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"Check Geometry Validity" produces incorrect result #20830
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Author Name: Arnaud Morvan (@arnaud-morvan) The two parts of the polygon have one point in common. |
Author Name: Giovanni Manghi (@gioman) Arnaud Morvan wrote:
shoud we close this then?
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Author Name: Daniel Baston (@dbaston) That's interesting. Is the intent of the "QGIS Method" to validate against a different set of rules than GEOS / OGC? |
Author Name: Daniel Baston (@dbaston) Related to qgis/QGIS-Documentation#472
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Author Name: Jürgen Fischer (@jef-n)
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Author Name: Jürgen Fischer (@jef-n) Fixed in changeset "3eef29ab1bd4cc007b7db5012dad23d9c39e2249".
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Author Name: Daniel Baston (@dbaston)
Original Redmine Issue: 12730
Affected QGIS version: 2.8.1
The following is a valid, two-part MULTIPOLYGON:
MULTIPOLYGON (((-71.757875 44.565735, -71.748526 44.560716, -71.758014 44.564355, -71.757875 44.565735)),
((-71.760777 44.567292, -71.75725 44.56739, -71.757875 44.565735, -71.760777 44.567292)))
The "Check Geometry Validity" tool reports the following:
1,segment 0 of ring 0 of polygon 0 intersects segment 0 of ring 1 of polygon 1 at -71.757875, 44.565735
1,Geometry has 1 errors.
Using build 2863f20
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