GKP process (Q38415)
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Revision as of 15:09, 13 February 2025 by ChrisVG (talk | contribs) (Created claim: Property:P47: These are special projection devices that allowed for a projection with a wide-angle lens onto the horizon, even when the stage was fully illuminated, without the projection shadow falling into the playing field. The devices were therefore not located behind the auditorium and were not housed in the auditorium ceiling or in the portal boxes, nor in the ramp towers, but directly above the stage, 3.50 m behind the ramp on a catwalk. The stage could...)
Method for short trow, corrected projection named after Geyling-Kann-Planer.
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | GKP process | Method for short trow, corrected projection named after Geyling-Kann-Planer. |
Statements
Having worked as head of set design at Vienna's Burgtheater for more than a quarter of a century (1910-1913, 1922-1946), Geyling had no easy time of it in the difficult times following the First World War. But it was precisely during this time of need that he came up with his invention of replacing expensive equipment with the help of ‘optical alternation’. — In collaboration with stage manager Rudolf Lisatz, Professor L. Kann and engineer P. Planer, he developed the GKP process — named after Geyling-Kann-Planer. (English)
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These are special projection devices that allowed for a projection with a wide-angle lens onto the horizon, even when the stage was fully illuminated, without the projection shadow falling into the playing field. The devices were therefore not located behind the auditorium and were not housed in the auditorium ceiling or in the portal boxes, nor in the ramp towers, but directly above the stage, 3.50 m behind the ramp on a catwalk. The stage could be illuminated at any light intensity, but the stage lights were fitted with light shades and apertures on the horizon. The horizon projection was taken care of by the special equipment – with arc lamps – at a steep angle, so that the actors could get close to the horizon without casting a shadow on it. The luminosity of this direct projection was stronger than that of the back projections (Rückpros) that had already been tried out, which were projected onto a backdrop from behind and only had the translucency value of luminosity. (English)
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