Transformations with the Mouse

Rotatethe model

Move the mouse to a location within the main portion of the Viewer's window.

 Hold down the left mouse button and move the mouse pointer in various directions. The model rotates.

Release the mouse button.

NOTE: The best way to understand mouse rotations is to consider the viewer screen as a ball floating in a bowl of water. Where you start with the mouse and where you end (release) determine the angle of rotation.

Scalethe model

a.  With the mouse, point to and select the object in the View window.

b.  Hold down both the Shift key and the left mouse button (or the middle button alone).

c.  Keeping the Shift key and mouse button held down, move the mouse pointer downward or to the left. As we do, the model scales down. Moving the mouse pointer upward or to the right scales up.

d.  Release the Shift key and mouse button (or the middle button).

e.  The wheel on wheel mice also zooms in and out.

Move(Translate or Pan) the model

a.  With the mouse, point to the model in the View window.

b.  Hold down the right mouse button and drag the object up, down, and around, then center the model.

c.  Release the mouse button.

 

 

Mouse-controlled operations

What to do

Translate

Drag the object with the right mouse button (RMB)

 

Rotate

Drag the object with the left mouse button. (LMB)

 

Scale

Hold down the Shift key and drag the object with the left mouse button. (Shift-LMB)

or

Use the middle mouse button or wheel as a button without Shift

or

Use the Wheel (on mice so equipped)

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