SM2701 Class 02

SM2701 Theories of Interactivity – Class 02 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

SM2701 Theories of Interactivity – Class 02 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

SM2701 Theories of Interactivity – Class 02 Numerical representation Created from scratch on computers Converted from analog media (digitization) Think about how the animation and ca students work on their projects.

SM2701 Theories of Interactivity – Class 02 Numerical representation Created from scratch on computers Converted from analog media (digitization) Can we really tell?

SM2701 Theories of Interactivity – Class 02 Generated or digitized?

SM2701 Theories of Interactivity – Class 02 Generated or digitized? By Holly Wong

SM2701 Theories of Interactivity – Class 02 Digitization Sampling - temporal Quantization - spatial

SM2701 Theories of Interactivity – Class 02 Analog representation of media On Fourier Transform Run the sample at http://www.jhu.edu/%7Esignals/fourier2/index.html

SM2701 Theories of Interactivity – Class 02 Digital Sampling of Analog Media Run the sample at http://www.jhu.edu/%7Esignals/sampling/index.html

SM2701 Theories of Interactivity – Class 02 How can we compare analog and digital media?

SM2701 Theories of Interactivity – Class 02 Is old media equal to analog media? Half-tone in printing

SM2701 Theories of Interactivity – Class 02 Is painting analog?

SM2701 Theories of Interactivity – Class 02 Chuck Close

SM2701 Theories of Interactivity – Class 02 Morse Code

SM2701 Theories of Interactivity – Class 02 Morse Code Run the sample at http:// morsecode.scphillips.com/jtranslator.html

SM2701 Theories of Interactivity – Class 02 Musical Score

SM2701 Theories of Interactivity – Class 02 Musical Score Composition in musical score Performance by the orchestra Recording of the performance

SM2701 Theories of Interactivity – Class 02 Dance Score

SM2701 Theories of Interactivity – Class 02 Can visual media do the same?

SM2701 Theories of Interactivity – Class 02 Instruction Paintings By Yoko Ono, 1961 A + B PAINTING Cut out a circle on canvas A. Place a numeral figure, a roman letter, or a katakana on canvas B on an arbitrary point. Place canvas A on canvas B and hang them together. The figure on canvas B may show, may show partially, or may not show. You may use old paintings, photographs, etc. instead of blank canvases.

SM2701 Theories of Interactivity – Class 02 Instruction Paintings By Yoko Ono, 1961

SM2701 Theories of Interactivity – Class 02 Postscript %! %% Draws a one square inch box and inch in from the bottom left /inch {72 mul} def % Convert inches->points (1/72 inch) newpath % Start a new path 1 inch 1 inch moveto % an inch in from the lower left 2 inch 1 inch lineto % bottom side 2 inch 2 inch lineto % right side 1 inch 2 inch lineto % top side closepath % Automatically add left side to close path fill % Fill in the box on the paper showpage % We're done... eject the page

SM2701 Theories of Interactivity – Class 02 Is it a painting? void setup() { size(400,400); smooth(); noLoop(); } void draw() { background(0); ellipse(width/2,height/2,100,100); }

SM2701 Theories of Interactivity – Class 02 Is it a computer program? Can a computer program drawing a picture be a piece of artwork?

SM2701 Theories of Interactivity – Class 02 Can digital data be analog?

SM2701 Theories of Interactivity – Class 02 Modularity Object-oriented authoring software Structured programming practice

SM2701 Theories of Interactivity – Class 02 Modularity Object-oriented authoring software Structured programming practice How is it related to Automation and Variability?

SM2701 Theories of Interactivity – Class 02 Data and logic (algorithm) In computer programming, why do we need to separate clearly data and logic?

SM2701 Theories of Interactivity – Class 02 Data and logic (algorithm) In a typical blog or portal website, can you easily identify which is data and which is logic (control)? For example, the SCM web at http:// www.cityu.edu.hk/scm / or my personal blog at http:// www.bryanchung.net /

SM2701 Theories of Interactivity – Class 02 Data and logic (algorithm) How is this philosophy different from traditional art practices?

SM2701 Theories of Interactivity – Class 02 Database as metaphor of art Huge amount of media elements are stored in databases. Interactivity is achieved through various access paths to the data.

SM2701 Theories of Interactivity – Class 02 Examples from film Man with a movie camera Images from http:// en.wikipedia.org

SM2701 Theories of Interactivity – Class 02 Examples from film Man with a movie camera

SM2701 Theories of Interactivity – Class 02 Examples from film Tulse Luper’s Suitcases Images from http:// www.tulselupernetwork.com/basis.html

SM2701 Theories of Interactivity – Class 02 Examples from film Tulse Luper’s Suitcases

SM2701 Theories of Interactivity – Class 02 Discussion How should we approach to view these two films?

SM2701 Theories of Interactivity – Class 02 More examples Urban Feedback – London and Tokyo

SM2701 Theories of Interactivity – Class 02 Is it different?

SM2701 Theories of Interactivity – Class 02 Transcoding Try to remember the Letrism exercise a lot of you have done.

SM2701 Theories of Interactivity – Class 02 Transcoding Case 1: write a program to turn all the pixel information of a photo into sound with frequency corresponding to the brightness of the pixel. Case 2: write a program to capture the words typed by the participants. For each character, convert it into a colour pixels on the screen.

SM2701 Theories of Interactivity – Class 02 Transcoding How would you comment on these two great artworks?

SM2701 Class 02

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SM2701 Class 02