Hi! Try Quick map Services plugin- I use it in my project with local Polish crs (epsg 2180) and everything works-units are meters, measure tools and calculations made with field calculator are correct, in project settings I had to set: crs on the fly, than I could choose epsg 2180.
24 paź 2015 20:55 magerlin <m...@ramboll.dk> napisał(a): > > I am a bit confused about what the unit of length is determined by: CRS for > layer or CRS for project (when OTF is on). > > This post > <http://osgeo-org.1560.x6.nabble.com/RE-How-Do-I-Set-Field-Calculator-Units-For-Area-td4128975.html#a4128979> > > claims: "Calculations are in the project CRS unit if OTFR is enabled" > > I have loaded OSM shapefiles from geofabrik.de which come in lat/lon (EPSG: > 4326). > > But since I show it on top of an OSM map using the OpenLayers plugin, the > project CRS is set to EPSG: 3857 (WGS 84 / Pseudo Mercator) and OTF is set > on. > > EPSG: 3857 has in its definition "+units=m". > > But when I in field calculator calculates the length using $length, the > lenght of a road section which is about 100 m long is calculated as about > 0.001. > > This indicates for me that it is calculated in degrees (due to the layer > CRS?) > > Using the Qgis measure tool (with units set to meters) gives the expected > length of 100 m. > > ----- > Regards Morten > > Currently using Qgis 2.10.1 (OSGeo4), > Windows 7, 64bit > -- > View this message in context: > http://osgeo-org.1560.x6.nabble.com/Unit-of-length-determined-by-layer-or-project-CRS-OTF-on-tp5232374.html > Sent from the Quantum GIS - User mailing list archive at Nabble.com. > _______________________________________________ > Qgis-user mailing list > Qgis-user@lists.osgeo.org > http://lists.osgeo.org/mailman/listinfo/qgis-user _______________________________________________ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
