Re: [gdal-dev] [BULK] Re: Dissolve shapefile using GDAL/OGR

2014-07-14 Thread Mike Toews
The path strings are not escaped, so dissolve[13] is '\a' or '\x07' and not 'a', which makes the path invalid. For Windows paths, the best practice is to either use forward slashes (like unix), or use raw escape with r as a string prefix, e.g. dissolve = r'C:\OSGeo4W64\apps...' On 12 July 2014 0

Re: [gdal-dev] [BULK] Re: Dissolve shapefile using GDAL/OGR

2014-07-14 Thread devendra dahal
Hello all, Does anybody have suggestions on this issue? I am just interested on dissolving polygons, if there is another way around, too. thanks On Jul 11, 2014 9:21 AM, "kalu671" wrote: > Hello Dan, > I tried to use the syntax and I am getting the error: > "The filename, directory name, or volu

Re: [gdal-dev] [BULK] Re: Dissolve shapefile using GDAL/OGR

2014-07-11 Thread kalu671
Hello Dan, I tried to use the syntax and I am getting the error: "The filename, directory name, or volume label syntax is incorrect." my syntax is as below: inFile = "D:\Dir1\Polygons.shp" outFile = "D:\Dir2\Dissolved_polygons.shp" dissolve = 'C:\OSGeo4W64\apps\saga\saga_cmd shapes_polygons "Pol

Re: [gdal-dev] [BULK] Re: Dissolve shapefile using GDAL/OGR

2013-07-25 Thread Dan Strobridge
Sorry, I meant Even (not Evan). Another workaround I found is the dissolve polygons tool in SAGA (instaled from OSGeo4W). I found this tool very handy since SAGA has a command line option and this specific tool allows up to three dissolve fields to be specified. My syntax was: saga_cmd shapes_p

Re: [gdal-dev] [BULK] Re: Dissolve shapefile using GDAL/OGR

2013-07-19 Thread Dan Strobridge
Thanks Evan. I will try the workaround and use it until GDAL 1.10 has been incorporated into OSGeo4W. Since you’ve brought up the OSGeo4W installer… mine says my gdal library is current (1.9.2-2) bu when I launch the shell I see the following, which suggests an older version is actually gettin