Created: 15.02.12
Last Modified: 23.01.13
Contact: griffin.foster@gmail.com

Python module for fitting images (FITS,PNG,JPEG...) to shapelets, support for Cartesian and polar forms using Hermite and Laguerre polynomials.

Based on the shapelet framework developed in Shapelets: I. A Method for Image Analysis and the IDL shapelet software.

• distutils
• matplotlib/pylab
• numpy
• scipy
• pyfits
• PIL
• cPickle (usually a standard install with python)
• pyrap

sudo python setup.py install

The scripts directory contains a number scripts for fitting.

• fitHermite.py: fits beta, and the centroid to use Hermite polynomials(Cartesian)
• fitLaguerre.py: fits beta, and the centroid to use Laguerre polynomials(Polar)
• fitBeta.py: fits only beta, uses a fixed centroid, both sets of polynomials can be fit for
• solveShapelet.py: solve the shapelet decomposition for a given centroid, and beta (Polar or Cartesian)
• plot*.py: scripts for plotting coefficient files, shapelet basis functions and images

scripts/fitBeta.py -r 170,335,195,309 --max data/lba_cyg_250.ms.CORRECTED_DATA.channel.1ch.fits