freedoom/patches/sky4a.gif
RjY 3d464fd265 patches/textures: replacement E4 starry sky for Double Impact
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>
2013-12-18 08:02:21 +00:00

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