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BUILT-IN WOLFRAM LANGUAGE SYMBOL

# ViewPoint

ViewPoint
is an option for Graphics3D and related functions which gives the point in space from which threedimensional objects are to be viewed.

## DetailsDetails

• ViewPoint->{x,y,z} gives the position of the view point relative to the center of the threedimensional box that contains the objects.
• The view point is given in a special scaled coordinate system in which the longest side of the bounding box has length 1. The center of the bounding box is taken to have coordinates .
• Common settings for ViewPoint are:
•  {1.3,-2.4,2} default setting {0,-2,0} directly in front {0,-2,2} in front and up {0,-2,-2} in front and down {-2,-2,0} left‐hand corner {2,-2,0} right‐hand corner {0,0,2} directly above
• The following symbolic forms can also be used: »
•  Above above, along the positive z direction Below below, along the negative z direction Front in front, along the negative y direction Back at back, along the positive y direction Left left, along the negative x direction Right right, along the positive x direction {Left,Top}, etc. corners
• Choosing a ViewPoint farther away from the object reduces the distortion associated with perspective.
• Infinite coordinates can be used to specify orthographic views: »
•  {0,0,Infinity} view from above (plan view) {0,0,-Infinity} view from below {0,-Infinity,0} view from the front (front elevation) {0,Infinity,0} view from the back {-Infinity,0,0} view from the left {Infinity,0,0} view from the right
• The coordinates of the corners of the bounding box in the special coordinate system used for ViewPoint are determined by the setting for the BoxRatios option.
• In a notebook front end, dragging with the mouse rotates a 3D object, by changing the azimuthal components of ViewPoint, as well as the setting for ViewVertical.
• Dragging with the mouse while pressing Ctrl, Alt, or Option zooms in or out, changing the value of ViewAngle, but keeping ViewPoint fixed.
• Explicit settings for ViewVector or ViewMatrix override settings for ViewPoint.

## ExamplesExamplesopen allclose all

### Basic Examples  (3)Basic Examples  (3)

Specify the view point using special scaled coordinates:

 Out[1]=

Use symbolic view points:

 Out[1]=

Specify orthographic views:

 Out[1]=