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Simulation environment with Bullet physics ** Linux Compilation for Alex's branch ** Install the required dependencies using apt-get (this is incomplete): sudo apt-get install ros-fuerte-desktop-full libopenscenegraph-dev cmake-curses-gui python-networkx Maybe these ones too: sudo apt-get install ros-fuerte-openni-camera ros-fuerte-openni-launch Prepare to install openrave: sudo add-apt-repository ppa:openrave/release sudo apt-get update Now, open the synaptic ('sudo synaptic') gui: openrave0.6-dp-dev openrave0.6-dp-plugins-all openrave0.6-dp-data If the above doesn't appear in synaptic, in the terminal do these first and then do the synaptic step again: sudo apt-get remove openrave* sudo apt-get update Let BULLETSIM_SOURCE_DIR be the bullesim directory (i.e. the directory cloned by 'git clone [email protected]:hojonathanho/bulletsim.git'). Make a build directory, preferrably outside BULLETSIM_SOURCE_DIR. Let BULLETSIM_BUILD_DIR be this build directory. Set these two as environment variables. For example (replace with the actual directories): echo 'export BULLETSIM_SOURCE_DIR=~/rll/bulletsim' >> ~/.bashrc echo 'export BULLETSIM_BUILD_DIR=~/rll/build' >> ~/.bashrc Restart the terminal and run the following: # Setup build directories cd $BULLETSIM_BUILD_DIR mkdir bulletsim_msgs mkdir bulletsim # Generate makefiles, compile and install bulletsim_msgs cd $BULLETSIM_BUILD_DIR/bulletsim_msgs cmake $BULLETSIM_SOURCE_DIR/bulletsim_msgs make -j sudo make install # Generate makefile and compile bulletsim cd $BULLETSIM_BUILD_DIR/bulletsim cmake $BULLETSIM_SOURCE_DIR -DJOHNS_ADVENTURES=ON make -j # Make a link between every binary in the build directory and a new package in ros named binary_symlinks roscd roscreate-pkg binary_symlinks cd binary_symlinks mkdir bin cd bin for node in $BULLETSIM_BUILD_DIR/bulletsim/bin/* ; do ln -s $node ; done ** Test tracking ** $BULLETSIM_BUILD_DIR/bulletsim/bin/tracker_node --cameraTopics=kinect1 roslaunch point_clouds.launch online:=false filename:=sample_rope $BULLETSIM_BUILD_DIR/bulletsim/bin/tracker_node --cameraTopics=kinect1 roslaunch point_clouds.launch online:=false filename:=sample_cloth $BULLETSIM_BUILD_DIR/bulletsim/bin/tracker_node --cameraTopics=kinect1 --cameraTopics=kinect2 roslaunch multi_point_clouds.launch online:=false filename:=knot_tie $BULLETSIM_BUILD_DIR/bulletsim/bin/tracker_node --cameraTopics=kinect1 --cameraTopics=kinect2 roslaunch multi_point_clouds.launch online:=false filename:=double_fold ** Add a new ros node ** Add the source file (node.cpp) to the respective CMakeLists.txt file. In BULLETSIM_BUILD_DIR , run make Then, roscd binary_symlinks cd bin ln -s BULLETSIM_BUILD_DIR/bin/node ** Add a new ros msg ** Save the msg file in BULLETSIM_SOURCE_DIR/bulletsim_msgs/msg Add the msg file to the BULLETSIM_SOURCE_DIR/bulletsim_msgs/CMakeLists.txt file. In BULLETSIM_BUILD_DIR/bullesim_msgs , run make sudo make install ** Launch files in $BULLETSIM_SOURCE_DIR/launch ** Summary point_clouds.launch Publishes point clouds from a kinect or from a bagfile (online:=false filename:=sample) Drop some point clouds Preprocess (segments) the dropped point clouds multi_point_clouds.launch Publishes point clouds from two kinects or from two bagfiles (online:=false filename:=sample) Drop some point clouds Merges the dropped point clouds Preprocesses (segments) the merged point clouds record_cloud.launch and record_two_clouds.launch Records point clouds Example 1: One kinect # Get live point clouds from the kinect and record them to a bagfile roslaunch point_clouds.launch roslaunch record_cloud.launch filename:=sample # Replay from the saved bagfile roslaunch point_clouds.launch online:=false filename:=sample Example 2: Two kinects # Get live point clouds from two kinects and record them to two bagfiles roslaunch multi_point_clouds.launch roslaunch record_two_clouds.launch filename:=sample # Replay from the saved bagfile roslaunch multi_point_clouds.launch online:=false filename:=sample Note When replaying, use_sim_time needs to be true. This is set automatically, but for all nodes to see this change, they need to be restarted (including rviz).
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