[gdal-dev] gdal_grid: how to choose ellipse radius

[laura0]

Hi all,
I am investigating Nearest neighbor algorithm of gdal_grid. 
The search ellipse is described by the three parameters:
radius1, radius2, angle .
My target is to get a regular grid as similar as possible at the original
cloud of point, with the same values (no interpolation, so I choose the
Nearest neighbor algorithm) . Which are the more appropriate parameters for
this purpose? 

Many thanks,
Laura



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