Tutorials

• Tutorial wcs module
  • Introduction
  • Coordinate representations
  • NumPy arrays and matrices
  • Attributes
  • Invalid coordinates
  • Reading data from a FITS file
  • Celestial transformations with wcs
  • Spectral transformations
  • References
• Tutorial maputils module
  • Introduction
  • Maputils basics
  • FITS files
  • Prompt functions
  • Image objects
  • Graticules
  • Rulers
  • Contours
  • Colorbar
  • Adding pixel coordinate labels
  • Adding a beam
  • Markers
  • Sky polygons
  • Combining different plot objects
  • External headers and/or data
  • Re-projections and image overlays
  • Plotting markers from file
  • Mosaics of plots
  • Interaction with the display
  • Movies
  • Coordinate transformations
  • Glossary
• Least squares fitting with kmpfit
  • Introduction
  • A Basic example
  • Function simplefit()
  • Standard errors of best-fit values
  • Goodness of fit
  • Profile fitting
  • Fitting data when both variables have uncertainties
  • Confidence- and prediction intervals
  • Special topics
  • Glossary
  • References
• Tutorial tabarray module
  • Introduction
  • Simple interface functions
  • Tabarray objects and methods
  • Glossary