# GPT Image Hub prompt

## 沙灘毛巾上的夏日肖像
- URL: https://www.gptimagehub.com/zh-TW/library/summer-beach-portraits-on-towels
- Generator URL: https://www.gptimagehub.com/zh-TW/generate?promptId=oss-ym-mm-11206
- Markdown URL: https://www.gptimagehub.com/api/agent/markdown?path=%2Fzh-TW%2Flibrary%2Fsummer-beach-portraits-on-towels
- Category: 人像與攝影
- Model: gpt-image-2-5-sunburst
- Aspect ratio: 16:9
- Style: photorealistic
- Tags: 海灘, 肖像, 真實感, json提示詞, 夏季, 度假裝
- Updated: 2026-10-26T15:53:15.248Z
- Created: 2026-10-26T15:53:15.248Z

生成具有精確服裝與生物特徵規格的高度結構化雙人沙灘肖像。可在 JSON 鍵中自訂顏色、休閒款式或人物主體。

### Full prompt
```text
{
  "subject": {
    "identities": [
      {
        "biometric_reference": "Sydney Sweeney",
        "facial_structure": {
          "shape": "顴骨清晰的鵝蛋臉",
          "eye_morphology": "杏仁狀眼睛，具有內雙特徵",
          "dentition": "排列自然的亮白牙齒",
          "iris_pattern": "帶有放射狀基質纖維的亮藍灰色"
        },
        "body_morphology": {
          "somatotype": "勻稱體型，相比主體2身材略微嬌小",
          "skin_physics": {
            "tone_hex": "#F8D1B4",
            "texture": "柔和陽光下的自然肌膚質感"
          }
        },
        "wardrobe": {
          "item": "休閒無袖亞麻上衣搭配同款短褲",
          "material": "透氣亞麻混紡面料",
          "color_hex": "#191970",
          "fit": "寬鬆舒適的度假風款式"
        }
      },
      {
        "biometric_reference": "Ana de Armas",
        "facial_structure": {
          "shape": "兼具鮮明高顴骨與勻稱下頜線條的鵝蛋心形臉",
          "dentition": "排列自然的亮白牙齒",
          "iris_pattern": "帶有金色細斑和深色角膜緣環的複合綠/淡褐色",
          "lip_morphology": "對稱的丘位元之弓，豐潤的下唇"
        },
        "body_morphology": {
          "somatotype": "苗條勻稱體型，中等身高，比例協調",
          "skeletal_proportions": "協調的股骨與軀幹比例",
          "skin_physics": {
            "tone_hex": "#FAD6A5",
            "texture": "毛孔細膩可見的自然淺橄欖色膚質，帶有細微光照反光"
          }
        },
        "wardrobe": {
          "item": "短袖夏季圓領T恤搭配休閒短褲",
          "material": "輕盈華夫格針織純棉",
          "color_hex": "#FFFFFF",
          "fit": "經典舒適的日常休閒版型"
        }
      }
    ]
  },
  "pose_action": {
    "description": "舒適地坐在沙灘毛巾上，保持端正放鬆的坐姿",
    "interaction": "兩位人物均面朝前方，對著鏡頭自然微笑",
    "arm_placement": "雙臂自然垂放於身體兩側或搭在膝上",
    "leg_position": "雙腿在沙灘毛巾上舒適地曲起或盤坐",
    "symmetry": "並排對齊，主體1在左側（白色毛巾），主體2在右側（紅色毛巾）"
  },
  "scene": {
    "environment": "陽光明媚的戶外海灘度假勝地",
    "surface": "鋪有兩張平整沙灘毛巾的細膩溫熱沙灘",
    "lighting": "明亮直射陽光，柔和的海洋漫反射補光，自然輪廓光"
  }
}
```