[postgis-devel] ST_CleanGeometry

[strk]

On Sun, Jan 30, 2011 at 12:28:29PM -0500, Paragon Corporation wrote:
> Strk,
> 
> I just realized in scanning thru the functions that we don't have
> ST_CleanGeometry documented.
> 
> What is the difference between ST_CleanGeometry and ST_MakeValid.
> 
> I'm assuming that ST_MakeValid tries to not lose vertices and
> ST_CleanGeometry will try to make a geometry valid at all costs is that
> right?

Nope.
ST_CleanGeometry is currently just a wrapper around ST_MakeValid
returning NULL if the output is of a different type than
the input (ie: it nulls invalid cleaning attempts)

I've to admit I don't like such semantic much...

--strk;

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