Little study: 2 triplets containing a neutral, 2013
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a gift :)
adrienlucca
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Tag: grey
July 26, 2012
D65 n°3 part II starts
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I’m gonna do a “lamp simulation” (a circular gradient with constant tint and varying brightness, based on the abstract model of a “perfect lamp,”) based on 11 colors: 3 times RGB with 3 levels of brightness (I dont enter into the detail of how I choosed them) and Black/White.
July 21, 2012
hi-resolution pictures of the prototype
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Light ON/OFF, hi-resolution orthographic panorama made with Hugin.
For me, there’s not much difference between such a work (the prototype, made of laserprints on paper) and a “traditionnal painting.”
I’m really starting to think it’s just the same thing, like Richter includes amateur photography in the field of “painting.”
July 20, 2012
Light Transformer Prototype v.2
The prototype is finally finished!
So, to explain in a few words: 1-the amount of light projected by high-power spots on the wall has been measured. 2-an algorithm has been created to absorb the light using black over white laser-prints until the wall’s surface emits the same amount of light to the eyes of an observer situated in front of it. 3-The central part of this print has been cut and the same process remade a second time within the limits of this cut.
The impression produced is impossible to reproduce in photography, so the pictures there are just “documentation.” The impression is a bit like if the light was actually coming from “behind” the wall, like if the rectangle was a “window,” opening the wall, like in a dark corridor…
I’m really happy with it, I think it would be great to remake this much bigger the next time (and after developping the tools for it, I could make it much faster and more precisely…) I’m thinking of a “virtual corridor.” I’ve always been attracted by the idea of “remaking” the corridors of italian museums, where you walk slowly and stop at every painting on your sides. I could now make the painting of a corridor of paintings… :)
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NORMAL LIGHT
TRANSFORMED (EQUALIZED) LIGHT
July 19, 2012
about to end
The central part being equalized.
Something is slightly wrong – the values are increasing where the light is intense -, but it’s still very close to what I wanted (an equalized luminance everywhere in the rectangle).
July 10, 2012
good & bad news :)
The bad news: the laser printer cannot handle large black prints, some unit of the printer makes a random glossy layer on it.
the random gloss
the (very) good news id that the luminance correction is not very angle-dependant, means that except for that random gloss, the correction works at a wide variety of viewpoints, that’s really nice.
from the left side, the gloss dissappears and the flat is still “flat.”
below: zooms on different parts from the left side (same shutter speed)
July 9, 2012
a good “flat”
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Here it is: a “flattened” wall, made of a white wall, 2 halogen lights & 1 spotlight, white paper and black toner ink.
The numbers, L* values in photoshop color picker, are approximate and dont take into account vignetting of the camera, but basically it works! And the random-pixel pattern has no border effect, nice :)
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Above is the calculated density for the black relative to the local luminance of the wall.
come back soon! ;)
June 30, 2012
equalization success!
Adrien Lucca & Robert Ochshorn, Aalst, 30th June 2012.
The 3 squares on the left were exctracted from the picture. The light is almost perfectly equalized. My Minolta Luminance-Meter gives values 15-17 cd/m² all over the covered surface of the wall.
Robert has to go to Nepal, I’ll continue alone next week.
Thanks Rob’
June 27, 2012
wall to be visually uniformized: “ganzfeld” prototype
I will try to create a “ganzfeld” on this wall by subtracting light (using black printed patterns.)
This is the object of my residency at Netwerk, Aalst, BE, from last Monday to next Saturday.
More documents will come…
May 4, 2012
just before vanishing
One more layer of color and the entire section will appear grey, and the circular zones will disappear.
Details below
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January 31, 2012
Print test sheet n°2
detail, statistical grey, 12 colors:
Red / Orange / Yellow / Apple / Green / blue-green / Cyan / light blue / deep Blue / blue-violet / Magenta / rose-red
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entire test sheet
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October 19, 2011
LT v2.01
(Light Transformer version 2)
python-generated random black & white pixel picture (50% black squares) printed to be silkscreened
thanks toRobert Ochshorn
