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    PROBLEM WITH PUSHPULL VECTOR

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    • artmusicstudioA Offline
      artmusicstudio
      last edited by

      hi,
      with this code (the FAKTOR is only fpr inch/cm recaltulation )


      model = Sketchup.active_model
      entities = model.active_entities
      rl1 = [-50/faktor/100,0/faktor/100,20/faktor/100]
      rl2 = [-50/faktor/100,10/faktor/100,30/faktor/100]

         group40 = entities.add_group
                       entities2 = group40.entities
                       new_line = entities2.add_line rl1, rl2
                       length = new_line.length
                       
                           centerpoint = rl2
                                                      # Create a circle perpendicular to the normal or Z axis
                           vector = rl1
                           vector2 = vector.normalize!
                       
                           edges = entities2.add_circle centerpoint, vector2, 3
                        
                           kreis = entities2.add_face edges
                    kreis.pushpull length
      

      i normally (and even in the beginning of this ruby-script (other cylinder)
      can pushpull along the line without any problem.

      BUT

      at the end of the script the same code lets the circle turn to an undefined angle.
      absolutely crazy.
      any idea how to fix it? >> screenshot
      thanx.
      stan


      131013-PROBLEM VECTORt.jpg

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      • TIGT Online
        TIG Moderator
        last edited by

        Use
        vector2 = new_line.line[1] ### i.e. its vector
        Do NOT use the point-array rl1 as a vector !
        Also be aware that:
        if vector2==Z_AXIS && rl1.z==0
        The face will be made facing downwards even if the vector2 says 'up' !
        This occurs in manual SketchUp... try drawing a flat circle on the ground and in the air - the face at z=0 faces downwards...
        If the face orientation is important use something like:
        kreis.reverse if vector2==Z_AXIS && rl1.z==0

        TIG

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        • artmusicstudioA Offline
          artmusicstudio
          last edited by

          hi tig,
          you are the greatest, as always.
          it works.
          it's funny, that "my" wrong syntax works at the beginning of the ruby...god knows....will correct all of them.

          again a step nearer to my first ruby (for everyone then, of course)

          regards and thax
          stan

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