
Hyper-Detailed Biometric and Attire Analysis Prompt
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An extremely detailed, structured JSON prompt for Nano Banana Pro, designed to generate an image based on minute physical and environmental observations, including biometric anchors, dermatological ma
Prompt
{
"meta_data": {
"calculated_aspect_ratio": "--ar {argument name="aspect ratio" default="4:5"}",
"crop_tightness": "Waist-up portrait, subject seated",
"image_fidelity": "Moderate grain visible in shadow areas, soft focus typical of front-facing smartphone camera indoors"
},
"subject_mapping": {
"biometric_anchors": {
"apparent_age_precise": "{argument name="age" default="Late teens to early 20s"}",
"ethnicity_specifics": "Fair to light tan skin tone with warm undertones; freckling present on nose bridge and cheeks",
"body_mass_distribution": "Slender build, prominent clavicles visible, soft tissue distribution on upper arms consistent with relaxed posture"
},
"face_inventory": {
"asymmetry_notes": "Subject's head tilted slightly to their right. Subject's right eyebrow (viewer's left) appears slightly lower than the left. Upper lip peak slightly sharper on subject's right side.",
"dermatological_map": [
"Cluster of light freckles across the bridge of the nose and extending to upper cheeks",
"Slight redness/flushing on cheeks and nose tip",
"Smooth texture on forehead with high reflectivity"
],
"eye_details_precise": "Light green/hazel irises. Catchlights present in the upper-right quadrant (viewer's perspective) of both pupils. Dark, defined lash line, possibly mascara.",
"mouth_state_precise": "Lips parted approximately 3-5mm. Upper central incisors visible. Lower lip full with glossy finish reflecting light centrally."
},
"hair_strand_analysis": {
"root_status": "Uniform dark brown/black at roots, consistent with ends (no visible regrowth line).",
"chaos_inventory": "Micro-bangs (baby bangs) cut bluntly above eyebrows. Several stray hairs (flyaways) projecting from the crown against the beige wall. Strands curving inward to touch the jawline on both sides.",
"contact_points": "Hair rests on the back of the neck and drapes over the top of the couch cushions behind the head."
},
"torso_mechanics": {
"posture_gravity_effect": "Subject is leaning back into a soft surface (couch), causing slight rounding of shoulders forward. Neck slightly compressed due to backward lean.",
"chest_topography": "Fabric stretched taut across the bust line. Soft gradient shadows indicate contour. No deep cleavage visible due to high crew-neck cut.",
"skin_surface_inventory": "Prominent suprasternal notch (hollow of throat). Smooth skin texture on exposed arms and chest."
}
},
"attire_inventory_and_physics": {
"layer_1_top": {
"item_identity": "White 'baby tee' (cropped t-shirt) with text",
"material_weave": "Cotton or cotton-blend jersey, lightweight, slightly semi-sheer",
"stress_and_fold_mapping": [
"Horizontal tension wrinkles pulling from armpits across the upper chest",
"Diagonal folding on the subject's right side torso due to arm movement/pointing",
"Fabric bunching s




