On 26-10-15 08:48, kimaidou wrote: > Hi all > > Someone reported to me an issue with $length distance calculation and > the "Distance" map tool. It seems to him QGIS was not precise enough > compared to field data collection (about 10% or worst discrepency) > > I remember reading some discussions here about wrong distance > calculations in some contexts. > Has anyone a "cookbook" or good practices about distance calculations in > QGIS, regarding different data sources, contexts, SCR, etc. ( on the fly > reprojection or not, data provider, etc.)
I know Nyall has been busy with this (see hist posts in both dev and user list). Regards, Richard _______________________________________________ Qgis-developer mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/qgis-developer
