丹麦科技大学教授写的插值工具,Fortran和.exe都有,快捷好用,英文说明如下:program for interpolating values from a grid using bilinear or
spline interpolation. the grid or the prediction points may be
c in either geographical or utm coordinates. the spline prediction
is performed in a window of size 'nsp' x 'nsp' points around thec wanted points, with typical value of nsp being 8 for a good
interpolation.
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