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Forums >> Revit Structure >> Technical Support >> Splines to Polylines
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Joined: Thu, Jun 12, 2008
4 Posts
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I have a tricky curved slab outline to do in Revit and as usual the information from the Architect is in the form of splines!! as Revit does not recognise these i need to convert the splines to plines without loosing the curved geometrey! This one has been giving a lot of people headaches so any info is very welcome.. Cheers
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Joined: Tue, May 16, 2006
13079 Posts
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REVIT does do splines, it does not do plines.
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Joined: Wed, Mar 12, 2008
322 Posts
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The question wasn't if Revit could draw splines and polylines...the question was how to get an AutoCAD spline into a format that Revit will RECOGNIZE... I'd try freehanding a spline until you can come up with a better solution...I'll look into it though Anyone else?
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Joined: Fri, Feb 10, 2006
1874 Posts
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things are still the same http://www.revitcity.com/forums.php?action=viewthread&thread_id=7416
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best regards, coreed,aia bmpArchitects,Inc. "Revit has to be implemented, Not installed." Long Live Revit |
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Joined: Wed, Mar 12, 2008
322 Posts
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I couldn't find a way to convert splines into polylines (via autocad), although it looks like you can convert polylines into splines? Another, and probably less desiralbe and slightly more intensive procedure might be to: In AutoCAD 1. Use the divide comand on the spline 2. Specify the number of nodes (depending on your level of acceptable tolerance) 3. Draw a polyline from point to point (I recommend setting your OSMODE to '8'- your current OSMODE will be displayed in AutoCAD default brackets '< >' and should be noted to easily change it back when you are done with this procedure). 4. Save In Revit 5. Reload the CAD background 6. Create/edit a slab 7. Use the pick line command and tab through until you get your string of lines. From what I can tell this geometry shouldn't be too taxing on your machine. 4.
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Joined: Sun, Sep 24, 2006
34 Posts
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Enter sketch mode for your slab and import the .dwg file selecting the layer the spline is on. the result will be native Revit splines. I generally find that a closed spline in AutoCad will result in two splines within Revit but I find that much more managable than amultiple small lines.
Edited on: Mon, Jul 7, 2008 at 7:29:02 AM
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Joined: Wed, Mar 12, 2008
322 Posts
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NICE!
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