node QML Value Type

Represents the observable runtime state of a ROS Node Therefore, does not perfectly align with the abstract specification which created it. More...

Properties

• actionClients : list<action>
• actionServers : list<action>
• name : string
• parameterValues : list<parameterValue>
• parameters : list<parameterDescriptor>
• publishers : list<topic>
• serviceClients : list<service>
• serviceServers : list<service>
• subscriptions : list<topic>

Detailed Description

node is a structured value type usable in QML. It maps directly to the rosgraph_msgs::msg::Node ROS 2 message type.

Construct a node in QML by assigning a JavaScript object whose keys are its component properties, or by setting those properties individually.

See also NodePublisher and NodeSubscriber.

Property Documentation

actionClients : list<action>

actionServers : list<action>

name : string

Fully qualified node name (FQN)

parameterValues : list<parameterValue>

Current values of the node's parameters

NOTE: parameter_values[] must be empty, or the same size as parameters[] When set, parameter_values[] match 1:1 with the same index in parameters[]

parameters : list<parameterDescriptor>

Parameter specifications for the node

publishers : list<topic>

Communications endpoints - Topics, Services, and Actions

serviceClients : list<service>

serviceServers : list<service>

subscriptions : list<topic>