topic Re: Trouble executing expression in raster calculator in ArcGIS Spatial Analyst Questions https://community.esri.com/t5/arcgis-spatial-analyst-questions/trouble-executing-expression-in-raster-calculator/m-p/610789#M8904 <HTML><HEAD></HEAD><BODY><BLOCKQUOTE class="jive-quote"><BR /><BR /><SPAN style="color:blue;">"flowtopo" * "K_factor_100" * "C_factor_1000" * 280 * Cos((("Aspect") * (-1)) + 450) * .01745)</SPAN><BR /><BR />However, everytime I try I get error 00539: Error running expression: rcexec.<BR /></BLOCKQUOTE><BR /><BR /><SPAN>I counted up your parens (an old trick) and didn't see any issues. I would check to make sure all of your strings map directly to raster layers in your ArcMap session. Maybe you mispelled one?</SPAN></BODY></HTML> Thu, 07 Mar 2013 03:55:39 GMT curtvprice 2013-03-07T03:55:39Z Trouble executing expression in raster calculator https://community.esri.com/t5/arcgis-spatial-analyst-questions/trouble-executing-expression-in-raster-calculator/m-p/610788#M8903 <HTML><HEAD></HEAD><BODY><SPAN>Hi all,</SPAN><BR /><BR /><SPAN>I am trying to execute this expression in raster calculator:</SPAN><BR /><BR /><SPAN>"flowtopo" * "K_factor_100" * "C_factor_1000" * 280 * Cos((("Aspect") * (-1)) + 450) * .01745)</SPAN><BR /><BR /><SPAN>However, everytime I try I get error 00539: Error running expression: rcexec.</SPAN><BR /><BR /><SPAN>Can someone tell me where I am going wrong? </SPAN><BR /><BR /><SPAN>Thanks</SPAN></BODY></HTML> Tue, 05 Mar 2013 09:03:39 GMT https://community.esri.com/t5/arcgis-spatial-analyst-questions/trouble-executing-expression-in-raster-calculator/m-p/610788#M8903 LaurenRoss1 2013-03-05T09:03:39Z Re: Trouble executing expression in raster calculator https://community.esri.com/t5/arcgis-spatial-analyst-questions/trouble-executing-expression-in-raster-calculator/m-p/610789#M8904 <HTML><HEAD></HEAD><BODY><BLOCKQUOTE class="jive-quote"><BR /><BR /><SPAN style="color:blue;">"flowtopo" * "K_factor_100" * "C_factor_1000" * 280 * Cos((("Aspect") * (-1)) + 450) * .01745)</SPAN><BR /><BR />However, everytime I try I get error 00539: Error running expression: rcexec.<BR /></BLOCKQUOTE><BR /><BR /><SPAN>I counted up your parens (an old trick) and didn't see any issues. I would check to make sure all of your strings map directly to raster layers in your ArcMap session. Maybe you mispelled one?</SPAN></BODY></HTML> Thu, 07 Mar 2013 03:55:39 GMT https://community.esri.com/t5/arcgis-spatial-analyst-questions/trouble-executing-expression-in-raster-calculator/m-p/610789#M8904 curtvprice 2013-03-07T03:55:39Z