4.1 Dynamic Two-Point Perspective Drawing
Nothing pleases me so much as mathematical investigations and demonstrations, especially when I can turn them to some useful practice drawing from mathematics the principles of painting perspective and some amazing propositions on the moving of weights.
—Exit book to another website.Leone Alberti (1404–1472)

Drag the two ideal points to obtain different views.
To reset to the original settings, type the letter "R" on the keyboard.

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This page uses Exit book to another website.JavaSketchpad, a World-Wide-Web component of Exit book to another website.The Geometer's Sketchpad. Copyright © 1990-2001 by KCP Technologies, Inc. Licensed only for non-commercial use.

4.1.1 Introduction to Projective GeometryBack to Introduction to Projective Geometry

Ch. 4 Projective TOC  Table of Contents

  Timothy Peil  Mathematics Dept.  MSU Moorhead

© Copyright 2005, 2006 - Timothy Peil