ComfyUI Node
Spektrafilm Print Chemistry
Morph the print density curves: contrast per sublayer and channel, developer exhaustion.
Spektrafilm Print Chemistry
- params
- SPEKTRAFILM_PARAMS
◄activefalse►
◄gamma_factor1.00►
◄gamma_factor_fast1.00►
◄gamma_factor_slow1.00►
◄gamma_factor_red1.00►
◄gamma_factor_green1.00►
◄gamma_factor_blue1.00►
◄developer_exhaustion0.00►
Categoryimage/spektrafilm/params
Inputs (9)
| Name | Type | Default | Description |
|---|---|---|---|
| active | BOOLEAN | false | Enable print density-curve morphing. |
| gamma_factor | FLOAT | 1.000.5–2 | Global coupled gamma multiplier for the print density curves. |
| gamma_factor_fast | FLOAT | 1.000.5–2 | Gamma factor applied to the fast sub-layer. |
| gamma_factor_slow | FLOAT | 1.000.5–2 | Gamma factor applied to the mid and slow sub-layers. |
| gamma_factor_red | FLOAT | 1.000.5–2 | Per-channel gamma factor applied to the red channel. |
| gamma_factor_green | FLOAT | 1.000.5–2 | Per-channel gamma factor applied to the green channel. |
| gamma_factor_blue | FLOAT | 1.000.5–2 | Per-channel gamma factor applied to the blue channel. |
| developer_exhaustion | FLOAT | 0.000–1 | Blend all three print sub-layers toward the matched Gumbel shoulder while preserving midgray via a common horizontal offset. |
| paramsopt | SPEKTRAFILM_PARAMS | — |
Outputs (1)
| Name | Type | Description |
|---|---|---|
| SPEKTRAFILM_PARAMS | SPEKTRAFILM_PARAMS | — |