Settings Reference
All settings live in Edit → Project Settings → Plugins → Custom Tone Mappers and are saved to DefaultEngine.ini.
[SCREENSHOT — Full settings panel annotated]
General
| Setting | Type | Default | Description |
|---|---|---|---|
| Enabled | Bool | true | Master toggle. When off, the plugin render pass is not injected and the default UE tonemapper is fully active. |
| Tone Mapper | Enum | AgX | Active tone mapping operator. |
| Exposure Compensation | Float (stops) | 0.0 | Applied before the tone curve as exp2(value). Range: [-10, 10]. |
AgX settings
Visible only when Tone Mapper is set to AgX.
| Setting | Type | Default | Options |
|---|---|---|---|
| AgX Look | Enum | Default | Default, Golden, Punchy |
See AgX for look descriptions.
GT (Uchimura) settings
Visible only when Tone Mapper is set to GT (Uchimura).
| Setting | Default | Range |
|---|---|---|
| Max Brightness (P) | 1.0 | > 0 |
| Contrast (a) | 1.0 | > 0 |
| Linear Start (m) | 0.22 | [0, 1] |
| Linear Length (l) | 0.4 | [0, 1] |
| Black Tightness (c) | 1.33 | > 0 |
| Pedestal (b) | 0.0 | ≥ 0 |
See GT (Uchimura) for tuning guidance.
Reinhard settings
Visible only when Tone Mapper is set to Reinhard – Extended.
| Setting | Default | Range |
|---|---|---|
| Max White (Lw) | 4.0 | (0, 1] |
Reinhard – Jodie has no additional settings.
Hable settings
Visible only when Tone Mapper is set to Hable (Uncharted 2).
| Setting | Default |
|---|---|
| A — Shoulder Strength | 0.15 |
| B — Linear Strength | 0.50 |
| C — Linear Angle | 0.10 |
| D — Toe Strength | 0.20 |
| E — Toe Numerator | 0.02 |
| F — Toe Denominator | 0.30 |
| W — White Point | 11.2 |
| Exposure Bias | 2.0 |
See Hable for parameter descriptions.
Operators with no additional settings
| Operator | Notes |
|---|---|
| Reinhard – Jodie | No parameters |
| Hejl-Burgess-Dawson | No parameters |
| Linear | No parameters |
| Disabled | Reverts to default UE tonemapper |
DefaultEngine.ini keys
Settings are stored under [/Script/AgxToneMappers.AgxToneMappersSettings]:
[/Script/AgxToneMappers.AgxToneMappersSettings]
bEnabled=True
ToneMapper=AgX
ExposureCompensation=0.0
AgXLook=Default
GT_MaxBrightness=1.0
GT_Contrast=1.0
GT_LinearStart=0.22
GT_LinearLength=0.4
GT_BlackTightness=1.33
GT_Pedestal=0.0
Reinhard_MaxWhite=4.0
Hable_A=0.15
Hable_B=0.50
Hable_C=0.10
Hable_D=0.20
Hable_E=0.02
Hable_F=0.30
Hable_W=11.2
Hable_ExposureBias=2.0