[mapserver-dev] Vector Tileindexes - do they need to be shapefiles

[Michael Smith]

Thanks Even its working with an OGR connection.

I guess vector tileindexes just haven't kept up with raster ones.

Mike

-- 
Michael Smith
Remote Sensing/GIS Center
US Army Corps of Engineers

From:  Even Rouault <even.rouault at spatialys.com>
Date:  Wednesday, March 22, 2017 at  1:23 PM
To:  <mapserver-dev at lists.osgeo.org>
Cc:  Michael Smith <michael.smith.erdc at gmail.com>
Subject:  Re: [mapserver-dev] Vector Tileindexes - do they need to be
shapefiles

> On mercredi 22 mars 2017 13:12:45 CET Michael Smith wrote:
> 
>> > Devs,
> 
>> > 
> 
>> > Currently raster tile indexes support multiple source types, ogr, db
> 
>> > connections, etc. I just tried to do this with a vector tileindex and got
> 
>> > that it has to be a shapefile. I see this in the code:
> 
>> > 
> 
>> >     if(tlp->connectiontype != MS_SHAPEFILE) {
> 
>> >       msSetError(MS_SHPERR, "Tileindex layer must be a shapefile.",
> 
>> > "msTiledSHPOpenFile()");
> 
>> >       return(MS_FAILURE);
> 
>> >     }
> 
>> > 
> 
>> > Do vector tileindexes only support shapefiles or is this just an old check
> 
>> > that¹s never been removed?
> 
>  
> 
> Mike,
> 
>  
> 
> The check here is legitimate, and if you remove it, you'll likely get a crash
> as few lines because of the cast :
> 
>     tSHP->tileshpfile = (shapefileObj *) tlp->layerinfo; /* shapefiles use
> layerinfo to point to a shapefileObj */
> 
>  
> 
> But you can accomplish what you want by adding a CONNECTIONTYPE OGR item in
> your layer definition. This will go through the OGR code path which also
> supports tile indexes ... provided they are OGR datasources themselves.
> 
>  
> 
> Even
> 
>  
> 
> -- 
> 
> Spatialys - Geospatial professional services
> 
> http://www.spatialys.com


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