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This program compiles on GNU/Linux, Mac and Windows (this port is currently in development and may not run). It requires: -qmake, -make, -g++ in GNU/Linux or Mac -Visual C++ or MinGW with g++ in Windows -Qt 4, -OpenGL 3.1 or GLew 1.3.5, -freeglut (maybe it also works with glut), -libjpeg, -libpng, and -libnetpbm (if using any compiler other than Visual C++). In windows, you need to get libjpeg, libpng and libnetpbm from the GnuWin32 project (http://gnuwin32.sourceforge.net). Additionally, you need flex because it contains an implementation of unistd.h. To build in GNU/Linux and Mac, simply run qmake and make. In Windows, it would be easier to go through QtCreator (of course, you can also use QtCreator on GNU/Linux and Mac). By default, the interface lets the user choose, beyond our method, between common projection methods. The compilation flag PANO_EXTENDED_CONTROLS can be added to show controls for other state-of-the-art projection methods. To configure, you can set in the file ~/.panorc the following options. shader_dir=<path to directory containing the shader files> image_file=<full path to the desired input file> image_dir=<path to directory containing the input files> fov=<starting value of fov, in degrees> max_fov=<starting value of max_fov, in degrees> If the program is compiled with the PANO_EXTENDED_CONTROLS flag, these options are also available. pd=<Pannini d parameter> zblambda=<Zorin-Barr lambda parameter> zbR=<Zorin-Barr R parameter> Lines in the file must start with option names, and no spaces should go between option names, equal signs and values. If no shader path is set, the default is ./shaders/. If no input file is set, or the file is missing, a file chooser will be shown at startup. The default value of max_fov and fov are 60 degrees. pd, zblambda and zbR are specified in floating-point, following machine locales.