3-22 Here's a trial run of a change I made which allows parameters to be saved and then loaded by a parser later on.
5-26 Here is an image made where I changed the code in glellipse to fix the horizontal line problem. An einstein ring was produced from a point source, which gridlines every 20 pixels (1px = 0.38 arcseconds).
5-27 The file big-lens-grid0lensedimage.gif has a grid line drawn every 50 pixels. 1 pixel = 0.38 arcseconds.
ellipse-catalog These are images of the deflection angles of given elliptical distributions.
exam These are images used in the exam presentation of ray_trace_ellipse.