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Clara Viz Operator#

Authors: Holoscan SDK Team (NVIDIA)
Supported platforms: x86_64, aarch64
Language: Python
Last modified: August 5, 2025
Latest version: 1.1.0
Minimum Holoscan SDK version: 1.0.3
Tested Holoscan SDK versions: 2.2.0, 3.2.0
Contribution metric: Level 2 - Trusted

This operator integrates Clara Viz visualization into medical imaging pipelines.

Overview#

The ClaraVizOperator enables advanced visualization of medical imaging data using Clara Viz, supporting GPU-accelerated rendering and interaction.

Requirements#

  • Holoscan SDK Python package
  • clara-viz
  • IPython
  • ipywidgets

Example Usage#

from holoscan.core import Fragment
from operators.medical_imaging.clara_viz_operator import ClaraVizOperator

fragment = Fragment()
viz_op = ClaraVizOperator(
    fragment,
    name="clara_viz",  # Optional operator name
    input_name_image="image",  # Name of the input port for the image
    input_name_seg_image="seg_image"  # Name of the input port for the segmentation image
)

API Reference#

Python#

ClaraVizOperator#

Inherits from: Operator

This operator uses Clara Viz to provide interactive view of a 3D volume including segmentation mask.

Methods#
Method Description
__init__(fragment) Constructor of the operator.
setup(spec)
compute(op_input, op_output, context) Displays the input image and segmentation mask