topic Calculate Area and Volume Exercise in 3D Questions https://community.esri.com/t5/3d-questions/calculate-area-and-volume-exercise/m-p/580113#M3477 <HTML><HEAD></HEAD><BODY><SPAN>I am working through the "Calculate Area and Volume" exercise in the web course, Creating 3D Data Using ArcGIS 10. I understand how 3D analyst works. However, the exercise comes with a "basin raster" that "represents the basin that is upstream of the dam". The exercise does not give a clue as to how to make this raster. It is draped over the elevation layer, but how is its boundary established?</SPAN><BR /><BR /><SPAN>Thanks</SPAN><BR /><BR /><SPAN>Jim</SPAN></BODY></HTML> Thu, 14 Mar 2013 13:51:31 GMT JimO_Leary 2013-03-14T13:51:31Z Calculate Area and Volume Exercise https://community.esri.com/t5/3d-questions/calculate-area-and-volume-exercise/m-p/580113#M3477 <HTML><HEAD></HEAD><BODY><SPAN>I am working through the "Calculate Area and Volume" exercise in the web course, Creating 3D Data Using ArcGIS 10. I understand how 3D analyst works. However, the exercise comes with a "basin raster" that "represents the basin that is upstream of the dam". The exercise does not give a clue as to how to make this raster. It is draped over the elevation layer, but how is its boundary established?</SPAN><BR /><BR /><SPAN>Thanks</SPAN><BR /><BR /><SPAN>Jim</SPAN></BODY></HTML> Thu, 14 Mar 2013 13:51:31 GMT https://community.esri.com/t5/3d-questions/calculate-area-and-volume-exercise/m-p/580113#M3477 JimO_Leary 2013-03-14T13:51:31Z