2012

While using 3D Free Orbit, the cursor changes as it is moved to indicate how
the model will be orbited when clicking and dragging.
View rotation is determined by the placement and appearance of the cursor
as follows:
Sphere Encircled by Two Lines When you move the cursor inside the arcball,
it changes to a small sphere encircled by two lines. If you click and drag in
the drawing area you can move freely around the objects. It works as if your
cursor is grabbing a sphere surrounding the objects and dragging it around
the target point. You can drag horizontally, vertically, and diagonally using
this method.
Circular Arrow When you move the cursor outside the arcball, it becomes a
circular arrow. Clicking outside the arcball and dragging the cursor around
the arcball causes the view to move around an axis that extends through the
center of the arcball, perpendicular to the screen. This is called a roll.
Horizontal Ellipse When you move the cursor over one of the small circles
on the left or right side of the arcball, it becomes a horizontal ellipse. Clicking
and dragging from either of these points rotates the view around the vertical
or Y axis through the middle of the arcball.
Vertical Ellipse When you move the cursor over one of the small circles on
the top or bottom of the arcball, it becomes a vertical ellipse. Clicking and
dragging from either of these points rotates the view around the horizontal
or X axis through the middle of the arcball.
3D Free Orbit Cursor Icons | 41