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Forums >> Revit Building >> Technical Support >> Plan Region & stairs
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Joined: Tue, Jul 15, 2008
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Using RAC2009 I have a set of stairs that starts on a platform 35" above level 1. I have been trying to get the stairs to show more tread/risers before it cuts off (right now, it is only showing 2). I have read that you can create a Plan Region around the stairs, and it will allow you to set the cut planes to the level of the platform. I have done this, but I cannot get the stairs to show a different cut plane than one used by level 1. Here are the view range settings I have tried to use. top: Platform Offset: 7'6" Cut plane: Platform Offset: 4'-0" Bottom: Platform Offset: 0'-0" View Depth Level 1 Offset 0'-0" Do I have to somehow attach the stairs to the plan region? is there a toggle I am missing? Is there any other way to force the stairs to cut at a different height?
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I don't understand. Did you create another level called platform offset? The plan region should be aroud the stairs & the view range can then be set from the level 1.... cut plane level 1 + 8'??? that puts it 5' +/- above your platform....
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no, the level is called 'Platform' look at it as 3 columns: Top: Platform Offset: 7'-6" etc... I have tried moving the refered levels, cut planes etc... nothing, and I repeat nothing seems to affect the cut plane of the stairs (yes, the stairs are fully enclosed in a plan region).
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no, the level is called 'Platform' look at it as 3 columns: Top: Platform Offset: 7'-6" etc... I have tried moving the refered levels, cut planes etc... nothing, and I repeat nothing seems to affect the cut plane of the stairs (yes, the stairs are fully enclosed in a plan region).
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here are two different screen shots, showing 2 completely different cut planes (note that the door cut correctly, but the stairs didn't change at all).
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I have been experimenting, here is what I have found. #1) If the plan region is drawn at any other angles than 0, 90, 180, 270 the stairs will not cut with the plan region. #2) If the plan region touches the stairs at any point, it will not cut (this includes the text 'dn' & 'up') So, with these two MAJOR bugs I am SOL on changing the cut plane for my stairs.
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I've found that stair breaklines can be changed only for stairs starting at the reference level going up. View Properties --> View Range --> Cut Plane: Setting the Cut Plane to 3'-0" for example, would show about 4 full treads for 7/11 stairs. Setting the Cut Plane to 5'-0" for example, would show about 8 full treads for 7/11 stairs. One would think that for a run of stairs starting at the reference level and going DOWN, that the "Bottom" and "View Depth Level" settings would have a similar impact on a breakline for the DOWN stairs. It appears that the entire run will show up regardless of what the view depth and/or bottom settings are. See attached.
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No - plan regions work in both directions but as rgordon posted - if the plan region is rotated, you have problems.
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I've been messing with the plan region. The best that I can seem to do is to get the "down" stairs to look like stacked stairs. See attached.
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Rotation of plan region and moving to just barely touch doesn't change the view of the stairs. See attached
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