Welcome to the Tractor’s documentation!

• Introduction to using The Tractor
  • Sources, positions, and brightnesses
  • Parameters
  • Thawing/Freezing Params
  • Optimization / Fitting
  • Multi-Image Optimization / Fitting
• Once-asked Questions
  • Q: My images have some crazy WCS that your code doesn’t understand. What do I do?
  • A:
• API Reference
  • Flat list
  • Ducks
  • Utilities
  • Basics for standard images & catalogs
  • Core Tractor routines
  • SDSS Galaxies
  • SDSS images & catalogs
  • CFHT images & catalogs
• Case Study: Extending the Tractor to do Strong Gravitational Lensing
• Using Ceres Solver with the Tractor
  • Building Ceres Solver

Indices

• Index
• Module Index
• Search Page