topic Re: Calculate a Section Area based on Depth in 3D Questions https://community.esri.com/t5/3d-questions/calculate-a-section-area-based-on-depth/m-p/3395#M31 <HTML><HEAD></HEAD><BODY><SPAN>Based on your description, I would use the 3d Analyst Tool </SPAN><A href="http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#//00q90000006m000000.htm">Interpolate Shape</A><SPAN>. Simply create a line feature running where you would like the cross section. Then use the </SPAN><A href="http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#/Creating_a_profile_graph_from_3D_line_features/00q80000006z000000/">Profile graph</A><SPAN>, with the idea that the horizontal scale is not the distance, but is just distance along the line not the actual horizontal distance.</SPAN></BODY></HTML> Fri, 26 Aug 2011 10:26:26 GMT JeffreySwain 2011-08-26T10:26:26Z Calculate a Section Area based on Depth https://community.esri.com/t5/3d-questions/calculate-a-section-area-based-on-depth/m-p/3394#M30 <HTML><HEAD></HEAD><BODY><SPAN>Hello, </SPAN><BR /><BR /><SPAN>I have a TIN and Raster from an inlet bay in Algarve representing the depth bathymetry. I need to calculate the cross-section area in two places, one near the inlet entrance, another insite the bay, so I can then transpose water flow calculus. Yet, I am not finding a solution to do so. </SPAN><BR /><BR /><SPAN>Can anyone suggest me options on how I can calculate these 2 cross-section area?</SPAN><BR /><BR /><SPAN>Thank you very much</SPAN></BODY></HTML> Thu, 25 Aug 2011 11:20:37 GMT https://community.esri.com/t5/3d-questions/calculate-a-section-area-based-on-depth/m-p/3394#M30 LuisCosta2 2011-08-25T11:20:37Z Re: Calculate a Section Area based on Depth https://community.esri.com/t5/3d-questions/calculate-a-section-area-based-on-depth/m-p/3395#M31 <HTML><HEAD></HEAD><BODY><SPAN>Based on your description, I would use the 3d Analyst Tool </SPAN><A href="http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#//00q90000006m000000.htm">Interpolate Shape</A><SPAN>. Simply create a line feature running where you would like the cross section. Then use the </SPAN><A href="http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#/Creating_a_profile_graph_from_3D_line_features/00q80000006z000000/">Profile graph</A><SPAN>, with the idea that the horizontal scale is not the distance, but is just distance along the line not the actual horizontal distance.</SPAN></BODY></HTML> Fri, 26 Aug 2011 10:26:26 GMT https://community.esri.com/t5/3d-questions/calculate-a-section-area-based-on-depth/m-p/3395#M31 JeffreySwain 2011-08-26T10:26:26Z Re: Calculate a Section Area based on Depth https://community.esri.com/t5/3d-questions/calculate-a-section-area-based-on-depth/m-p/3396#M32 <HTML><HEAD></HEAD><BODY><SPAN>You could also use HEC-GEORAS to create your 2 cross sections and then just pull your area out of HEC-RAS.</SPAN></BODY></HTML> Fri, 26 Aug 2011 14:55:43 GMT https://community.esri.com/t5/3d-questions/calculate-a-section-area-based-on-depth/m-p/3396#M32 MattMead 2011-08-26T14:55:43Z