3D operations (Re: [geos-devel] C API coordinate sequence dimensions)

[Martin Davis]

Not me...  as strk says, this is functionality which isn't in JTS.

Mark Cave-Ayland wrote:
> On Tue, 2009-01-13 at 11:08 -0700, Sean Gillies wrote:
>
>   
>> "Smurf code"? Smurfs are good, if I remember my Saturday morning  
>> cartoons :)
>>
>> It would probably take me much longer to grep and read through the  
>> code base to find which functions are 3D and document them in the wiki  
>> than it would take the authors ... can I do anything to entice them to  
>> document the 3D functions?
>>
>> Sean
>>     
>
> Bear in mind that even though some functions claim to support 3D, they
> may actually be broken. We currently have an issue in PostGIS with
> BuildArea returning an invalid polygon here due to an incorrect Z
> coordinate:
>
> http://postgis.refractions.net/pipermail/postgis-devel/2009-January/004571.html
>
> Can anyone with more experience with BuildArea (like Martin!) comment on
> whether this is a GEOS bug or simply a problem with behaviour > 2
> dimensions being undefined?
>
>
> ATB,
>
> Mark.
>
>
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>   

-- 
Martin Davis
Senior Technical Architect
Refractions Research, Inc.
(250) 383-3022