topic Raster difference, Looking for ideas in ArcGIS Explorer Desktop Questions https://community.esri.com/t5/arcgis-explorer-desktop-questions/raster-difference-looking-for-ideas/m-p/256763#M1607 <HTML><HEAD></HEAD><BODY><SPAN>Hi I'm working on a school project and I'm looking for ideas on how to make/utilize and represent meaningful data from the comparison of two different elevation models using ArcMap.&nbsp; </SPAN><BR /><BR /><SPAN>The two elevation were created using ERDAS LPS, and represent the exact same area, but the data was captured with different image sensors, one being larger than the other.&nbsp;&nbsp; This difference translates to one of the elevation model has a higher and more accurate resolution than the other.</SPAN><BR /><BR /><SPAN>I'm looking for ideas on how to process these two datasets against one another in ArcMap to show a calculable difference/result in a meaningful way.</SPAN><BR /><BR /><SPAN>Any thoughts??</SPAN><BR /><BR /><SPAN>Thanks, JD</SPAN></BODY></HTML> Tue, 28 Aug 2012 17:45:47 GMT JasonPoser1 2012-08-28T17:45:47Z Raster difference, Looking for ideas https://community.esri.com/t5/arcgis-explorer-desktop-questions/raster-difference-looking-for-ideas/m-p/256763#M1607 <HTML><HEAD></HEAD><BODY><SPAN>Hi I'm working on a school project and I'm looking for ideas on how to make/utilize and represent meaningful data from the comparison of two different elevation models using ArcMap.&nbsp; </SPAN><BR /><BR /><SPAN>The two elevation were created using ERDAS LPS, and represent the exact same area, but the data was captured with different image sensors, one being larger than the other.&nbsp;&nbsp; This difference translates to one of the elevation model has a higher and more accurate resolution than the other.</SPAN><BR /><BR /><SPAN>I'm looking for ideas on how to process these two datasets against one another in ArcMap to show a calculable difference/result in a meaningful way.</SPAN><BR /><BR /><SPAN>Any thoughts??</SPAN><BR /><BR /><SPAN>Thanks, JD</SPAN></BODY></HTML> Tue, 28 Aug 2012 17:45:47 GMT https://community.esri.com/t5/arcgis-explorer-desktop-questions/raster-difference-looking-for-ideas/m-p/256763#M1607 JasonPoser1 2012-08-28T17:45:47Z Re: Raster difference, Looking for ideas https://community.esri.com/t5/arcgis-explorer-desktop-questions/raster-difference-looking-for-ideas/m-p/256764#M1608 <HTML><HEAD></HEAD><BODY><SPAN>Hi Jason,</SPAN><BR /><BR /><SPAN>Could you use the </SPAN><A href="http://resources.arcgis.com/en/help/main/10.1/index.html#//009z000000z7000000">Raster Calculator</A><SPAN> to subtract DEM_1 from DEM_2? You would need the Spatial Analyst extension for this. You could also use the </SPAN><A href="http://resources.arcgis.com/en/help/main/10.1/index.html#/Minus/009z00000093000000/">Minus Tool</A><SPAN> if you have Spatial Analyst or 3D Analyst (and this might be more straight forward).</SPAN></BODY></HTML> Wed, 29 Aug 2012 14:49:37 GMT https://community.esri.com/t5/arcgis-explorer-desktop-questions/raster-difference-looking-for-ideas/m-p/256764#M1608 LucasDanzinger 2012-08-29T14:49:37Z