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2013-04-16 13:39:14 -0500	commented question	openni_tracker on pioneer: illegal instruction i don't have enough karma to post links, sorry...
2013-04-16 13:37:54 -0500	asked a question	openni_tracker on pioneer: illegal instruction hi, I'm trying to use an on-board kinect on a P3-DX pioneer (Cobra EBX-12 Computer) with ros fuerte installed using openni. The problem appears when I run the openni_tracker node. The node seems to work, but in a few seconds, before it displays any message or something, the message "Illegal instruction (core dumped)" is shown in screen and the node is killed... I've once fixed http://answers.ros.org/question/42654/openninite-incompatible-in-fuertegroovy-on-precise/ (another) problem when I was trying to run the openni_tracker node in my computer but now, on the robot, the problem seems to be different... Does anyone know what could be the problem? Could it be related with some computer architecture incompatibility? I downloaded the openni_tracker from the ubuntu repository and I am using ubuntu 12.04 32 bits.
2013-04-04 12:42:48 -0500	commented answer	OpenNI/NITE incompatible in Fuerte/Groovy on Precise I still have to manually install NiTE as well, but when I symlink libXnVFeatures.so -> /usr/lib/libXnVFeatures_1_5_2.so and libXnVHandGenerator.so -> /usr/lib/libXnVHandGenerator_1_5_2.so I get random segfaults after user pose calibration
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2012-08-23 04:18:02 -0500	asked a question	How to update URDF character joint state using openni_tracker I am trying to develop a simple kinect demo that consists in standing in front of a kinect and after that, start control the movents of a simple URDF character. To do that, I planned to subscribe to the /tf topic and obtain the user's joint position and angles published by the openni_tracker node so that I could update the URDF character's joint positions according to the user's movement. Something similar to what is done in this tutorial. How could I "convert" the quaternions published by the openni_tracker node into some understandable representation for the sensor_msgs::JointState joint_state function? Thanks for the help!