topic Direction in cost surface creation in Geoprocessing Questions https://community.esri.com/t5/geoprocessing-questions/direction-in-cost-surface-creation/m-p/280431#M9669 <HTML><HEAD></HEAD><BODY><SPAN>I am trying to create a mountain biking trail network where I will hopefully be able to vary the difficulty of the trails by varying the weight of the slope layer.&nbsp; I would like to know if the creation of the least cost path takes into account the aspect of the slope as it enters the cell.&nbsp; For example, if the path crosses a couple of identical cells whose slope lies north-south, but the direction of travel is east-west (ie travelling across slope), is the path accumulating slope as a cost even though the elevation shouldn't be changing?&nbsp; </SPAN><BR /><BR /><SPAN>I have also tried to think about calculating elevation change from cell to cell, but I keep running into the problem where the cost layer doesn't know where the path will be coming from.</SPAN><BR /><BR /><SPAN>I also realize that I am looking at "building" a 1 m wide trail using a 30 m DEM, so in reality this may be a meaningless question, but I am more interested in the actual process than my specific results.</SPAN><BR /><BR /><SPAN>Thanks</SPAN></BODY></HTML> Mon, 23 Apr 2012 03:23:10 GMT BrianNeville 2012-04-23T03:23:10Z Direction in cost surface creation https://community.esri.com/t5/geoprocessing-questions/direction-in-cost-surface-creation/m-p/280431#M9669 <HTML><HEAD></HEAD><BODY><SPAN>I am trying to create a mountain biking trail network where I will hopefully be able to vary the difficulty of the trails by varying the weight of the slope layer.&nbsp; I would like to know if the creation of the least cost path takes into account the aspect of the slope as it enters the cell.&nbsp; For example, if the path crosses a couple of identical cells whose slope lies north-south, but the direction of travel is east-west (ie travelling across slope), is the path accumulating slope as a cost even though the elevation shouldn't be changing?&nbsp; </SPAN><BR /><BR /><SPAN>I have also tried to think about calculating elevation change from cell to cell, but I keep running into the problem where the cost layer doesn't know where the path will be coming from.</SPAN><BR /><BR /><SPAN>I also realize that I am looking at "building" a 1 m wide trail using a 30 m DEM, so in reality this may be a meaningless question, but I am more interested in the actual process than my specific results.</SPAN><BR /><BR /><SPAN>Thanks</SPAN></BODY></HTML> Mon, 23 Apr 2012 03:23:10 GMT https://community.esri.com/t5/geoprocessing-questions/direction-in-cost-surface-creation/m-p/280431#M9669 BrianNeville 2012-04-23T03:23:10Z Re: Direction in cost surface creation https://community.esri.com/t5/geoprocessing-questions/direction-in-cost-surface-creation/m-p/280432#M9670 <HTML><HEAD></HEAD><BODY><SPAN>Did you check out Path Distance?</SPAN><BR /><A href="http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#//009z0000001q000000.htm">http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#//009z0000001q000000.htm</A></BODY></HTML> Mon, 23 Apr 2012 13:54:56 GMT https://community.esri.com/t5/geoprocessing-questions/direction-in-cost-surface-creation/m-p/280432#M9670 DanPatterson_Retired 2012-04-23T13:54:56Z Re: Direction in cost surface creation https://community.esri.com/t5/geoprocessing-questions/direction-in-cost-surface-creation/m-p/280433#M9671 <HTML><HEAD></HEAD><BODY><SPAN>Thanks, I'll look into it.&nbsp; I was pretty sure someone had to have thought of this problem before, guess it was just finding the right tool.</SPAN></BODY></HTML> Mon, 23 Apr 2012 17:01:37 GMT https://community.esri.com/t5/geoprocessing-questions/direction-in-cost-surface-creation/m-p/280433#M9671 BrianNeville 2012-04-23T17:01:37Z