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Forums >> Revit Building >> Technical Support >> Plan Region & stairs

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Wed, Nov 26, 2008 at 4:09:58 PM | Plan Region & stairs

#1

rgordon


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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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Wed, Nov 26, 2008 at 4:15:52 PM | Plan Region & stairs

#2

WWHub


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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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Wed, Nov 26, 2008 at 4:25:27 PM | Plan Region & stairs

#3

rgordon


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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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Wed, Nov 26, 2008 at 4:33:11 PM | Plan Region & stairs

#4

rgordon


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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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Wed, Nov 26, 2008 at 4:35:02 PM | Plan Region & stairs

#5

rgordon


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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).

Attached Images

48785_attempt_1.jpg48785_attempt_2.jpg

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Wed, Nov 26, 2008 at 5:06:23 PM | Plan Region & stairs

#6

rgordon


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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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Thu, Jun 18, 2009 at 6:07:37 PM | Plan Region & stairs

#7

AEckerson


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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.



Attached Images

61401_Stair_Example.jpg

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Thu, Jun 18, 2009 at 6:12:14 PM | Plan Region & stairs

#8

WWHub


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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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Thu, Jun 18, 2009 at 6:24:14 PM | Plan Region & stairs

#9

AEckerson


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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.



Attached Images

61405_Stair_Example2.jpg

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Thu, Jun 18, 2009 at 6:28:36 PM | Plan Region & stairs

#10

AEckerson


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Rotation of plan region and moving to just barely touch doesn't change the view of the stairs.

See attached



Attached Images

61407_Stair_Example3.jpg

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