Fundamental Concepts

Overview

HEALPix is a spherical tiling system with three fundamental properties:

1. Equal Area - All cells have the same area

2. Iso-latitude - Cells are arranged in rings of latitude

3. Hierarchical - Natural tree structure

For more details, see:

• HEALPix - Complete HEALPix Introduction

• Quickstart - Quick Start Tutorial

• Terminology - Glossary of Terms