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"Ascension of the Ego" - Austin Osman Spare (1886 - 1956)

EXCERPTS >|< Journey to the Center of a Triangle (1976)


 | Hosted at: Internet Archive
 | From: Academic Film Archive of North America
 | Download: Ogg | 512Kb MPEG4 | MPEG2
 | Digital Copy: not specified


A series of Animated GIFs excerpted from Journey to the Center of a Triangle (1977): another fabulous film by the Cornwells, created on the Tektronics 4051 Graphics Terminal. Presents a series of animated constructions that determine the center of a variety of triangles, including such centers as circumcenter, incenter, centroid and orthocenter. More on the Cornwells at http://www.afana.org/cornwell.htm

According to son Eric Cornwell, here’s how the film was made: The 4051 produced only black and green vector images, not even grey scale. The film’s scenes were divided into layers in the programming, one layer for each of the colors in the scene, and each was shot separately onto high-contrast fine-grained b&w film stock. The final scene in “Journey” had 5 layers: one for each of the four colored dots, plus one for the white triangle and line. 

These five clips were then multiple-exposed onto color film on an optical printer, using colored filters to add the desired color to each black&white layer as it was copied. The resulting color was much better than a film of an RGB display would have been because the color filters on the optical printer allowed access to the full range of the color negative film, allowing much more saturated colors. All of that color is pretty much lost now, between prints fading and/or transfers to the VHS, and then viewing them on a computer screen which has a much more limited color gamut. Please imagine it all in bright, brilliant colors. (from Internet Archive)

We invite you to watch the full video HERE.




EXCERPTS by OKKULT Motion Pictures: a collection of GIFs excerpted from out-of-copyright/historical/rare/controversial moving images. 
A digital curation project for the diffusion of open knowledge.

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A Day in the Life of R2D2.

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