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    Display Face Normals for graphic input

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    • mitcorbM Offline
      mitcorb
      last edited by

      After going through some detailed re-knitting/reshaping of a complex closed volume mesh, with plenty of curves, it occurred to me that it would be handy to be able to see face normals in Sketchup, or be able to place a line segment quickly, say at the geometric center of a face to use as a starting point for additional geometry. The importance here is quick placement of a line that is locally orthogonal.
      Another possibility would be a "quasi-normal" placed on the edge between two faces. That is, a normal based on the orientation of the two face normals. Basically this would be placed normal to the half angle between the adjacent faces.
      Granted, there are tedious ways of doing this in Sketchup. See attachment skp.
      Granted, Sketchup was not intended for this--so far. Betcha a bundle they are already thinking about it.
      Does Monsieur Bur's Projections plugin have the angle splitting edge normal projection?


      green surface for visual contrast

      I take the slow, deliberate approach in my aimless wandering.

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      • wind-borneW Offline
        wind-borne
        last edited by

        Three Line tools has one for normals.

        http://forums.sketchucation.com/viewtopic.php?p=134132#p134132

        "To read between the lines was easier than to follow the text."OSX 10.11.6

        %(#BF80BF)[SU 8 pro

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        • mitcorbM Offline
          mitcorb
          last edited by

          Thanks, wind-borne, I will check it out.
          By the way, Bur's projection tools get confused if your surfaces are off the global axis and you are in a tight spot with your editing.

          I take the slow, deliberate approach in my aimless wandering.

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          • thomthomT Offline
            thomthom
            last edited by

            You want to see Face and Edge normals? http://forums.sketchucation.com/viewtopic.php?f=323&t=21472&p=193260

            Thomas Thomassen — SketchUp Monkey & Coding addict
            List of my plugins and link to the CookieWare fund

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            • mitcorbM Offline
              mitcorb
              last edited by

              @ThomThom:
              Not only see, but draw on them. As Chris's 3 lines tool allows.
              I am in modeling mode at this time, not doing any rendering, where your tool would be very useful.

              I take the slow, deliberate approach in my aimless wandering.

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