Files and their Relationships

Transcription

1 Contents Preface Files and their Relationships 1 The Java Programming Language What is Java? Installing Java: A Simple Program Hello World Syntax Packages JAR Files Language Details Reserved Words Types and Variables Strings, Arrays, Pointers and null Operators Statements Exercises Object-Oriented Features Classes and Objects Encapsulation: public, private and protected Modiers: static and final Constructors and this Extending Classes and Inheritance Everything is an Object Casting Exercises Class-like Objects Exceptions Necessary Classes Useful Examples An Input Line Reader Finding Files Giving the User Choices A Dialog for Text Input iii ix xv

2 iv CONTENTS 2 Spatial Geometry Lines and Planes Translation and Rotation Using 4 4 Matrices Reection Two-dimensional Reection Three-dimensional Reection Projection Parallel Projection Perspective Projection Shading Spheres A Simple Shaded Sphere The Projection A Shading Model The Window Class The Drawing Class Mobile Eye The Drawing Class Keyboard and Mouse Events Geometry Drawable Sphere Overview Drawing the Curves Surface Features Viewing JPEG Files Pasting an Image A Sphere with Surface Details The Ellipse and Kepler's Laws Denition and Parts of the Ellipse Tangent to the Ellipse Polar Representation Kepler's Second and Third Laws Determining Perihelion and Aphelion Kepler's Equation An Animation Astronomy: Overview Introduction An Animation of the Sun and Earth Improved Sphere Class Keyboard Listener Sphere with Equator and Ecliptic A Simple Animation An Improved Animation Coordinate Systems Equatorial Coordinates

3 CONTENTS v Horizon Coordinates Ecliptic Coordinates Time Astronomy: Details Changing Coordinate Systems Hour Angle Right Ascension Equatorial Ecliptic Horizon Equatorial Code for Coordinate Conversion Long-term Variation of Coordinate Axes Qualitative Description Formulas Code for Precession and Nutation Animation of Precession Time Time: A Summary Time: Utility Code Animating the Equation of Time Factors that are Ignored Time Refraction Aberration Relativistic Eects Parallax The Shape of the Earth The JPL Data Chebyshev Polynomials Overview of the Data The ASCII Files The Binary Files Using the JPL Data Serialization Converting the JPL Data to Java Format Coordinates of the Planets Animating the JPL Data A Simple Animation Improving the Animation PlanetState MobileAnim MobilePane

4 vi CONTENTS 9 Adding the Stars Stellar Position and Proper Motion Data The Stars on the Celestial Sphere Displaying the Stars on an OutSphere The StarWindow main()-class Animation of Proper Motion The Planets on the Celestial Sphere Displaying the Planets on an OutSphere The JPLSphereAnim main()-class The Celestial Sphere with Stars and Planets Spaceship Earth View from Inside a Sphere: Code The InSphere Class Helper Classes Explanation of InSphere Projection Zooming In and Out Viewing the Stars InsideStarSphere InsideStarWindow The Stars and Planets InsideJPLSphere CEarthPane CEarthAnim View from Earth's Surface Generating a Static View Animating the View A Mathematical Review 297 A.1 Notation A.2 Trigonometry A.2.1 Inverse Trigonometric Functions A.2.2 Arc-tangent A.2.3 Trigonometric Identities A.3 Vectors A.3.1 The Dot Product A.3.2 The Cross Product A.3.3 Velocity Vector and Angular Velocity A.4 Polar and Spherical Coordinates A.5 Matrices A.5.1 Matrix Algebra A.5.2 The Determinant A.6 Linear Independence A.7 Spherical Trigonometry A.8 Under the Rug A.8.1 Tangents to a Curve or Surface

5 CONTENTS vii A.8.2 Area and Stretching A.9 Utility Code B Contents of the CD 331 B.1 List of Files B.2 Running the Programs B.3 The Java Front-end B.3.1 ListDialog B.3.2 Main B.3.3 CmdRunner B.3.4 CmdLineWindow B.3.5 LineListener B.3.6 InStreamGlue B.3.7 OutStreamGlue B.3.8 CmdLineDocFilter Bibliography 345 Index 351