[postgis-devel] ST_SimplifyVW not touching Start and endpoint of polygon

[Nicklas Avén]

On Mon, 2017-10-16 at 08:12 +0200, Sandro Santilli wrote:
> 
> But on the other hand I do see reasons for you wanting to
> maintain the start/end points (in topology building, for
> example, where the start/end point may be a node in a bigger
> topology, so please if you allow for changing that make it
> an option exposed at SQL level.
> 
> --strk;

Good point, I agree it should be just an option if done. 
Also important to maintain the non-collapsing functionality.

How does ST_Simplify handle this? Does ST_Simplify move start/end -
point?

/Nicklas


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