[postgis-devel] OGIS curve and surface geometry types?

[Craig Miller]

Thanks Paul.

--Craig


-----Original Message-----
From: postgis-devel-bounces at postgis.refractions.net
[mailto:postgis-devel-bounces at postgis.refractions.net] On Behalf Of Paul
Ramsey
Sent: Tuesday, November 16, 2004 3:19 PM
To: PostGIS Development Discussion
Subject: Re: [postgis-devel] OGIS curve and surface geometry types?

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 
> file.

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 
objects.


> 3.  Is MULTPOINT, and MULTPOINTM a typo in section 4.2.2 of the users 
> guide?  Should it be MULTIPOINT and MULTIPOINTM instead?

Yes.

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