4.1 Dynamic Illustration of the Perspective View Through a Pin Hole
The laws of nature are but the mathematical thoughts of God.
—Exit book to another website.Euclid (300 B.C.)

Pin Hole

Move the stick person's hand up and down.
Move the pin hole - point O.
Observe how the position of the hand changes on the focal line.

Timothy Peil, 4 February 2013, Created with GeoGebra

4.1.1 Introduction to Projective GeometryBack to Introduction to Projective Geometry
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  Timothy Peil  Mathematics Dept.  MSU Moorhead
© Copyright 2013 - Timothy Peil