Alternatively they can actually be used to control the formation and position of 3d geometry.
Revit roof reference plane.
Now the trick is select and name the ref.
Simply they can be used to form a draft outline of where you need to position certain elements.
Sketch the profile of the roof as an open loop.
Used in this way they are acting as simple construction lines.
Reference planes add a reference plane use the line tool or the pick line tool to draw a reference plane.
Plane if you don t none of this works.
If you specify zero segments the default a.
Will go with it.
In the drawing area draw the reference planes by dragging the cursor.
Name reference planes name each reference plane so you can assign it to be the current work plane.
To pick an existing line.
Usually when i create a model in revit not necessarily a family i use reference planes as guides to constrain all other elements on them.
First of all create a reference plane in desired position and if you like lock it to the roof plane this way if you raise the roof the purlins etc.
In the drawing area select the arc line.
In the drawing area sketch a reference plane that is not perpendicular to the roof ridges.
On the properties palette specify a value for number of full segments.
Align roof ridges in a plan view add a reference plane.
For example i may lay out the perimeter of my building and then align and lock walls floors ceilings and roofs even area boundaries on those reference planes.
In the drawing area sketch.
Hide the reference plane in the view hide a selected reference plane or all reference planes in.
Revit places a reference plane at the specified offset.
Click architecture tab work plane panel ref plane.
Click finish edit mode and then open a 3d view.
Click modify to end the line.
Click architecture tab work plane panel ref plane.