[Qgis-developer] ftools geometry check

[Jürgen E. Fischer]

Hi Carson,

On Sun, 31. Oct 2010 at 15:15:23 +0000, Carson Farmer wrote:
>    I would actually much prefer it if people didn't use the check geometry
>    tool at all :-p It was never really meant to be a long-term tool (I really
>    just created it at the time to be a quick and dirty way to find issues
>    with shapefiles), and I know that Martin and his team have created a much
>    better geometry checker (in C++) that is kicking around somewhere that
>    would be much better suited to most users needs. In actual fact, there is
>    no attempt to follow OGC standards in the ftools geometry validity tool!
>    @ Martin: What is the status of your geometry checking tool? Is there
>    anyway that this might be incorporated into trunk somehow? I think it
>    would be much better to have something a bit more compliant, stable, and
>    with a few more of the features that have been mentioned in this thread
>    (some of which I think Martin's tool already has).

Hm, then we have three.  I made QgsGeometry::validateGeometry(), when I needed
to fix a bunch of polygons and found that the node tool refused to edit broken
geometry at all.


Jürgen

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