Feature request #3851

Allow tolerating self-touching rings forming holes as valid

Added by Sandro Santilli about 6 years ago. Updated about 2 months ago.

Status:Closed
Priority:Low
Assignee:cfarmer -
Category:Processing/QGIS
Pull Request or Patch supplied: Resolution:
Easy fix?:

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.

matriz_epsg3763_from_grass_shp.zip (156 KB) Giovanni Manghi, 05/27/2011 11:30 AM

Associated revisions

Revision b9b9bc31
Added by Jürgen Fischer over 3 years ago

geometry validation: don't consider touching lines as intersection (fixes #3851, fixes #7501, fixes #9580)

History

#1 Updated by Jürgen Fischer about 6 years ago

do you have a sample dataset?

#2 Updated by Giovanni Manghi about 6 years ago

Hi Jurgen, attached a sample shapefile

#3 Updated by Giovanni Manghi over 5 years ago

  • Target version changed from Version 1.7.0 to Version 1.7.4

#4 Updated by Giovanni Manghi about 5 years ago

  • Target version changed from Version 1.7.4 to Version 2.0.0

#5 Updated by Pirmin Kalberer over 4 years ago

  • Target version changed from Version 2.0.0 to Future Release - Nice to have

#6 Updated by Jürgen Fischer over 3 years ago

  • Status changed from Open to Closed

#7 Updated by Giovanni Manghi about 2 months ago

The "ftools" category is being removed from the tracker, changing the category of this ticket to "Processing/QGIS" to not leave the category orphaned.

Also available in: Atom PDF