Elektronische Computergrafik (Electronic Computer Graphics)

Basic Information

Title: Elektronische Computergrafik (Electronic Computer Graphics)
Artist(s): Otto Beckmann Alfred GraßI
Date Created: 1968
Framed Dimensions: 12.75 x 15.5 in.
Unframed Dimensions: 10 x 12.5 in.
Medium:
Inventory ID: Beckmann/Grabi-1968-02

Description

signed and dated lower right in print
titled lower left in print

hardware: Markov Process Generator built by Alfred Grabi
output machine: Tektronix 564B Storage Oscilloscope

Produced at Institute of Low-Frequency Engineering at the Technical University, Vienna

Through the possibilities offered by the oscilloscope for variation, the various modes of expression are simultaneously available in one and the same stochastic process. These variation possibilities include the adjustability of the amplitudes assigned to the states of the process, regulation of the brightness, setting of the time base, and so on. This allows the artist to intervene creatively in the process running. One also gets laminar structures, whereas the corresponding graphic of the Graphomat would have a more linear character.
Compared to the methods for generating computer graphics so far, this results in two main innovations:
1. The use of a noise generator as a source of true randomness.
2. The use of an oscilloscope to make the desired processes visible.
Using reprographic processes, the screenshot of the image on the monitor was transferred to aluminum panels; for works in color ColorKey film was used

 

Detail images of the work

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