[gdal-dev] Wondering gdal_grid moving average interpolation

[Rutger]

It looks alright to me. The moving average algorithm searches (for each
pixel) for points within the specified radius, and then averages the values
of all those points.

"gdal_grid" also supports inverse distance or linear interpolation if you
want a more smooth result. 

It is perhaps surprising that QGIS only exposes a small subset of
gdal_grid's capabilities. 



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Sent from: http://osgeo-org.1560.x6.nabble.com/GDAL-Dev-f3742093.html