List of Contributions

Thanks for all the suggestions. I was able to fix all three problems. In AutoCAD C3D, I drew the stream polyline from the downstream to the upstream for the alignment. The 'Modify Alignment Properties>Reverse Direction' reversed the station direction. In HEC-RAS I used your suggestions and reversed the ...

When using AutoCAD Civil3D to import the alignment and cross sections into HEC-RAS, the stationing, alignment and cross sections are reversed. A utube video by Andy Carter shows using a HEC-RAS Flipper he developed to correct the data, however, when you go to access the flipper routine, it is no longer ...