Changing the Magnification

The magnification of the top, front, and side views of the model can be changed in several ways.  To zoom in by a factor of two, select View|Zoom In or click on the Zoom In button .  While the cursor is over the model, it will change to a magnification glass with a plus sign in the middle if the magnification can be increased.  The user then clicks at the location he or she desires to be in the center of the view of the model after zooming in.  

To zoom out by a factor of two, select View|Zoom Out or click on the Zoom Out button .  While the cursor is over the model, it will change to a magnification glass with a minus sign in the middle if the magnification can be decreased.  The user then clicks at the location he or she desires to be in the center of the view of the model after zooming out.  

To zoom in to a specific region select View|Zoom or click on the Zoom button .  While the cursor is over the model, it will change to a magnification glass if the magnification can be increased.  The user clicks down on one corner of the region he or she wishes to zoom in on, moves the mouse to the other corner and releases the mouse button.  The selected region will be displayed at a higher magnification.  

To change the magnification of the 3D view of the model, hold down the right mouse button.  Then click on the 3D view and move the mouse either up or down.  Moving it up will increase the magnification. Moving it down will decrease the magnification.