图像提示词

明暗对照肖像与身份互换

这是一个高度技术化且结构化的提示，专为身份互换功能设计，用于生成具有戏剧性明暗对比照明的人像。它指定了相机光学参数（85mm, f/2.8）、照明物理特性（硬聚光灯）和材料响应（皮肤上的高镜面反射率），以实现电影般的高对比度外观。

提示词

```json
{
  "meta": {
    "image_dna": {
      "type": "照片",
      "orientation_lock": "锁定：方向保持 9:16",
      "sensor_emulation": "索尼 Alpha / 35mm 胶片颗粒模拟"
    }
  },
  "spatial_orientation_engine": {
    "subject_facing_direction": "关键：头部转向左侧（观看者左侧）并向上倾斜",
    "body_rotation": "躯干略微向观看者右侧倾斜，左肩向前",
    "camera_position_relative": "相机与躯干齐平，略低于面部倾斜时的眼睛水平"
  },
  "camera_optics_and_geometry": {
    "lens_profile": {
      "focal_length": "85mm（人像长焦）",
      "aperture": "f/2.8（景深较浅，聚焦于眼睛/嘴唇）",
      "lens_character": "电影般的柔和度与高微对比度"
    },
    "optical_flaws": [
      "胶片颗粒（ISO 800）",
      "肩部柔焦衰减",
      "高光处略微泛光"
    ]
  },
  "environment_and_physics": {
    "lighting_engine": {
      "primary_source": "硬聚光灯 / 从左上方（10 点钟高位）射出的狭缝光",
      "radiosity_color_bleed": "暖色皮肤色调反射到服装内领口",
      "shadow_structure": "明暗对比：面部右侧/背景处深邃、压碎的黑色",
      "volumetrics": "空气洁净，大气雾霾极少"
    },
    "surface_physics": {
      "weather_impact": "无（影棚环境）",
      "material_response": "皮肤（肩部/鼻子/脸颊）高镜面反射率，表明有水分/油光"
    }
  },
  "scene_text_ocr": {
    "detected": false,
    "content": []
  },
  "objects_and_actors": [
    {
      "id": "MAIN_SUBJECT",
      "role": "身份替换目标",
      "pose_engineering": {
        "skeletal_rig": "颈椎伸展并向左旋转。左肩抬高。下巴抬起。",
        "gaze_vector": "眼睛向上并向左看（跟随光源）。",
        "interaction_physics": "服装松散地垂坠，重力将织物从肩部向下拉。"
      },
      "physiological_state": {
        "body_temp_visuals": "散发着温暖，脸颊略微泛红。",
        "skin_light_interaction": "肩部和鼻梁处有强烈的高光。在受光皮肤边缘可见次表面散射。"
      },
      "clothing_simulation": {
        "garment_stack": "{argument name=\"garment type\" default=\"米色/棕色毛圈布浴袍\"} 或 纹理针织开衫",
        "fabric_mechanics": "面料厚重，张力低，从肩部滑落，露出领口。",
        "texture_and_wear": "高摩擦毛圈纹理，柔软不平整的表面。"
      },
      "identity_placeholders": {
        "skin_tone": "[[USE_REFERENCE_SKIN]]",
        "face_structure": "[[USE_REFERENCE_FACE]]",
        "hair_style": "[[USE_REFERENCE_HAIR]]"
      }
    }
  ],
  "off_screen_context": {
    "reflections": "定向光源在虹膜上方产生的眼神光",
    "implied_e": ""
  }
}
```