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TextMap is applied to the picture.
Use arrow keys to control viewpoint (Up, Down, Right, Left).
Press "w" to toggle wireframe mode.
Press "u" move the car to upward and backward, respectively.
Press "t" to make the car disappear and back.
Press "h" to change the directional or positional light.
Press "1", "2", "3" to toggle Red, blue and white light on and off,respectively.
Press "4" to zoom out.
Press "5" to zoom in.
Press "ESC" to exit program.