Strange OGR VRT Issue
Murat BEYHAN
beyhan at DEPREM.GOV.TR
Thu Oct 12 13:03:23 PDT 2006
Tom
sorry for the previous e mail, I was made a mistake,
Please change the line in your new ovf file with the following line
<SrcDataSource>ODBC:****/****@CABIN,OGRPoints</SrcDataSource>
regards...
Murat
On Thu, 12 Oct 2006 22:57:30 +0300, Murat BEYHAN wrote
> Tom,
> At the following line I think, but I'm not sure, You should write the name of table as your old ovf file.
>
> > <SrcDataSource>ODBC:****/****@CABIN</SrcDataSource>
>
> Please try to change the line as follows,
> <SrcDataSource>ODBC:****/****@CABIN</SrcDataSource,OGRPoints>
> Good luck...
> Murat
> On Thu, 12 Oct 2006 13:10:33 -0400, Pascoe,Tim [Burlington] wrote
> > I'm experimenting with placing my OVF file in line, in order to pass in some variables for a custom WHERE Statement. The first step I took was changing my OVF file to use the scrSQL tag with a very simple SQL statement, instead of the srcLayer tag. Both OVF files point to the same view, in the same database.
> > New File:
> > <OGRVRTDataSource>
> > <OGRVRTLayer name="CABINPoints">
> > <SrcDataSource>ODBC:****/****@CABIN</SrcDataSource>
> > <SrcSQL>SELECT * FROM OGRPoints</SrcSQL>
> > <FID>sitedetailsid</FID>
> > <GeometryType>wkbPoint</GeometryType>
> > <LayerSRS>WGS84</LayerSRS>
> > <GeometryField encoding="PointFromColumns" x="longitude" y="latitude"/>
> > </OGRVRTLayer>
> > </OGRVRTDataSource>
> > Old FIle:
> > <OGRVRTDataSource>
> > <OGRVRTLayer name="CABINPoints">
> > <SrcDataSource>ODBC:****/****@CABIN,OGRPoints</SrcDataSource>
> > <SrcLayer>OGRPoints</SrcLayer>
> > <FID>sitedetailsid</FID>
> > <GeometryType>wkbPoint</GeometryType>
> > <LayerSRS>WGS84</LayerSRS>
> > <GeometryField encoding="PointFromColumns" x="longitude" y="latitude"/>
> > </OGRVRTLayer>
> > </OGRVRTDataSource>
> > The problem is, the old OVF returns a proper image, while the new one returns a blank image. I ran the new file through OGRInfo and shp2ogr, and both behave properly.
> > So……..why am I getting a blank image with the scrSQL tag? I'm using the latest version of the MS4W file set, but running on IIS on Windows 2000. Any suggestions would be great - it's probably somthing very simple I'm missing :)
> > Tim Pascoe
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