topic Raster Math: Which tool? in Data Management Questions https://community.esri.com/t5/data-management-questions/raster-math-which-tool/m-p/691079#M39198 <HTML><HEAD></HEAD><BODY><SPAN>Hello all,</SPAN><BR /><BR /><SPAN>I need to calculate the difference in area in a habitat raster (or polygon, I have both) between one sea level rise scenario and a baseline of no change.&nbsp; I have used Raster Calculator to subtract the sea level rise value from my DEM raster.&nbsp; Now I need to calculate how much of my habitat still exists under the new sea level.&nbsp; So I need to calculate how much of my new habitat extent is &gt; or = 0 in elevation.&nbsp; I'm working with a floating point DEM raster.&nbsp; Any suggestions on an approach for this?</SPAN><BR /><BR /><SPAN>Thanks kindly,</SPAN><BR /><SPAN>Sally</SPAN></BODY></HTML> Tue, 13 Sep 2011 19:36:04 GMT Sally_AnnSims 2011-09-13T19:36:04Z Raster Math: Which tool? https://community.esri.com/t5/data-management-questions/raster-math-which-tool/m-p/691079#M39198 <HTML><HEAD></HEAD><BODY><SPAN>Hello all,</SPAN><BR /><BR /><SPAN>I need to calculate the difference in area in a habitat raster (or polygon, I have both) between one sea level rise scenario and a baseline of no change.&nbsp; I have used Raster Calculator to subtract the sea level rise value from my DEM raster.&nbsp; Now I need to calculate how much of my habitat still exists under the new sea level.&nbsp; So I need to calculate how much of my new habitat extent is &gt; or = 0 in elevation.&nbsp; I'm working with a floating point DEM raster.&nbsp; Any suggestions on an approach for this?</SPAN><BR /><BR /><SPAN>Thanks kindly,</SPAN><BR /><SPAN>Sally</SPAN></BODY></HTML> Tue, 13 Sep 2011 19:36:04 GMT https://community.esri.com/t5/data-management-questions/raster-math-which-tool/m-p/691079#M39198 Sally_AnnSims 2011-09-13T19:36:04Z