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ARTags (Augmented Reality Tags) are visual markers designed for robust detection by machines. See the ARTag.net web site for basic information.

April Tags Install Instructions

These instructions from Edwin Olson at the University of Michigan are for installing his April Tags package under Easy Peasy 1.5, but they should work on most Ubuntu Linux systems.

1. Install necessary packages.

sudo -s
apt-get install git git-core ant libjogl-java libjogl-jni subversion gtk-doc-tools libglib2.0-dev libusb

2. Install libdc1394 (camera support).

cd /usr/local
svn co https://libdc1394.svn.sourceforge.net/svnroot/libdc1394 libdc1394
cd libdc1394/trunk/libdc1394
autoreconf -i -s
./configure   # Make sure you see "IIDC-over-USB support: Enabled"
make install

3. Install April.

cd /usr/local
git clone git://april.eecs.umich.edu/home/git/april.git
cd april/java
export CLASSPATH=/usr/share/java/jogl.jar:/usr/share/java/gluegen-rt.jar:\

4. Install shell script to run the TagTest demo.

cd /usr/local/april/bin
cat >tagtest <<EOF
export CLASSPATH=/usr/share/java/jogl.jar:/usr/share/java/gluegen-rt.jar:\
cd /usr/local/april/java
java -ea -server -Djava.library.path=/usr/local/april/lib april.tag.TagTest
chmod +x tagtest

To run the demo, type /usr/local/april/bin/tagtest.