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Forums >> Revit Building >> Technical Support >> Revit 2010 Sloping Roof in in two directions at once

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Fri, Aug 20, 2010 at 1:57:24 PM | Revit 2010 Sloping Roof in in two directions at once

#1

erickson1026


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Hello:

I have an issue on a steel framed roof, where I need to slope the roof to the back and the side simultaneously.  I have tried multiple options including the slope arrow, which comes close but not quite.

I have an 3D isometric model in AutoCAD of the steel framing, but I am not sure how to get my roof "slab" to follow the elevations of the framing.  Could a reference plane work? When the roof is sloping to the side an down at the same time.

What I would like to do is give it the spot elevations at the edges of the roof and build the roof from there.  Make sense?

Many thanks to any responders.


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Fri, Aug 20, 2010 at 4:03:50 PM | Revit 2010 Sloping Roof in in two directions at once

#2

itsmyalterego


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If you start with a finished roof with no slope, you have the option to modify sub-elements of a roof.  You can define the elevation of points in the roof plane, pick structural supports, etc.  It allows for more precise modeling than your basic footprint with slopes. 

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Fri, Aug 20, 2010 at 5:42:07 PM | Revit 2010 Sloping Roof in in two directions at once

#3

erickson1026


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Thanks, I have tried that as well, perhaps my modeling skills aren't what they should be yet, and it just isn't quite working out.

I will give it another try for sure and post my results.


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Fri, Aug 20, 2010 at 7:37:55 PM | Revit 2010 Sloping Roof in in two directions at once

#4

erickson1026


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I may have discovered my problem, I have attached an image here.  The bottom of the roof stays, but the top face of the roof moves up to the supports.

It's probably a variable setting of some sort, but I can't seem to find it. 

The column grid is 10x10 spacing.  The front row of columns goes from 8,10,12 feet from left to right.  The back row of columns is 7.5, 9.5, 11.5.  So, the roof should slope from front to back and right to left. 

I'll keep looking. 

 

 


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Fri, Aug 20, 2010 at 8:34:00 PM | Revit 2010 Sloping Roof in in two directions at once

#5

erickson1026


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I seemed to have figured out the problem I was having.  The beam support must be continuous all the way from wall to wall without any breaks along the way.  

Which could be a problem, since the roof framing plan I am working with has many joints where the beam meets the column for example, or where the edge of the roof extends past the end of the main roof frame.

My solution would be to build a "temporary" frame out of continuous members to get the shape I am looking for, then detail further after that?

 


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