Gemini Nano Banana 3 - 高时尚街头服装编辑

Gemini Nano Banana 3
Prompt:
{
"meta_control": {
"generation_mode": "multi_panel_consistent",
"priority_stack": ["identity_lock", "perspective_physics", "material_fidelity", "environmental_coherence"],
"quality_target": "editorial_print_ready"
},
"intent": {
"primary": "High-fashion streetwear editorial with extreme wide-angle perspective study",
"secondary": "Technical demonstration of foreshortening and forced perspective",
"publication_context": "Double-page spread, fashion magazine collage layout"
},
"frame": {
"aspect_ratio": "3:4",
"layout": {
"type": "2x2 grid collage",
"gutter_width": "2px white or seamless",
"panel_uniformity": "identical dimensions per panel"
}
},
"subject": {
"type": "Human male model",
"identity_lock": {
"enforcement_level": "strict",
"anchor_features": ["face_geometry", "skin_tone", "body_proportions", "hair_style"]
},
"biometrics": {
"age_presentation": "22-30",
"height_cm": 178,
"build": "Athletic, masculine proportions",
"ethnicity_presentation": "Your real appearance from reference image"
},
"facial_signature": {
"structure": "As in reference image (identity locked)",
"eyes": "Match reference image",
"nose": "Match reference image",
"lips": "Match reference image",
"skin": "Match reference — natural texture preserved",
"expression_default": "Neutral confidence, direct eye contact"
},
"hair": {
"style": "Match reference image",
"texture": "Match reference",
"behavior": "Natural movement responding to pose changes"
},
"wardrobe": {
"jacket": {
"item": "Oversized bomber jacket",
"material": "Ripstop nylon, high gloss",
"color": "Neon orange (vivid, saturated)",
"state": "Unzipped, hanging open",
"light_behavior": "Sharp specular highlights, visible weave texture"
},
"top": {
"item": "Fitted black crew-neck T-shirt",
"material": "Thick cotton jersey",
"fit": "Slightly tight, masculine silhouette",
"details": "Minimal, no logos, subtle ribbed collar"
},
"pants": {
"item": "Tactical cargo pants",
"material": "Heavy cotton twill, matte",
"color": "Charcoal grey",
"details": "Multiple pockets, silver buckles, black nylon straps, baggy fit"
},
"footwear": {
"item": "Platform sneakers",
"color": "White, chunky sole",
"condition": "Clean but worn, realistic sole texture"
}
},
"accessories": {
"neck": "Layered heavy silver Cuban link chains",
"hands": "Silver rings on index and middle fingers both hands"
}
},
"panels": [
{
"id": 1,
"position": "top-left",
"concept": "Extreme low-angle sneaker perspective",
"camera": {
"height_cm": 10,
"distance_cm": 35,
"angle": "Looking up at 75 degrees"
},
"composition": {
"foreground_dominant": "Right sneaker sole filling 40% of frame",
"midground": "Legs receding upward",
"background": "Torso and face small in upper frame, looking down"
},
"subject_pose": "Standing, weight back, right foot extended toward lens",
"expression": "Looking down, slight smirk"
},
{
"id": 2,
"position": "top-right",
"concept": "Bird\'s-eye reaching hand",
"camera": {
"height_cm": 200,
"distance_cm": 60,
"angle": "Looking straight down"
},
"composition": {
"foreground_dominant": "Hand reaching up, oversized perspective",
"midground": "Face looking up",
"background": "Body compressed, pavement visible"
},
"subject_pose": "Deep squat, one arm reaching up to camera",
"expression": "Intense upward eye contact, serious"
},
{
"id": 3,
"position": "bottom-left",
"concept": "Fisheye face extreme close-up",
"camera": {
"height_cm": 150,
"distance_cm": 20,
"angle": "Dutch tilt 20 degrees"
},
"composition": {
"foreground_dominant": "Face filling 70% of frame",
"background": "Environment warping and curving at edges"
},
"subject_pose": "Leaning face toward camera",
"expression": "Piercing eye contact, confident"
},
{
"id": 4,
"position": "bottom-right",
"concept": "Seated knee-forward perspective",
"camera": {
"height_cm": 40,
"distance_cm": 50,
"angle": "Slight upward looking"
},
"composition": {
"foreground_dominant": "Knees and shins large in frame",
"midground": "Torso leaning forward",
"background": "Face in upper third"
},
"subject_pose": "Seated on pavement, knees up, leaning toward camera",
"expression": "Relaxed confidence"
}
],
"environment": {
"location_type": "Urban industrial alleyway",
"surfaces": {
"ground": "Weathered concrete pavement",
"walls": "Concrete and brick, metal doors, subtle graffiti"
},
"atmosphere": "Gritty urban",
"consistency_rule": "Identical environment across all panels"
},
"lighting": {
"source": "Natural afternoon sunlight",
"quality": "Hard directional light",
"direction": "45 degrees from left",
"shadow_character": "Sharp, deep shadows",
"color_temperature_kelvin": 5500,
"fill": "Minimal ambient bounce"
},
"camera_global": {
"lens": "Ultra-wide 12–14mm rectilinear",
"aperture": "f/8",
"depth_of_field": "Deep",
"distortion": "Barrel distortion, exaggerated foreshortening",
"sensor": "Full-frame high resolution"
},
"post_processing": {
"color_grade": {
"contrast": "High",
"saturation_subject": "Vivid",
"saturation_background": "Muted",
"blacks": "Deep",
"highlights": "Preserved"
},
"texture": "8K resolution equivalent",
"film_treatment": "Subtle RAW grain"
},
"negative_constraints": {
"style_rejection": ["illustration", "anime", "cartoon", "painting", "CGI", "AI art look"],
"anatomical_rejection": ["extra fingers", "missing fingers", "incorrect limbs"],
"consistency_rejection": ["face change", "lighting change", "clothing inconsistency"],
"technical_rejection": ["blur", "noise", "watermark", "text"],
"lens_rejection": ["telephoto", "portrait lens look"]
}
}