topic I have raster layer A and need to calculate raster layer B which will represent in each cell the sum up value of cells of raster layer A along its flow direction. How this can be possibly done in ArcGIS? in ArcGIS Online Questions https://community.esri.com/t5/arcgis-online-questions/i-have-raster-layer-a-and-need-to-calculate-raster/m-p/282075#M14003 <HTML><HEAD></HEAD><BODY><P>flowdirection‌</P></BODY></HTML> Tue, 28 Apr 2020 14:28:23 GMT TasmiaTazin 2020-04-28T14:28:23Z I have raster layer A and need to calculate raster layer B which will represent in each cell the sum up value of cells of raster layer A along its flow direction. How this can be possibly done in ArcGIS? https://community.esri.com/t5/arcgis-online-questions/i-have-raster-layer-a-and-need-to-calculate-raster/m-p/282075#M14003 <HTML><HEAD></HEAD><BODY><P>flowdirection‌</P></BODY></HTML> Tue, 28 Apr 2020 14:28:23 GMT https://community.esri.com/t5/arcgis-online-questions/i-have-raster-layer-a-and-need-to-calculate-raster/m-p/282075#M14003 TasmiaTazin 2020-04-28T14:28:23Z