[gdal-dev] C# OGR reading OSM features "stalls"

[Even Rouault]

Le mardi 04 mars 2014 20:56:59, agerrius a écrit :
> Even,
> 
> In my actual application I am looping over all layers, but it still doesn't
> work.
> 
> But from your feedback I now know what is going wrong. My problem is what
> to do with layers that don't contain the field I am filtering on. If I
> apply the filter to them and error is thrown (ERROR 1: 'landuse' not
> recognised as an available field.). What I did now is just skip those
> layers, but as I understand now that will interfere with the interleaved
> reading and therefore I don't get the features returned from the other
> layers either.
> 
> So how would one get all the OSM features that have an attribute landuse?
> As you can see I used "landuse IS NOT NULL" for the attribute filter. But
> if I set that on the points layer I get an error, since there are no
> landuse points. How can I set the filter so that that layer actually
> returns no features?

Only set the filter on the multipolygons layer.

> 
> Thanks for all the help so far,
> 
> Arno
> 
> 
> 
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