[Gdal-dev] ogr2ogr Unable to open datasource
Ryan Ollerenshaw
ollerery at engr.orst.edu
Tue Oct 31 14:14:10 EST 2006
Frank Warmerdam wrote:
> Ryan Ollerenshaw wrote:
>> Thank you for the help but the documentation for using an OGR VRT
>> file does not seem to be clear. I created a ovf file (see below) and
>> ran
>> # ogr2ogr -f "ESRI Shapefile" thick18.shp thick18.cvs
>> but still no change only a dbf file is created. I do not see in the
>> VRT documentation how to use the ovf file.
>>
>> Resources I have found:
>> http://gdal.maptools.org/ogr/drv_vrt.html
>> http://mapserver.gis.umn.edu/docs/reference/vector_data/VirtualSpatialData
>>
>
> Ryan,
>
> You would use the .ovf file as the input file.
>
> eg.
> ogr2ogr -f "ESRI Shapefile" thick18.shp thick18.ovf
>
> The OGR VRT driver will then open the referenced .csv file, and transform
> the features read from it to have a spatial component.
Still not quite there, when i try to use the ovf file as my input i get
the following error, i also tried to name my input file .vrt but still
the same error.
FAILURE:
Unable to open datasource `E:\Ryan\solid_earth\thick18.ovf' with the
following drivers.
-> ESRI Shapefile
-> UK .NTF
-> SDTS
-> TIGER
-> S57
-> MapInfo File
-> DGN
-> VRT
-> AVCBin
-> REC
-> Memory
-> CSV
-> GML
-> SQLite
-> ODBC
-> OGDI
-> PostgreSQL
-> FMEObjects Gateway
ovf file:
<OGRVRTDataSource>
<OGRVRTLayer name="thick18">
<SrcDataSource>thick18</SrcDataSource>
<SrcLayer>E:\Ryan\solid_earth</SrcLayer>
<GeometryField encoding="PointFromColumns" x="long" y="lat"/>
<GeometryType>wkbPoint</GeometryType>
</OGRVRTLayer>
</OGRVRTDataSource>
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