1e41f4b71Sopenharmony_ci# ScenePostProcessSettings 2e41f4b71Sopenharmony_ciThe ScenePostProcessSettings module provides image post-processing methods (for example, tone mapping) in 3D graphics. 3e41f4b71Sopenharmony_ci 4e41f4b71Sopenharmony_ci> **NOTE** 5e41f4b71Sopenharmony_ci> 6e41f4b71Sopenharmony_ci> The initial APIs of this module are supported since API version 12. Newly added APIs will be marked with a superscript to indicate their earliest API version. 7e41f4b71Sopenharmony_ci 8e41f4b71Sopenharmony_ci## Modules to Import 9e41f4b71Sopenharmony_ci```ts 10e41f4b71Sopenharmony_ciimport { ToneMappingType, ToneMappingSettings, PostProcessSettings } from '@kit.ArkGraphics3D'; 11e41f4b71Sopenharmony_ci``` 12e41f4b71Sopenharmony_ci 13e41f4b71Sopenharmony_ci## ToneMappingType 14e41f4b71Sopenharmony_ciEnumerates the tone mapping types. 15e41f4b71Sopenharmony_ci 16e41f4b71Sopenharmony_ci**System capability**: SystemCapability.ArkUi.Graphics3D 17e41f4b71Sopenharmony_ci 18e41f4b71Sopenharmony_ci| Name| Value| Description| 19e41f4b71Sopenharmony_ci| ---- | ---- | ---- | 20e41f4b71Sopenharmony_ci| ACES | 0 | Academy Color Encoding System (ACES).| 21e41f4b71Sopenharmony_ci| ACES_2020 | 1 | ACES_2020.| 22e41f4b71Sopenharmony_ci| FILMIC | 2 | Filmic.| 23e41f4b71Sopenharmony_ci 24e41f4b71Sopenharmony_ci## ToneMappingSettings 25e41f4b71Sopenharmony_ciDescribes the tone mapping settings. 26e41f4b71Sopenharmony_ci### Properties 27e41f4b71Sopenharmony_ci 28e41f4b71Sopenharmony_ci**System capability**: SystemCapability.ArkUi.Graphics3D 29e41f4b71Sopenharmony_ci 30e41f4b71Sopenharmony_ci| Name| Type| Read Only| Optional| Description| 31e41f4b71Sopenharmony_ci| ---- | ---- | ---- | ---- | ---- | 32e41f4b71Sopenharmony_ci| type | [ToneMappingType](#tonemappingtype) | No| Yes| Tone mapping type. The default value is undefined.| 33e41f4b71Sopenharmony_ci| exposure | number | No| Yes| Exposure. The value is greater than 0. The default value is undefined.| 34e41f4b71Sopenharmony_ci 35e41f4b71Sopenharmony_ci## PostProcessSettings 36e41f4b71Sopenharmony_ciDescribes the post-processing settings. 37e41f4b71Sopenharmony_ci 38e41f4b71Sopenharmony_ci**System capability**: SystemCapability.ArkUi.Graphics3D 39e41f4b71Sopenharmony_ci 40e41f4b71Sopenharmony_ci| Name| Type| Read Only| Optional| Description| 41e41f4b71Sopenharmony_ci| ---- | ---- | ---- | ---- | ---- | 42e41f4b71Sopenharmony_ci| toneMapping | [ToneMappingSettings](#tonemappingsettings) | No| Yes| Tone mapping settings. The default value is undefined.| 43