[Qgis-developer] Testing new network analyses

Alexander Bruy alexander.bruy at gmail.com
Sun Dec 25 23:25:52 PST 2016


Hi Paolo,

2016-12-24 12:25 GMT+02:00 Paolo Cavallini <cavallini at faunalia.it>:
> * I cannot get meaningful convex hullsfor the two service area algs.
> I'm probably not understanting how the area algs work. Alex, could you
> please give a quick explanation, or point to an existing one, and/or
> share a sample project and params?

Here is short explanation from ArcGIS documentation
http://desktop.arcgis.com/en/arcmap/latest/extensions/network-analyst/service-area.htm

Also note that convex hull used only as example, you can get more
accurate result
using boundary points and apply more sophisticated algorithm to them.


-- 
Alexander Bruy


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