If you specify zero segments the default a.
Revit roof reference plane.
Click modify to end the line.
Will go with it.
In revit reference planes can be used for two main purposes.
Reference planes add a reference plane use the line tool or the pick line tool to draw a reference plane.
Now the trick is select and name the ref.
Hide the reference plane in the view hide a selected reference plane or all reference planes in.
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.
Used in this way they are acting as simple construction lines.
In the drawing area select the arc line.
Plane if you don t none of this works.
Using the reference plane you can control the position of the extruded roof in relation to a level.
On the properties palette specify a value for number of full segments.
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.
Click finish edit mode and then open a 3d view.
Align roof ridges in a plan view add a reference plane.
Sketch the profile of the roof as an open loop.
Click architecture tab work plane panel ref plane.
Revit places a reference plane at the specified offset.
In the drawing area draw the reference planes by dragging the cursor.
Simply they can be used to form a draft outline of where you need to position certain elements.
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.
In the drawing area sketch a reference plane that is not perpendicular to the roof ridges.
On the draw panel click pick lines.