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Thread: Contour issues..

  1.    #1
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    Contour issues..

    Can anyone tell me I am not getting the primary contours on the whole increment? (Topography is over an image of a site plan from a past project.)

    Contour issues..-countours-1.jpg

    Contour issues..-countours-2.jpg

    T.I.A.

  2.    #2
    Member d.stairmand's Avatar
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    1 - Go into your "Site settings" & Adjust the Topo Interval
    2 - Make sure your "Secondary" Contour Object Category is on, not just the "Primary"

    If you can't find these - Do a Google Search

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    d.stairmand - it took some tweaking bit by bit, (and although I have secondary contours selected and set to appear - they don't), but it is good enough to pass muster. Thank you!

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    Member d.stairmand's Avatar
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    No worries Dozing - Glad I could help
    Topos are a nightmare at the best of time, especially when your trying to find out why they aren't doing thing they are meant too

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    Member PatrickGSR94's Avatar
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    The best way I have found to create toposurfaces is by using the surveyor's original points file, and NOT using their contour lines. Why? Because their contour lines were already generated by their program triangulating all the survey points to calculate the contours. I would rather Revit do its own triangulation from the original point data. In most cases I get a more accurate surface. I usually still have to add points to "force" Revit to not erroneously connect contours lines, especially for things like drainage swales, but it's still a lot less work to start with the points file instead of creating topo points from the survey contour lines.
    d.stairmand likes this.

  6.    #6
    Member d.stairmand's Avatar
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    Quote Originally Posted by PatrickGSR94 View Post
    The best way I have found to create toposurfaces is by using the surveyor's original points file, and NOT using their contour lines. Why? Because their contour lines were already generated by their program triangulating all the survey points to calculate the contours. I would rather Revit do its own triangulation from the original point data. In most cases I get a more accurate surface. I usually still have to add points to "force" Revit to not erroneously connect contours lines, especially for things like drainage swales, but it's still a lot less work to start with the points file instead of creating topo points from the survey contour lines.
    Agree 100%
    Most of the Survey DWG Files we get have a "TIN" Layer that has there Original Points based in a Simple Triangulation Surface
    I pick this layer & then let Revit Interpret the Contours itself based off these Accurate Point

    It can be a bit of a head ache when telling a Architect that the Contours will be different than that of the Survey - As they are both an interpretation of Point from Different CAD Programs

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    Member PatrickGSR94's Avatar
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    hm I haven't tried using the TIN layer to generate the points. I usually try to get a points text file from the surveyor, which I convert into the proper CSV file for Revit to understand (usually involves swapping the point coordinate columns from Northing/Easting format to X/Y format, and delete the point number column).

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