> I have an array of data for a global grid at 1 degree resolution. It's > filled with 1s and 0s, and it is just a land sea mask (not only, but > as an example). I want to be able to regrid the data to higher or > lower resolutions (i.e. 0.5 or 2 degrees). But if I try to use any > standard interp functions, such as mpl_toolkits.basemap.interp it > fails -- I assume due to the data being binary. > > I guess there may be a fairly easy routine to do this?? Does someone > have an example? >
When I've had to do this, I typically set Basemap's interp to do nearest-neighbor interpolation (by setting order=0). It defaults to order=1, which is bilinear interpolation, which will destroy the binary nature of your data (as you perhaps noticed). Tim _______________________________________________ NumPy-Discussion mailing list NumPy-Discussion@scipy.org http://mail.scipy.org/mailman/listinfo/numpy-discussion
