ROS Bridge [omni.isaac.ros_bridge]

Acquiring Extension Interface

_ros_bridge.acquire_ros_bridge_interface(plugin_name: str = None, library_path: str = None) → omni.isaac.ros_bridge._ros_bridge.RosBridge
_ros_bridge.release_ros_bridge_interface(arg0: omni.isaac.ros_bridge._ros_bridge.RosBridge) → None

ROS Bridge API

class RosBridge

Omnigraph Nodes

ROS1RtxLidarHelper

Handles automation of Lidar Sensor pipeline

Inputs

  • execIn (execution): Triggering this causes the sesnor pipeline to be generated.

  • enabled (bool): True to enable the lidar helper, False to disable. Default to True.

  • nodeNamespace (string): Namespace of ROS1 Node, prepends and published/subscribed topic by the node namespace.

  • frameId (string): FrameID for the ROS1 message, the node namespace will be prefixed to the frame id. Default to sim_lidar.

  • topicName (string): Topic name for sensor data. Default to scan.

  • queueSize (uint64): Number of message to queue up before throwing away, in case messages are collected faster than they can be sent. Default to 10.

  • renderProductPath (token): Name of the render product path to publish lidar data.

  • type (token): Data to publsih from node. Default to laser_scan.

  • resetSimulationTimeOnStop (bool): If True the simulation time will reset when stop is pressed, False means time increases monotonically. This setting is ignored if useSystemTime is enabled. Default to False.

  • fullScan (bool): If True publish a full scan when enough data has accumulated instead of partial scans each frame. Supports point cloud type only. Default to False.

  • showDebugView (bool): If True a debug view of the lidar particles will appear in the scene. Default to False.

  • useSystemTime (bool): If True, system timestamp will be included in messages. If False, simulation timestamp will be included in messages. Default to False.

  • frameSkipCount (uint): Specifies the number of simulation frames to skip between each message publish. (e.g. Set to 0 to publish each frame. Set 1 to publish every other frame). Default to 0.

ROS1CameraHelper

This node handles automation of the camera sensor pipeline

Inputs

  • execIn (execution): Triggering this causes the sensor pipeline to be generated.

  • enabled (bool): True to enable the camera helper, False to disable. Default to True.

  • nodeNamespace (string): Namespace of ROS1 Node, prepends any published/subscribed topic by the node namespace.

  • frameId (string): FrameId for ROS1 message, the nodeNamespace will be prefixed to the frame id. Default to sim_camera.

  • topicName (string): Topic name for sensor data. Default to rgb.

  • queueSize (uint64): The number of messages to queue up before throwing some away, in case messages are collected faster than they can be sent. Default to 10.

  • viewport (token): DEPRECATED, use renderProductPath. Name of the desired viewport to publish.

  • renderProductPath (token): Path of the render product used for capturing data.

  • type (token): type. Default to rgb.

  • enableSemanticLabels (bool): Enable publishing of semantic labels, applies only to instance_segmentation, semantic_segmentation, bbox_2d_tight, bbox_2d_loose, bbox_3d.

  • semanticLabelsTopicName (string): Topic name used for publishing semantic labels, applies only to instance_segmentation, semantic_segmentation, bbox_2d_tight, bbox_2d_loose, bbox_3d. Default to semantic_labels.

  • stereoOffset (float[2]): Stereo offset is the baseline between cameras in x and y component of the image plane in meters. (Tx, Ty is calculated using x and y component of StereoOffset value. i.e., Tx=fx*stereoOffset.X, Ty=fy*stereoOffset.Y). Used when publishing to the camera info topic. Default to [0, 0].

  • resetSimulationTimeOnStop (bool): If True the simulation time will reset when stop is pressed, False means time increases monotonically. This setting is ignored if useSystemTime is enabled. Default to False.

  • useSystemTime (bool): If True, system timestamp will be included in messages. If False, simulation timestamp will be included in messages. Default to False.

  • frameSkipCount (uint): Specifies the number of simulation frames to skip between each message publish. (e.g. Set to 0 to publish each frame. Set 1 to publish every other frame). Default to 0.

ROS1ServiceTeleport

[‘This node provides the service to teleport a robot to the commanded pose’]

Inputs

  • execIn (execution): The input execution port.

  • nodeNamespace (string): Namespace of ROS1 Node, prepends any published/subscribed topic by the node namespace.

  • serviceName (string): Name of ROS1 service. Default to teleport.

ROS1SubscribeTwist

[‘This node subscribes to a ROS1 Twist message’]

Inputs

  • execIn (execution): The input execution port.

  • nodeNamespace (string): Namespace of ROS1 Node, prepends any published/subscribed topic by the node namespace.

  • topicName (string): Name of ROS1 Topic. Default to cmd_vel.

  • queueSize (uint64): The number of messages to queue up before throwing some away, in case messages are collected faster than they can be processed. Default to 10.

Outputs

  • execOut (execution): Output execution triggers when a new message is received.

  • linearVelocity (vectord[3]): Linear velocity vector in m/s.

  • angularVelocity (vectord[3]): Angular velocity vector in rad/s.

ROS1PublishTransformTree

[‘This node publishes the pose of prims as a ROS1 Transform Tree’]

Inputs

  • execIn (execution): The input execution port.

  • parentPrim (target, optional): Prim used as parent frame for poses, leave blank to use World.

  • targetPrims (target): Target prims to publish poses for, if prim is an articulation, the entire articulation tree will be published.

  • nodeNamespace (string): Namespace of ROS1 Node, prepends any published/subscribed topic by the node namespace.

  • topicName (string): Name of ROS1 Topic. Default to /tf.

  • queueSize (uint64): The number of messages to queue up before throwing some away, in case messages are collected faster than they can be sent. Default to 10.

  • timeStamp (double): ROS1 Timestamp in seconds. Default to 0.0.

ROS1PublishOdometry

[‘This node publishes odometry as a ROS1 Odometry message’]

Inputs

  • execIn (execution): The input execution port.

  • nodeNamespace (string): Namespace of ROS1 Node, prepends any published/subscribed topic by the node namespace.

  • odomFrameId (string): FrameId for ROS1 odometry message. Default to odom.

  • chassisFrameId (string): FrameId for robot chassis frame. Default to base_link.

  • topicName (string): Name of ROS1 Topic. Default to odom.

  • queueSize (uint64): The number of messages to queue up before throwing some away, in case messages are collected faster than they can be sent. Default to 10.

  • timeStamp (double): ROS1 Timestamp in seconds. Default to 0.0.

  • position (vectord[3]): Position vector in meters. Default to [0.0, 0.0, 0.0].

  • orientation (quatd[4]): Orientation as a quaternion (IJKR). Default to [0.0, 0.0, 0.0, 1.0].

  • linearVelocity (vectord[3]): Linear velocity vector in m/s. Default to [0.0, 0.0, 0.0].

  • angularVelocity (vectord[3]): Angular velocity vector in rad/s. Default to [0.0, 0.0, 0.0].

  • robotFront (vectord[3]): The front of the robot. Default to [1.0, 0.0, 0.0].

ROS1PublishSemanticLabels

[‘This node publishes ROS1 semantic label messages’]

Inputs

  • execIn (execution): The input execution port.

  • nodeNamespace (string): Namespace of ROS1 Node, prepends any published/subscribed topic by the node namespace.

  • topicName (string): Name of ROS1 Topic. Default to labels.

  • queueSize (uint64): The number of messages to queue up before throwing some away, in case messages are collected faster than they can be sent. Default to 10.

  • timeStamp (double): Time in seconds to use when publishing the message. Default to 0.0.

  • ids (uint[]): Unoccluded semantic u ids (or color, if colorize is set to True).

  • labels (token[]): Prim path of the prim.

  • semantics (token[]): Semantic labels that correspeond to the ids.

  • idToLabels (string): Mapping from id to semantic labels.

ROS1Master

[‘This node provides the current status of the ROS master node’]

Inputs

  • execIn (execution): The input execution port.

Outputs

  • status (bool): Check whether the master is up.

  • host (string): The master’s hostname, as a string.

  • port (uint): The master’s port.

  • uri (string): RGet the full URI to the master (eg. http://host:port/).

ROS1SubscribeAckermannDrive

[‘This node subscribes to a ROS1 AckermannDriveStamped message’]

Inputs

  • execIn (execution): The input execution port.

  • nodeNamespace (string): Namespace of ROS1 Node, prepends any published/subscribed topic by the node namespace.

  • topicName (string): Name of ROS1 Topic. Default to ackermann_cmd.

  • queueSize (uint64): The number of messages to queue up before throwing some away, in case messages are collected faster than they can be processed. Default to 10.

Outputs

  • execOut (execution): Output execution triggers when a new message is received.

  • frameId (string): FrameId for ROS1 message.

  • timeStamp (double): Timestamp of message in seconds.

  • steeringAngle (double): Desired virtual angle in radians. Corresponds to the yaw of a virtual wheel located at the center of the front axle.

  • steeringAngleVelocity (double): Desired rate of change of virtual angle in rad/s. Corresponds to the yaw of a virtual wheel located at the center of the front axle.

  • speed (double): Desired forward speed in m/s.

  • acceleration (double): Desired acceleration in m/s^2.

  • jerk (double): Desired jerk in m/s^3.

ROS1PublishJointState

[‘This node publishes joint states of a robot in ROS1 JointState message’]

Inputs

  • execIn (execution): The input execution port.

  • targetPrim (target): USD reference to the robot prim.

  • nodeNamespace (string): Name of ROS1 Node, prepends any topic published/subscribed by the node name.

  • topicName (string): Name of ROS1 Topic. Default to joint_states.

  • queueSize (uint64): The number of messages to queue up before throwing some away, in case messages are collected faster than they can be sent. Default to 10.

  • timeStamp (double): ROS1 Timestamp in seconds. Default to 0.0.

ROS1PublishBbox3D

[‘This node publishes ROS1 Bbox3d messages’]

Inputs

  • execIn (execution): The input execution port.

  • nodeNamespace (string): Namespace of ROS1 Node, prepends any published/subscribed topic by the node namespace.

  • frameId (string): FrameId for ROS1 message. Default to sim_camera.

  • topicName (string): Name of ROS1 Topic. Default to bbox3d.

  • queueSize (uint64): The number of messages to queue up before throwing some away, in case messages are collected faster than they can be sent. Default to 10.

  • timeStamp (double): Time in seconds to use when publishing the message. Default to 0.0.

  • data (uchar[]): Buffer array data. Default to [].

ROS1PublishClock

[‘This node publishes the given time as a ROS1 Clock message’]

Inputs

  • execIn (execution): The input execution port.

  • nodeNamespace (string): Namespace of ROS1 Node, prepends any published/subscribed topic by the node namespace.

  • topicName (string): Name of ROS1 Topic. Default to clock.

  • queueSize (uint64): The number of messages to queue up before throwing some away, in case messages are collected faster than they can be sent. Default to 10.

  • timeStamp (double): Time in seconds to use when publishing the message. Default to 0.

ROS1PublishImage

[‘This node publishes ROS1 Image messages’]

Inputs

  • execIn (execution): The input execution port.

  • nodeNamespace (string): Namespace of ROS1 Node, prepends any published/subscribed topic by the node namespace.

  • frameId (string): FrameId for ROS1 message. Default to sim_camera.

  • topicName (string): Name of ROS1 Topic. Default to rgb.

  • queueSize (uint64): The number of messages to queue up before throwing some away, in case messages are collected faster than they can be sent. Default to 10.

  • timeStamp (double): Time in seconds to use when publishing the message. Default to 0.0.

  • data (uchar[]): Buffer array data. Default to [].

  • width (uint): Buffer array width. Default to 0.

  • height (uint): Buffer array height. Default to 0.

  • encoding (token): ROS encoding format for the input data, taken from the list of strings in include/sensor_msgs/image_encodings.h. Input data is expected to already be in this format, no conversions are performed. Default to rgb8.

  • dataPtr (uint64): Pointer to the raw rgba array data. Default to 0.

  • cudaDeviceIndex (int): Index of the device where the data lives (-1 for host data). Default to -1.

  • bufferSize (uint): Size (in bytes) of the buffer (0 if the input is a texture).

  • format (uint64): Format.

ROS1SubscribeClock

[‘This node subscribes to a ROS1 Clock message’]

Inputs

  • execIn (execution): The input execution port.

  • nodeNamespace (string): Namespace of ROS1 Node, prepends any published/subscribed topic by the node namespace.

  • topicName (string): Name of ROS1 Topic. Default to clock.

  • queueSize (uint64): The number of messages to queue up before throwing some away, in case messages are collected faster than they can be processed. Default to 10.

Outputs

  • execOut (execution): Output execution triggers when a new message is received.

  • timeStamp (double): Time in seconds.

ROS1PublishPointCloud

[‘This node publishes LiDAR scans as a ROS1 PointCloud2 message’]

Inputs

  • execIn (execution): The input execution port.

  • nodeNamespace (string): Namespace of ROS1 Node, prepends any published/subscribed topic by the node namespace.

  • frameId (string): FrameId for ROS1 message. Default to sim_lidar.

  • topicName (string): Name of ROS1 Topic. Default to point_cloud.

  • queueSize (uint64): The number of messages to queue up before throwing some away, in case messages are collected faster than they can be sent. Default to 10.

  • timeStamp (double): ROS1 Timestamp in seconds. Default to 0.0.

  • dataPtr (uint64): Pointer to the buffer data. Default to 0.

  • data (pointf[3][]): Buffer array data, must contain data if dataPtr is null. Default to [].

  • cudaDeviceIndex (int): Index of the device where the data lives (-1 for host data). Default to -1.

  • bufferSize (uint): Size (in bytes) of the buffer (0 if the input is a texture).

ROS1PublishAckermannDrive

[‘This node subscribes to a ROS1 AckermannDriveStamped message’]

Inputs

  • execIn (execution): The input execution port.

  • nodeNamespace (string): Namespace of ROS1 Node, prepends any published/subscribed topic by the node namespace.

  • topicName (string): Name of ROS1 Topic. Default to ackermann_cmd.

  • queueSize (uint64): The number of messages to queue up before throwing some away, in case messages are collected faster than they can be processed. Default to 10.

  • frameId (string): FrameId for ROS1 message.

  • timeStamp (double): Timestamp of message in seconds. Default to 0.0.

  • steeringAngle (double): Desired virtual angle in radians. Corresponds to the yaw of a virtual wheel located at the center of the front axle. Default to 0.0.

  • steeringAngleVelocity (double): Desired rate of change of virtual angle in rad/s. Corresponds to the yaw of a virtual wheel located at the center of the front axle. Default to 0.0.

  • speed (double): Desired forward speed in m/s. Default to 0.0.

  • acceleration (double): Desired acceleration in m/s^2. Default to 0.0.

  • jerk (double): Desired jerk in m/s^3. Default to 0.0.

ROS1PublishBbox2D

[‘This node publishes ROS1 Bbox2d messages’]

Inputs

  • execIn (execution): The input execution port.

  • nodeNamespace (string): Namespace of ROS1 Node, prepends any published/subscribed topic by the node namespace.

  • frameId (string): FrameId for ROS1 message. Default to sim_camera.

  • topicName (string): Name of ROS1 Topic. Default to bbox2d.

  • queueSize (uint64): The number of messages to queue up before throwing some away, in case messages are collected faster than they can be sent. Default to 10.

  • timeStamp (double): Time in seconds to use when publishing the message. Default to 0.0.

  • data (uchar[]): Buffer array data. Default to [].

ROS1PublishLaserScan

[‘This node publishes LiDAR scans as a ROS1 LaserScan message’]

Inputs

  • execIn (execution): The input execution port.

  • nodeNamespace (string): Namespace of ROS1 Node, prepends any published/subscribed topic by the node namespace.

  • frameId (string): FrameId for ROS1 message. Default to sim_lidar.

  • topicName (string): Name of ROS1 Topic. Default to scan.

  • queueSize (uint64): The number of messages to queue up before throwing some away, in case messages are collected faster than they can be sent. Default to 10.

  • timeStamp (double): ROS1 Timestamp in seconds. Default to 0.0.

  • horizontalFov (float): Horizontal Field of View (deg). Default to 0.

  • horizontalResolution (float): Increment between horizontal rays (deg). Default to 0.

  • depthRange (float[2]): Range for sensor to detect a hit [min, max] (m). Default to [0, 0].

  • rotationRate (float): Rotation rate of sensor in Hz. Default to 0.

  • linearDepthData (float[]): Linear depth measurements from full scan, ordered by increasing azimuth (m). Default to [].

  • intensitiesData (uchar[]): Intensity measurements from full scan, ordered by increasing azimuth. Default to [].

  • numRows (int): Number of rows in buffers. Default to 0.

  • numCols (int): Number of columns in buffers. Default to 0.

  • azimuthRange (float[2]): The azimuth range [min, max] (deg). Always [-180, 180] for rotary lidars. Default to [0.0, 0.0].

ROS1PublishImu

[‘This node publishes IMU data as a ROS1 IMU message’]

Inputs

  • execIn (execution): The input execution port.

  • nodeNamespace (string): Namespace of ROS1 Node, prepends any published/subscribed topic by the node namespace.

  • frameId (string): FrameId for ROS1 message. Default to sim_imu.

  • topicName (string): Name of ROS1 Topic. Default to imu.

  • queueSize (uint64): The number of messages to queue up before throwing some away, in case messages are collected faster than they can be sent. Default to 10.

  • timeStamp (double): ROS1 Timestamp in seconds. Default to 0.0.

  • publishOrientation (bool): Include orientation in msg. Default to True.

  • publishLinearAcceleration (bool): Include Linear acceleration in msg. Default to True.

  • publishAngularVelocity (bool): Include Angular velocity in msg. Default to True.

  • orientation (quatd[4], optional): Orientation as a quaternion (IJKR). Default to [0.0, 0.0, 0.0, 1.0].

  • linearAcceleration (vectord[3], optional): Linear acceleration vector in m/s^2. Default to [0.0, 0.0, 0.0].

  • angularVelocity (vectord[3], optional): Angular velocity vector in rad/s. Default to [0.0, 0.0, 0.0].

ROS1PublishRawTransformTree

[‘This node publishes a user-defined transformation between any two coordinate frames as a ROS1 Transform Tree’]

Inputs

  • execIn (execution): The input execution port.

  • nodeNamespace (string): Namespace of ROS1 Node, prepends any published/subscribed topic by the node namespace.

  • parentFrameId (string): Parent frameId for ROS1 TF message. Default to odom.

  • childFrameId (string): Child frameId for ROS1 TF message. Default to base_link.

  • topicName (string): Name of ROS1 Topic. Default to /tf.

  • queueSize (uint64): The number of messages to queue up before throwing some away, in case messages are collected faster than they can be sent. Default to 10.

  • timeStamp (double): ROS1 Timestamp in seconds. Default to 0.0.

  • translation (vectord[3]): Translation vector in meters. Default to [0.0, 0.0, 0.0].

  • rotation (quatd[4]): Rotation as a quaternion (IJKR). Default to [0.0, 0.0, 0.0, 1.0].

ROS1SubscribeJointState

[‘This node subscribes to a joint state command of a robot in a ROS1 JointState message’]

Inputs

  • execIn (execution): The input execution port.

  • nodeNamespace (string): Namespace of ROS1 Node, prepends any published/subscribed topic by the node namespace.

  • topicName (string): Name of ROS1 Topic. Default to joint_command.

  • queueSize (uint64): The number of messages to queue up before throwing some away, in case messages are collected faster than they can be sent. Default to 10.

Outputs

  • execOut (execution): Output execution triggers when a new message is received.

  • timeStamp (double): ROS1 Timestamp in seconds.

  • jointNames (token[]): Commanded joint names.

  • positionCommand (double[]): Position commands.

  • velocityCommand (double[]): Velocity commands.

  • effortCommand (double[]): Effort commands.

ROS1PublishCameraInfo

[‘This node publishes camera info as a ROS1 CameraInfo message’]

Inputs

  • execIn (execution): The input execution port.

  • nodeNamespace (string): Namespace of ROS1 Node, prepends any published/subscribed topic by the node namespace.

  • frameId (string): FrameId for ROS1 message. Default to sim_camera.

  • topicName (string): Name of ROS1 Topic. Default to camera_info.

  • queueSize (uint64): The number of messages to queue up before throwing some away, in case messages are collected faster than they can be sent. Default to 10.

  • timeStamp (double): ROS1 Timestamp in seconds. Default to 0.0.

  • width (uint): Width for output image.

  • height (uint): Height for output image.

  • focalLength (float): focal length.

  • horizontalAperture (float): horizontal aperture.

  • verticalAperture (float): vertical aperture.

  • horizontalOffset (float): horizontal offset.

  • verticalOffset (float): vertical offset.

  • projectionType (token): projection type.

  • stereoOffset (float[2]): Stereo offset is the baseline between cameras in x and y component of the image plane in meters. (Tx, Ty is calculated using x and y component of StereoOffset value. i.e., Tx=fx*stereoOffset.X, Ty=fy*stereoOffset.Y). Used when publishing to the camera info topic. Default to [0.0, 0.0].

  • physicalDistortionModel (token): physical distortion model used for approximation, if blank projectionType is used.

  • physicalDistortionCoefficients (float[]): physical distortion model used for approximation, physicalDistortionModel must be set to use these coefficients.