2011

Table Of Contents
Quick Reference
Commands
DVIEW
Defines parallel projection or perspective views by using a camera and target.
PLAN
Displays an orthographic view of the XY plane of a specified user coordinate
system.
System Variables
BACKZ
Stores the back clipping plane offset from the target plane for the current
viewport, in drawing units.
FRONTZ
Stores the front clipping plane offset from the target plane for the current
viewport, in drawing units.
VIEWDIR
Stores the viewing direction in the current viewport, expressed in UCS
coordinates.
VIEWTWIST
Stores the view rotation angle for the current viewport measured relative to
the WCS.
WORLDVIEW
Determines whether input to the DVIEW and VPOINT commands is relative
to the WCS (default) or the current UCS.
Shade a Model and Use Edge Effects
Hiding lines enhances the drawing and clarifies the design. The addition of
shading produces a more realistic image of your model.
Use a Visual Style to Display Your Model
Visual styles control the display of edges and shading a viewport.
92 | Chapter 10 Change Views