[QGIS-trac] [Quantum GIS] #3518: Spatial Query not selecting points
in complex polygons
Quantum GIS
qgis at qgis.org
Wed Feb 23 09:03:48 EST 2011
#3518: Spatial Query not selecting points in complex polygons
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Reporter: fyford | Owner:
Type: bug | Status: new
Priority: major: does not work as expected | Milestone: Version 1.7.0
Component: Vectors | Version:
Keywords: Spatial Query, selection | Platform_version: 1.6
Platform: Windows | Must_fix: No
Status_info: 0 |
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Hi, I've noticed that when I select points within a polygon with a popular
GIS (debateable) I have a higher hitrate than when doing the same in QGIS.
After investigating the differences I found that with complex polygons -
see attached images (The layer used was the UK's Ordinance and Survey's
Master Map) points were ignored by QGIS and not by the other. I thought
I'd take the time to let you know.
Cheers
Francois
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Ticket URL: <https://trac.osgeo.org/qgis/ticket/3518>
Quantum GIS <http://qgis.org>
Quantum GIS is an Open Source GIS viewer/editor supporting OGR, PostGIS, and GRASS formats
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