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Thread: 3D topo from contour lines

  1. #1
    Join Date
    Oct 2006
    Posts
    24

    Default 3D topo from contour lines

    does anyone know an easy way to convert contour lines to a smooth 3D suface in rhino? I have all the lines drawn at the depths that they're supossed to be at, but I can't seem to generate a good surface thru them.

  2. #2
    Join Date
    Jul 2004
    Location
    Lexington, KY
    Posts
    178

    Default

    Have you tried the loft command?

  3. #3
    Join Date
    Jul 2004
    Location
    Lexington, KY
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    Default

    Better yet, how about patch?

  4. #4
    Join Date
    Jul 2004
    Location
    Lexington, KY
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    Default

    Here is Mt. Plywood done with three contour lines and the patch command.
    29049.jpg

  5. #5
    Join Date
    Jul 2004
    Location
    Lexington, KY
    Posts
    178

    Default

    And Mt. Water done with the same three contour lines, the patch command, and then drape.
    29052.jpg

  6. #6
    Join Date
    Oct 2006
    Posts
    24

    Default

    I've done simple 3D contours using patch.
    But the one I'm doing now has many steps. Maybe my sttings are wrong?

  7. #7
    Join Date
    Jul 2004
    Location
    Lexington, KY
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    Default

    What version of Rhino do you have?

  8. #8
    Join Date
    Oct 2006
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    24

    Default

    I'm working with 3.0

  9. #9
    Join Date
    Jul 2004
    Location
    Lexington, KY
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    Default

    Does it crash, or just fail? Any error messages? Do you have the latest release? There were some bugs with Patch in early 3.0.

    I only have 2.0, so I may not be able to help much. Can you save as a 2.0 and send the file to me?

  10. #10
    Join Date
    Oct 2006
    Posts
    24

    Default

    Kevin
    It just doesn't create the surface the way it should look. I've sent you a dxf to look at. thank you for trying to help

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