# GPT Image Hub prompt

## Chân Dung Đèn Flash Ban Đêm Trong Rừng Tuyết
- URL: https://www.gptimagehub.com/vi/library/winter-forest-night-flash-portrait
- Generator URL: https://www.gptimagehub.com/vi/generate?promptId=oss-ym-mm-2911
- Markdown URL: https://www.gptimagehub.com/api/agent/markdown?path=%2Fvi%2Flibrary%2Fwinter-forest-night-flash-portrait
- Category: Chân dung và nhiếp ảnh
- Model: nanobananapro
- Aspect ratio: 3:4
- Style: photorealistic
- Tags: chân dung, thời trang mùa đông, flash ban đêm, rừng tuyết, flash trực tiếp, thẩm mỹ
- Updated: 2026-10-28T03:01:33.098Z
- Created: 2026-10-28T03:01:33.098Z

Tạo chân dung ban đêm bằng đèn flash trực tiếp của người phụ nữ mặc đồ len trắng giữa rừng thông tuyết. Tùy chỉnh trang phục, độ dày tuyết rơi hoặc ảnh tham chiếu.

### Full prompt
```text
{
  "reference_control": {
    "mode": "optional_image_reference",
    "reference_images": {
      "character_reference": "[the reference photo]"
    },
    "identity_lock": {
      "enabled": true,
      "strength": 1.0,
      "priority": "face_first",
      "preserve": [
        "facial_structure",
        "skin_texture",
        "hairline",
        "hair_color",
        "expression"
      ],
      "forbid": [
        "identity_drift",
        "age_change",
        "ethnicity_change",
        "beauty_filter_face_change"
      ]
    }
  },
  "image_request": {
    "goal": "Hyperrealistic winter night flash fashion portrait in a snowy pine forest",
    "meta": {
      "image_type": "Night Flash Portrait / Winter Fashion / Social Media Photo",
      "aspect_ratio": "3:4"
    },
    "subject": {
      "count": 1,
      "type": "female",
      "pose": "standing centered, full-body, facing camera, arms slightly out to the sides, holding small piles of snow in both hands",
      "expression": "calm, confident",
      "hair": "long dark hair, loose, slightly wavy",
      "makeup": "soft glam, defined brows, nude lipstick, subtle highlight",
      "wardrobe": {
        "hat": "white fuzzy faux-fur hat",
        "dress": "white off-shoulder fitted cable-knit sweater dress, mini length",
        "wrists": "white fuzzy cuffs",
        "socks": "white thigh-high knit socks"
      },
      "accessories": "delicate silver necklace"
    },
    "environment": {
      "setting": "snowy evergreen forest at night",
      "background": "dense snow-covered pine trees with dark teal and blue shadows",
      "weather": "active snowfall with visible snowflakes drifting in the foreground"
    },
    "lighting": {
      "type": "night flash photography",
      "key": "strong on-camera direct flash",
      "effect": "crisply illuminated subject, sparkling snowflakes, natural background light falloff, realistic shadows"
    },
    "camera": {
      "lens_look": "35mm lens",
      "angle": "eye-level",
      "aperture": "f/2.8 to f/4",
      "depth_of_field": "moderate",
      "focus": "sharp focus on face and knit textile texture"
    },
    "color_grading": {
      "palette": "cool winter tones with deep blue and teal shadows contrasting bright white knitwear and snow",
      "contrast": "moderate-high direct flash aesthetic",
      "finish": "crisp, realistic editorial"
    },
    "constraints": {
      "no_text": true,
      "no_watermark": true,
      "no_logos": true,
      "no_extra_people": true
    }
  }
}
```