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Contents

Classes

University of Washington, Digital Arts and Experimental Media

Summer 2011

DXARTS 470 Sensing and Control Systems for Digital Art

Sensing and Control Notes

Spring 2011

DXARTS 473 Mechatronic Art

Winter 2011

DXARTS 472 Mechatronic Art

Fall 2010

DXARTS 471 Mechatronic Art


University of California, San Diego, Visual Arts Department

Spring 2010 - Time and Process Based Digital Media

Course page Time and Process Based Digital Media

Winter 2010 - Electronic Technologies for Art

Electronic Technologis for Art I

VIS 147A # ELECTRONIC TECHNOLOGIES FOR ART I 4 units;

This course will develop artworks and installations that utilize digital electronics. Techniques in digital electronic construction and computer interfacing will be learned that will allow for interactive control of sound, lighting and electromechanics will be learned. Students will construct devices which can responsively adapt artworks to conditions involving viewer participation, space activation and machine intelligence.

VIS147A Winter 2010

Spring 2009 - Electronic Technologies for Art

Electronic Technologies for Art

Teaching Resources

potential classes

Advanced Video Processing

Language Processing for Art

workshops

Language Processing and Self-Representation

Reference

dig lit, writing

other

NLP

Fabrication

fabrication and rapid prototyping


Projects

Mechatronic Art 473 - Spring 2011

Mech473

Digital Sound 463 - Spring 2011

Sound463

Script

Script

ElectroStim

ElectroStim

Cultural Studies 487 - Autumn 2011

Bculst487

PhD Bibliography

PhDBibliography

Proposals

EMPAC

DAC 2009

Compact Space W2010

Conferences

Krysta Now

Krysta Now

American Industry

generative

  • BlackBox is an applied research resource. The group’s parametric modeling and scripting expertise is focused primarily on two broad areas of interest: the search for the “optimal” (goal-oriented) and the search for the “novel” (explorational). http://www.som.com/content.cfm/services_blackbox

mediated cultures / digital ethnography

MediatedCultures @ Kansas State

http://mediatedcultures.net/mediatedculture.htm

Networked Individualism

http://en.wikipedia.org/wiki/Barry_Wellman

social dimensions

LCD hacks

DIY Projector from LCD panel

Lense hacks

Scanner cameras

DOF adapters

Vision

Translating - assistant in language learning. Vision

NLP

NLP

Video Tools

Non-finalcut capture path

  • FireWireSDK capture utility to m2t file
  • m2t to mov:

ffmpeg -i ocean_hdv_ca_200903_200911.m2t -f mov -vcodec copy -acodec copy ocean_hdv_ca_200903_200911.mov

High Resolution Video

  • 24P workflow with open source tools [2]
  • HDMI capture card (BlackMagic Intensity) [3]
  • PCI-Mini and BlackMagic card solution on MBPro [4]

Sub-titles and Closed- Captioning

subtitle manipulation

VIDEO CONVERSION

VIDEO -> FRAMES

  • ffmpeg -i infile.avi -s 720x480 -f image2 infile-%03d.tga
  • ffmpeg -i toiletpaperhead\ wind.mov -deinterlace -r 0.5 -an -y -vcodec mjpeg -f image2 -sameq /Volumes/Reservoir/Frames/toilet_0.5/toiletpaper_wind_0.5_%05d.jpg

FRAMES -> VIDEO

ffmpeg -i /Volumes/Reservoir/Frames/toilet_0.5/toiletpaper_wind_0.5_%05d.jpg \ -r 30 -vcodec mpeg4 -an -b 4000k toiletpaper_wind_0.5.mp4

  • Force input framerate to 8 fps, output framerate to 30fps:

ffmpeg -r 8 -i dfsp%04d.tif -r 30 -vcodec mpeg4 -an -b 24000k dfsp03.mp4

  • imagemagick to crop/convert images:

convert '*.tif' -resize 1280x720 resized/dfsp%04d.tif

convert -verbose 'dfsp01_%04d.tif'[1-500] -resize 1280x720 resized/dfsp%04d.tif

  • converting through python script
from subprocess import call

import sys
for i in range(751,6992):
    try:
        cmd = "dfsp01_%04d.tif -resize 1280x720 /Volumes/Reservoir/Process/dfsp/dfsp%04d.tif"%(i, i)
        print "convert " + cmd
        retcode = call("convert " + cmd, shell=True)
        if retcode < 0:
            print >>sys.stderr, "Child was terminated by signal", -retcode
        else:
            print >>sys.stderr, "Child returned", retcode
    except OSError, e:
        print >>sys.stderr, "Execution failed:", e
  • downsizing 4k frames to HD 1080p (using imagemagick):
imconvert scstereo_01628.tif -geometry 1920x1080 small.tif
  • joining left and right frames to make single-frame images (with python and imagemagick montage command):
 from subprocess import call
 
 import sys
 for i in range(0,5856):
    try:
        cmd = "-geometry +0+0 left/scstereo_left_%05d.tif right/scstere_right_%05d.tif -depth 8 joined/wide_1080p_%05d.tif"%(i, i, i)
        print "montage " + cmd
        retcode = call("montage " + cmd, shell=True)
        if retcode < 0:
            print >>sys.stderr, "Child was terminated by signal", -retcode
        else:
            print >>sys.stderr, "Child returned", retcode
    except OSError, e:
        print >>sys.stderr, "Execution failed:", e

TIMELAPSE

ffmpeg -r 1 -i %04d.jpg -vcodec mjpeg -qscale 1 -s 1440x1080 -an output_1080.avi

Misc

ffmpeg to make a dvd

DV cam as a webcam

Monitor Mount

Modifying VideoInput lib for OpenFrameworks

DirectShow details: 

// Setup the other filters necessary to handle MPEG2TS Stream
// Capture Device -> MPEG-2 Demultiplexer -> ffdshow Video Decoder -> Frame Grabber

// MPEG-2 Demultiplexer Filter
// Major Type: Video
// Sub Type: MPEG2_VIDEO
// Format: MPEG2Video
// New Pin
//   Name: Video
//   Media Type: MPEG2 Program Video
// PID Mapping:
//   PID: x0810
//   Pin: Video
//   Elementary Stream (A/V only)

// ffdshow Video Decoder Filter
// Codecs
//   Format: MPEG2
//   Decoder: libmpeg2
//   Supported FOURCCs/remarks: MPEG2 codec
// In: 
//   Major Type: Video
//   Sub Type: MPEG2_VIDEO
//   Format: MPEG2Video
// Out:
//   Major Type: Video
//   Sub Type: YV12
//   Format: YV12 1536x-1080, 12bits,
//   Aspect Ratio: 16x9,
//   Interlace format: Frames
//   rcSrc=[0,0,1440,1080]
//   rcDst=[0,0,1440,1080]

Book Formatting

Auto-generating Books

  • render txt files to whole-page images

OS hacking

even better... sun virtualbox

virtual box

slipstream installers

slipstream windows install

live CDs

XP from USB stick

  • article [5]
  • forum [6]
  • microsoft CAB SDK [7]
  • WinISO [8]
  • from make magazine [9]

Corn Fed Nation

Related Links

cellulite

corn fed nation

car games

lcd tv

Graphic Design Service

E-Ink Facemask

Performance

Semantic Web

Graphing

Misc

visualization

decision making algorithms

MedTech

DIY ECG

other

Transcranial Magnetic Stimulation (TMS)

Electronic Muscle Stimulation (EMS)

MedTech

Map-Reduce

Massive Data Storage: the cloud

Massive Data Storage

Misc

AJAX versus traditional web design

Enabling OBEX with motorola Razr V3c

Online Culture

Forensic Photoshop

Articles

HCI Rich Guidance

Classes

Linux Commandline Stuff

remove page numbers in place with perl

perl -pi -e "s/p+\s+\d+(-\d*)*\.|p+\d+(-\d*)*\.//g" reading.txt

rsync to transfer files to server

  • local current directory to home/pictures directory:

rsync -avz --stats --progress Pictures roberttwomey.com:~/pictures/

  • local directory to current directory:

rsync -avz --stats --progress /Volumes/BOOTCAMP/Users/rtwomey/Documents/ .

  • local directory to server backup:

rsync -h -e ssh -avz --stats --progress ./Movies/* b393466@hanjin.dreamhost.com:~/Movies/

rsync -e ssh -avz --stats --progress ./Documents USER@SERVER.dreamhost.com:~/

  • server backup to local directory:

rsync -e ssh -avz --stats --progress USER@SERVER.dreamhost.com:~/Documents .

  • grab documents from online backup:

rsync -n -h -e ssh -avz --stats --progress b393466@hanjin.dreamhost.com:~/Documents/dxarts473_s11/ Documents/

rsync push.sh

with optional delete 

#!/bin/bash

echo name of script is $0
echo first argument is $1

if [ $# -lt 1 ]
then
        echo "usage: $0 [DIRECTORY]"
        echo "  or"
        echo "       $0 -n [DIRECTORY]"
        echo "  or "
        echo "       $0 -n --delete [DIRECTORY]"
        exit
fi


if [ $1 = "-n" ]
then
        if [ $2 = "--delete" ]
        then
                cmd="rsync -n --delete -h -e ssh -avz --stats --progress $3 b393466@hanjin.dreamhost.com:~/$3"
        else
                cmd="rsync -n -h -e ssh -avz --stats --progress $2 b393466@hanjin.dreamhost.com:~/$2"
        fi
elif [ $1 = "--delete" ]
then
        cmd="rsync --delete -h -e ssh -avz --stats --progress $2 b393466@hanjin.dreamhost.com:~/$2"
else
        cmd="rsync -h -e ssh -avz --stats --progress $1 b393466@hanjin.dreamhost.com:~/$1"
fi

echo $cmd
$cmd

rsync pull.sh

#!/bin/bash

echo name of script is $0
echo first argument is $1

if [ $# -lt 1 ]
then
	echo "usage: $0 [DIRECTORY]"
	echo "  or"
	echo "       $0 -n [DIRECTORY]"
        echo "  or "
        echo "       $0 -n --delete [DIRECTORY]"
	exit
fi

if [ $1 = "-n" ]
then
        if [ $2 = "--delete" ]
        then
                cmd="rsync -n --delete -h -e ssh -avz --stats --progress b393466@hanjin.dreamhost.com:~/$3 $3"
        else
                cmd="rsync -n -h -e ssh -avz --stats --progress b393466@hanjin.dreamhost.com:~/$2 $2"
        fi
elif [ $1 = "--delete" ]
then
        cmd="rsync --delete -h -e ssh -avz --stats --progress b393466@hanjin.dreamhost.com:~/$2 $2"
else
        cmd="rsync -h -e ssh -avz --stats --progress b393466@hanjin.dreamhost.com:~/$1 $1"
fi

echo $cmd
$cmd

finding things with ls and grep

  • find this filename in a recursive search and show previous 30 lines of result:

ls -laR . | grep -b30 "scale_signal.o"

forwarding localhost mysql to a remote machine

  • do this to connect to 192.168.0.39 for instance:

ssh -f -L 3306:localhost:3306 rtwomey@192.168.0.39 sleep 10

  • tunnelMySql.sh:

ssh -fNg -L 3306:localhost:3306 rtwomey@192.168.1.191

grabbing a website with wget

  • grab a website recursively

wget -r --level=1 http://www.ppc.sas.upenn.edu/ppquestionnaires.htm

GCC Stuff

forcing compile as 32bit, i386 on os x

  • find occurrences of '-m64':

grep -r0 -e"x86_64" *

  • replace occurrences of '-m64' with '-m32':

grep -l -r0 -e"-m64" * | xargs sed -i "" 's/-m64/-m32/g'

  • replace occurrences of x86_64 with i386:

grep -l -r0 -e"x86_64" * | xargs sed -i "" 's/x86_64/i386/g'

compile pocketsphinx as universal static lib on OS X

  • make x86_64 version of libsphinxbase:

cd sphinxbase-0.7
./configure
make

  • copy resulting libsphinxbase.a file from /sphinxbase-0.7/src/libsphinxbase/.libs/ to libsphinxbase.x86_84.a in temp directory
  • make x86_64 version of libspocketsphinx:

cd pocketsphinx-0.7
./configure
make

  • copy resulting libpocketsphinx.a file from /pocketsphinx-0.7/src/libpocketsphinx/.libs to libpocketsphinx.x86_64.a file in temp directory
  • make i386 versions of libsphinxbase:

export CFLAGS="-arch i386" 
export LDFLAGS="-arch i386"
cd sphinxbase-0.7
make clean
./configure
make

  • copy resulting libsphinxbase.a file from /sphinxbase-0.7/src/libsphinxbase/.libs/ to libsphinxbase.i386.a in temp directory
  • make i386 versions of libpocketsphinx:

cd pocketsphinx-0.7
make clean
./configure
make

  • copy resulting libpocketsphinx.a file from /pocketsphinx-0.7/src/libpocketsphinx/.libs to libpocketsphinx.i386.a file in temp directory
  • combine files with lipo

lipo -create -output libsphinxbase.a libsphinxbase.x86_64.a libsphinxbase.i386.a
lipo -create -output libpocketsphinx.a libpocketsphinx.x86_64.a libpocketsphinx.i386.a

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