If you apply both an alignment and length constraint Revit will complain that it cannot maintain both kinds of constraints. You can choose to remove the constraints. Revit will remove the length constraint and try to keep the alignment constraint.
This image portrays windows that are aligned and locked to each other and the first window has a locked dimension to position it near the wall.




Similarly, equality constraints lose to length constraints. Do both of these on elements and Revit will offer the same warning. When you choose to remove constraints Revit will try to keep the length constraint and remove the equality constraint.
1 comment:
The same rule to modeling should apply to Revit has it does to the manufacturing solid modeling.
First try and constrain with what is called a geometric constraint, if you can not use a geometric constraint then use the dimensional constrainted
Pat
http://www.cadenhancement.com
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