pgSphere 1.5.1
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pgSphere 1.5.1

pgSphere Development Team

Table of Contents

1. Overview

1.1. What is pgSphere?

2. Installation

2.1. Download
2.2. Install
2.3. Configure Extension

3. Data Types

3.1. Overview
3.2. Point
3.3. Euler transformation
3.4. Circle
3.5. Line
3.6. Ellipses
3.7. Path
3.8. Polygon
3.9. Coordinates range
3.10. smoc: HEALPix Multi-Order Coverage map

4. Constructors

4.1. Point
4.2. Euler transformation
4.3. Circle
4.4. Line
4.5. Ellipse
4.6. Polygon
4.7. Path
4.8. Coordinates range
4.9. smoc

5. Operators

5.1. Casting
5.2. Equality
5.3. Contain and overlap
5.4. Crossing of lines
5.5. Distance
5.6. Length and circumference
5.7. Center
5.8. Change the direction
5.9. Turn the path of a line
5.10. Transformation
5.11. smoc operators

6. Functions

6.1. Area function
6.2. spoint functions
6.3. strans functions
6.4. scircle functions
6.5. sellipse functions
6.6. sline functions
6.7. spath functions
6.8. spoly functions
6.9. sbox functions
6.10. smoc functions
6.11. Epoch propagation

7.1. Spherical index
7.2. smoc index
7.3. Hash index

8. Examples

8.1. Astronomical

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		Chapter 1. Overview