Error - Generating Cross Section File
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... Cancel No Cross Section Cell to process When trying tocut cross sections in GEOPAK, I get the following message: "There are no Cross Section Cell to process with regards to current settings." There arecross sections cells that get generated and I can put those into a cross section file, however, the existing ground surface is not generated. Is have checked the .tin file and all seems to be correct with that. How do I generate the existing ground surface on the cross sections cells that get generated? MS http://forums.autodesk.com/t5/autocad-land-desktop/error-generating-cross-section-file/td-p/1324988 Version 08.05.02.55 GEOPAK 08.08.02.81 TIA cross section David S Fri, Apr 23 2010 6:03 PM Cancel 10 Replies (Most Recent Reply) MichaelGilham Fri, Apr 23 2010 6:28 PM Hi David, did you use the Draw XS tool to draw the existing surface XSs? This tool expects a Hz alignment and a TIN file. It then draws the XS cell and the existing surface http://communities.bentley.com/products/road___site_design/f/5922/t/53649 (from the TIN) into each cell. You say that "There arecross sections cells that get generated and I can put those into a cross section file, however, the existing ground surface is not generated.". How did these XS cells get generated in the first place?? Geopak Cancel David S Sat, Apr 24 2010 1:01 PM In reply to MichaelGilham: I am using the Draw Cross Sections from Surfaces option. I do specify a horizontal alignment anda .tin file. I have a pattern shapes file with line work in that file at the stations where I want cross sections cut. Using the Draw Cross Sections from Surfaces option, I specify the pattern shapes file to look into and alsospecify thelevel of the linework that Ihave pattern lines drawn onwhere I want the cross sections to be cut. When Iselect 'draw', the cross sections are processed and the XS cells are placed (ie: cut at the correct stations) but the existing ground surface is notgenerated and put onto the XS cell. I get the error message that I indicated in my first post. I guess Idon't know how the XS cells
output files when working with a model. It is important to know what each of these files does and how they fit into the overall scheme of your project. Keeping track of these files in an organized http://hecrasmodel.blogspot.com/2013/04/hec-ras-file-types.html manner is good practice, especially as your models grow in size and complexity. This post will feature a steady flow example project, and will list common HEC-RAS files that you'll see for Unsteady flow, Sediment Analysis, Water Quality, and Hydraulic Design projects. Although these examples all use the number "01" in the extension, RAS can have multiple instances of each of these files for a given project (except the .prj-only one of those). error - Numbers can go as high as "99" and are assigned in the order in which the files were created. This screenshot is a folder containing the input files generated by RAS after opening and saving one of the installed example projects. At the very least, you need these input files to run the model. If someone asks you to send them your model, these files must be sent, at a minimum. Differences between error - generating Steady and Unsteady files are listed when relevant. .prj is the Project file. Contains current plan files, units and project description. .g01 is the Geometry file. Cross-sectional data, hydraulic structures and modeling approach data are stored here. .f01 is the Steady Flow file. Profile information, flow data and boundary conditions written in this file. For Unsteady Flow, .u01 is the flow file extension. This is where hydrographs and initial conditions are stored, as well as any user-defined flow options. For Quasi-Unsteady Flow (for a sediment analysis), .q01 is the flow file extension. .p01 is the Plan file. Contains a list of the associated input files, and all simulation options. These are all text files and can be directly read and edited in a text editor. The following screenshot shows the input and output files after the steady flow model has been run. Note that some of these are only used by RAS as intermediate files during computations. .O01 is the Output file. Contains all of the computed results from the associated plan. This file is written in binary format and can only be read from the user interface. For Unsteady Flow, a .dss file is automatically generated as an output. This file contains time series data that is viewable by any program that can read dss