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louiselessel

@itp_nyu class of 2020
Creative Technologist // New York / Copenhagen

Light Moments no. 4 ⠀⠀⠀⠀⠀⠀⠀⠀⠀ #l

Light Moments no. 4
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#lightandinteractivity #itpnyu
Wednesday, February 19 2020.
9.45am, Bedstuy.
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Angle of incidence reflections. Pink reflections hitting the asphalt of a Bedstuy street.
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I struggled to understand this optical phenomenon on my morning run, here captured from three different angles. At first, I thought it might be coming from the red car, but a bit further down the road (fourth image) I realized that it was in fact the reflections of windows which must be coated in something that causes the pink reflection.
It is apparent that the angle of incidence to my eye changes the color of light even though the light is hitting the diffusing asphalt.

Light Moments no. 2 #lightandinteractivity #itpnyu

Light Moments no. 2
#lightandinteractivity #itpnyu
Monday, December 25 2019. 6PM, RUN entrance.

The light in this image is creating a simultaneous futuristic and 80’s vibe, which caught my eye. The colors remind me of bioluminescence in deep sea jellyfish. This is the entrance to the RUN experience at the Luxor in Las Vegas. It is an optical illusion that protrudes from the entrance and spells out “RUN” (a show name). As you walk towards the entrance (about 10 meters), the word disappears and becomes more like a feeling of speed stripes passing by you. https://www.youtube.com/watch?v=wItaY_6JayA
The LEDs are diffused to a soft light and flushed with the columns to make a coherent structure. The light barely reaches the the floor because of the spread. There is movement in the lights on the columns.

Experimenting with moving sound around in space fo

Experimenting with moving sound around in space for the next couple of months. Starting with movement in mono. I decided the only way I could think of, was playing with reverb delay. When my harp is held upright the sound is co-located. When tilted the sound comes from the distance. Sound in Space class at #itpnyu #soundinspace

Flickers of Light in Dark Times (2019)
⠀⠀⠀⠀⠀⠀⠀⠀⠀ A live motion capture dance performance about getting crushed by the adversity of urban life, and regaining strength by accepting kindness and support. An immersive experience through movement, projection of interactive 3D graphics and 4-channel audio.
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Video here: http://www.louiselessel.com/portfolio_page/flickers-of-light-in-dark-times/

Made a programming jig to fit on top of an Arduino

Made a programming jig to fit on top of an Arduino Uno today. This allows me to use my Arduino to program the ATtiny microcontroller (the small black thing in the middle inserted on the second picture) - essentially allowing me to make my own Arduino from scratch, that is much smaller) #homemadehardware #itpnyu

Light Moments no. 1 #lightandinteractivity #itpnyu

Light Moments no. 1
#lightandinteractivity #itpnyu
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Union Square,
Sunday February 2nd, 2PM
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This is a picture a light fixture at Sit Down NY. The fixture consist of solid glass rods and 6 light buls, though only 4 are lit. Approx. 2-300 lux.
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The light bounces around and is captured and distorted within the rods, giving this fixture both a very expensive look, but also that of a prison for light. The myriad of shadows created on the wall behind the light enforces the feeling of a rigid prison. This is a very harsh light in my opinion, even though the light it casts of is actually soft, due to the overlapping shadows. Curious duality.
The light is called Cole pendant in brass.

Baby steps ... but this might be my favorite @itp_

Baby steps ... but this might be my favorite @itp_nyu class so far. Today I made my very first pcb board from scratch. This holds a simple circuit to charge a 5V battery and check + notify when charged using colored mini LEDs. All materials were prepped by #homemadehardware teacher Andy Sigler. But soon I’ll be making my own LED circuits for my robots 🙏🖤 next week we will build our own microcontroller (like the Arduino). #itpnyu

A still from the performance of Flickers of Light

A still from the performance of Flickers of Light in Dark Times // Dec. 14 2019

Behind the scenes from our performance of Flickers

Behind the scenes from our performance of Flickers of Light in Dark Times. #ue4 #unrealengine #projectionmapping #interactive #visuals #motioncapture

Will be teaching a shader workshop at Processing C

Will be teaching a shader workshop at Processing Community Day NYC 2020
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Getting started with shaders in p5.js
Louise Lessél and Casey Conchinha @kcconch 10-11.30am, February 8 2020
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Shaders are a great way to make moving graphics for your projects, without slowing down your sketch! They execute exclusively on your graphics card and can really supercharge your visuals. However programmers often find shaders intimidating and confusing. This ongoing project aims to make getting started with shaders much more accessible, and much less confusing. By placing shaders in p5.js where many new programmers start out, we hope to show that shaders do not need to be for advanced programmers only. ⠀⠀⠀⠀⠀⠀⠀⠀⠀
The instructors have written an online guide with tutorials (https://itp-xstory.github.io/p5js-shaders/#/) for what shaders are, how to implement them in p5.js in various ways, and how to use shaders from other ressources, such as shadertoy, in your p5.js projects.
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This is a hands-on workshop based on the online guide, and will get you started with shaders, as well as hosting your work on glitch.com.
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Sign up is necessary:
http://processing.nyc/2020/
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#p5js
#processing
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@processingorg
@glitchdotcom

Experiment with Gray Scott Reaction Diffusion algo

Experiment with Gray Scott Reaction Diffusion algorithm.
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[6] Variation on yesterday’s algorithm with manipulation of settings. ⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀
#touchdesigner
#itpnyu
#shaders
#generativecode

Experiment with Gray Scott Reaction Diffusion algo

Experiment with Gray Scott Reaction Diffusion algorithm.
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[5] Same image being fed in twice to test reaction around edges. One version is green (this adds more white to the visuals / feeds more of chemical A to the mix). The other version is red (this reacts with white and produces black / chemical a becomes chemical B). ⠀⠀⠀⠀⠀⠀⠀⠀⠀
They are slightly displaced from each other using a sine and ramp LFO chop. The two videos show slightly different settings for feed and kill rates for chemical A and B. ⠀⠀⠀⠀⠀⠀⠀⠀⠀
See my first post in this series for more info on the algorithm.
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#touchdesigner
#itpnyu
#shaders
#generativecode

Experiment with Gray Scott Reaction Diffusion algo

Experiment with Gray Scott Reaction Diffusion algorithm. [4] Images being fed into the system along with circular ramps. Variation on slow scaling to create trails.

See my first post in this series for more info on the algorithm.

#touchdesigner
#itpnyu
#shaders
#generativecode

Experiment with Gray Scott Reaction Diffusion algo

Experiment with Gray Scott Reaction Diffusion algorithm. [3] Images being fed into the system along with circular ramps. Variation on scaling.

The reactions around the edges are very interesting to me. I’ll test out this reaction more.
See my first post in this series for more info on the algorithm.

#touchdesigner
#itpnyu
#shaders
#generativecode

Experiment with Gray Scott Reaction Diffusion algo

Experiment with Gray Scott Reaction Diffusion algorithm. [2] Images being fed into the system along with circular ramps for modulating the reaction (green) and diffusion (red). I’m interested in how this algorithm can be used to animate static drawings. This first image being fed in is drawn by me, the second image is by @space_bat_killer (support this awesome artist!) for the band Bedroom @noahkittinger (check this music <3). The other 2 images are grafitti from the back and side of a truck I saw in lower Manhattan (let me know if you know the artist/owner!). Since the algorithm is a “living” image processing tool, the image being fed in can be of a small resolution, which is very useful for live visuals use - VJ’ing with video/large images can suck because of huge memory consumption/file sizes.

See my first post in this series for more info on the algorithm.

I’m not going to tag @polyhop in every video because I don’t want to spam him. But the Gray Scott Reaction Diffusion shader I’m experimenting with was implemented by @polyhop (and there should be a tutorial out soon from #TDsummit19). #touchdesigner
#itpnyu
#shaders
#generativecode

Experiment with Gray Scott Reaction Diffusion algo

Experiment with Gray Scott Reaction Diffusion algorithm. [1] Timescale variation in the composite of two ramp inputs being fed into the system.
Shader algorithm originally implemented by @polyhop (videos from #TDsummit19 are still being uploaded so it might not be available yet). The Gray Scott Reaction Diffusion is an algorithm for chemical reactions where you define the the amount of a chemical A, and the amount of a chemical B, as well as a feed rate for A and a kill rate for B. As an algorithm it is implemented in a grid system, meaning each cell reacts to neighboring cell. B reacts with A and turns into B (black in this case), B then dies off after some time.
If I’m understanding this right, the shader input varies the amount of A being fed into the system. For more info: KarlSims . com.
#touchdesigner
#itpnyu
#shaders
#generativecode

Upcoming show: I will be showing a live motion cap

Upcoming show: I will be showing a live motion capture dance performance X projection mapping piece this Saturday December 14th at #itpnyu. Free entrance.
Event info:
https://www.facebook.com/events/441120136803927/

Flickers of Light in Dark Times is a live motion capture dance performance about getting crushed by the adversity in urban life, and regaining strength by accepting kindness and support.
The piece plays with notions of the visible and invisible structures that surrounds us in urban life. The fully motion tracked dancer navigates the spaces in between the audiences, vexing from completely ignoring them, and acknowledging their presence as a source of strength. The audience takes an active role as they offer her support through motion tracked wisps that rattle and sprout lights in the darkness.
With Flickers of Light in Dark Times, the artists create an immersive live experience through movement, projection interactive 3D graphics and music, crafting a cohesive narrative with cutting edge technology.

Made with unreal #ue4

Upcoming show: I will be showing my first explorat

Upcoming show: I will be showing my first exploration of light sculptures in the form of sentient robotic plants (my thesis topic at #itpnyu) this Thursday 12th of December at NYU. 9am-12pm. Open showing. Poster by @elvvvvvv

Data transmitting glove for an upcoming motion cap

Data transmitting glove for an upcoming motion capture + projection project.
For now the glove allows the performer to control the amount of light, based on how hard she squeezes the custom built velostat based sensor on the palm of the hand.
I will replace the teensy with a WiFi board and receive OSC in Unreal for the performance.
#arduino
#teensy
#wearables
#led
#textileinterfaces
#itpnyu

Preview from yesterday’s rehearsal with @haydenn

Preview from yesterday’s rehearsal with @haydennthorpe and brainwave activated lights.

#touchdesigner
#choosemuse
#eeg
#itpnyu

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