Greetings,
I have been trying to import/export information to create a flood map using hec ras. I succesfully (not without some pain), imported the geometric data into HEC RAS and did my analysis. I create the .sdf and try to import it to Civil 3D, but, while it appears to have imported succesfully, it does not show the water lines.
As a matter of fact, CIVIL3D indicates at some point that the minimim and maximum elevations are both 0.00m.
I checked the .sdf file, which I attach, and it looks fine to me. It has the information of the water level as it should.
I think I´ve watched every video avilable and i can´t seem to find the answer.
Thanks a lot for your help!!!
i have faced some issues with the SDF import in the past and decided to to go the "CREATE PROFILE FROM FILE" route. after i run steady/unsteady state, from the tables window, i save the STA and WSE as a text file, that i can import to automatically create the water surface profile in my stream centerline (HEC-RAS reach) profile view. from there on, i can create the floodplain by stepped offset feature lines, or a corridor.
sorry, not the answer you are looking for, cannot help much with the SDF.
I am having same trouble importing floodplain mapping boundary from the *.SDF file into Civil 3D 2014. The only features that gets imported correctly are the river stationing alignment lien and the XS lines.
how do you get the data in the TXT file into the proper format. Surely you don't manually delate all of the leading spaces & cut & paste every line into ascending order?
if so, time for some vb.net. Which I might do something with anyway, that would calculate the section line end points, assign the elevation to those & create a sruface from all of those points
I haven't had much luck with .sdf files either. Take a look at the attached document. It explains how to export your surface model to HEC-RAS so that you can use RAS Mapper to do the floodplain delineation and create a shape file, which you can then import back into Civil 3D. There are a few steps (plus an intermediate program) that you need to go though to get a usable surface in HEC-RAS, but I was able to do it with pretty good results.