| Task | Short Description |
| C2GIMFIT2D | Simultaneous bulge+disk decomposition in two colors using the Metropolis Algorithm |
| C2GSIMUL | Creates SExtracted image simulations of simultaneous bulge+disk decomposition in two colors |
| GSIMUL | Creates SExtracted bulge+disk image simulations |
| GASYMUL | Creates SExtracted asymmetric galaxy image simulations to test effects of asymmetries on B+D decompositions |
| GSELFUNC | Constructs the multidimensional photometric selection function for any science image |
| GGROUPER | Does all the complex image extraction and bookkeeping for MGIMFIT2D |
| MGIMFIT2D | Simultaneous bulge+disk decomposition to an arbitrary number of images using the Metropolis Algorithm |
| MGRESIDUAL | Creates multiple residual images from the output of MGIMFIT2D |
| GALIMAGE | Creates a bulge+disk model given any set of parameter values. Useful for simulation work. |
| GALPARAM | Computes basic image moments of an object |
| GBKG | Computes local background parameters |
| DQFCOMB | Combines Data Quality Files (DQF) of an image stack and flags
pixels with NO good values in the stack |
| GBADPIX | Applies DQF mask to SExtractor segmentation image |
| GSCRIPTER | Prepares an input file for XGAL and an IRAF reduction script for GIMFIT2D |
| GREDCHI2 | Computes reduced CHI2 of final galaxy model fit |
| GRART | Computes various residual image asymmetry indices |
| XGAL | Extracts
postage-size images from the science and segmentation images |
| GIMFIT2D | 2D bulge/disk galaxy decomposition using the Metropolis Algorithm |
| GVISUALIZER | Provides the user with a simple graphical interface to
review the status of the fitting process at any given iteration |
| GRESIDUAL | From a collection of "postage stamp" galaxy
fitting residual images, it creates a galaxy-free version of the
original input image |
