Raw image sequence: Difference between revisions
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<source lang="python"> | <source lang="python"> | ||
# rawimagesequence.py | |||
import struct, sys | import struct, sys | ||
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out.close() | out.close() | ||
</source> | </source> | ||
python rawimagesequence.py | |||
The outer loop of this script produces each of the 24 individual frames. Each frame has a different brightness calculated from full on (white) to full off (black). | |||
[[File:RawImageSequenceOutput.png]] | [[File:RawImageSequenceOutput.png]] | ||
Revision as of 13:16, 5 November 2013
Following on from the Raw image example...
# rawimagesequence.py
import struct, sys
width = 320
height = 240
header = struct.pack("<BBBHHBHHHHBB",0,0,2,0,0,8,0,0,width,height,32,1<<5)
totalframes = 25
for frame in xrange(totalframes):
out = open("frame%04d.tga" % frame, "wb")
out.write(header)
for y in xrange(height):
for x in xrange(width):
r = (1.0-(float(frame)/totalframes))*255
g = r
b = r
a = 255
out.write(struct.pack('B', b))
out.write(struct.pack('B', g))
out.write(struct.pack('B', r))
out.write(struct.pack('B', a))
print r
out.close()
python rawimagesequence.py
The outer loop of this script produces each of the 24 individual frames. Each frame has a different brightness calculated from full on (white) to full off (black).
Using Imagemagick to convert this to an animated gif:
convert frame* fadetoblack.gif
