<p dir="ltr"><br>
On 25 Oct 2015 07:44, "magerlin" <<a href="mailto:MAP@ramboll.dk">MAP@ramboll.dk</a>> wrote:<br>
><br>
> To get meters from $length in field calculator the layer or project CRS (if<br>
> OTF is on) has to use the unit meters.<br>
><br>
> But the Measure Tool can return meters nomatter CRS, so why can't Field<br>
> Calculator?</p>
<p dir="ltr">No reason, except that no one's implemented/fixed this yet.</p>
<p dir="ltr">Nyall</p>
<p dir="ltr">><br>
> Or rather shouldn't there be a $length(unit) function? (for meters, feet,<br>
> nautic miles etc.)<br>
><br>
> I can't think of any situation, where a length expressed in degrees is<br>
> usable?<br>
><br>
> I have searched Grass, OGR and SAGA in Processing but have not been able to<br>
> find any algorithms returning meters there either?<br>
><br>
> The might be an issue on accuracy, but if that is just stated I think we can<br>
> live with that?<br>
><br>
><br>
><br>
> -----<br>
> Regards Morten<br>
><br>
> Currently using Qgis 2.10.1 (OSGeo4),<br>
> Windows 7, 64bit<br>
> --<br>
> View this message in context: <a href="http://osgeo-org.1560.x6.nabble.com/When-Measure-Tool-can-return-meters-nomatter-CRS-why-can-t-Field-Calculator-tp5232383.html">http://osgeo-org.1560.x6.nabble.com/When-Measure-Tool-can-return-meters-nomatter-CRS-why-can-t-Field-Calculator-tp5232383.html</a><br>
> Sent from the Quantum GIS - User mailing list archive at Nabble.com.<br>
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