[Qgis-user] create clean knot-edge-model

[Christoph Jung]

Thank you, Nicolas. I will have a look on all. 

Sincerely,
Christoph

> Am 27.07.2019 um 17:02 schrieb Nicolas Cadieux <nicolas.cadieux at archeotec.ca>:
> 
> Btw Christoph,
> 
> If you have multiple shortest path routes to figure out (as in hundreds, millions, or billions in my case), contact me.  I am working on a python script to do that.
> 
> Nicolas 
> 
>> Le 27 juill. 2019 à 10:56, Nicolas Cadieux <nicolas.cadieux at archeotec.ca> a écrit :
>> 
>> Hi,
>> You have multiple plugins and tools available.  You can download the following plugins:
>> 
>> Geometry Checker
>> Topology Checker
>> 
>> Look in the main menu or in the processing tool box for the following:
>> 
>> Multipart to Singlepart
>> Check validity (use both methods)
>> Remove duplicate vertices
>> Deleted duplicate geometries 
>> Snap geometries to layer, (search for snap in processing)
>> V.clean (break an snap,rmdangles....) see the cleaning tools.
>> 
>> Some of these are unstable like check Geometries.  Try fixing one problem at a time for better stability.
>> Nicolas
>> 
>> 
>>> Le 27 juill. 2019 à 06:31, Christoph Jung <jagodki.cj at gmail.com> a écrit :
>>> 
>>> Hello at all,
>>> 
>>> does anybody know, if QGIS has a function to create a clean knot-edge-model from an unclean road network? PostGIS provides the function createTopology to achieve it, has QGIS an equivalent function?
>>> 
>>> Sincerely,
>>> Christoph
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