Forums >> Revit Building >> Technical Support >> Plan adjustable door swing issue

mcapri92

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I have been working to develop a family of doors with an adjustable swing for plan view.  Working through the tutorials online I have been able to create the attached family.  The adjustable swing works up to 90 degrees.  Once I set the parameter to 90 degrees I cannot change it to anything else.  Can anyone explain why changing the paramter to 90 degrees is creating constraint issues

Using Revit LT 2013

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Typhoon

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Joined: Tue, May 22, 2007
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I didn't open your family but "Reference lines"  are the key....

I created a couple of them in the past, they are here at "download" section, take a look....

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mcapri92

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That was the first method I tried and had the same issue.  I am sure it is something simple I am missing

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jlights

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Joined: Tue, Dec 18, 2007
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What Typhoon said. Your angular dimension is between a ref line and a symbolic line. Always dimension between ref planes and/or ref lines, not to symbolic lines and not to extrusions. Delete your symbolic lines that represent the door. Draw a ref line starting at the pivot point and dimension that to the ref plane. Test to make sure it moves as you want it to move. Then draw your symbolic lines and dimension them to the ref line. Test again. If you get another failure, open up the message box and see what it says. It will help you identify what's wrong.

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TKennedy

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Have you tested in a project? I have had issues with testing angle parameters inside the family, they seem to break at 0, 90, 180 & 270. I'm not sure why, but it seems to be something about the way the dimensions work. So, try it in a project, and if it works there just don't set it to 90 in the family.

ETA:

I just downloaded and tested your family, and that is exactly what is going on. 90 works in the project, so just avoid setting the angle to 90 in the family. I would use Typhoon's suggestion of using a Reference Line, and tying the parameter to that. Align and lock the end of the Ref line to the two Ref Planes at the center of the door swing.

Also, your family is breaking at small angles. It seems to be the swing arc line, when the angle is small enough the line is too short. You'll have to do something with that, or just not set the angle to 0.

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WWHub

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If I remember right, because of that problem, I built mine with either 90 or an angle that was not 90.  Two different extrusions.

^^ TOO long ago and I'm to old to remember.

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mcapri92

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Ok I have gone back and tried to build it with reference lines.  I am getting the same error.  When I expand the error message it states the constraints are not satisfied, listing the reference lines and the angle constraint.  Unfortunately, that is not helping me to understand where the problem lies.

I have attached the rebuilt file with the reference line construction.  Prior to this I tried building with one reference line and the rest with symbolic lines (figuring if I could get that to work I would attach the last symbolic line to the reference line)  That had the same errors as the attached file.

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mcapri92

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I hadn't tried loading it into a project.  You are right, it works in the project.  With that being said I will stop beating my head into the wall.  If it works in the project that is all that matters.  I am not too worried about small angles as we never go less than 45 degrees on a door swing display in plan. 

Thank you helping me through this.

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jlights

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Joined: Tue, Dec 18, 2007
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Ah, yes, now that you mention it, I've had that problem with families breaking at 90 degrees, ref line or no. No idea why...

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Typhoon

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Joined: Tue, May 22, 2007
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Watch the video: http://screencast.com/t/fDCGtaCLo0R

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I Hope and I Wish to LEARN  more, and more, and more.... REVIT

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CDWdavid

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Joined: Mon, Aug 4, 2008
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First, jlights' way is the way!

That happened to me so many times. You can try the followings. 1. Delete those symbolic lines for plan swing cut and plan swing projection on ref. level view. 2. Redraw those plan swing cut with 90 degrees from the wall, add dimensions such as door width and thickness. 3. Rotate that plan swing cut to 60 degrees from the wall. If all dimensions are stick with what should be, then go to the next step. if it does not work, then you have to re-draw it, same for followng steps. 4. Add plan swing projection, then to rotate the plan swing cut to 45 degrees. If the plan swing projections are changed accordinly. Then go to the next step. 5. Add swing angle with the label, then go to family property, change the swing angle to 75 degrees. if the swing cuts and projections both changed accordingly, then go to the next step. 6. From the property window change the swing angle back to 90 degrees, and load it to a project. And try to change the door swings to see if everything works. I had to do this excercises for all my door families, sometimes once or twice, sometimes more than 10 times. I haven't figureed it out. So far that was my only suggestion. Good Luck!

You can download my doors, 08-openings, 08 10 00-Doors and Frames, "Adjustable Hollow Metal Doors for CMU Wall-Revised" with others just below it, and play with them, to see if they helped.

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