Bag Plot

A python script for plotting ros bag file, replacement of rxbag for ros version higher than groovy

Basic use instruction:

On terminal:

$rosrun bag_plot read_bag.py /path/to/bag/xxx.bag

On GUI:

• Check topics to select corresponding msg
• Check variables to select values to plot
• Click Load to plot, the first time for load will take a while
• Click Clear to reset figure params
• Click Save Figure to save current plot as plot.png in the current folder

Examples:

GUI	Saved plot.png

Basic feature list:

• Right click on plot to draw a vertical line
• Drag any subplot in x to move all subplots in x dimension
• Drag any subplot in y to move that subplot in y dimension
• Scroll up/down to scale in x dimension
• Shift + Scroll up/down to scale in y dimension

Msgs supported:

• nav_msgs/Odometry
• sensor_msgs/Imu
• geometry_msgs/PoseStamped
• geometry_msgs/PoseWithCovarianceStamped
• sensor_msgs/Range
• quadrotor_msgs/PositionCommand
• quadrotor_msgs/TRPYCommand
• quadrotor_msgs/SO3Command