Coloured shadows is an installation with rotating coloured plastic “stripes” which lay on top of a chain that is driven by a small motor. By placing the piece in front of a window in direct sunlight, colourful reflections will appear in the room.
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Coloured shadows is an installation with rotating coloured plastic “stripes” which lay on top of a chain that is driven by a small motor. By placing the piece in front of a window in direct sunlight, colourful reflections will appear in the room.

Anya is live and ready to show you everything. Watch her strip, dance, and perform exclusive shows just for you. Interact in real-time and make your fantasies come true.
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Lightweaver-Projection
Searching and thinking about a material, which I can use for a curvey back-projection. It has to be flexible like plastic, half-transparent and white colored. But it has to be a big surface also, like 5 x 3 meter. I researched on the internet and found some possibilities:
Use a thick plastic foil with half-transparent-paper. Use a “Glas-Decor”-Foil (thick plastic-foil with rough surface *expensive*) Use big thin Paper (120g - 180g)
Videotest 2 for Face warp
Videotest 1 for Facewarp
Code update for Motion Sensor Face Warp Project
After a few test i have seen that the Serial Monitor of the Arduino was sometime wrong and just had wrong data.
Like you can see here:
To kill that for a fluetly installation, i updated the code and inserted a filter. Here is the updated code for the Arduino with comments:
#define trigPin 12 #define echoPin 13
float looper,zwischenspeicher; //global cache & Looper (for init the programm with zero at startup)
void setup() { Serial.begin (115200 ); pinMode(trigPin, OUTPUT); pinMode(echoPin, INPUT); looper=0; //Init with zero zwischenspeicher=0; //Init cache with zero }
void loop() { float duration, distance;
digitalWrite(trigPin, LOW); delayMicroseconds(2);
digitalWrite(trigPin, HIGH); delayMicroseconds(10); digitalWrite(trigPin, LOW);
duration = pulseIn(echoPin, HIGH);
if (looper == 0){ zwischenspeicher = (duration / 2) * 0.0344; }// save first messure into the cahe
else { zwischenspeicher = (zwischenspeicher +( (duration / 2) * 0.0344))/2; } // addition of the actuall messuringpoint to the chache and divide by two
looper++; // Looper is going up 1 step
if (looper >= 100){ //if 100 times messured distance = zwischenspeicher; //cache is distance looper=0; // reset looper zwischenspeicher=0; // reset cache Serial.println(distance); // output }
delay(5); // delay shorter for for output }
Now it looks more like this:

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Thinking about Lightweaver
The question was ... how I can get the recipient more into the visual installation, so that someone is thinking he’s really in a another world. So the idea is to give the projection a curvey look. Something like a 180° Projection-Wall. The result should be a effect of immersing into that installation.
I tried out the curvey projection on a A4-Paper with a little Beamer and two holding boxes. The backprojection is working well and I can imagine, that this setup will immerse the recipient more into the lightweaver.
The next step will be, to produce more visuals which have more thickness at their edges (in the particle system).
Animation of the projection
ShadowTalk
http://issuu.com/lilinjie/docs/shadow
LIGHTWEAVER
Project-Definition
On a white wall will be a projection and its size will be relative to distance of the recipient. The projection is a generative visual of an imploding particle system. If someone comes closer than four meters, the whole visual of the particle system fades in. The particles are kind of abstract organic matter. The closer someone get to the wall, the more the organic matter comes back to its origin. The dimensions of the room are about 6 x 4 meter for the projection wall and about 10 meter in depth and it should be dark to have a good contrast for the projection. The starting point for the recipient will be a printed visual of the particle system. From there, the recipient should walk to the wall and see the effect of interaction with the installation. The distance is measured by an ultrasonic-sensor which is connected to an Arduino and a computer. The connection-line is like ultrasonic-sensor – Arduino – computer – beamer. To shrink / grow or fade in / fade out the visual of projection, a code uses the distance-values of the ultrasonic-sensor. Following Code is used to measure the values of the ultrasonic-sensor via Arduino: #define trigPin 10
#define echoPin 13
void setup() {
Serial.begin (9600);
pinMode(trigPin, OUTPUT);
pinMode(echoPin, INPUT);
}
void loop() {
float duration, distance;
digitalWrite(trigPin, LOW);
delayMicroseconds(2);
digitalWrite(trigPin, HIGH);
delayMicroseconds(10);
digitalWrite(trigPin, LOW);
duration = pulseIn(echoPin, HIGH);
distance = (duration / 2) * 0.0344;
if (distance >= 400 || distance <= 2){
Serial.print("Distance = ");
Serial.println("Out of range");
}
else {
Serial.print("Distance = ");
Serial.print(distance);
Serial.println(" cm");
delay(500);
}
delay(500);
}
What is still missing?
The next step should be to connect the measured values of the ultrasonic-sensor with the time of the video for the visual.
Needed solutions:
fade in / fade out at a distance about 4 – 6 meters (depends on the room)
shrink / grow

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Face Warp
The idea is inpired by the movie „39,90“ (or 99F in the original title). In the beging of the film the maincharacter is looking into a mirror. His face is changing in diefferent parts, while he is looking into the mirror. His nose, his eyebrows and his chin are changing to parts of another person. I want to recreate this experience in a different way. For that i am photographing eight different persons (man and woman). The pictures will show the same neutral mien with the same light and the same crop. The face will change in different parts in the installation. These parts will be: mouth/chin, eyes/nose and form of the head/hair/ears. Size of the room will be 1.30 meter width and 3.50 meter length. The walls will be painted black to bring the focus to the Screen placed at the end of the room. To change the size of the room, i will use panels. The first face you will see will allways be the same. A ultrasonicsenor used by a arduino will detect the location of the person in the room. It begins to react with a length of three meters and begins with that distance to change the face in parts. If you take a step back the face will change backwords. In the whole distance the face will change seven times. These changes will need one second and will blend the different pieces together. The Screen will be controlled by a raspberry pi.
… or as PDF

Anya is live and ready to show you everything. Watch her strip, dance, and perform exclusive shows just for you. Interact in real-time and make your fantasies come true.
Free to watch • No registration required • HD streaming
Creative Physics – Beirut
Creative Physics Sidra Ashraf Media Spaces 2016