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Forums >> Revit Building >> Technical Support >> Wrong Reference plane flexing

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Wed, May 19, 2010 at 3:02:15 PM | Wrong Reference plane flexing

#16

coreed


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i think i know what your problem. i see that your are using a EQ function. try this even though you may think it is crazy, it will probably solve your problem. Erase the reference plane tothe left and right  of your center reference plane

then rre-ceate the reference plans to the left and right. but when you create them. offset them equally from the start, this is the most important step. they must be offset equally to start with. then dimsension them and set the EQ function. this should solve your problem.

i can' take credit for this, but it another advantage of being on subscription. Thus having access  to all the AU sessions i try to view them all before the next AU.


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coreed,aia

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Wed, May 19, 2010 at 3:21:26 PM | Wrong Reference plane flexing

#17

Milesalis


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I was hitting the refresh button on the browser to view the new posts.

The origins are the crosshairs in the center.  I didn't have them pinned before.  I just tried pinning them and got an error message..."Constraints are not satisfied". 

 coreed, I haven't gotten a chance to try your method just yet...will do in a few.


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Wed, May 19, 2010 at 3:34:30 PM | Wrong Reference plane flexing

#18

WWHub


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You re-posted again

 


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Tue, Nov 4, 2014 at 4:06:53 PM | WWHub

#19

Badkube


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Quoting WWHub from 2010-04-07 15:18:27

"

Order of creating reference planes has nothing to do with how or when they move.

"

 

I know this is a REALLY old thread but it came up when I was searching for a way to change the hierarchy of Reference planes in families...

As far as I'm aware the heirarchy is based on the order in which the ref planes are created.  It's easy to demonstrate jsut open a family template create 2 new reference planes, add a dimension parameter between them and then flex the family - the reference plane that was created last will move whilst the other remains stationary.  If you pin the second one then the first will move but that not the point here.

What I would like to know is whether or not there is a way to change this hierarchy (and I think this was what the orignal poster of this thread wanted to know).  I've never come across anything but it would be handy to know if it's possible.

 

K.

Edited on: Tue, Nov 4, 2014 at 10:07:24 AM



Edited on: Tue, Nov 4, 2014 at 10:07:50 AM

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Tue, Nov 4, 2014 at 5:12:23 PM | Wrong Reference plane flexing

#20

WWHub


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I did not associate hirearchy with what you demonstrated.  Your test is true as everything in a Revit family follows this apparent rule.  For instance, in order for reference planes to control family elements, the need to be in place before the element is created.  If added afterwards, you then have to add a locked dimension to associate the two. 

 

But this is not really a hierarchy.  Look at the attached 2014 family.   Reference planes one and two were added first then the solid extrusion then the reference plane 3 was added afterwards.   If you move RP1, nothing happens to the extrusion.  If you move RP2, the B side of the solid moves with it.   There were no dimensions added to make this happen.  It is purely by association.  Side A associates with the orginal family vertical reference plane instead of RP 1 because that plane was closer to the extrusion sketch.  Now after adding RP3 inside of RP2 and closer to the solid, what happens?  It doesn't affect anything when moved!

 

As far as I have seen, the only way to control this association (not hierarchy) is by creation order.



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Tue, Sep 22, 2015 at 3:28:40 AM | Wrong Reference plane flexing

#21

pmartini2012


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Despite the many responses, I'm not sure if the initial question was actually answered.  I'm having a similar dilemma where all I need to do is rotate a an extrusion to represent a very diagrammatic solar panel.  I can't believe how frustrating it is to do something that is so simple.  After creating the reference lines, pinning their ends to reference planes, setting the angle parameters, and then additional reference planes for the actual extrusion, I set the parameter between to reference planes to represent the thickness of the solar panel.  Then when I adjust the thickness parameter, instead of the reference plane moving up, the reference LINE moves DOWN and throws everything off.  I can't pin the reference line because then I can't use the angle parameter.  I can't believe how something that is so simple in other pieces of software is so stupidly difficult in Revit--all I want to do is rotate an extrusion.  THAT'S IT.

 

 



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Tue, Sep 22, 2015 at 12:16:50 PM | Wrong Reference plane flexing

#22

WWHub


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If I understand your post, your process is incorrect.  Download the "families Guide" from the autodesk site to learn how to correctly control rotation.  You do not use reference planes.


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Tue, Sep 22, 2015 at 10:51:26 PM | Wrong Reference plane flexing

#23

pmartini2012


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I do indeed use reference lines.  Look closely at the snippet and you will see the green lines denoting reference lines.  The ends of the reference lines are then aligned to the intersection of the reference planes to create a locked point about which they can rotate.  However, despite the fact that the end points of the reference lines are pinned to the intersection of the reference planes, the references lines still yield, even the the reference planes they are attached to are pinned.  It doesn't make any sense to me.


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Wed, Sep 23, 2015 at 1:22:57 PM | Wrong Reference plane flexing

#24

WWHub


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What/why are you pinning?  No need to do that...

...or are you flexing the location of the reference plane location and expecting revit to follow that?


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