mmechtley/psfMC — pull request #4 by mmechtley (2014-03-07 16:46:26+00:00)
Title: Bug/sersic integration

Improved per-pixel integral estimates for Sersic surface brightness profile, by calculating the gradient and using it to estimate the error resulting from just using the values at the pixel centers. Now calculate the estimated barycenter for each pixel and use the SB value for it. Per-pixel fractional error is now a maximum of ~2%, occurring in the central 4 pixels. Outside that region, fractional error is smaller.