What are the kind of constraints can be used in Revit?

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What are Revit constraints?

Constraints build intelligence into the model, defining relationships and interdependencies between elements. Create constraints by applying locked dimensions and alignments, or attaching elements together (such as walls and roofs).

How do you add constraints in Revit?

Lock a permanent dimension to create a constraint. When you place a permanent dimension, you can click the lock icon for the dimension and create a constraint. A constraint (dashed blue line) appears when you select its references, as shown in the following image.

What is top constraint in Revit?

Top constraint is where the top of the wall is constraint to. If you set this on unconnected you specify the wall’s unconnected height. Alternatively you can specify a level as top constraint, the wall will then run up to this level. Additionally you can specify an offset for both the base and top constraints.

How do you edit constraints in Revit family?

Reveal Constraints

On the View Control Bar, click (Reveal Constraints). …
Select a constraint to highlight the elements that are constrained. …
Optional: Remove the constraint by simply deleting it, or by unlocking it. …
On the View Control Bar, click to exit Reveal Constraints mode.

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How do I delete a constraint in Revit?

Remove Constraints

Select a dimension.
Do any of the following: Click a lock to unlock it. Click the EQ symbol to remove an equality constraint. The EQ symbol appears with a slash through it when the equality constraint is not applied. Delete the dimension that corresponds to the constraint.

How do you lock a level in Revit?

Administrator-Level Locks

Open the Revit Server Administrator.
In the tree control, select the item, and click (lock). Note: If you use the command-line utility to apply a lock, the lock icon displays after a refresh operation, and information about the model in use displays in the right pane.

Where is the view control bar in Revit?

The View Control Bar is located at the bottom of the view window above the status bar and includes the following tools: Note: The exact tools available on the View Control Bar depends on the view type. Show/Hide Rendering Dialog (Available only when the drawing area displays a 3D view.)

How do I delete a host in Revit family?

You can’t change the host. Each family is associated with an RFT Template.

…

So you have 3 options :

uncheck workplane-based from the properties panel in the rfa.
create a ref-plane in the project and align your workplanebased rfa to it.. after this can be moved together.
use this rfa as a nested in a new generic family.

How do you offset walls in Revit?

About Offsets

Move or copy: Click Modify tab Modify panel (Offset).
Create: When sketching an element and the Draw panel is displayed, use the Options Bar to specify offset parameters. Offset: Specify the distance by which you want to offset the element. Chain: Create a chain of offset elements.

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How do I change the base offset in Revit?

Select the imported or linked geometry. On the Properties palette, set the Base Level and Base Offset instance parameters. Alternatively, you can select the geometry in an elevation view and move it to adjust the base offset value. To move the geometry below the base level, enter a negative offset.

How do you extend a wall in Revit?

Procedure

Select the trim extend multiple command.
Select the item to trim or extend to.
Select the items to be trimmed or extended.