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    circular array bug with large radius

    Hi,

    I have a bug with circular arrays. Origin of my question comes from this post of a French fellow.

    It happens when the radius is large, over 100 meters. in the example, it's about 995 m. The curve is almost a line, but almost. In this case, the array goes crazy.
    The only workaround I've found is:

    do the array with a small radius (around 70 m), then select the array, change values for radius and angle length, then move the objects at the correct place.

    Ever seen this? thoughts?
    thanks.

    PS: files available in the link above
    Julien
    "Au royaume des aveugles, les borgnes sont mal vus!"
    P. DAC
    Follow me on Twitter @Jbenoit44 - Blog: http://aecuandme.wordpress.com/

    #2
    There is something strange with circular arrays, but there is at least one way to do it that never fails: Select the objects, array, radial, specify the number of items of the array, use the Place button to indicate the center point, whatever it is, even if it is 1000 meters from the object, and then... (this is the important part) enter the cursor in the Angle text box, type the angle, leave the cursor there, now hit Enter twice. This sequence always creates the expected result from the first attempt.
    Freelance BIM Provider at Autodesk Services Marketplace | Linkedin

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      #3
      Nope. doesn't work for me. I did it 10 times. And even if it works sometimes (I will try again and again!), it's still a bug area.
      Julien
      "Au royaume des aveugles, les borgnes sont mal vus!"
      P. DAC
      Follow me on Twitter @Jbenoit44 - Blog: http://aecuandme.wordpress.com/

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        #4
        Are you sure that after typing the angle, the cursor remains inside the Angle text box when you press Enter twice? That never fails. There must be something else in your settings for the array, then.
        Freelance BIM Provider at Autodesk Services Marketplace | Linkedin

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          #5
          absolutly sure. Did it 5 times again.
          array settings are: radius 995.80m ; angle 0.43°; group; to last. (I use a column in my case).
          the error comes when array number is over 10. (the OP was asking for 15).

          good luck!
          Julien
          "Au royaume des aveugles, les borgnes sont mal vus!"
          P. DAC
          Follow me on Twitter @Jbenoit44 - Blog: http://aecuandme.wordpress.com/

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            #6
            I have had some issues with arrays, too. I had to build the array in a separate family and nest it to get it to function properly and consistant. In tests, I have had pretty good luck by building the array FIRST, but it seemed there was always a time when working on a different area would somehow break the array and get odd results like a single component of the array being off the array centerline. I am using RAC2010 and MEP2010 and it makes me a little queezy to hear there are similar issues in 2011 and 2012.

            http://www.captiveaire.com/
            Commercial Kitchen Ventilation Systems

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              #7
              Originally posted by Alfredo Medina View Post
              ...That never fails. ...
              Oops, I take that back, Julien. I tried the array with the settings that you provided, and yes, it fails. After the 10th items, the other items from 11th to 14th are created on top of the 15th item.
              Freelance BIM Provider at Autodesk Services Marketplace | Linkedin

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