[Qgis-developer] QGIS 1.8 - check geometry validity not working

[a.furieri at lqt.it]

On Mon, 7 May 2012 16:31:14 +0200, Pasquale Di Donato wrote:
> Il 07 maggio 2012 16:15, Salvatore Larosa <lrssvtml at gmail.com> ha 
> scritto:
>> Il giorno lun, 07/05/2012 alle 16.01 +0200, Pasquale Di Donato ha
>> scritto:
>>> Same dataset in QGIS and in OpenJump.
>>> The last finds 4 geometric errors. QGIS..none!!!
>>
>> Can you share the dataset?
>> Just a small sample to reproduce!
>
> http://www.padido.eu/gfoss/data.tar.gz
>

Hi Pasquale,

just FYI there are *five* geometric errors in your sample:
at least, this accordingly to SpatiaLite ST_IsValid()
[based on GEOS 3.3.3]

rowid=104 Queens / Howard Beach
Self-intersection at or near point 597264.08336830535 
4499924.5422885586

rowid=124 Queens / Corona
Self-intersection at or near point 595483.05876413803 
4513817.9535078695

rowid=125 Brooklyn / Red Hook
Self-intersection at or near point 584306.82037598593 
4502360.5177495563

rowid=126 Queens / Douglastown-Little Neck
Self-intersection at or near point 607230.60658880824 
4508695.5967170279

rowid=128 Queens / Steinway
Self-intersection at or near point 593198.81389988924 
4515125.3787500784

bye Sandro

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