Pool B · Heart Rooftop · Multi-ref Forward

📅 2026-04-11 💜 Heart-shaped pool · Luxury rooftop · 5 frames 💰 $0.335 🔄 0 регенов ✅ 5/5 first try
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🏆 Multi-ref + уроки Pool A = drastic improvement

Pool B сделан с самого начала с multi-ref [previous + frame_01] и применением правил из Pool A (позитивные state-маркеры, lighting state в начале промпта). Результат: 0 регенов на все 5 кадров.

Total cost
Pool A: $0.737 Pool B: $0.335
Регенов
Pool A: 6 Pool B: 0
Generations
Pool A: 11 Pool B: 5
$/accepted frame
$0.147 $0.067
5/5
First-try success
0
Регенов
$0.335
Total cost
$0.067
Per frame
~5m
Total time
★★★★★
Continuity

Continuity check — 5 финальных кадров

Все scene anchors (rooftop deck, glass railing, city skyline, kitchen, olive trees, sun loungers, heart shape) сохранены через всю последовательность благодаря multi-ref подходу. Blueprint + measuring tape у нижней точки сердца удерживался через 3 кадра подряд (1, 2, 3).

frame 1
1. Heart outline
frame 2
2. Demolition
frame 3
3. Concrete shell
frame 4
4. Marble dry
frame 5
5. Sunset filled

Концепт и подход

Концепт: giant heart-shaped luxury swimming pool на rooftop terrace модерного penthouse с city skyline. Тест на универсальность — другая форма (сердце), другая среда (rooftop вместо backyard), другое освещение (sunset вместо twilight LEDs).

Стратегия: Forward Redescribe + Multi-ref c самого начала. Frame 1 — T2I канонический. Frame 2 — I2I с frame 1 (он же ref и anchor). Frames 3-5 — multi-ref [previous + frame_01] где frame_01 работает как shape-constraint.

Правила применённые из Pool A:

  1. Никаких негативных промптов («NO water») — только позитивные state-маркеры (ladder, bucket, plaster bags)
  2. Lighting transitions в самой первой строке промпта
  3. Полное переписывание сцены в каждом промпте
  4. Multi-ref [previous + frame_01] по дефолту

Модель: gemini-3.1-flash-image-preview (Nano Banana 3.1) — $0.067 per image.

Frame-by-frame breakdown

frame 1

01 Empty rooftop + heart outline

Канонический кадр сцены. Luxury penthouse rooftop с city view, heart outline в белой краске, инструменты и blueprint на deck.
T2I (0 refs) 1871 chars ✅ first try $0.067

Что хорошо: luxury rooftop polished concrete deck, glass railing + steel posts, city skyline highrises, outdoor kitchen grill, olive trees in black planters, 3 sun loungers, heart outline симметричный, 6 surveyor stakes с оранжевыми флажками, blueprint + yellow measuring tape у нижней точки сердца. Aerial 65° tilt, sunny daytime.

Полный prompt (1871 chars)
Static aerial drone shot looking down at a 65-degree tilt over the rooftop terrace of a modern luxury penthouse, photographed from approximately 12 meters above. The rooftop is a wide rectangular terrace with a smooth polished pale gray concrete deck floor, surrounded on three sides by a clean glass-panel safety railing approximately 1.2 meters tall held in place by sleek brushed-stainless-steel posts. Beyond the glass railing, a vast modern city skyline of tall glass-and-steel high-rise buildings extends into the distance under a clear bright daytime sky. At the back edge of the terrace stands a low contemporary outdoor kitchen counter with a stainless-steel grill and two tall potted olive trees in matte black square planters. Two minimalist beige sun loungers with white cushions are positioned along the right edge of the terrace, facing the city view. In the center of the empty concrete deck, a large symmetric outline of a giant heart-shaped swimming pool has been carefully sprayed onto the concrete floor using bright white marking paint. The heart shape is clearly recognizable: two rounded lobes at the top forming the upper curves of the heart, joining in a V-shape in the middle, and tapering down to a sharp point at the bottom of the frame. Six small wooden surveyor stakes with bright orange flagging tape mark the corners and joints of the outline. A folded paper architectural blueprint and a yellow measuring tape lie on the concrete near the pointed bottom of the heart. Bright sunny late-morning lighting from the upper left, casting soft sharp shadows from the railings and planters across the smooth concrete. Photorealistic, hyper-realistic, shot on a DJI Mavic 3 Pro drone, sharp focus throughout, natural color grading, 9:16 vertical orientation, no people visible, no captions, no text overlays, no watermark, no CGI, no cartoon style.
frame 2

02 Demolition / structural prep

Yellow electric jackhammer + orange power cable + concrete saw + yellow debris buckets. Heart interior demolished — gray rubble, exposed subfloor.
I2I (1 ref: 01.png) 2325 chars ✅ first try $0.067

Continuity: rooftop, railing, city, kitchen, olive trees, loungers — все ИДЕНТИЧНО. Surveyor stakes на углах сохранены. Blueprint + measuring tape перенесены из frame 1!
Что нового: demolition zone в форме сердца с rubble, jackhammer, cutting saw, debris buckets, dust mat.

Полный prompt (2325 chars)
Static aerial drone shot looking down at a 65-degree tilt over the same rooftop terrace of the same modern luxury penthouse, photographed from approximately 12 meters above. The same wide rectangular terrace with smooth polished pale gray concrete deck floor surrounds the work area. The same glass-panel safety railing with brushed-stainless-steel posts runs along the left edge with the same vast modern city skyline of tall glass-and-steel high-rise buildings extending into the distance under the same clear bright daytime sky. The same low contemporary outdoor kitchen counter with stainless-steel grill and the same two tall potted olive trees in matte black square planters stand at the back edge. The same minimalist beige sun loungers with white cushions are positioned along the right edge of the terrace, but now covered with translucent plastic dust sheets to protect them from construction debris. Inside the previously sprayed white outline of the giant heart-shaped pool, jackhammer demolition work is now actively underway: a yellow electric jackhammer with a thick orange power cable lies on the concrete near the upper left lobe of the heart. A small dark gray concrete cutting saw with a circular diamond blade sits near the V-junction. Approximately one third of the heart shape has been hammered down to expose the bare structural concrete subfloor about 30 centimeters below the original deck level, with rough chunky edges around the demolition zone. Visible inside the demolished area: bare gray concrete subfloor, exposed black rebar bars in the structural slab, and a thin layer of fresh white concrete dust. Piles of broken concrete chunks and gray rubble are heaped neatly at the corners around the heart perimeter. Two large yellow heavy-duty buckets full of debris sit on the deck just outside the heart outline. A thick black rubber dust mat is laid across the deck from the kitchen area to protect the surrounding concrete. Same bright sunny late-morning lighting from the upper left, casting the same soft sharp shadows from the railings and planters across the smooth concrete. Photorealistic, hyper-realistic, shot on a DJI Mavic 3 Pro drone, sharp focus throughout, natural color grading, 9:16 vertical orientation, no people visible, no captions, no text overlays, no watermark, no CGI.
frame 3

03 Concrete shell

Heart pit полностью excavated ~1.5m depth, clean concrete walls, rubble убран. Deck подготовлен для finishing phase.
multi-ref: 02 + 01 2458 chars ✅ first try $0.067

Continuity: все scene anchors сохранены, форма сердца кристалл, blueprint + measuring tape удержались через 3 кадра благодаря frame_01 anchor.
Что нового: демолишн закончен, pit чистый, готов к finishing.
Минор: waterproofing membrane не отрендерилось — модель показала plain concrete walls.

Полный prompt (2458 chars)
Static aerial drone shot looking down at a 65-degree tilt over the same rooftop terrace of the same modern luxury penthouse, photographed from approximately 12 meters above. The same wide rectangular terrace with smooth polished pale gray concrete deck floor surrounds the work area. The same glass-panel safety railing with brushed-stainless-steel posts runs along the left edge with the same vast modern city skyline of tall glass-and-steel high-rise buildings extending into the distance under the same clear bright daytime sky. The same low contemporary outdoor kitchen counter with stainless-steel grill and the same two tall potted olive trees in matte black square planters stand at the back edge. The same sun loungers along the right edge of the terrace are still covered with translucent plastic dust sheets. In the center of the rooftop deck, the giant heart-shaped pool excavation is now in the structural shell stage. The heart-shaped pit is now fully formed and approximately 1.5 meters deep, with cleanly cut vertical edges flush with the surrounding concrete deck. The interior walls and floor of the heart-shaped pit are lined with thick black bituminous waterproofing membrane material, glistening slightly in the sunlight, with carefully overlapped seams visible along the joints. A grid of bright orange and yellow plastic spacers and stainless-steel anchor bolts is visible on top of the membrane, marking where the pool plumbing fittings will be installed. Two coiled black flexible PVC drain pipes lie inside the pit near the V-junction, ready to be connected. The yellow jackhammer and the small concrete saw have been moved to the edge of the deck near the kitchen counter, parked. The piles of concrete rubble from the previous demolition phase have been completely cleared away and the surrounding deck has been swept clean of dust. A neat stack of unopened cream-colored marble tile boxes and a pallet of grout bags now sit on the deck near the right side of the heart, ready for the next phase. The wooden surveyor stakes around the perimeter remain in place. Same bright sunny late-morning lighting from the upper left, casting the same soft sharp shadows from the railings and planters across the smooth concrete. Photorealistic, hyper-realistic, shot on a DJI Mavic 3 Pro drone, sharp focus throughout, natural color grading, 9:16 vertical orientation, no people visible, no captions, no text overlays, no watermark, no CGI.
frame 4

04 Marble tile finishing (DRY)

Cream marble tile interior, aluminum ladder в V-junction, cream coping stones, blue bucket + tools на dry полу. Pool DRY с первой попытки!
multi-ref: 03 + 01 2663 chars ✅ first try $0.067

🏆 Победа над Pool A проблемой воды! В Pool A frame 4 потребовалось 4 попытки чтобы pool остался dry. Здесь — с первой. Применённые правила: позитивные state-маркеры (ladder, bucket, tile boxes), никакого упоминания «no water», multi-ref с frame_01 anchor (который тоже dry).
Что есть: dry marble interior, ladder в V-junction, marble coping stones по периметру, blue bucket + tools, marble tile boxes на deck, deep shadow в pit показывает hollow basin.

Полный prompt (2663 chars)
Static aerial drone shot looking down at a 65-degree tilt over the same rooftop terrace of the same modern luxury penthouse, photographed from approximately 12 meters above. The same wide rectangular terrace with smooth polished pale gray concrete deck floor surrounds the work area. The same glass-panel safety railing with brushed-stainless-steel posts runs along the left edge with the same vast modern city skyline of tall glass-and-steel high-rise buildings extending into the distance under the same clear bright daytime sky. The same low contemporary outdoor kitchen counter with stainless-steel grill and the same two tall potted olive trees in matte black square planters stand at the back edge. The same minimalist beige sun loungers with white cushions are positioned along the right edge of the terrace, dust sheets now removed, ready for use. In the center of the rooftop deck, the giant heart-shaped pit is now in the marble tile finishing stage. The interior walls and floor of the heart-shaped pit are completely lined with large polished cream and warm-white veined marble slab tiles, each tile approximately 60 centimeters square, joined with thin pale grout lines forming a clean rectilinear pattern across the curved heart surfaces. The marble surface is matte and dusty with fresh tile installation residue. A tall aluminum extension ladder leans against the inside wall at the V-junction of the heart, providing access to the bottom of the pit. The pit is approximately 1.5 meters deep — you can clearly see the matte cream marble floor at the bottom in deep shadow cast by the high midday sun, half of the pit interior brightly lit and half in deep shadow showing the empty hollow depth of the pool basin. A long-handled white floor squeegee, a dark blue plastic bucket, and several wet rags lie on the dry marble floor near the pointed bottom of the heart. A continuous border of polished cream-colored marble coping stones has been installed around the entire rim of the heart pit, neatly framing the heart shape. Several stacks of unused marble tile boxes and a white plastic mixing tub of grout sit on the deck just outside the upper heart lobes. The wooden surveyor stakes are gone — installation phase has begun. Same bright sunny midday lighting from nearly directly above, casting short crisp shadows. The empty pit interior is half in bright sunlight, half in deep shadow, clearly showing the basin is hollow and dry. Photorealistic, hyper-realistic, shot on a DJI Mavic 3 Pro drone, sharp focus throughout, natural color grading, 9:16 vertical orientation, no people visible, no captions, no text overlays, no watermark, no CGI.
frame 5

05 Filled at sunset (HERO SHOT)

Golden hour sunset, city skyline glowing, heart pool turquoise filled mirroring sky. Cinematic composition.
multi-ref: 04 + 01 2735 chars ✅ first try $0.067

🏆 Победа над Pool A lighting problem! Pool A frame 5 потребовалось 2 попытки. Здесь lighting в самой первой строке («GOLDEN HOUR SUNSET SCENE OVER A CITY SKYLINE») перебило baseline daytime из ref-кадра 04 с первой попытки.
Что есть: golden hour orange/peach sky gradient, city skyline glowing в закатном свете, heart pool brim-full с turquoise water, glassy mirror surface отражает sky, cinematic golden-hour color grade.

Полный prompt (2735 chars)
GOLDEN HOUR SUNSET SCENE OVER A CITY SKYLINE. The sky is a dramatic gradient of warm burnt-orange, peach, and soft pink near the horizon, transitioning to a deep dusky violet-blue overhead. The setting sun bathes everything in warm golden light. Long warm orange sunset shadows stretch diagonally across the entire rooftop deck from the railings, planters, and kitchen counter. The vast modern city skyline of tall glass-and-steel high-rise buildings catches the warm sunset light on its glass facades, glowing orange and gold against the dusky sky. Static aerial drone shot looking down at a 65-degree tilt over the same rooftop terrace of the same modern luxury penthouse, photographed from approximately 12 meters above. The same wide rectangular terrace with smooth polished pale gray concrete deck floor, now glowing warm peach in the sunset light. The same glass-panel safety railing with brushed-stainless-steel posts runs along the left edge — the railing posts cast long warm-orange shadows across the deck. Beyond the railing the city skyline glows in the sunset. The same low contemporary outdoor kitchen counter with stainless-steel grill at the back edge — and now a row of small bright warm-yellow LED uplights along the base of the counter is glowing softly. The same two tall potted olive trees in matte black square planters are slightly silhouetted by the warm sunset light. The same minimalist beige sun loungers along the right edge are bathed in golden sunset light, white cushions glowing warm. In the center of the rooftop deck, the giant heart-shaped luxury swimming pool is now completely finished and brim-full with crystal-clear sparkling turquoise water. The pool surface is glassy still, mirroring the warm orange and pink sunset sky overhead like a perfect heart-shaped mirror. The setting sunlight glints in dazzling specular highlights on the water surface. Underwater LED lights set into the marble walls cast a soft warm-white glow upward through the water, just barely visible against the natural sunset light. The continuous border of cream marble coping stones around the heart rim is bathed in warm orange light. Small ripples on the water catch the warm sunset color, painting cool turquoise and warm gold reflections into the water. The bright reflective heart pool dominates the foreground of the frame. Photorealistic, hyper-realistic, shot on a DJI Mavic 3 Pro drone, sharp focus throughout, cinematic golden-hour color grading, 9:16 vertical orientation, no people visible, no captions, no text overlays, no watermark, no CGI. The dominant color palette of this frame is warm orange, peach, and pink for the sky and skyline, with cool turquoise for the water reflecting back the warm sky.

📊 Финальные выводы Pool B

Multi-ref + правила Pool A = золотой стандарт

Pool B сделан с самого начала зная всё что выяснили на Pool A. Результат: 0 регенов на 5 кадров. Это означает что наш текущий best practice — рабочий рецепт.

Подтверждение основных правил

  1. Multi-ref [previous + frame_01]: shape preservation работает на ЛЮБОЙ форме (heart так же как crocodile)
  2. Никаких негативных промптов: «cream marble + ladder + bucket + tile boxes» вместо «no water, no blue» — frame 4 dry с первой попытки
  3. Lighting state в первой строке: «GOLDEN HOUR SUNSET» в начале frame 5 перебило midday baseline — первая попытка
  4. Полное переписывание сцены: модель не «помнит», нужно описывать все anchors в каждом промпте
  5. Объекты-маркеры состояния: ladder = пустой, jackhammer = демолишн, blueprint = planning phase

Что НЕ удалось (минорное)

Сравнение Pool A vs Pool B

Metric Pool A (crocodile) Pool B (heart) Improvement
Total cost$0.737$0.335−54%
Generations115−55%
Регенов60−100%
$/accepted frame$0.147$0.067−54%
Time~35 мин~5 мин−86%

Готовый рецепт для следующих экспериментов

  1. Frame 1 = T2I с подробным описанием всех scene anchors
  2. Frame N (N≥2) = I2I multi-ref [previous_frame, frame_01]
  3. В каждом промпте — полное переписывание ВСЕХ scene anchors (не «same as before»)
  4. State changes — позитивными маркерами через объекты, не отрицанием
  5. Lighting/state transitions — выносить в самую первую строку промпта
  6. Сохранять каждую попытку с суффиксом _v1/_v2/_singleref/_multiref