[Qgis-developer] PyQGIS : QgsMapRender does not project layers

Thu, 03 Oct 2013 08:32:33 -0700 

Hi all,

I encounter some difficulties with QGIS 2.
I have some code which rendering well layers in a PNg image, but now it does not project layers : 

    # create renderer
    render = QgsMapRenderer()

    # set output size
    render.setOutputSize(img.size(), img.logicalDpiX())
outputCrs = QgsCoordinateReferenceSystem(3857, QgsCoordinateReferenceSystem.EpsgCrsId) 
    render.setDestinationCrs(outputCrs)
    render.setProjectionsEnabled( True )

    # set map units to get labels from new label engine
    render.setMapUnits(outputCrs.mapUnits())
    render.setOutputUnits(QgsMapRenderer.Millimeters)
    render.updateScale()
    labeling = QgsPalLabeling()
    render.setLabelingEngine(labeling)

    p = QPainter()
    p.begin(self.img)
    p.setRenderHint(QPainter.Antialiasing)

    render.setLayerSet(lst)

    render.setExtent(rect)

    # do the rendering
    render.render(self.p)
    # end
    p.end()

What I missed ?

René-Luc D'Hont
3Liz
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