Cory Arcangel
↩ Things I Made
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Title: Gif
Year: 2006
Medium: Pen on paper.
Elevator pitch: Gif file written by hand.
ps: Handmade Gif is a Gif file I wrote by hand in binary. This of course is pointless, but I chose to do this as an exercise in order to familiarize myself with the basics of compression for no reason other then I wondered how it worked. Since Gif was the oldest common compression format, I picked it first. And because I was writing it by hand I picked a really small and easy one to do, which was a 2 pixel wide by 2 pixel high square. Black, White, on top of White, Black. U can see it re-sized above (the grey sections are aliasing which are not included in the oriignal, ... I swear!, download it and check it out. :)
Gif Code Explanation
header: 474946383961
image map size: 0200 0200
global color flag, not sorted, 1 bit per color, size of color table 2: 80
no background (unused): 00
no pixel aspect ratio: 00
black: 000000
white: FFFFFF
image separator: 2C
image distance from l / r in image map: 0000 0000
image size: 0200 0200
non interlaced, and no local colors (not sorted and no size): 00
size of LZW code chunks (=3): 02
length of LZW code section: 03
LWZ code: 448202
next LZW code size: 00
end of file: 3B
It is a 2 by 2 black and white checker GIF…
BW WB
Imgs ↴
¯\_(ツ)_/¯
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