Parameters
- Centre
- The coordinates of the centre of the plane
- Normal
- A vector defining the direction of view
- Up
- The direction to be "up" in the resulting view.
- Zoom
- The zoom factor to use - see notes in remarks
All coordinates are in "real world" coordinates, measured in mm.
Zoom is relative to a "standard" zoom which is internally calculated to include the whole image within the visible display area.