The GNU 3DLDF Cones Page

Author: Laurence D. Finston.

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Copyright (C) 2006, 2007 The Free Software Foundation

Permission is granted to copy, distribute, and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, with no Front-Cover Texts, and with no Back-Cover Texts. A copy of this license is included in the file COPYING.TXT

Last updated: November 9, 2006

Table of Contents

Introduction

Shadows

The shadow of a double-napped cone from a point source of light at an infinite distance.

Focus:
position = (-3, 15, -30)
direction = (-3, 15, 100)
distance = 15

Point source of light:
angle = 32°
elevation = 25°

The 3DLDF code for generating this image is in cones01.ldf.