topic setting a value to null using Raster Calculator in ArcGIS Spatial Analyst Questions https://community.esri.com/t5/arcgis-spatial-analyst-questions/setting-a-value-to-null-using-raster-calculator/m-p/762731#M11029 <HTML><HEAD></HEAD><BODY><SPAN>Hi there,</SPAN><BR /><BR /><SPAN>I was wondering if someone could help me convert all -1 to null in my aspect raster using raster calculator.&nbsp; I want to maintain all the rest of the aspect values except those that equal -1 (flat).&nbsp; Your help will be greatly appreciated.</SPAN><BR /><BR /><SPAN>Thank you,</SPAN><BR /><BR /><SPAN>Courtney</SPAN></BODY></HTML> Wed, 12 May 2010 21:06:23 GMT CourtneyJermyn 2010-05-12T21:06:23Z setting a value to null using Raster Calculator https://community.esri.com/t5/arcgis-spatial-analyst-questions/setting-a-value-to-null-using-raster-calculator/m-p/762731#M11029 <HTML><HEAD></HEAD><BODY><SPAN>Hi there,</SPAN><BR /><BR /><SPAN>I was wondering if someone could help me convert all -1 to null in my aspect raster using raster calculator.&nbsp; I want to maintain all the rest of the aspect values except those that equal -1 (flat).&nbsp; Your help will be greatly appreciated.</SPAN><BR /><BR /><SPAN>Thank you,</SPAN><BR /><BR /><SPAN>Courtney</SPAN></BODY></HTML> Wed, 12 May 2010 21:06:23 GMT https://community.esri.com/t5/arcgis-spatial-analyst-questions/setting-a-value-to-null-using-raster-calculator/m-p/762731#M11029 CourtneyJermyn 2010-05-12T21:06:23Z Re: setting a value to null using Raster Calculator https://community.esri.com/t5/arcgis-spatial-analyst-questions/setting-a-value-to-null-using-raster-calculator/m-p/762732#M11030 <HTML><HEAD></HEAD><BODY><SPAN>SETNULL([aspect] == -1, [aspect])</SPAN></BODY></HTML> Wed, 12 May 2010 22:14:34 GMT https://community.esri.com/t5/arcgis-spatial-analyst-questions/setting-a-value-to-null-using-raster-calculator/m-p/762732#M11030 JeffreyEvans 2010-05-12T22:14:34Z