topic Arbitrarily assignments for D8 algorithm in ArcGIS Spatial Analyst Questions https://community.esri.com/t5/arcgis-spatial-analyst-questions/arbitrarily-assignments-for-d8-algorithm/m-p/116419#M1613 <HTML><HEAD></HEAD><BODY><SPAN>Hi!</SPAN><BR /><SPAN>I am working on my master thesis in Geography were i do some spatial hydrological modeling.</SPAN><BR /><BR /><SPAN>I use the hydology tools in the spatial analyst extension and have a question about the D8 algorithm. Hope someone can give me an answer or a hint?</SPAN><BR /><BR /><SPAN>How does the hydrology tools solve the problem with ambiguous flow directions? Does it have any arbitrary assignments? I know that other packages have it, but can not find information about how it is resolved in the Arc tool set.</SPAN><BR /><BR /><SPAN>Best</SPAN><BR /><SPAN>Per Wirehn</SPAN><BR /><SPAN>NTNU - Trondheim, Norway.</SPAN></BODY></HTML> Sun, 16 Mar 2014 16:31:57 GMT PerViréhn 2014-03-16T16:31:57Z Arbitrarily assignments for D8 algorithm https://community.esri.com/t5/arcgis-spatial-analyst-questions/arbitrarily-assignments-for-d8-algorithm/m-p/116419#M1613 <HTML><HEAD></HEAD><BODY><SPAN>Hi!</SPAN><BR /><SPAN>I am working on my master thesis in Geography were i do some spatial hydrological modeling.</SPAN><BR /><BR /><SPAN>I use the hydology tools in the spatial analyst extension and have a question about the D8 algorithm. Hope someone can give me an answer or a hint?</SPAN><BR /><BR /><SPAN>How does the hydrology tools solve the problem with ambiguous flow directions? Does it have any arbitrary assignments? I know that other packages have it, but can not find information about how it is resolved in the Arc tool set.</SPAN><BR /><BR /><SPAN>Best</SPAN><BR /><SPAN>Per Wirehn</SPAN><BR /><SPAN>NTNU - Trondheim, Norway.</SPAN></BODY></HTML> Sun, 16 Mar 2014 16:31:57 GMT https://community.esri.com/t5/arcgis-spatial-analyst-questions/arbitrarily-assignments-for-d8-algorithm/m-p/116419#M1613 PerViréhn 2014-03-16T16:31:57Z Re: Arbitrarily assignments for D8 algorithm https://community.esri.com/t5/arcgis-spatial-analyst-questions/arbitrarily-assignments-for-d8-algorithm/m-p/116420#M1614 <HTML><HEAD></HEAD><BODY><SPAN>I assume you already know about the ESRI Arc Hydro tools. The book on it may address this. </SPAN><A href="http://www.amazon.com/Arc-Hydro-GIS-Water-Resources/dp/1589480341">http://www.amazon.com/Arc-Hydro-GIS-Water-Resources/dp/1589480341</A><SPAN>. </SPAN><BR /><BR /><SPAN>Dr. David Maidment and Dr. Dean Djokic may have other papers or publications that address your question.</SPAN></BODY></HTML> Mon, 17 Mar 2014 14:52:32 GMT https://community.esri.com/t5/arcgis-spatial-analyst-questions/arbitrarily-assignments-for-d8-algorithm/m-p/116420#M1614 MarkBoucher 2014-03-17T14:52:32Z