<HTML><BODY DEFANGED_STYLE="word-wrap: break-word; -khtml-nbsp-mode: space; -khtml-line-break: after-white-space; ">Does anyone know how to extract the value of a cell at given coordinates from a raster layer? I am writing a script that will calculate the spatial mean for a given raster layer. Therefore, I need to be able to access the values of raster cells. <DIV><BR class="khtml-block-placeholder"></DIV><DIV>Thanks, </DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>- Jason</DIV><BR><BR><DIV> <P DEFANGED_STYLE="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Helvetica" size="3" DEFANGED_STYLE="font: 12.0px Helvetica">Jason Horn</FONT></P> <P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Helvetica" size="3" style="font: 12.0px Helvetica">Boston University Department of Biology</FONT></P> <P DEFANGED_STYLE="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Helvetica" size="3" style="font: 12.0px Helvetica">5 Cumington Street<SPAN class="Apple-converted-space"> </SPAN>Boston, MA 02215</FONT></P> <P DEFANGED_STYLE="margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px Helvetica; min-height: 14.0px"><BR></P> <P DEFANGED_STYLE="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Helvetica" size="3" DEFANGED_STYLE="font: 12.0px Helvetica"><A href="mailto:jhorn@bu.edu">jhorn@bu.edu</A></FONT></P> <P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Helvetica" size="3" style="font: 12.0px Helvetica">office: 617 353 6987</FONT></P> <P DEFANGED_STYLE="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Helvetica" size="3" style="font: 12.0px Helvetica">cell: 401 588 2766</FONT></P> <BR class="Apple-interchange-newline"> </DIV><BR></BODY></HTML>