Strange OGR VRT Issue

[Murat BEYHAN]

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&#8230;&#8230;..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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