The 'Light Migration for Character Portrait' workflow is designed to seamlessly integrate a reference lighting style into a character portrait, while maintaining the character's original features. Utilizing the Qwen-Image-Edit model, this workflow allows users to upload a portrait and a reference image that demonstrates the desired lighting conditions. The workflow then processes these inputs to generate a new image that applies the reference lighting to the character portrait, ensuring consistency and realism. This is achieved through a series of nodes, including 'LoadImage' for importing images, 'SaveImage' for exporting the final result, and a specialized node for applying the lighting transformation.
Technically, the workflow leverages the Qwen model's capabilities in image editing and transformation. The process begins with loading the character portrait and reference lighting image using the 'LoadImage' node. The Qwen-Image-Edit model then analyzes the lighting conditions in the reference image and applies these to the character portrait. This ensures that the lighting appears natural and coherent with the character's existing features. The workflow concludes with saving the newly generated image using the 'SaveImage' node. This technique is particularly useful for artists and designers who need to visualize characters under different lighting scenarios without compromising on character integrity.
API
Use this workflow from code
Every Comfy workflow is a JSON graph. The payload below is this workflow, exactly as ComfyUI runs it — fetch it from the URL, keep it in version control, or load it in ComfyUI and run it node by node.
GET https://comfy.org/workflows/download/4a4da321a45d.jsonFetching workflow JSON…
Run it from Python or TypeScript with the Comfy SDK. The same code targets Comfy Cloud or a ComfyUI you host yourself — only the base URL changes.
# Install (beta)
pip install comfy-sdk # Python
npm i @comfyorg/sdk # TypeScript
# Run "Light Migration for Character Portrait" (Python)
from comfy_sdk import Comfy
client = Comfy(api_key="comfyui-...")
# This workflow, exported in API format (see note below)
wf = client.workflows.from_file("templates-portrait_light_migration_api.json")
asset = client.assets.from_file("input.png")
wf.set_input("6", "image", asset) # LoadImage
job = client.run(wf)
for output in job.get_outputs("5"): # SaveImage
output.to_file(output.name)The SDK takes a workflow in API format: open this workflow in ComfyUI and use File → Export Workflow (API). API access requires a Comfy Cloud plan with an API key. SDK docs · Get an API key
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