Richard and Sandro,
Thank you for your replies and suggestions.
Richard, I think your suggestion is a good one and may have worked.
Unfortunately, because of various reasons, the original DB does not exist
anymore.
I may possibly have to let this one go; At least for now. All of the PostGIS
Hi
I succeeded to correct interior rings, but I've problem wih interior rings.
Looks this screen (black circle). http://imagik.fr/view-rl/74788
Do you idea to resolve my problem?
Thanks
Richard L
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Hi
I succeeded to correct interior rings, but I've problem wih interior rings.
Looks this screen (black circle). http://imagik.fr/view-rl/74788
Do you idea to resolve my problem?
Thanks
Richard L
___
postgis-users mailing list
simplify
simplify preserve topology
polygonise then filter on area,
opening operator (negativ buffer of X then positiv buffer of X)
...
Cheers,
Rémi-C
2014-02-10 13:43 GMT+01:00 Richard LEHAUT richard.leh...@crpf.fr:
Hi
I succeeded to correct interior rings, but I've problem wih interior
I've discovered a slight problem with the handy tiled intersection
trick suggested earlier: some of my lines run exactly along a meridian
or along a parallel and so do the tiles, so those intersections get
counted twice! For example, LINESTRING(-18 14.5,-18 15.5) results in the
following
Hey,
geometry equality can be defined in many ways.
For your duplication problem, it is a simple postgres problem :
you want that for any couple (line, poly), you have at most one result
(given polygon are convex, which they are if they are squares).
so at the end of you computing you just add
