<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Hi Dennis,<div> Please see test results. Both figures are from same file ( 144X90,without missing values). Figure1 is using lap.f90, second one is using ncl function lapsF to calculate laplacian. </div><div> How do you evaluate the lap.f90? </div><div> Thanks</div><div>Mingxuan</div><div><br></div><div>Fig1</div><div></div></body></html>