Orthogonal view mode.

The perspective is way too strong. I need an Orthogonal view mode to make it easier when placing buildings, pipes and planning things.

In addition, I would like to lock rotation about the Z axis in this mode to a specified value. Such as 10 degrees for example.

There are keys that allow me to rotate the view now, but the angle distance is random. I want to be able to lock the rotation to the orthogonal directions. Like north, south, east and west.

An orthographic camera mode would be especially useful for the "edit area" function of mining control towers and vehicle zone editing.