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Forums >> Revit Building >> Technical Support >> Roof centerline

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Thu, Nov 6, 2008 at 5:21:31 PM | Roof centerline

#1

jawii


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Hi.

 I can't figure out how to change the centerline of my roof. I draw the roof by footprint with lines, and set two different angles on each of the slope defining sides of the roof. But how can I change or define where I want the centerline or 'back' of the roof ?

 /jw


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Thu, Nov 6, 2008 at 5:37:28 PM | Roof centerline

#2

tim123


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When you set the roof angles the slope defining sides are all at the same level so the position of the ridge is predetermined.  If you want roofs that spring from different heights you will need seperate roofs.

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Thu, Nov 6, 2008 at 7:25:29 PM | Roof centerline

#3

jawii


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ok... I've tried drawing two different roofs, but how do I get them to join together when their angles isn't the same ?

Tried drawing two seperate roofs in the same sketch, but cant get it to work, 'lines intersect' message keep appearing.

/jw


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Thu, Nov 6, 2008 at 7:30:53 PM | Roof centerline

#4

Typhoon


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Hi, can you put some images of what do you need???

 


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Thu, Nov 6, 2008 at 7:36:42 PM | Roof centerline

#5

tim123


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Do the roofs seperately as two different roofs.  For a normal roof you must have a closed loop.

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Thu, Nov 6, 2008 at 7:42:40 PM | Roof centerline

#6

jawii


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but at different angles, the ends won't mach against eachother, or how do I combine them ?

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Thu, Nov 6, 2008 at 8:00:44 PM | Roof centerline

#7

tim123


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You can extrude the roof (image 1) or create two different roofs with plumb cut to get the edges vertical and then align them (image 2).

Attached Images

47657_Roof1.jpg47657_Roof2.jpg

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Thu, Nov 6, 2008 at 9:02:48 PM | Roof centerline

#8

Mr Spot


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Just do your roof by footprint, then select the slope defining line that needs to go higher and change its plate height offset.  This effectively allows you to control where the ridge will be.

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Thu, Nov 6, 2008 at 9:13:42 PM | Roof centerline

#9

jawii


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This is something like what i wanna do, but isn't there a way to get the roof to join probably ?

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47661_eg.jpg

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Thu, Nov 6, 2008 at 10:23:26 PM | Roof centerline

#10

jawii


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Sounds like that would do the job yes, but how do I get about doing that ? If I change the model line offset hight it doesn't seem to have any effect ...?

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47672_ax.jpg

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Fri, Nov 7, 2008 at 1:34:27 PM | Roof centerline

#11

tim123


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Right click on the slope defining line, go to its properties and adjust the offset from roof base height.

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Fri, Nov 7, 2008 at 7:53:57 PM | Roof centerline

#12

jawii


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But offsetting the line from the roof level doesn't let me control where the ridge goes ?

 Anyways, I'm on the right track now, so thanks alot for the help to everyone responding on this thread, it's nice to see that there are some people who are still willing to answer "stupid newbie questions"...

 /jw


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