 0)      dbf.add_field('CC1', dbflib.FTString, 2, 0)
69      dbf.add_field('ADM1', dbflib.FTString, 2, 0)      dbf.add_field('ADM1', dbflib.FTString, 2, 0)
70      dbf.add_field('ADM2', dbflib.FTString, 2, 0)      dbf.add_field('ADM2', dbflib.FTString, 200, 0)
71      dbf.add_field('DIM', dbflib.FTInteger, 10, 0)      dbf.add_field('DIM', dbflib.FTInteger, 10, 0)
72      dbf.add_field('CC2', dbflib.FTString, 2, 0)      dbf.add_field('CC2', dbflib.FTString, 2, 0)
73      dbf.add_field('NT', dbflib.FTString, 1, 0)      dbf.add_field('NT', dbflib.FTString, 1, 0)
74      dbf.add_field('LC', dbflib.FTString, 2, 0)      dbf.add_field('LC', dbflib.FTString, 2, 0)
75      dbf.add_field('SHORT_FORM', dbflib.FTString, 40, 0)      dbf.add_field('SHORT_FORM', dbflib.FTString, 128, 0)
76      dbf.add_field('GENERIC', dbflib.FTString, 40, 0)      dbf.add_field('GENERIC', dbflib.FTString, 128, 0)
77      dbf.add_field('SORT_NAME', dbflib.FTString, 40, 0)      dbf.add_field('SORT_NAME', dbflib.FTString, 200, 0)
78      dbf.add_field('FULL_NAME', dbflib.FTString, 40, 0)      dbf.add_field('FULL_NAME', dbflib.FTString, 200, 0)
79      dbf.add_field('FULL_ND', dbflib.FTString, 40, 0)      dbf.add_field('FULL_ND', dbflib.FTString, 200, 0) # FULL_NAME_ND
80      dbf.add_field('MODIFY_DATE', dbflib.FTString, 11, 0)      dbf.add_field('MODIFY_DATE', dbflib.FTString, 11, 0)
81      del dbf      del dbf
82      dbf = dbflib.open(dbf_filename, 'r+b')      dbf = dbflib.open(dbf_filename, 'r+b')
# Line 99  def gns2shp(src_fname, dest_fname): Line 99  def gns2shp(src_fname, dest_fname):
99          except: PC = None          except: PC = None
100          try: DIM = int(DIM)          try: DIM = int(DIM)
101          except: DIM = None          except: DIM = None
102            MODIFY_DATE = MODIFY_DATE[0:10] # kill trailing "\n" or "\r\n"
103          obj = shapelib.SHPObject(shapelib.SHPT_POINT, i, [[(DD_LONG, DD_LAT)]])          obj = shapelib.SHPObject(shapelib.SHPT_POINT, i, [[(DD_LONG, DD_LAT)]])
104          shp.write_object(-1, obj)          shp.write_object(-1, obj)
105          dbf.write_record(i, { 'RC': RC, 'UFI': UFI, 'UNI': UNI, 'UTM': UTM,          dbf.write_record(i, { 'RC': RC, 'UFI': UFI, 'UNI': UNI, 'UTM': UTM,
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