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2013-03-25 14:47:33 -0500	received badge	● Famous Question (source)
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2013-03-08 11:03:57 -0500	commented answer	ar_track_alvar not compiling in Groovy The github repo works! Thanks!
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2013-02-27 08:32:44 -0500	asked a question	ar_track_alvar not compiling in Groovy Has anyone been able to make ar_track_alvar work under ROS Groovy? It's working fine for me in Fuerte, but now I'm seeing the following compilation errors because it can't seem to find btMatrix3x3.h `In file included from ~/ar_track_alvar/include/Marker.h:42:0, from ~/ar_track_alvar/include/MarkerDetector.h:38, from ~/ar_track_alvar/include/MultiMarker.h:35, from ~/ar_track_alvar/include/MultiMarkerBundle.h:34, from ~/ar_track_alvar/src/MultiMarkerBundle.cpp:24: ~/ar_track_alvar/include/ar_track_alvar/kinect_filtering.h:60:36: fatal error: LinearMath/btMatrix3x3.h: No such file or directory` I downloaded the ar_track_alvar code from the git repository on bitbucket. Then I modified the CMakeLists.txt file to have the eigen workaround mentioned on another forum posting. Is there another change required to the ar_track_alvar CMakeLists.txt file to help it locate the btMatrix3x3.h file? I know the file exists in the following two locations on my machine: `/opt/ros/groovy/stacks/geometry_experimental/tf2/include/LinearMath/btMatrix3x3.h /opt/ros/groovy/stacks/bullet/include/LinearMath/btMatrix3x3.h` Btw, I'm using Ubuntu 12.04 32-bit, and I'm attempting to build it using rosmake: `roscd ar_track_alvar rosmake ar_track_alvar`