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Double Impact's original sky texture is derived from an image with unknown copyright restrictions (see [1]). Construct a replacement from an image of the globular cluster M80 from the Hubble Space Telescope (Credits: NASA; public domain; sources [2] [3]) and a random starfield image generated by ImageMagick (adapted from [4]) Note the original's "dark sky with bright shadow-casting light source" effect which was built into the maps - this replacement is carefully tuned to preserve that effect (as any improvement should also do). [1] http://www.doomworld.com/vb/post/1222877 [2] http://en.wikipedia.org/wiki/File:A_Swarm_of_Ancient_Stars_-_GPN-2000-000930.jpg [3] http://grin.hq.nasa.gov/ABSTRACTS/GPN-2000-000930.html [4] http://www.imagemagick.org/Usage/advanced/#stars Signed-off-by: RjY <rjy@users.sourceforge.net>
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rjy/sky4a.gif |