Tutorials#
To Start#
Quick Start
Recommended for beginners
Learn bases of healpix-geo in 15 minutes : conversions of coordinates, understand depth, and visualised your first HEALPix cells.
Ellipsoids
Understand why and how to use ellipsoid of reference such as WGS84 for precise geodesic calculations.
Basic Tutorials#
Coordinates Conversion
Master the conversions between geographic coordinates (lon/lat) and HEALPix indices, with the different indexing schemes.
Cover requests
Learn to find all HEALPix cells that intersect a region.
Advanced Tutorials#
Working with MOC
Use les Multi-Order Coverage maps to represent complex regions in a compact way.
Performance optimisation
Techniques for optimizing performance: vectorization, multi-threading, and best practices.