[Qgis-developer] (python) access to QgsHillshadeRenderer of raster layer ?
andreasplesch at gmail.com
Sun Apr 9 16:37:34 PDT 2017
wow, that's great. I will try a nightly this week.
On Sun, Apr 9, 2017 at 6:53 PM, Nyall Dawson <nyall.dawson at gmail.com> wrote:
> On 10 April 2017 at 08:30, Andreas Plesch <andreasplesch at gmail.com> wrote:
> >> Date: Sat, 8 Apr 2017 13:51:43 -0700 (MST)
> >> From: Tom Chadwin <tom.chadwin at nnpa.org.uk>
> >> They should be there:
> >> https://qgis.org/api/classQgsHillshadeRenderer.html
> > Thanks. Yes, they are there. The problem is I cannot find a way to get to
> > the QgisHillshadeRenderer itself, from the QgsRasterLayer.
> > QgsRasterLayer.renderer() only provides QgsRasterRenderer. Anyways, the
> > .writeXML approach works well enough. [ It is a bit strange that the
> > altitude is named angle as an xml attribute. ]
> > Ideally, I would want to get the lightAzimuth and lightAltitude values
> > the hillshaderendererwidget used in the layer properties gui . Is there a
> > way to get that from a processing python script (or plugin)? The idea is
> > use existing values provided in the nice existing GUIs as much as
> There was a missing sip cast for QgsHillshadeRenderer - without this
> in place you only get access to the common QgsRasterRenderer methods.
> It's fixed in https://github.com/qgis/QGIS/commit/
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