[Qgis-developer] [Qgis-user] Fwd: Merging polygons leaves isolated lines

[Paolo Cavallini]

Il 16/01/2014 07:53, Paolo Cavallini ha scritto:
> Il 15/01/2014 21:06, Richard Duivenvoorde ha scritto:
>> On 15-01-14 19:28, Lynkos wrote:
>>> Thanks Paolo for the rapid response. It does look as though my problem
>>> is related. Any guidance on how I can clean up the original shapefile?
>>> Sarah.
>>
>> Hi All,
>>
>> People from the Technical University Delft have created an automated way
>> for: "Validation and Automatic Repair of Planar Partitions". It is
>> called 'pprepair'.
>>
>> I'm not 100% sure it fixes your problem, but as a commandline tool it is
>> pretty easy to run.
>>
>> It's pure c++ but has cgal as dependency. On debian it was 2 minutes to
>> build and run.
>>
>> Code is here:
>> https://github.com/tudelft-gist/pprepair
>>
>> Some theory:
>> http://www.gdmc.nl/ken/files/12_osgis.pdf
>>
>> And Barry blogging about it:
>> http://geospaced.blogspot.nl/2012/09/fixing-polygons-with-pprepair.html
>>
>> If interesting, have it a go.
>>
>> Regards,
>>
>> Richard Duivenvoorde
>>
>> ps actually I promised the TU people to write a simple qgis plugin for
>> calling it in a separate process (like we do with gdal commands), so if
>> you are on it.....
> 
> good stuff! a Processing provider would be much welcome. The
> availability of packages for many platforms will be the limiting factor
> for its spread, however. Do you know if the authors have plans to
> package it for e.g. Debian and OSGeo4W?

Hi all.
Any progress on this?
All the best.

-- 
Paolo Cavallini - www.faunalia.eu
QGIS & PostGIS courses: http://www.faunalia.eu/training.html