I don't remember more than i wrote in comments and i don't know if it is still necessary. Better to keep it i think, but it could be done optional.
Radim On Oct 15, 2018 01:54, "Nyall Dawson" <nyall.daw...@gmail.com> wrote: > On Fri, 12 Oct 2018 at 20:48, Richard Duivenvoorde <rdmaili...@duif.net> > wrote: > > which is the whole of the Netherlands (in a 10x10 pixel output??) and > > after that a more proper bbox. > > I can't explain the background here, but it seems deliberate. There's > a comment before this request is made: > > " > // It may happen (GeoServer) that extent reported in > spatialDomain.Envelope is larger > // than the coverage. Then if that larger BBOX is requested, the > server returns > // request BBOX intersected with coverage box scaled to requested > WIDTH and HEIGHT. > // GDAL WCS client does not suffer from this probably because it > probably takes > // extent from lonLatEnvelope (it probably does not calculate it from > // spatialDomain.RectifiedGrid because calculated value is slightly > different). > > // To get the true extent (it can also be smaller than real if > reported Envelope is > // than real smaller, but smaller is safer because data cannot be > shifted) we make > // request of the whole extent cut the extent from > spatialDomain.Envelope if > // necessary" > > getCache( 1, mCoverageExtent, 10, 10 ); > > > Radim may know more and may be able to explain if this workaround is > still necessary > > > Nyall > > > > > Is this supposed to go like this? > > I reckon that (if the WCS data does not have overviews), loading the > > whole dataset all the time is pretty intensive. > > > > Anybody more familiar with this can tell something about this? > > > > Regards, > > > > Richard Duivenvoorde > > _______________________________________________ > > QGIS-Developer mailing list > > QGIS-Developer@lists.osgeo.org > > List info: https://lists.osgeo.org/mailman/listinfo/qgis-developer > > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-developer >
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