Hi ! No one on this ?
Best, Olivier 2015-04-14 13:48 GMT+02:00 Olivier Dalang <olivier.dal...@gmail.com>: > Dear list, > > I need to be able to update a worldfile and see the changes reflected in > QGIS. > > Actually, it almost works. The worldfile is reread on each refresh, and my > changes are correctly taken into account. > But the extent of the raster is not refreshed, so the raster is cropped to > it's initial extent. When zoomed in, and doing some small adjustments, it's > not a problem, but when doing bigger changes on the worldfile, the raster > can even become completely invisible. > > > The only workaround I found was to remove the raster and re-add it > completely on each mapcanvas change. But it's an overkill and has a lot of > drawbacks (styling, CRS, etc...) > > I tried those functions to refresh the extent : > > myRasterLayer.triggerRepaint() > myRasterLayer.dataProvider().reload() > myRasterLayer.recalculateExtents.emit() > self.iface.mapCanvas().refresh() > > But none of them seem to do the trick... Am I missing the correct method ? > > Thanks !! > > Olivier > >
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