Tweak appearance/methods of the coordinate frame widget.
- Make the origin glyph a neutral color (light grey/white) rather than blue.
- Expose a
SetDirection()
method for use in ParaView. - Make the axis lines thicker.
- Expose a method to scale the axis line lengths relative to the display size.
- Fix a bug in
SetLockedAxis()
where it would not respond toAxis::NONE
.