On Tuesday, May 22, 2012 09:33:35 AM Gerson Galang wrote:
> Hi Mauricio,
>
> WITHIN-POLYGON combination works with CQL and ECQL.
>
> It's the WITHIN-ENVELOPE combo that doesn't work with ECQL. I just
> reported the issue because WITHIN-ENVELOPE worked with CQL.
>
> If I run ECQL.toFilter("WITHIN(the_geom, ENVELOPE(0, 1, 0, 1))").toString()
> I get back
> [ 1 within POLYGON ((0 1, 0 0, 1 0, 1 1, 0 1)) ]
>
> One of the coordinates, "1" was used instead of the geometry attribute,
> "the_geom" in the filter expression.
>
> But just like what Andrea and Jody said, if it's not really your intention
> to support the conversion of ENVELOPE to POLYGON, it might not be an issue
> then.
Yes It wasn't the intention. But, now, taking into account the Filter Encoding
2.0 (version 2.0.0). The BinarySpatialOperator (within is an example) has got
as operator 2 a SpatialDescriptor which is an union of geometry, envelop or
value reference.
I think it could be an improvement. The filter interface/implementation would
require changes too.
>
> Cheers,
>
>
> Gerson Galang
> Research Software Engineer
> Melbourne eResearch Group
> The University of Melbourne
--
Mauricio Pazos
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