topic density analysis from polygons in ArcGIS Spatial Analyst Questions https://community.esri.com/t5/arcgis-spatial-analyst-questions/density-analysis-from-polygons/m-p/577364#M8350 <HTML><HEAD></HEAD><BODY><SPAN>Hi-</SPAN><BR /><SPAN>I am creating density maps from polygons (.shp), which has involved many time consuming steps and I was hoping to simlify the process.&nbsp; I have been taking each polygon, giving it a value of one then converting it to raster, adding the raster layers together, converting it to a point layer, then using Spatial Analysis to run a density analysis.&nbsp; I'm working with about 5,000 polygons, so you can see that this is way too much work.&nbsp; There has got to be an easier way!&nbsp; Is there a way that I can take a .shp with many overlaping polygons and giving each a value of one add them together, then create a raster from that?&nbsp; Or any other ideas?</SPAN><BR /><SPAN>-Thanks</SPAN></BODY></HTML> Fri, 22 Oct 2010 16:07:49 GMT MaryannSmith 2010-10-22T16:07:49Z density analysis from polygons https://community.esri.com/t5/arcgis-spatial-analyst-questions/density-analysis-from-polygons/m-p/577364#M8350 <HTML><HEAD></HEAD><BODY><SPAN>Hi-</SPAN><BR /><SPAN>I am creating density maps from polygons (.shp), which has involved many time consuming steps and I was hoping to simlify the process.&nbsp; I have been taking each polygon, giving it a value of one then converting it to raster, adding the raster layers together, converting it to a point layer, then using Spatial Analysis to run a density analysis.&nbsp; I'm working with about 5,000 polygons, so you can see that this is way too much work.&nbsp; There has got to be an easier way!&nbsp; Is there a way that I can take a .shp with many overlaping polygons and giving each a value of one add them together, then create a raster from that?&nbsp; Or any other ideas?</SPAN><BR /><SPAN>-Thanks</SPAN></BODY></HTML> Fri, 22 Oct 2010 16:07:49 GMT https://community.esri.com/t5/arcgis-spatial-analyst-questions/density-analysis-from-polygons/m-p/577364#M8350 MaryannSmith 2010-10-22T16:07:49Z Re: density analysis from polygons https://community.esri.com/t5/arcgis-spatial-analyst-questions/density-analysis-from-polygons/m-p/577365#M8351 <HTML><HEAD></HEAD><BODY><SPAN>There is some discussion about different methods from this forum with links to related forums:</SPAN><BR /><BR /><A href="http://woodelf.esri.com:8104/Forums2010/threads/9740-Sum-of-Overlapping-Areas-Cells?p=33982&amp;viewfull=1#post33982">http://forums.arcgis.com/threads/9740-Sum-of-Overlapping-Areas-Cells?p=33982&amp;viewfull=1#post33982</A><BR /><BR /><SPAN>Something in there should work for you. That link points specifically to my post which is a vector based method, outside of raster processing for those who don't have spatial analyst.</SPAN></BODY></HTML> Fri, 22 Oct 2010 16:25:41 GMT https://community.esri.com/t5/arcgis-spatial-analyst-questions/density-analysis-from-polygons/m-p/577365#M8351 DonovanCameron 2010-10-22T16:25:41Z