File:Taumatropio fiori e vaso, 1825.gif

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Taumatropio_fiori_e_vaso,_1825.gif ‎(175 × 175 pixels, file size: 153 KB, MIME type: image/gif, looped, 40 frames, 10 s)

Description

File:Taumatropio fiori e vaso, 1825 Frame 1.png and File:Taumatropio fiori e vaso, 1825 Frame 2.png animated using this Python and ImageMagick script: 

import subprocess
filename_filter = 'Taumatropio_fiori_e_vaso,_1825_Frame_%d.png'
filename_out    = 'Taumatropio_fiori_e_vaso,_1825.gif'
delays = [max(4, abs(i * i * i) / 10) for i in range(-10, 10)]
flags  = []
for delay in delays:
 flags.append('\\\n -delay %3.0f' % (delay))
 for i_frame in range (1, 2 + 1):
  flags.append('-page 0+0 %s' % (filename_filter % (i_frame)))
command = 'convert %s \\\n -loop 0 -transparent "#030303" "%s"' % (' '.join(flags), filename_out)
print(command)
print((subprocess.Popen(command,stdout=subprocess.PIPE, shell=True).communicate())[0])
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Date/TimeThumbnailDimensionsUserComment
current20:40, 21 January 2016Thumbnail for version as of 20:40, 21 January 2016175 × 175 (153 KB)CmgleeVary speed to show both sides separately.
22:37, 17 October 2008Thumbnail for version as of 22:37, 17 October 2008175 × 175 (8 KB)Sailko{{Information |Description=see filename |Source=web |Date=1825 |Author= see filename or category |Permission={{PD-Art}} |other_versions= }} Category:Thaumatrope
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