[postgis-devel] OGIS curve and surface geometry types?
pramsey at refractions.net
Tue Nov 16 15:19:17 PST 2004
Craig Miller wrote:
> 1. Are the OGIS curve and surface geometry types supported under
> PostGIS? I didn’t see them listed in section 4.2.2 of the user’s guide,
> but wanted to make sure. They are defined in the OGIS OleDbGis.h header
No, they are not. The SFSQL spec treats them as abstract superclasses of
the underlying types.
> 2. Where are the POINTM, LINESTRINGM, POLYGONM, MULTPOINTM,
> MULTILINESTRINGM, MULTIPOLYGONM, GEOMETRYCOLLECTIONM types coming from?
> The OGIS OleDbGis.h header doesn’t list these types. Is there an
> inconsistency between the two OGIS specifications?
We are expanding on the spec at this point, to support both 3d and 4d
> 3. Is MULTPOINT, and MULTPOINTM a typo in section 4.2.2 of the users
> guide? Should it be MULTIPOINT and MULTIPOINTM instead?
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