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Interactive Astronomy Using 3D Computer Graphics
 

Summary: Interactive Astronomy
Using 3D Computer Graphics
(MA2288 UROPS)
Wu ChengYuan
Supervisor: Associate Professor Helmer Aslaksen
Abstract
Understanding spherical astronomy requires good spatial visualization. Un-
fortunately, it is very hard to make good three dimensional (3D) illustrations
and many illustrations from standard textbooks are in fact incorrect. There
are many programs that can be used to create illustrations, but in this re-
port we have focused on TEX-friendly, free programs. We have compared
MetaPost, PSTricks, Asymptote and Sketch by creating a series of illustra-
tions related to the problem of why sundials sometimes go backwards in the
tropics.
Contents
1 Introduction 3
1.1 Advantages of programmatic drawing programs . . . . . . . . 4
1.2 Evaluation criteria . . . . . . . . . . . . . . . . . . . . . . . . 4
2 MetaPost 7
2.1 Input/Output . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

  

Source: Aslaksen, Helmer - Department of Mathematics, National University of Singapore

 

Collections: Mathematics