Alexander, This has been fixed in http://trac.osgeo.org/gdal/ticket/3247 Use the latest version 1.7 overcome this issue. It was not incorporated in 1.6 branch.
On Thu, Apr 29, 2010 at 10:39 PM, Alexander Bruy <[email protected]>wrote: > Hi all, > > when writing a script in Python for processing shapefiles I found > that I can add to the shapefile new fields with the same name many > times without any error or warning. But AFAIK all fields in shapefile > must have unique field names. Is this a bug and I need to post a > ticket? Or maybe I do something wrong? > > Here is code > > #!/usr/bin/env python > # -*- coding: utf-8 -*- > > try: > from osgeo import ogr > except ImportError: > import ogr > > import sys > > def createField( inLayer, fieldName ): > fieldDef = ogr.FieldDefn( fieldName, ogr.OFTReal ) > fieldDef.SetWidth( 12 ) > fieldDef.SetPrecision( 4 ) > if inLayer.CreateField( fieldDef ) != 0: > print "Can't create field %s" % fieldDef.GetNameRef() > return False > return True > > if __name__ == '__main__': > args = sys.argv[ 1: ] > filePath = args[ 0 ] > inShape = ogr.Open( filePath, True ) > if inShape is None: > print 'Unable to open shapefile', filePath > sys.exit( 1 ) > > inLayer = inShape.GetLayer( 0 ) > for i in range( 3 ): > name = 'new_field' > if not createField( inLayer, name ): > print 'ERROR' > sys.exit( 1 ) > > Script get from commandline path to any shapefile and adds to it > 4 new fields with same name. > My software GDAL/OGR 1.6.3 with Python 2.5.2 under Linux. > > Thanks > -- > Alexander Bruy > _______________________________________________ > gdal-dev mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/gdal-dev > -- Best regards, Chaitanya kumar CH. /tʃaɪθənjə/ /kʊmɑr/ +91-9848167848 17.2416N 80.1426E
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