JointTrajectoryPointSubscriber QML Type

Subscribes to trajectory_msgs::msg::JointTrajectoryPoint messages — Each trajectory point specifies either positions[, velocities[, accelerations]] or positions[, effort] for the trajectory to be executed. More...

• List of all members, including inherited members

Properties

• accelerations : list<double>
• effort : list<double>
• message : jointTrajectoryPoint
• positions : list<double>
• timeFromStart : duration
• velocities : list<double>

Signals

• messageReceived(jointTrajectoryPoint msg)

Detailed Description

All specified values are in the same order as the joint names in JointTrajectory.msg.

JointTrajectoryPointSubscriber receives jointTrajectoryPoint values from a ROS 2 topic. Set the topic and node properties, then connect to the messageReceived() signal.

See also JointTrajectoryPointPublisher and jointTrajectoryPoint.

Property Documentation

accelerations : list<double>

The accelerations field of the last received message. Updated whenever a new message arrives. accelerationsChanged is emitted on every update.

effort : list<double>

The effort field of the last received message. Updated whenever a new message arrives. effortChanged is emitted on every update.

message : jointTrajectoryPoint

The last message received on topic. Updated whenever a new message arrives.

positions : list<double>

The positions field of the last received message. Updated whenever a new message arrives. positionsChanged is emitted on every update.

timeFromStart : duration

The timeFromStart field of the last received message. Updated whenever a new message arrives. timeFromStartChanged is emitted on every update.

velocities : list<double>

The velocities field of the last received message. Updated whenever a new message arrives. velocitiesChanged is emitted on every update.

Signal Documentation

messageReceived(jointTrajectoryPoint msg)

Emitted when a new jointTrajectoryPoint arrives on topic. msg contains the received value.