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Forums >> General Discussion >> Revit Project Management >> Curtain Wall Mullion Profile Does Not Display When Cut in a Segmented Section
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Joined: Thu, Oct 27, 2011
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Posted this in forums.autodesk.com just now, but decided to post it here too just for the sake of spreading the word.
Made a section...
Split it into 2 segments so that the non-original segment (i.e. the one I move into position when actually performing the split) was cutting through a curtain wall with mullions for which I had assigned special profiles, which on the other hand were made from a detail items.
Sounds pretty normal, right?
So when cut through the original segment of the split section the mullions' profiles display fine, but not when cut through the non-original segment of the section. Instead they display there simplified, as in a coarse view. What gives?
Hopefully that would be fixed soon.
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Actually it's in both parts of the segmented section - the original and non-original.
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Post some images so we can figure out what the issue is.
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I Hope and I Wish to LEARN more, and more, and more.... REVIT |
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Here it is:
Revit seems to work in misterious ways. Apparently there's some logics to it, but the split does not perform as expected. It should know that it needs to move the clipping plane when split, and it should represent what the new clipping plane cuts through appropriately.
Don't know if the issue could be with my GPU. Doubt it, but still, it's and AMD Radeon HD 6770M. It's not one supported from Autodesk, but don't think that should matter when it comes to the functionality of the segments of a section view. However, will leave that to the experts to decide.
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The pics attached visualize it better, but will try to explain in words.
So apparently it depends on the further-most clipping plane to the back. If the most further back 'virtual' clipping plane is not cutting through the curtain wall, then Revit displays the mullions simple. If the 'virtual'
I am saying 'virtual' clipping plane because due the the segmenting of your section you would get confused. So, the actually most further back clipping plane is the one defined between the 2 points of the width of the section and the further most back segment of the section. In this regard, apparently, further most back is relative the the orientation of the saction.
You can see in the attached images, that this time, altho segmented, the section does display the mullions correctly, because as I said, the most backward clipping plane actually does clip thru the curtain wall.
DEFINITELY A BUG THAT NEEDS TO BE FIXED.
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Unfortunately further testing proved me and my last post wrong again. It also proved that Revit works in too misterious a way.
In the attached images, you could see that the referance plane, placed just next and paralel to the section, represents what earlier I called virtual most backward clipping plane.
The images sadly show that there is no logics as to why Revit firstly displays properly the curtain mullion, but in the second attempt fails.
Looking forward to hearing from someone on this issue.
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I really don't think I like your process. We keep our CW mullions as simple rectangle elements so that they don't overload the model. There is no need for all that detail at small scales. In larger detail views, we add a detail element and turn off the mullion. Far easier to control and better for managing the project.
We refuse to use the manufacturer develped CW familes - just terrible modeling!
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Maybe you are right about the workflow, but it is what I am using and it is not overloading my project much. The actual mullion family in 3D is just plain and simple. Only the representation of the mullion, when cut, is such, which is what I want. That works quite well when making callout for details at connections where those mullions are really visible in 1:5 for example. I find it a lot simpler to make the changes once withing the curtain wall's mullion and its profile, than having to go into each of my details and modifying things there. After all, this way things are associated and have some smarts to them. As you correctly said, perhaps it's not a workflow that is easiest to handle for your GPU, but it certainly should work...
My point with the thread was finding why Revit doesn't work as expected and eventually letting the Revit team know about it so it could be fixed. It's more a question of principle.
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You did not say, is your cut plane at different elevaations in those two plan view? Experiment with that and see what happens.
As far as the "...I find it a lot simpler to make the changes once withing the curtain wall's mullion and its profile, than having to go into each of my details and modifying things there..." << This works the same for a detail element. Change the detail component and it changes everywhere.
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Tried the view range and nothing. Don't see why it should have anything to do with my issue.
Anyway, thanks for the help.
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Cut plane is not view range. And it does make a difference.
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OK, care to elaborate more on that so that the issue could actually be resolved?
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'Cut plane is not view range. And it does make a difference.'
???
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Anyone?
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