[geos-devel] PostGIS-GEOS connection status
Yury A. Bychkov
me at yury.ca
Tue Apr 8 18:26:46 EDT 2003
>Good work Dave!
> (b) you should be able to do isValid as well, I think Yury noted that
> as debugged in his last CVS commit
Yes, isValid has been ported and tested.
> (c) I think a couple of the operators are done too (difference?) Yury
> can confirm
Overlay (union, intersection, difference, etc.) has been ported, but I have not
finished testing it yet, so there might be bugs.
> On Tuesday, April 8, 2003, at 02:05 PM, David Blasby wrote:
> > I have a working version now! I'll be commiting it to CVS after paul
> > and I do a few things like updating the Makefile - hopefully tomorrow.
> > Then we'll release it to people on this list to find out if there are
> > any install problems.
> > NOTES:
> > 0. The following operations are supported: relate(g1,g2) (returns a
> > string), relate_pattern(g1,g2,pattern), overlaps(g1,g2),
> > contains(g1,g2), within(g1,g2), crosses(g1,g2), intersects(g1,g2),
> > touches(g1,g2),disjoint(g1,g2).
> > 1. Since deleting a geometry will cause all geometry's (and the
> > GeometryFactory's) PrecisionModel to become invalid, I dont delete
> > anything. So, this version leaks memory *very* quickly. Once Yuri
> > commits a fix, I'll have postgis do more cleaning.
> > 2. If you try a relate operation on a GEOMETRYCOLLECTION, an error is
> > thrown.
> > 3. I've tested this with the 400+ test cases included with GEOS. This
> > only tests relate(g1,g2), but I'm confident that the rest of the
> > functions also work.
> > dave
> > _______________________________________________
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> > geos-devel at geos.refractions.net
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> Paul Ramsey
> Refractions Research
> Email: pramsey at refractions.net
> Phone: (250) 885-0632
> geos-devel mailing list
> geos-devel at geos.refractions.net
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