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OpenIGTLink operator#

Authors: Holoscan Team (NVIDIA)
Supported platforms: x86_64, aarch64
Language: C++
Last modified: August 5, 2025
Latest version: 1.0
Minimum Holoscan SDK version: 1.0.3
Tested Holoscan SDK versions: 1.0.3
Contribution metric: Level 2 - Trusted

The openigtlink operator provides a way to send and receive imaging data using the OpenIGTLink library. The openigtlink operator contains separate operators for transmit and receive. Users may choose one or the other, or use both in applications requiring bidirectional traffic.

The openigtlink operators use class names: OpenIGTLinkTxOp and OpenIGTLinkRxOp

Operator class to send and transmit data using the OpenIGTLink protocol.

Receiver Configuration Parameters#
  • port: Port number of server
  • type: integer
  • out_tensor_name: Name of output tensor
  • type: string
  • flip_width_height: Flip width and height (necessary for receiving from 3D Slicer)
  • type: bool
Transmitter Configuration Parameters#
  • device_name: OpenIGTLink device name
  • type: string
  • input_names: Names of input messages
  • type: std::vector<std::string>
  • host_name: Host name
  • type: string
  • port: Port number of server
  • type: integer