source: GTP/trunk/App/Demos/Illum/Envmap/ReadMe.txt @ 1468

The standalone DirectX application demonstrates the indirect illumination techniques described above, coupled with approximate ray tracing techniques and fast rendering of realistic metals. Lots of parameters can be controlled using the graphics user interface or hotkeys.
The most important parameters are listed here. For a complete list of available parameters, press F1 in the application.

Run
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Copy EnvMap.exe (from the Debug or Release directory) to the solution'S directory and run.

Build
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Simply load and build the solution file (EnvMap_2003.sln)

Usage
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Mouse: rotate/zoom camera
Arrow keys: move object
Keys 0-9: choose object mesh
TAB/Q: choose rendering mode 
F: Load environment from a HDRI File
A: Automatically re-generate environment maps in each frame.
Space: manually re-generate environment maps.  
S: Save a screenshot

You can switch between different meshes using keys 0..9. All media files are placed in the Media subfolder.