...
Moving the gnomon on the YZ plane:
...
3D
...
translation
Move the entire gnomon freely along the view plane in 3D by clicking the origin and moving the cursor.An example of moving
...
Moving the gnomon origin:
...
2D rotations
pt 1: move
...
Rotation about an axis
Click the rotate axis control to rotate the gnomon about an axis.
...
Rotation about the Y axis:
...
2D rotation a
3D rotations
Cancel actions when active gnomon
Cancel by right-clicking