[postgis-users] How do I manipulate a polygon?

[strk at refractions.net]

On Thu, Feb 24, 2005 at 09:35:52AM -0700, Matt Lynch wrote:
> Hi,
> 
> I have a table that has a field populated with multipolygon.  How would 
> I go about manipulating the polygons (e.g. shifting the polygon, 
> add/drop vertices)?
> 
> I did look through the online documentation and list archives, but did 
> not find anything.  Please accept my appologies if  I have missed the 
> obvious.

For shifting you can use the translate() function - see chapter 6.2.6
of the postgis manual.

There is currently no direct interface for adding/dropping vertices
of geometries. 

--strk;

> 
> Thanks,
> 
> Matt
> 
> 
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