topic Modified DRASTIC using ArcMap in Water Resources Questions https://community.esri.com/t5/water-resources-questions/modified-drastic-using-arcmap/m-p/396956#M1907 <HTML><HEAD></HEAD><BODY><SPAN>I am beginning a project where I need to create a series of rankings in a 30 x 30 meter grid size, add values together and produce a final total ranking value for each individual grid.&nbsp; The data used will be soils, percent slope, depth-to-groundwater, precipitation, ect..... What is the best and most efficient approach to this? Can this task or key components of this task be accomplished in ArcHydro?</SPAN></BODY></HTML> Wed, 10 Oct 2012 01:08:10 GMT DanBlythe 2012-10-10T01:08:10Z Modified DRASTIC using ArcMap https://community.esri.com/t5/water-resources-questions/modified-drastic-using-arcmap/m-p/396956#M1907 <HTML><HEAD></HEAD><BODY><SPAN>I am beginning a project where I need to create a series of rankings in a 30 x 30 meter grid size, add values together and produce a final total ranking value for each individual grid.&nbsp; The data used will be soils, percent slope, depth-to-groundwater, precipitation, ect..... What is the best and most efficient approach to this? Can this task or key components of this task be accomplished in ArcHydro?</SPAN></BODY></HTML> Wed, 10 Oct 2012 01:08:10 GMT https://community.esri.com/t5/water-resources-questions/modified-drastic-using-arcmap/m-p/396956#M1907 DanBlythe 2012-10-10T01:08:10Z Re: Modified DRASTIC using ArcMap https://community.esri.com/t5/water-resources-questions/modified-drastic-using-arcmap/m-p/396957#M1908 <HTML><HEAD></HEAD><BODY><SPAN>Arc Hydro isn't made to do what you're wanting to do. I suggest that you post this question in a different forum such as </SPAN><A href="http://forums.arcgis.com/forums/107-Spatial-Analyst">http://forums.arcgis.com/forums/107-Spatial-Analyst</A><SPAN>.</SPAN></BODY></HTML> Wed, 10 Oct 2012 15:06:50 GMT https://community.esri.com/t5/water-resources-questions/modified-drastic-using-arcmap/m-p/396957#M1908 MarkBoucher 2012-10-10T15:06:50Z