NUMIS
The Northwestern University Multislice and Imaging System (NUMIS) is a package is written by Professor Laurence Marks of Northwestern University. It uses a command line interface (CLI) and is based in UNIX. A structure file must be provided as input in order to run use this code, which makes it ideal for advanced users. The NUMIS multislice programs use the conventional multislice algorithm by calculating the wavefunction of electrons at the bottom of a crystal and simulating the image taking into account various instrument-specific parameters including and convergence. This program is good to use if one already has structure files for a material that have been used in other calculations (for example, Density Functional Theory). These structure files can be used to general X-Ray structure factors which are then used as input for the PTBV routine in NUMIS. Microscope parameters can be changed through the MICROVB routine.
http://www.numis.northwestern.edu/ourwiki/index.php/Multislice
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