Developed by Louis Audoire in 1975 at the University of Vincennes, the "COLORIX" allowed connection between a computer and a tv screen, it was a primitive kind of raster graphics. With COLORIX 1 the number of adressables points on the display was 4047, the image was constituted by 57 lines and 71 columns. The total number of colors was 4096 colors, 4 bits for the red, green or blue, which means 16 levels of intensity for each color. Two years later, with the COLORIX2 we were able to have an image of 384 by 256 points. 98304 points in all . The number of colors was the same: 4096 colors. Its connection to a computer LSI11 of 64K enlarged our possibilities of programmation: curves of free shape, beginning of 2D surfaces, these experiments led us to a new approach of realism. The two versions were used by the G.A.I.V, "Groupe d'Art et d'Informatique de Vincennes, as well as on the occasion of numerous concerts around Giuseppe Englert.
- 1980 Realizations with Colorix 1
Realizations with Colorix 2: 384 x 240 pixels, 4096 colors : Having purchased a computer LSI 11, with 32k of memory, it became possible to use again the fortran language, real numbers and to abandon straight lines. By choosing a type of particular curves , "parametrical curves B-Spline", for their convenience and aesthetics, we did not imagine all the developments to come...
70 x 56 pixels, 4096 colors: We had the disposal of a "télémécanique" computer of 16k of memory, and a language LISP not managing real numbers... With only integers we were obliged to revise our programming and to start with simple elements. We began with straight lines, and have been happy to arrive at a filled triangle. Some of these pictures constitute an animation of 10mn Bobos Nonos
realized in 1979 available for consultation on the site of archives video of the University Paris 8. ( with Adobe Flash Player