topic Re: Sum multiple Rasters in ArcGIS Spatial Analyst Questions https://community.esri.com/t5/arcgis-spatial-analyst-questions/sum-multiple-rasters/m-p/526937#M7628 <HTML><HEAD></HEAD><BODY><A class="jive-link-external-small" href="http://help.arcgis.com/en/arcgisdesktop/10.0/help../index.html#//009z000000z7000000.htm" rel="nofollow" target="_blank">Raster Calculator</A><SPAN>: "timeA"+"timeB"+"timeC"+"timeD"</SPAN></BODY></HTML> Mon, 03 Feb 2014 19:00:09 GMT Luke_Pinner 2014-02-03T19:00:09Z Sum multiple Rasters https://community.esri.com/t5/arcgis-spatial-analyst-questions/sum-multiple-rasters/m-p/526936#M7627 <HTML><HEAD></HEAD><BODY><SPAN>Hey folks, </SPAN><BR /><BR /><SPAN>silly question here, but I can't seem to find an easy answer.&nbsp; I'm using Arc 10.0... </SPAN><BR /><BR /><SPAN>I have several rasters that are a series of floating point values (several hundred thousand points) where each point is an elevation change over a period of time (i.e. raster1=timeA-timeB, raster2=timeB-timeC, etc...).&nbsp; Each raster has the same extent, and same number of points (in the same locations).&nbsp; </SPAN><BR /><BR /><SPAN>I want to sum these rasters together (i.e. rastersum=timeA-timeD).&nbsp; I can use the "Plus" feature in Spatial Analyst, but that only allows you to add two rasters at a time.&nbsp; Even doing a batch process with Plus is a multi-step process...</SPAN><BR /><BR /><SPAN>Is there a simpler way (i.e. non-python) that allows me to do this?&nbsp; I'm assuming there is, but I haven't stumbled upon it yet.&nbsp; </SPAN><BR /><BR /><SPAN>Thanks!</SPAN></BODY></HTML> Mon, 03 Feb 2014 14:49:53 GMT https://community.esri.com/t5/arcgis-spatial-analyst-questions/sum-multiple-rasters/m-p/526936#M7627 JustinBrandt 2014-02-03T14:49:53Z Re: Sum multiple Rasters https://community.esri.com/t5/arcgis-spatial-analyst-questions/sum-multiple-rasters/m-p/526937#M7628 <HTML><HEAD></HEAD><BODY><A class="jive-link-external-small" href="http://help.arcgis.com/en/arcgisdesktop/10.0/help../index.html#//009z000000z7000000.htm" rel="nofollow" target="_blank">Raster Calculator</A><SPAN>: "timeA"+"timeB"+"timeC"+"timeD"</SPAN></BODY></HTML> Mon, 03 Feb 2014 19:00:09 GMT https://community.esri.com/t5/arcgis-spatial-analyst-questions/sum-multiple-rasters/m-p/526937#M7628 Luke_Pinner 2014-02-03T19:00:09Z Re: Sum multiple Rasters https://community.esri.com/t5/arcgis-spatial-analyst-questions/sum-multiple-rasters/m-p/526938#M7629 <HTML><HEAD></HEAD><BODY><BLOCKQUOTE class="jive-quote"><A href="http://help.arcgis.com/en/arcgisdesktop/10.0/help../index.html#//009z000000z7000000.htm">Raster Calculator</A>: "timeA"+"timeB"+"timeC"+"timeD"</BLOCKQUOTE><BR /><SPAN> </SPAN><BR /><SPAN>Thanks!</SPAN><BR /><BR /><SPAN>I knew it was something simple I was missing.&nbsp; </SPAN><BR /><BR /><SPAN>Had to search around for a bit, though, and finally found the function in Spatial Analyst --&gt; Map Algebra</SPAN><BR /><BR /><SPAN>Seems like of a weird place for it to hide...</SPAN></BODY></HTML> Mon, 03 Feb 2014 19:17:38 GMT https://community.esri.com/t5/arcgis-spatial-analyst-questions/sum-multiple-rasters/m-p/526938#M7629 JustinBrandt 2014-02-03T19:17:38Z Re: Sum multiple Rasters https://community.esri.com/t5/arcgis-spatial-analyst-questions/sum-multiple-rasters/m-p/526939#M7630 <HTML><HEAD></HEAD><BODY><SPAN>I would use CellStatistics</SPAN></BODY></HTML> Mon, 03 Feb 2014 19:55:25 GMT https://community.esri.com/t5/arcgis-spatial-analyst-questions/sum-multiple-rasters/m-p/526939#M7630 SteveLynch 2014-02-03T19:55:25Z Re: Sum multiple Rasters https://community.esri.com/t5/arcgis-spatial-analyst-questions/sum-multiple-rasters/m-p/526940#M7631 <HTML><HEAD></HEAD><BODY><BLOCKQUOTE class="jive-quote">I would use CellStatistics</BLOCKQUOTE><BR /><SPAN> </SPAN><BR /><SPAN>+1</SPAN><BR /><BR /><SPAN>I always forget this tool...</SPAN></BODY></HTML> Mon, 03 Feb 2014 21:09:08 GMT https://community.esri.com/t5/arcgis-spatial-analyst-questions/sum-multiple-rasters/m-p/526940#M7631 Luke_Pinner 2014-02-03T21:09:08Z