<html xmlns="http://www.w3.org/1999/xhtml" xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office"><head><!--[if gte mso 9]><xml><o:OfficeDocumentSettings><o:AllowPNG/><o:PixelsPerInch>96</o:PixelsPerInch></o:OfficeDocumentSettings></xml><![endif]--></head><body><div style="font-family:verdana, helvetica, sans-serif;font-size:13px;"><div>How can I generate a spatial correlation map of precipitations from model data and observation of both model data and observation data have differing in resolution, number of grids and coordinates. I have tried to follow <a href="http://cola.gmu.edu/grads/gadoc/gradfuncscorr.html" class="enhancr_card_9718694082">GrADS Function: scorr</a> but, it needs the two data sets to have same properties (grids). Then, I tried to interpolate to same grids from <a href="http://cola.gmu.edu/grads/gadoc/gradfunclterp.html">http://cola.gmu.edu/grads/gadoc/gradfunclterp.html</a> but was ending with a file with entire grid undefined. Also I tried <a href="http://www.opengrads.org/doc/udxt/re/re.html" class="enhancr_card_9182572840">re.gex - A 2D regridding function for GrADS</a> but it could not work.</div><div>Please help.</div><div><br></div><div id="ydpcba949e3enhancr_card_9182572840" class="ydpcba949e3yahoo-link-enhancr-card ydpcba949e3yahoo-link-enhancr-not-allow-cover ydpcba949e3ymail-preserve-class ydpcba949e3ymail-preserve-style" style="max-width:400px;font-family:Helvetica Neue, Helvetica, Segoe UI, Arial, sans-serif;" data-url="http://www.opengrads.org/doc/udxt/re/re.html" data-type="YENHANCER" data-size="MEDIUM" contenteditable="false"><a href="http://www.opengrads.org/doc/udxt/re/re.html" style="text-decoration:none !important;color:#000 !important;" class="ydpcba949e3yahoo-enhancr-cardlink" rel="nofollow" target="_blank"><table border="0" class="ydpcba949e3card-wrapper ydpcba949e3yahoo-ignore-table" cellpadding="0" cellspacing="0" style="max-width:400px;"><tbody><tr><td width="400"><table border="0" class="ydpcba949e3card ydpcba949e3yahoo-ignore-table" cellpadding="0" cellspacing="0" width="100%" style="max-width:400px;border-width:1px;border-style:solid;border-color:rgb(224, 228, 233);border-radius:2px;"><tbody><tr><td><table border="0" class="ydpcba949e3card-info ydpcba949e3yahoo-ignore-table" cellpadding="0" cellspacing="0" style="background:#fff;position:relative;z-index:2;width:100%;max-width:400px;border-radius:0 0 2px 2px;border-top:1px solid rgb(224, 228, 233);"><tbody><tr><td style="background-color:#ffffff;padding:16px 0 16px 12px;vertical-align:top;border-radius:0 0 0 2px;"></td><td style="vertical-align:middle;padding:12px 24px 16px 12px;width:99%;font-family:Helvetica Neue, Helvetica, Segoe UI, Arial, sans-serif;border-radius:0 0 2px 0;"><h2 class="ydpcba949e3card-title" style="font-size: 14px; line-height: 19px; margin: 0px 0px 6px; font-family: "Helvetica Neue", Helvetica, "Segoe UI", Arial, sans-serif; color: rgb(38, 40, 42);">re.gex - A 2D regridding function for GrADS</h2><p class="ydpcba949e3card-description" style="font-size: 12px; line-height: 16px; margin: 0px; color: rgb(151, 155, 167);"></p></td></tr></tbody></table></td></tr></tbody></table></td></tr></tbody></table></a></div><div><br></div><div><br></div><div id="ydpcdf9c91enhancr_card_9414680437" class="ydpcdf9c91yahoo-link-enhancr-card ydpcdf9c91yahoo-link-enhancr-not-allow-cover ydpcdf9c91ymail-preserve-class ydpcdf9c91ymail-preserve-style" style="max-width:400px;font-family:Helvetica Neue, Helvetica, Segoe UI, Arial, sans-serif;" data-url="http://cola.gmu.edu/grads/gadoc/gradfunclterp.html" data-type="YENHANCER" data-size="MEDIUM" contenteditable="false"><a href="http://cola.gmu.edu/grads/gadoc/gradfunclterp.html" style="text-decoration:none !important;color:#000 !important;" class="ydpcdf9c91yahoo-enhancr-cardlink" rel="nofollow" target="_blank"><table border="0" class="ydpcdf9c91card-wrapper ydpcdf9c91yahoo-ignore-table" cellpadding="0" cellspacing="0" style="max-width:400px;"><tbody><tr><td width="400"><table border="0" class="ydpcdf9c91card ydpcdf9c91yahoo-ignore-table" cellpadding="0" cellspacing="0" width="100%" style="max-width:400px;border-width:1px;border-style:solid;border-color:rgb(224, 228, 233);border-radius:2px;"><tbody><tr><td><table border="0" class="ydpcdf9c91card-info ydpcdf9c91yahoo-ignore-table" cellpadding="0" cellspacing="0" style="background:#fff;position:relative;z-index:2;width:100%;max-width:400px;border-radius:0 0 2px 2px;border-top:1px solid rgb(224, 228, 233);"><tbody><tr><td style="background-color:#ffffff;padding:16px 0 16px 12px;vertical-align:top;border-radius:0 0 0 2px;"></td><td style="vertical-align:middle;padding:12px 24px 16px 12px;width:99%;font-family:Helvetica Neue, Helvetica, Segoe UI, Arial, sans-serif;border-radius:0 0 2px 0;"><h2 class="ydpcdf9c91card-title" style="font-size: 14px; line-height: 19px; margin: 0px 0px 6px; font-family: "Helvetica Neue", Helvetica, "Segoe UI", Arial, sans-serif; color: rgb(38, 40, 42);">lterp</h2><p class="ydpcdf9c91card-description" style="font-size: 12px; line-height: 16px; margin: 0px; color: rgb(151, 155, 167);"></p></td></tr></tbody></table></td></tr></tbody></table></td></tr></tbody></table></a></div><div><br></div><div><br></div><div><br></div><div id="ydp2f15cb7fenhancr_card_9718694082" class="ydp2f15cb7fyahoo-link-enhancr-card ydp2f15cb7fyahoo-link-enhancr-not-allow-cover ydp2f15cb7fymail-preserve-class ydp2f15cb7fymail-preserve-style" style="max-width:400px;font-family:Helvetica Neue, Helvetica, Segoe UI, Arial, sans-serif;" data-url="http://cola.gmu.edu/grads/gadoc/gradfuncscorr.html" data-type="YENHANCER" data-size="MEDIUM" contenteditable="false"><a href="http://cola.gmu.edu/grads/gadoc/gradfuncscorr.html" style="text-decoration:none !important;color:#000 !important;" class="ydp2f15cb7fyahoo-enhancr-cardlink" rel="nofollow" target="_blank"><table border="0" class="ydp2f15cb7fcard-wrapper ydp2f15cb7fyahoo-ignore-table" cellpadding="0" cellspacing="0" style="max-width:400px;"><tbody><tr><td width="400"><table border="0" class="ydp2f15cb7fcard ydp2f15cb7fyahoo-ignore-table" cellpadding="0" cellspacing="0" width="100%" style="max-width:400px;border-width:1px;border-style:solid;border-color:rgb(224, 228, 233);border-radius:2px;"><tbody><tr><td><table border="0" class="ydp2f15cb7fcard-info ydp2f15cb7fyahoo-ignore-table" cellpadding="0" cellspacing="0" style="background:#fff;position:relative;z-index:2;width:100%;max-width:400px;border-radius:0 0 2px 2px;border-top:1px solid rgb(224, 228, 233);"><tbody><tr><td style="background-color:#ffffff;padding:16px 0 16px 12px;vertical-align:top;border-radius:0 0 0 2px;"></td><td style="vertical-align:middle;padding:12px 24px 16px 12px;width:99%;font-family:Helvetica Neue, Helvetica, Segoe UI, Arial, sans-serif;border-radius:0 0 2px 0;"><h2 class="ydp2f15cb7fcard-title" style="font-size: 14px; line-height: 19px; margin: 0px 0px 6px; font-family: "Helvetica Neue", Helvetica, "Segoe UI", Arial, sans-serif; color: rgb(38, 40, 42);">GrADS Function: scorr</h2><p class="ydp2f15cb7fcard-description" style="font-size: 12px; line-height: 16px; margin: 0px; color: rgb(151, 155, 167);"></p></td></tr></tbody></table></td></tr></tbody></table></td></tr></tbody></table></a></div><div><br></div><div><br></div></div></body></html>