[Qgis-developer] Testing new network analyses

[Paolo Cavallini]

Il 14/12/2016 09:04, Paolo Cavallini ha scritto:
> Hi Alexander,
> 
> Il 14/12/2016 08:08, Alexander Bruy ha scritto:
> 
>> 2016-12-13 20:44 GMT+02:00 Paolo Cavallini <cavallini at faunalia.it>:
>>> just compiled, testing the new functions, but I cannot get any result,
>>> starting from OSM unprojected data. Anyone more lucky?
> 
>> I have used RoadGraph plugin several times with OSM data and it worked fine.
>> Also I tested Processing algs with projected and not projected OSM data, it
>> also worked for me. Maybe your points are placed too far from roads or network
>> itself contains gaps? In this case adjusting topology tolerance may help.
> 
> I am aware of the issue, I tried increasing tolerance, with no results.
> That happened with EPSG:4326; when switching to a metric CRS, it works.

However, when it does not:
* no message is sent to the user
* start and end points are not displayed on the canvas
* the shortest path, if created, does not have a distinctive style;
so it is not easy to understand what happens.
Sorry for appearing critical, I found it great to have this in Processing!
All the best.
-- 
Paolo Cavallini - www.faunalia.eu
QGIS & PostGIS courses: http://www.faunalia.eu/training.html
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