Columns do not move with curved gridlines; rotated columns do not move with gridlines ever.

[wbarker3WQJ3]

Hello, I am learning Revit and, having searched the forms in vain, I come to you with this issue:

• Columns centered on a straight gridline move with the grid. This is the expected behavior.
• Columns centered on a curved gridline do not move with grid,
• columns rotated at an angle do not move with their gridlines in either case.

In each case, "Moves With Grids" is checked. 

Is there any reason or way to correct this behavior?

Thank you!

[vitorbortoncello]

"Moves With Grids" only works reliably for unrotated elements on straight grids; it does not function for curved grids or rotated columns.

[RDAOU]

@wbarker3WQJ3 

The "Move with Grids" option does work with both curved grids and rotated columns (see GIF below). Unless you're doing something very unusual, the columns move perfectly fine along intersections of curved and linear grids. In the GIF below, all columns are rotated and associated with both a linear and a curved grid.

However, if you're placing a column at the intersection of more than two grids, you need to be mindful of which two grids the column becomes associated with.

It can be fragile when a column falls at the intersection of three grids during movement. In such cases, the column might automatically get re-associated with a different pair of grids. But again, this isn't unique to curved grids—it's the same behavior you'd see with three intersecting linear grids.

The real question is: how likely is this to happen in a normal workflow, unless someone is intentionally trying to break it?

[wbarker3WQJ3]

The gif shows exactly the behavior I would expect, but it just does not happen with mine. I have tried it in all manner of ways but I cannot get them to move together without using the align command and locking them together, which I would rather not do. Understood re: more than two intersecting gridlines. 

best,
Will

[RDAOU]

@wbarker3WQJ3 

You should not need to use align... As long as Move with Grids is checked and the column was associated with the right pair of grids it will rotate with them...

• if you have 3 intersecting grids you need to isolate the primary pair. 
• when placing the column the two grids it is being associated with get highlighted (Notice in the GIF below I am using TAB to rotate column along the secondary Grid but I am snapping it to the "circular + the other linear grid"...When either of the latter or both move, the column moves along.)
• If you are using the auto-place at grid line tool, watch out for which grids are being selected. Revit might associate the columns randomly 

And here is an example with Rotated columns on multiple pairs of Circular grids