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You can't. Twist describes translational and rotational velocities. To get a distance/angle from that, you'd need a time frame that this should be set.
If you want to receive twist commands from the default navigation stack, you'll need to modify your command interface (that probably already has some level of control). Alternatively you could write a local planner for the navigation stack that sends out local pose deltas.
If you want to use something else, just use another message to represent the command that you need and send that.
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You can't.
Twist describes translational and rotational velocities. To get a distance/angle from that, you'd need a time frame that this should be set.set. You could assume some (short) time frame, or use the controller frequency that sends out those messages. This might work somehow.
If you want to receive twist commands from the default navigation stack, you'll need to modify your command interface (that probably already has some level of control). Alternatively you could write a local planner for the navigation stack that sends out local pose deltas.
If you want to use something else, just use another message to represent the command that you need and send that.
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