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concerns the methodologies and processes for managaing geospatial data
6
votes
Accepted
Managing large data files, vector and raster, in QGIS 3
For your contours, you can
use simple scale dependent visibility to turn the layer off when zoomed out too far
build a spatial index
you could also try a rule-based symbology to limit the contour i …
3
votes
When a raster is clipped to a polygon with Python, why does it still take on the extent of t...
You are setting the extent to the entire featureclass "clipto". Instead, set the extent to that of the "clipgeo" geometry - i.e. extent=str(row.getvalue(shape).extent) or extent=str(clipgeo.extent)
Y …