4.1 Animation Illustration of Pyramids from One-point Perspective
Everything in nature adheres to the cone, the cylinder, and the cube.
—Exit book to another website.Paul Cezanne (1839–1906)

        Drag the red point to see the three pyramids form different one-point perspectives or click on the Animate Ideal Point button to animate the pyramids. In one-point perspective, all observation lines intersect at an ideal point along a horizon line. Note the horizon line and the ideal point in the illustration.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