Hi Andy, Sounds like a good plan, thanks.
Hanlie > From: Andy Wilson <[email protected]> > Date: Aug 15 10:27AM -0500 > Url: http://groups.google.com/group/python-gis-sig/msg/5a4650223924c49c > > If you calculate Thiessen polygons for your 6 gauges and clip them to your > grid cell boundary then you'll be able to see how much each gauge would > contribute to the interpolated mean grid cell value. So you can just use the > areas of the polygons as weights for a weighted mean, and that should come > out the same as interpolating and then aggregating. If the position of the > gauges doesn't change, then the weights don't change so you only have to do > that once. Then you just apply your weighted mean function 730 times. > > Does that make sense or did I misunderstand something?
