1e41f4b71Sopenharmony_ci# ScenePostProcessSettings
2e41f4b71Sopenharmony_ci本模块提供3D图形中的色调映射等图像后处理方法。
3e41f4b71Sopenharmony_ci
4e41f4b71Sopenharmony_ci> **说明:** 
5e41f4b71Sopenharmony_ci> - 本模块首批接口从API version 12开始支持,后续版本的新增接口,采用上角标标记接口的起始版本。
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7e41f4b71Sopenharmony_ci## 导入模块
8e41f4b71Sopenharmony_ci```ts
9e41f4b71Sopenharmony_ciimport { ToneMappingType, ToneMappingSettings, PostProcessSettings } from '@kit.ArkGraphics3D';
10e41f4b71Sopenharmony_ci```
11e41f4b71Sopenharmony_ci
12e41f4b71Sopenharmony_ci## ToneMappingType
13e41f4b71Sopenharmony_ci色调映射类型枚举。
14e41f4b71Sopenharmony_ci
15e41f4b71Sopenharmony_ci**系统能力:** SystemCapability.ArkUi.Graphics3D
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17e41f4b71Sopenharmony_ci| 名称 | 值 | 说明 |
18e41f4b71Sopenharmony_ci| ---- | ---- | ---- |
19e41f4b71Sopenharmony_ci| ACES | 0 | ACES类型。 |
20e41f4b71Sopenharmony_ci| ACES_2020 | 1 | ACES_2020类型。 |
21e41f4b71Sopenharmony_ci| FILMIC | 2 | FILMIC类型。 |
22e41f4b71Sopenharmony_ci
23e41f4b71Sopenharmony_ci## ToneMappingSettings
24e41f4b71Sopenharmony_ci色调映射设置实例。
25e41f4b71Sopenharmony_ci### 属性
26e41f4b71Sopenharmony_ci
27e41f4b71Sopenharmony_ci**系统能力:** SystemCapability.ArkUi.Graphics3D
28e41f4b71Sopenharmony_ci
29e41f4b71Sopenharmony_ci| 名称 | 类型 | 只读 | 可选 | 说明 |
30e41f4b71Sopenharmony_ci| ---- | ---- | ---- | ---- | ---- |
31e41f4b71Sopenharmony_ci| type | [ToneMappingType](#tonemappingtype) | 否 | 是 | 色调映射类型,默认值为undefined。 |
32e41f4b71Sopenharmony_ci| exposure | number | 否 | 是 | 曝光度,取值大于0,默认值为undefined。 |
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34e41f4b71Sopenharmony_ci## PostProcessSettings
35e41f4b71Sopenharmony_ci后处理设置。
36e41f4b71Sopenharmony_ci
37e41f4b71Sopenharmony_ci**系统能力:** SystemCapability.ArkUi.Graphics3D
38e41f4b71Sopenharmony_ci
39e41f4b71Sopenharmony_ci| 名称 | 类型 | 只读 | 可选 | 说明 |
40e41f4b71Sopenharmony_ci| ---- | ---- | ---- | ---- | ---- |
41e41f4b71Sopenharmony_ci| toneMapping | [ToneMappingSettings](#tonemappingsettings) | 否 | 是 | 色调映射设置,默认值为undefined。 |
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