Question of natgrid

Hi users,
  I have a question about natgrid interpolation. When I use natgrid to
interpolate, I give 100 new coordinates to interpolate. However, I got
100X100 new value after interpolation. Could anyone please explain me why I
get 10000 new values instead of 100 new values? My goal is interpolate 161
value with lat and lon to 45320 new coordinates. When I try to use 45320 new
coordinates in the script, the program will crash because of huge
calculation (45320x45320?). My new coordinates is irregularly spaced grid.
Thus, I have tried dspnt2 for interpolation, but the result is not
satisfying. Except dspnt2 and natgrid, could anyone please give me some
advice to process the interpolation? Thank you.

-- 
Best regards
Wei-Chih

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Received on Sun May 15 19:45:56 2011