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cs:ros:roslaunch:start [2017/01/14 20:46] Brandon Kallaher created |
cs:ros:roslaunch:start [2017/01/14 21:09] (current) Brandon Kallaher |
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| ====== Using ROS Launch ====== | ====== Using ROS Launch ====== | ||
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| + | Normally this is used to start nodes based on a launch file. | ||
| + | |||
| + | Normal Usage: | ||
| + | roslaunch <PACKAGE> <LAUNCH_FILE> | ||
| + | | ||
| + | ==== Listing the Nodes Launched ==== | ||
| + | |||
| + | This will list the nodes that a launch file will run on stdout. | ||
| + | |||
| + | roslaunch <PACKAGE> <LAUNCH_FILE> --nodes | ||
| + | | ||
| + | ==== Topic Remapping/Argument Replacement ==== | ||
| + | |||
| + | This allows for changing the topic that a node publishes or subscribes to. This is really useful when using image_view. | ||
| + | |||
| + | roslaunch <PACKAGE> <LAUNCH_FILE> <ARG>:=<NEW_VALUE> <TOPIC>:=<NEW_TOPIC> | ||
