[Qgis-developer] A suggestion for "Scale and measurement"

Borys Jurgiel borysiasty at aster.pl
Sat Aug 8 05:24:46 EDT 2009

Saturday 08 of August 2009 11:13:59 Carson Farmer napisał(a):
> When no units are known (i.e. no CRS info with the layer), what about 
> Martin's previous suggestions of 'Unknown' units? 

And what about automatic unit switching depending on the layer  range? As long 
values are <= +-180, it can be considered as degrees. If the coordinates are > 
180, the unit could be set to meters or feet depending on the user settings, as 
Magnus said ('We also add another selector (maybe in global options instead of 
project options?) called "Measurement presentation units:  (*) Metric  (*) 

> > b) OTFP is on and the map CRS is geo (such as WGS84). Should we use 
> > sq. degrees or should we
> > convert distances/areas on an ellipsoid?
> I my opinion we should do the latter,


> . Thoughts? It would be great if 
> this made it in time for this next release...


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