The Visual Module of VPython

VPython is the Python programming language plus a 3D graphics module called "Visual" developed by David Scherer. This document describes all of the Visual capabilities. To invoke the Visual module, place the following statement at the start of the file:

from visual import *

       cylinder Start with cylinder: much of what is said here applies to other objects as well.

arrow	label
cone	frame: combining several objects into one
pyramid	faces: low-level object for special purposes
sphere	Additional Attributes: visible, frame, display, class, members
ring	Convenient Defaults
box	Rotating an Object
ellipsoid	Specifying Colors
curve	Deleting an Object
helix	Limiting the Animation Rate
convex	Floating Division: 3/4 is 0, but 3./4. is 0.75 in Python

Vector Computations

• vector, including mag, mag2, norm, cross, dot, rotate, diff_angle
  

Plotting Graphs of Functions or Data

• Graph Plotting: gcurve, gdots, etc.

Windows, Mouse, and Keyboard Interactions

• Controlling Windows: display windows, lighting, and camera position
• Mouse Interactions
• Keyboard Interactions
• Controls: buttons, sliders, toggle switches, and pull-down menus

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