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Allow Different Heights Between Groups

Allow Different Heights Between Groups

Groups don't allow different actual heights between them and this limitation force us to duplicate them and have multiple groups that are identical in plan with the only difference being the height.

 

This limitation creates extra work as each change has to be done multiple times, one for each duplicated group.

And that is if you are lucky enough to know which groups need to be updated for every change. This workflow leads to inconsistency and mistakes while requiring more coordination.

 

It also makes managing the unnecessary larger number of groups and model extremely difficult and also negates the efficiency of using groups for repetitive instances.

Changing one or more floor to floor heights when the project is advanced is the task I dread the most as it can take a couple of days of unnecessary work and frustration.

 

We use groups for apartment types, columns, cores, kitchen, bathrooms, etc  in multi residential buildings and often the floor to floor is not constant throughout the tower.

 

Ideally the group will allow for heights to be from Base Constraint to Top Constraint regardless of the actual height.

9 Comments
bosborne
Advocate

I think the issue here is dead-on, but there might be a bigger issue at hand.  Currently - the only type of parameter that can vary between groups is Text.  This is not right.  Other parameters should also be able to be denoted as "vary's between groups" as well.  The topic above is one case where this is a no-brainer.  Another is length type parameters that denote an elevation of something - if you have a 10 story bldg - the elevation of something in a group on the 5th floor will obviously be different than the elevation of something on the first floor - but it's a length type of parameter, therefore it is not variable between groups....

DMK™
Enthusiast

Yes, its pretty strange, especially for walls and columns, when they may have the same top and bottom offset from level, but different height depending on level height, however, unfortunately, Revit works in another way. 

For the same wall/column layout in polan but different levels I need to create separate groups.

DMK™
Enthusiast

There is some lagging solution for Walls group, in case if Top Constraint is unconnected you can set "Unconnected Height" for smallest level and then manually attach walls in group at other larger levels, so they will change height and remain in the same group. Unfortunately, it doesnt work w/ Columns, as far as I know.

jeremy
Participant

Such a good idea DMK, nice one!

Anonymous
Not applicable

It seems that you can attach walls to floor even if part of the group. Select individual wall instance outside of the group editor and use Attach Top / Base command.

 

Nathan-Hayes
Community Visitor

If you are getting fix group errors, I have fixed it by highlighting all the walls in a group, selecting Detach Wall/Base, and setting the unconstrained heights of the walls to a set height.  Complete the group, sync/save, then adjust the wall heights as needed.

3dignacio
Community Visitor

As I can see nobody gave a sht about this. Shame autodesk

john.r.abisch
Explorer

I am running into this same issue as of today and this is the first time I am researching this issue. I'd like my first floor units to have a 10 ft ceiling, and the floors above to have a 9 ft ceiling height. I'd like to avoid creating alternate unit plan groups at all cost. I would imagine that the top constraint being connected to the level above should be variable between a duplicated unit. This really needs to be fixed by Autodesk. The workaround that Nathan Hayes posted above is what I am doing, but unfortunate.

defrancisci.arq
Explorer

I think this is more than essential, as well as having the possibility to manage layers at both sides of a wall independently. Wake up Autodesk, this should be ABC priorities... the software has many limitations for daily work.

 

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