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Parametric Pedestrian Crossing

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    Parametric Pedestrian Crossing

    Hi All,

    I have been trying to create a parametric pedestrian crossing family i.e. a zebra crossing that will show up in
    multiple views - not just filled regions. I assume it needs to be a nested family & use an array and ideally I would like it to be floor hosted.
    I have tried quite a few combinations of family templates with varying results but have not been able to crack the code.
    I start off with a simple parametric rectangle with 2 parametric dims. Line Width & Line Length. I know how to associate the parameters
    when possible between the nested familes but cannot seem to progress. Any help would be appreciated.

    Thanks,

    Noel Smith
    Attached Files

    #2
    Here is a very quick basic line based one to get you going. Just load and pick either work plane or face based then just draw a line.
    I am sure you will get a lot more versions posted, this is one just to get you thinking.
    Attached Files
    Mark Balsom

    If it ain't broke, fix it till it is.

    Comment


      #3
      I see that your Line Length Parameter is not working. Workflow... Delete the Parameter dimension line and the EQ dimension line. Create the EQ by picking all three ref planes, click EQ. Create the Length dimension line and associate the Line Length Parameter. Test. Hopefully it will work for you now and forever.

      To make it work with array, you have a nested generic model family to associate.
      Last edited by ptranberg; July 18, 2011, 12:57 PM.
      - Peter -
      www.revitogbim.blogspot.com

      Comment


        #4
        Thanks Mark,

        I meant to reply sooner but work really gets in the way. The linemark family you posted almost works perfectly except when placedit skews off on an angle. see attached JPG
        Attached Files

        Comment


          #5
          Works OK this end, but try this other version. Did you pick place on workplane ?
          Attached Files
          Mark Balsom

          If it ain't broke, fix it till it is.

          Comment


            #6
            Actually I got it working by aligning line mark ends to ref line. I am now trying to control the gap & length of painted line & make the crossing extent align with end of ref line. No I didn't pick place on work plane but just tried that & it still chucked a wobbly. Thanks for your help
            Last edited by nsmi8948; July 27, 2011, 05:50 AM.

            Comment


              #7
              Hi nsmi8948,

              I have changed the title of the thread to reflect the subject and make it easier for others to search if they are looking for the same or similar info.

              Cheers,
              Ian Kidston
              http://allextensions.com.au

              Comment


                #8
                Sorry nsmi8948 like I said I did rush the first one i didn't even check th width parameter. I found it was the width parameter that was breaking the family making it wonky.
                I have posted a new one for you with, Crossing Width parameter (that works), Stripe Width parameter and Spacing parameter. Hope it helps.
                Attached Files
                Mark Balsom

                If it ain't broke, fix it till it is.

                Comment


                  #9
                  Nice job & I better understand the concept of arraying a nested family. Thanks again Mark.

                  Noel Smith

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