ComfyUI Node
⬡ Polyhedron Dual Sigma Curve
Dual sigma-curve for HIGH/LOW dual-pass sampling. Different schedules per pass with seamless handoff at split_step. Wire total_steps and split_step outputs to all samplers/schedulers.
⬡ Polyhedron Dual Sigma Curve
- sigmas_high
- sigmas_low
◄schedule_highkarras►
◄schedule_lowbong_tangent►
◄total_steps20►
◄split_step8►
◄sigma_max1.000►
◄sigma_min0.0020►
◄rho_high7.0►
◄rho_low7.0►
CategoryPolyhedron/Sigma
Inputs (8)
| Name | Type | Default | Description |
|---|---|---|---|
| schedule_high | COMBO | karras | Sigma curve for HIGH pass (structure phase) |
| schedule_low | COMBO | bong_tangent | Sigma curve for LOW pass (detail phase) |
| total_steps | INT | 202–300 | Total steps across both passes |
| split_step | INT | 81–299 | Where HIGH ends and LOW begins |
| sigma_max | FLOAT | 1.0000.0001–1000 | Flow-matching (WAN/FLUX/SD3): 1.0 — k-diffusion (SDXL/SD1.5): 14.61 |
| sigma_min | FLOAT | 0.00200.00001–100 | Flow-matching (WAN/FLUX/SD3): 0.002 — k-diffusion (SDXL/SD1.5): 0.029 |
| rho_high | FLOAT | 7.00.1–20 | Shape param for HIGH schedule (karras/exponential/laplace only) |
| rho_low | FLOAT | 7.00.1–20 | Shape param for LOW schedule (karras/exponential/laplace only) |
Outputs (2)
| Name | Type | Description |
|---|---|---|
| sigmas_high | SIGMAS | — |
| sigmas_low | SIGMAS | — |