Photorealistic Poolside Bikini Pose with Technical Specs

A highly technical JSON prompt for generating a photorealistic image of a woman seated poolside in a brown polka dot bikini. It includes detailed metadata, specific camera optics (50mm, f/2.8), complex lighting instructions (hard daylight, water bounce), and placeholders for face/skin/hair locking, ensuring a precise, high-quality output.

Prompt

{
  "meta": {
    "target_tool": "Nano Banana Pro",
    "timestamp": "2026-01-05T10:02:32+05:30",
    "image_dna": {
      "type": "Photo",
      "sensor": "iPhone 15 Pro / Sony A7III",
      "lock": "Orientation preserved 1:1"
    }
  },
  "spatial": {
    "facing": "Front-facing",
    "body": "Torso/hips squared to camera, knees splayed (butterfly position)",
    "camera_rel": "Centered, slightly elevated above eye-level"
  },
  "optics": {
    "focal_len": "50mm (Portrait)",
    "aperture": "f/2.8",
    "character": "Modern Sharpness, slight bloom",
    "flaws": ["Highlight bloom on hair", "Minor chromatic aberration on water"]
  },
  "environment": {
    "lighting": {
      "source": "Hard Daylight/Sun (Top-Right)",
      "bounce": "CRITICAL: Blue water bounce on right leg, warm grey paver bounce on legs",
      "shadows": "Hard, cast Left"
    },
    "physics": {
      "weather": "Dry heat, static hair",
      "materials": "Nylon tension, wet reflective water"
    }
  },
  "subject": {
    "id": "MAIN_SUBJECT",
    "pose": {
      "rig": "Seated on pool edge. Legs loosely crossed. Right arm straight on coping. Left hand on thigh.",
      "gaze": "Eyes to lens, head tilted down",
      "physics": "Glute compression, hand weight bearing"
    },
    "visuals": {
      "skin": "Natural tone, specular highlights (forehead/nose/shoulder)",
      "clothing": "{argument name="bikini description" default="Brown Bikini, White Polka Dots, Pink Ruffled Trim"}. Straps digging slightly."
    },
    "placeholders": {
      "skin": "[[USE_REFERENCE_SKIN]]",
      "face": "[[USE_REFERENCE_FACE]]",
      "hair": "[[USE_REFERENCE_HAIR]]"
    }
  },
  "context": {
    "off_screen": "Refracted caustics in pool (left), implied patio cover (behind)"
  },
  "generation": {
    "ar": "5:6",
    "positive": "Photorealistic, seated pose, poolside, bright sunlight, brown polka dot bikini, tattoos, paved ground, blue water, 8k",
    "negative": "Wrong direction, mirrored, oversaturated, plastic skin, cartoon, dark lighting, winter"
  }
}