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Create hatching under Existing Ground Profile in Civil 3D

August 2, 2022 Ryan Wunderlich
  1.  You will need to create a secondary profile that follows (or is close to the EG) at a distance below the current EG:
    Draw a series of basic lines below the current EG:



    Once the lines are drawn, move them down to a distance that looks good.

     
  2. Then go to Profile => Profile Creation Tools:


    Then set up the data like this:



    Then when this box came up, Click here to convert the lines drawn above to a profile:


    Select the lines drawn from step 1 and that created the new Hatch Profile


    Escape until you are back in C3D and all dialogs are closed
     
  3. Next, we now need to modify a style
    Navigate to the Gravel under General => Multipurpose Styles => Shape Styles


    Double Click to Edit then navigate to the Display Tab and set it as follows:


    Then click OK, if you get this box, select Make a Copy:

     
  4. Remaining in Prospector => Settings tab, navigate to Profile => Profile Styles and double click to Edit Basic (which we set the Hatch line to in Step 2), and set it like below:

    Then click OK, if you get this box, select Make a Copy: