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In making Clique, we wanted to engage visitors as active participants and leave open the possibility for exploring new interactions with other participants. We are interested in understanding and encouraging selfless creativity and collaboration and, with this piece, we are experimenting with the incitation of awareness of self and others in a nonjudgmental space.

The piece is an interactive audiovisual experience in which participants manipulate a projected visual flow using their motion in the exhibit space. Participants continuously alter the audiovisual composition and leave their mark, at least temporarily, for others to experience and change again.

OpenCV Required

Installation tested on Archlinux and OS X. The following is a rough summary of "Introduction to OpenCV Development with Clojure."

Note, at time of writing, the latest version was 2.4.10. So, you may need to replace 2410 in the instructions below with the current version.


Confirm Java is already installed: $ java -version java version "1.8.0_11" Java(TM) SE Runtime Environment (build 1.8.0_11-b12) Java HotSpot(TM) 64-Bit Server VM (build 25.11-b03, mixed mode)

Otherwise, install it.

On OS X, I used Homebrew, requiring the following

brew update
brew install cmake
brew python2

If python2 not available, make sure you have Python pointing to Python v2.

Build the OpenCV JAR files

git clone
cd opencv
git checkout 2.4
mkdir build
cd build
... output omitted ...
make -j8

NO NEED TO INSTALL IT, WE JUST NEED THE JAR. So, there's no reason to install it.

Built files are:


Use lein-localrepo to install JAR files

Create a file named profiles.clj in the ~/.lein directory and copy into it the following content:

{:user {:plugins [[lein-localrepo "0.5.3"]]}}

You may need to change 0.5.3 to the latest version of lein-localrepo.

mkdir clj-opencv
cd clj-opencv
cp <path>/<to>/opencv/build/bin/opencv-2410.jar .
mkdir -p native/macosx/x86_64
cp ../opencv/build/lib/libopencv_java2410.dylib native/macosx/x86_64
jar -cMf opencv-native-2410.jar native
lein localrepo install opencv-2410.jar opencv/opencv 2.4.10
lein localrepo install opencv-native-2410.jar opencv/opencv-native 2.4.10


An interactive art installation and experiment, at the Chain of Fire prologue exhibition for the Honolulu Biennial Foundation.




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