[postgis-users] RE: WKT Raster project: call for fundings

Tyler Erickson tyler.erickson at mtu.edu
Tue Dec 9 07:39:21 PST 2008


Pierre Racine wrote:
>> Is there also a need for a MULTIRASTER data type, for vector-like
>> discrete coverages (as illustrated on slide 33)?
>>     
>
> MULTIPOLYGONs were introduced because of the limitation of POLYGONs
> (which can include only one boundary) to represent complex shapes. There
> is no such limitation in the case of a RASTER. I can represent any
> complex shape as a single RASTER. Do you have a case?
>
> Pierre
>
>   
I was just curious on this point and I don't have a compelling use case.

- Tyler

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