<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br><div><div>On Mar 12, 2009, at 2:01 PM, mmacleod wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div>Good afternoon Folks.<br><br>I am trying to get the function gr2stn working in GrADS 2.0.5<br><br>I am attaching a png file that shows the area of coverage and the<br>control file so one can see the grads expression is correct.<br><br>Here is the output from the command line:<br><br>ga-> Expression = gr2stn(t,-60.05,46.16)<br>Notice: Automatic Grid Interpolation Taking Place<br>DEFINE Error: Define does not yet support station data<br> Expression results in station data object<br><br>then I cleared the display with clear command and then I get this<br><br>ga-> d gr2stn(t2,-60.05,46.16)<br>Notice: Automatic Grid Interpolation Taking Place<br>Invalid station data dimension environment</div></blockquote><br><div>The success of gr2stn depends on the dimension environment set before you invoke it. </div><div>The above expression will only work if all dims are fixed except for Z or T. </div><div>An environment in which all dimensions are fixed is an 'invalid station data dimension environment'. </div><div>--Jennifer</div><div><br></div></div><div apple-content-edited="true"> <span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><div style="word-wrap: break-word; -khtml-nbsp-mode: space; -khtml-line-break: after-white-space; "><span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><div>--</div><div>Jennifer M. Adams</div><div>IGES/COLA</div><div>4041 Powder Mill Road, Suite 302</div><div>Calverton, MD 20705</div><div><a href="mailto:jma@cola.iges.org">jma@cola.iges.org</a></div><div><br class="khtml-block-placeholder"></div><br class="Apple-interchange-newline"></span></span></div></span> </div><br></body></html>