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    Need advice for patterns!

    Hello all,

    I need advice for creating panels for this mass:
    Form.png

    Another View:
    sidesection.png

    The panels will be like this:
    panels.png

    Panels 1 and 2 are the majority, Populating the top and bottom sides of the mass. Panel 2 is also will be found at the sides, with panels 3,4 and 5. The latter group will be configured like 3-4-5 and 3-4-4-5, depending their position on the mass.

    Now I got a few questions:

    1-(Important!!) I'm having difficulties when drawing Panel nr. 3 (And 5, its mirror). The half circle always loses its alignment, I encounter lots of errors, etc. In short, its driving me nuts! Do you have any idea for a stable sketch?

    2-Is it possible (and/or advised) to group the "3-4-5" and "3-4-4-5" panels together, instead of making one-unit panels? I see a template for 3 unit panel, but I couldn't find a 4 unit one.

    3-(Optional) Also, do you have any advice for the "Shell" construction I've did? I'm asking this for future reference though, as my time is a bit limited for a reconstruction...

    Thank you for your time,
    Shroudeye
    Attached Files

    #2
    Would you be able to post the panel family for Panel #3 so we can take a look at what you have started?
    Scott D Davis
    Sr. AEC Technical Specialist
    Autodesk, Inc.
    http://bit.ly/aboutsdd

    Comment


      #3
      Here it is. (The surfaces haven't been made) Thanks!
      Attached Files

      Comment


        #4
        ok here it is back...

        So...a few things about curtain panel pattern families: they are a form of an adaptive component, and therefore have their own unique set of best practices to build them. Rule number one, don't use traditional dimensions as parameters. In your case, it was in the form of an equality constraint. Traditional dimensions live on a workplane, and when the panel gets twisted out of plane, as it will on your curving surface, Revit will complain. In this case, I had to use one to control the radius of the circle. That may cause issues down the road, but so far it seemed to flex ok.

        So instead, you have to use a a technique of "hosted points". Points can be placed on lines, arcs, circles, splines, surfaces. The points have special parametric properties called Measurement Type. One of these is called Normalized Curve Parameter. This is a number between 0 and 1, and it corresponds to the percentage that the point is hosted along the line. Set this value to .5 and you have a point that will always stay half-way across a line, no matter what happens to the line, including changing plane. Its an equality constraint, without the dimension!

        So I used that technique in this family i've attached. I also used a point hosted on another point. Then I used an offset parameter (its in the properties of the point hosted on a point) to move the point for your "Glass Halfwidth" parameter. I also made a Glass Quarterwidth parameter with a formula. You'll see it when you reverse engineer the panel.

        Let me know if you have questions!
        Attached Files
        Last edited by Scott D Davis; January 19, 2012, 04:50 AM. Reason: attachment!
        Scott D Davis
        Sr. AEC Technical Specialist
        Autodesk, Inc.
        http://bit.ly/aboutsdd

        Comment


          #5
          Thanks a lot, mr. Scott! It helped a lot, and saved some of my hair.

          I've also managed to fix some of the other panels that appeared to be "broken".

          Comment

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