Opened 13 years ago

Last modified 13 years ago

#3851 new enhancement

Allow tolerating self-touching rings forming holes as valid

Reported by: strk Owned by: cfarmer
Priority: major: does not work as expected Milestone: Version 1.7.0
Component: fTools Version: Trunk
Keywords: Cc:
Must Fix for Release: No Platform: Debian
Platform Version: Awaiting user input: no

Description

Self-touching rings forming holes are invalid as per OGC specifications but are valid for some other common GIS softwares.

GEOS recently introduced a flag to specify whether or not to consider them an invalidity, would be nice to have the same possibility with ftools.

Attachments (1)

matriz_epsg3763_from_grass_shp.zip (156.5 KB ) - added by lutra 13 years ago.

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Change History (3)

comment:1 by jef, 13 years ago

do you have a sample dataset?

comment:2 by lutra, 13 years ago

Hi Jurgen, attached a sample shapefile

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