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Forums >> Revit Building >> Technical Support >> Line based generic model family- RAC2008
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Joined: Sat, Sep 24, 2005
8 Posts
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I am creating a paramentric array of a church pew, so I read the tutorials and a line based family seemed like the best choice to create it in. My problem is that the pews need to be curved and the family will not let me draw a curved line when I insert the family into the project. Any suggestions would greatly be appreciated
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Joined: Tue, May 16, 2006
19889 Posts
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Not a line based family. Create a family using a parametric sweep.
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Joined: Sat, Sep 24, 2005
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sorry HUB, I don't know what you mean be parametric sweep family?
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Joined: Tue, May 16, 2006
19889 Posts
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Create a family where the body of the pew is the profile and it is swept along a curved path ... You would have to set parameters for the curve radius and also for the angle of inclusion. The pew ends would be another family inserted at the ends of the pew.
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Joined: Tue, May 16, 2006
19889 Posts
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Here is a simple mockup where angle and radius are instance parameters (labels)
Edited on: Tue, Apr 21, 2009 at 2:15:46 PM
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Joined: Sat, Sep 24, 2005
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I set the pew body up as a profile family, so now do a create a new mass and do a solid sweep with the profile I made? I always have problems with sweeps so if you know a really detailed tutorial that shows how to make sweeps I would appreciate it. I attached a profile of my pew and a plan of of how the pews will be laid out. Thanks for all the help
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Joined: Tue, May 16, 2006
19889 Posts
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Look at my previous post. The right image is the sweep layout within a family. You can use a generic, non-hosted family or a floor hosted family ... a furniture family ... any of those templates to create the family. If you look at that image, I have two parameters (they are lables for dimensions within the family.) One is the angle, the other is a radius. I started out by laying out my tow angled reference planes as equal angles from the center reference. Then I dimensioned this angle and referenced it to an instance based label I called angle. I then added a referce arc with the center at the intersection of the three planes and extending from one angle to the other. I added a reference radius dimension then changed that to an instance based label called radius. Now I created a sweep extrusion. I described the path by pointing to the referce arc line ... path done! No need to dimension or lock anything. I then switched to the profile, opened up a side elevation and drew a profile much like yours. Done with profile, done with extrusion, saved profile with a name and loaded it into my project. I placed an instance of this pew setting the angle and radius. I suggest you pick a middle one... reason comes later. Pick it and copy in place (hit a 0 when prompted for new location). Now click on the pew that you see (they latest will be picked). Change its' properties to a new radius - old radius + pew spacing. Now you have two pews with same center point. Pick both pews and copy in same place. Change outer one to last radius + spacing. Change the inner one to originalradius - spacing. Now you have 4. Copy outer 2 and do it again.
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