[Qgis-developer] save layer as dxf

[Bernhard Ströbl]

I opened a ticket: http://hub.qgis.org/issues/14506

Bernhard

Am 14.03.2016 um 10:33 schrieb Bernhard Ströbl:
> Hi,
>
> I decided to post this on the dev list and not on the user's list.
> Problem description: task is to export a single layer to dxf, CRS of
> both, the project and the layer is EPSG:25832 (units = metres). Using
> layer - save as with dxf results in a dxf file with units = inches
> (although exported coordinates are EPSG:25832 coordinates, i.e. units
> should be metres). Digging into this I found the description on the ogr
> side [1] explainig that the default is "English - Inches". To use other
> units one needs to use a different header file. But there is no way to
> tell QGIS to do so (except I am missing something). IMHO this behaviour
> is very counterintuitive, leeds to wrong results and is not really
> solveable from a user's point of view (change the header file being
> installed with QGIS, or change the resulting dxf with an editor).
>
> I see these possible solutions
> 1) delete this option completely as we now have the dxf export function
> 2) enable the user to choose a header file and use the default only if
> left blank
> 3) automatically change all units in the resulting dxf file to the ones
> used in the chosen CRS
>
> I would opt for solution 3 if we do not follow solution 1
>
> tested with QGIS 2.8.3 on Win7 and QGIS 2.14.0 on Ubuntu
>
> is this worth a ticket?
>
> Bernhard
>
> [1] http://www.gdal.org/drv_dxf.html
>
>
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