Forums >> Revit Building >> Technical Support >> Constraining Reference Planes to Roof Pitches

wchidlay

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Hello to all,

I'm trying to create a "flex" fascia, (simple 1x8, w/1x3) recessed 2" into the roof rake and 3/4" below the top of the roof.  I am using an in-place void (generic model) to create the recess and then simply using the 1x8/1x3 combo in the roof fascia command. 

This all works relatively well, I have the void constrained such that changes in roof overhang work well.  This is because my reference planes are aligned with the original roof pitch, however when the pitch is changed i cannot get the reference planes to angle with the roof,  any suggestions.

-The simple question:

Is there any way to constrain reference planes to the pitch of the roof?

Are there other options here with say, Keynotes?  (I obviously haven't learned keynotes yet)

Thank you for any help

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framerman

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hmm, not sure if this will help or not. I have made something similar where I made a family parameter of roof pitch. I'm not positive, but I think I used a reference line instead of a plane. Don't know why really LOL.

Sometimes it's easier also if you attach the family file for us to poke and prod.  

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wchidlay

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Sry for the late response, having internet issues all weekend, 

Thanks for the quick response and suggestions.  I tried them although to no avail. 

Problem:  Aligning any type of lines or reference planes to a roof edge do not remain constrained when I go to change the roof pitch.

The reason i'm trying to do this is because of an extensive in-place void family used to trim the roof so that the 1x8,1x3 fascia recesses nicely and trims properly.  Attached is a Revit 9 ex. of it.  

I checked out your website framerman, looks good, i'm real curious about your 3d interaction portion.  I'm a bit of a gamer, (counter strike) and have long realized the potential of the eventual migration between platforms and am wondering what programs you're using to try and implement this. 

I couldn't tell exactly, but for your gallery images it looked as though your trim was attached to the edge of the roof which would produce an extra line in the elevations (that can be erased via invisible line tool, yet one more step...)  I'm trying to eliminate this via in-place void families.  One suggestion that i've seen is to simply create a roof extension but I had difficulties getting the geometries to join so am trying an alternate route.  Regardless, I'm surprised/confused about why I can't get these planes/lines to remained constrained?

I've also included a file that might help to better explain what i'm trying to do.  I'm doing this for a small office, i'm, "the lone Revit implementor" and am trying to get the drawings to match what my boss is used to with our CAD details.  

Thanks for any help

Will

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wchidlay

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Can't get file size down to attach for last posted thread,

tried purging, deleting excessive views/sheets/etc.

Any suggestions,  

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wchidlay

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ok, I searched some threads and found some extra tips to reduce files size, let's give this one a try

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wchidlay

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wchidlay

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Well, after a little more research I am assuming that my answer may lie in the "Shared Parameters" portion of the program.  So, I am doing some tutorials and will hopefully find light through this course.  

Any comments on this approach are much appreciated.

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framerman

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you are right on the money about the counter strike comment. My idea was through DOD:S. It works with some success, but is not worth the effort. It is a huge amount of time to transfer it over. Reluctantly, the best way to do that is right in the Hammer Editor. I found a guy who did Frank Lloyd Wright's Falling Water in a HL2 mod. To be honest, it wasn't as impressive as I thought it would be, and in certain areas, the FPS plummets to a point where it is no good. It took him a month to do so you can do the math there. It's neat, but not worth the time

Better ways coming though. Integrated Flash, 3d Acrobat, can't forget DWF, a self executable program on others computer, and I think a promising one is Adobe Acrobat Connect. All very interesting, but is any of it likely or feasible?

I'm not sure if there's a way to constrain a reference plane that is inside of a family to a roof in your project. I like your idea though where you have a void nested in the family to cut the roof. I'd like to hear how you did that. What I do, which you prolly already guessed, is make my roof thin, then attach the fascia sweep to it that way. Are you able to get your corners mitred correctly? I can't seem to get mine to do that so I just stay with the sweep.

Sorry I can't be of any more help. 

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