# Japanese Garden artwork

Created with the built-in imagegen tool. This is an artistic aquarium interpretation of a Japanese garden, with koi-inspired colour varieties rather than a koi-care simulation.

Final assets in `src/main/immutable/app/fishtank/`:

- `garden-fish-atlas.png`: six opaque-bodied koi illustrations, 3840 × 2048, with 64-pixel transparent gutters.
- `garden-decor-atlas.png`: three plants and three maple leaves, 1920 × 2048, with 64-pixel transparent gutters.
- `garden-stone-path.jpg` and `garden-moss-islands.jpg`: 3840 × 2160 JPEG backgrounds, assembled from four overlapping generated detail sections each. Original background plates were cropped to exclude the water surface before the detail sections were generated. This is a composite enlargement, not native 4K from a single generation.

Fish and planting use mesh animation; nine leaves follow bounded, repeating drift paths. No added runtime filters, bloom passes, dependencies or per-frame texture uploads. Foreground roots shift on scenery changes using the existing OLED movement system.

## Exact final generation prompts

### garden-kohaku

Photorealistic premium aquarium FISH SPRITE. One single koi carp, STRICT SIDE PROFILE facing RIGHT, horizontal body, nose at RIGHT, tail at LEFT. Full animal with every fin tip fully inside frame and 10% transparent empty margin on all four sides. Highest resolution landscape 1536x1024 PNG, REAL TRANSPARENT alpha background, no painted checkerboard, no solid black or white background. OPAQUE physical fish body and scales, realistic semi-transparent thin fin membranes. Soft neutral daylight from upper left, highly detailed individual scales, anatomically plausible koi carp body, two small barbels at the mouth, graceful naturally fanned fins, tail extended LEFT, no extreme perspective or bending, no other fish, no plants, no text, no glow. Luxury aquarium photography, peaceful elegant proportions, beautiful fine surface detail. Pearl white koi with three large rich vermilion patches along the upper body, clean white fins.

### garden-sanke

Photorealistic premium aquarium FISH SPRITE. One single koi carp, STRICT SIDE PROFILE facing RIGHT, horizontal body, nose at RIGHT, tail at LEFT. Full animal with every fin tip fully inside frame and 10% transparent empty margin on all four sides. Highest resolution landscape 1536x1024 PNG, REAL TRANSPARENT alpha background, no painted checkerboard, no solid black or white background. OPAQUE physical fish body and scales, realistic semi-transparent thin fin membranes. Soft neutral daylight from upper left, highly detailed individual scales, anatomically plausible koi carp body, two small barbels at the mouth, graceful naturally fanned fins, tail extended LEFT, no extreme perspective or bending, no other fish, no plants, no text, no glow. Luxury aquarium photography, peaceful elegant proportions, beautiful fine surface detail. White koi with elegant red saddle markings and smaller jet-black patches along the flanks, white fins with a few black rays.

### garden-showa

Photorealistic premium aquarium FISH SPRITE. One single koi carp, STRICT SIDE PROFILE facing RIGHT, horizontal body, nose at RIGHT, tail at LEFT. Full animal with every fin tip fully inside frame and 10% transparent empty margin on all four sides. Highest resolution landscape 1536x1024 PNG, REAL TRANSPARENT alpha background, no painted checkerboard, no solid black or white background. OPAQUE physical fish body and scales, realistic semi-transparent thin fin membranes. Soft neutral daylight from upper left, highly detailed individual scales, anatomically plausible koi carp body, two small barbels at the mouth, graceful naturally fanned fins, tail extended LEFT, no extreme perspective or bending, no other fish, no plants, no text, no glow. Luxury aquarium photography, peaceful elegant proportions, beautiful fine surface detail. Charcoal black koi with ivory and deep red markings, dark pectoral fin bases, subtle blue-grey sheen on black scales.

### garden-gold

Photorealistic premium aquarium FISH SPRITE. One single koi carp, STRICT SIDE PROFILE facing RIGHT, horizontal body, nose at RIGHT, tail at LEFT. Full animal with every fin tip fully inside frame and 10% transparent empty margin on all four sides. Highest resolution landscape 1536x1024 PNG, REAL TRANSPARENT alpha background, no painted checkerboard, no solid black or white background. OPAQUE physical fish body and scales, realistic semi-transparent thin fin membranes. Soft neutral daylight from upper left, highly detailed individual scales, anatomically plausible koi carp body, two small barbels at the mouth, graceful naturally fanned fins, tail extended LEFT, no extreme perspective or bending, no other fish, no plants, no text, no glow. Luxury aquarium photography, peaceful elegant proportions, beautiful fine surface detail. Warm metallic champagne gold koi, fine regular gold scales, softly lustrous golden fins; realistic fish not a metal statue.

### garden-butterfly

Photorealistic premium aquarium FISH SPRITE. One single koi carp, STRICT SIDE PROFILE facing RIGHT, horizontal body, nose at RIGHT, tail at LEFT. Full animal with every fin tip fully inside frame and 10% transparent empty margin on all four sides. Highest resolution landscape 1536x1024 PNG, REAL TRANSPARENT alpha background, no painted checkerboard, no solid black or white background. OPAQUE physical fish body and scales, realistic semi-transparent thin fin membranes. Soft neutral daylight from upper left, highly detailed individual scales, anatomically plausible koi carp body, two small barbels at the mouth, graceful naturally fanned fins, tail extended LEFT, no extreme perspective or bending, no other fish, no plants, no text, no glow. Luxury aquarium photography, peaceful elegant proportions, beautiful fine surface detail. Elegant platinum white butterfly koi with extra-long silk-like flowing tail and pectoral fins, faint pearlescent silver highlights.

### garden-tancho

Photorealistic premium aquarium FISH SPRITE. One single koi carp, STRICT SIDE PROFILE facing RIGHT, horizontal body, nose at RIGHT, tail at LEFT. Full animal with every fin tip fully inside frame and 10% transparent empty margin on all four sides. Highest resolution landscape 1536x1024 PNG, REAL TRANSPARENT alpha background, no painted checkerboard, no solid black or white background. OPAQUE physical fish body and scales, realistic semi-transparent thin fin membranes. Soft neutral daylight from upper left, highly detailed individual scales, anatomically plausible koi carp body, two small barbels at the mouth, graceful naturally fanned fins, tail extended LEFT, no extreme perspective or bending, no other fish, no plants, no text, no glow. Luxury aquarium photography, peaceful elegant proportions, beautiful fine surface detail. Pure white koi with a distinct single round red marking centered on top of the forehead, no other red markings, pale silver-white fins.

### garden-stone-path

Photorealistic high-end Japanese garden inspired AQUARIUM background plate, maximum resolution 3840x2160 wide 16:9. Straight-on camera through front glass at fish eye level, completely submerged planted display tank. NO FISH OR ANIMALS, no floating leaves (these are added as animation later). Pale warm ivory fine gravel across the lowest 12 percent of frame, level gravel line around y=88% across the whole width. Moss-covered smooth grey stones arranged carefully on this gravel, restrained elegant fine-leaved aquarium planting at the lower left and right corners; these stone/plant islands occupy only bottom quarter of image, with most center and upper water open and empty for swimming fish. Soft diffuse daylight, subtle creamy sage-green water backdrop, clear water, refined tranquil minimal composition, realistic aquarium materials with very fine detailed gravel and moss. Not a landscape: no terrestrial trees, sky, pond surface, waterline, horizon, aquarium frame or room, NO visible borders, no architectural ornaments, no writing. Contemporary nature aquarium inspired by Japanese gardens, gentle asymmetric arrangement and negative space. Composition: five rounded slate-grey moss cushions, largest stone cluster in lower left, two lower stones at right, pale winding strip of fine gravel between islands. Soft green vertical ribbon plants at outer corners; warm pearl daylight.

### garden-moss-islands

Photorealistic high-end Japanese garden inspired AQUARIUM background plate, maximum resolution 3840x2160 wide 16:9. Straight-on camera through front glass at fish eye level, completely submerged planted display tank. NO FISH OR ANIMALS, no floating leaves (these are added as animation later). Pale warm ivory fine gravel across the lowest 12 percent of frame, level gravel line around y=88% across the whole width. Moss-covered smooth grey stones arranged carefully on this gravel, restrained elegant fine-leaved aquarium planting at the lower left and right corners; these stone/plant islands occupy only bottom quarter of image, with most center and upper water open and empty for swimming fish. Soft diffuse daylight, subtle creamy sage-green water backdrop, clear water, refined tranquil minimal composition, realistic aquarium materials with very fine detailed gravel and moss. Not a landscape: no terrestrial trees, sky, pond surface, waterline, horizon, aquarium frame or room, NO visible borders, no architectural ornaments, no writing. Contemporary nature aquarium inspired by Japanese gardens, gentle asymmetric arrangement and negative space. Composition: a low trio of dark grey rounded mossy boulders in lower right, a smaller single mossy stone at lower left, delicate miniature fern planting behind and beside the stones, pale ivory gravel center; cool soft silvery morning daylight.

### garden-leaf-atlas

Photorealistic transparent PNG sprite sheet, 1536x1024 landscape highest resolution. THREE isolated tiny fallen Japanese maple leaves arranged in a horizontal row with 100px empty margins and wide gaps, REAL TRANSPARENT alpha. Each leaf full face angled slightly, individually visible stem, elegant five to seven pointed lobes and detailed fine veins. Left leaf fresh muted jade green, center leaf soft golden amber, right leaf muted russet red. Soft daylight, realistic leaf thickness, slight natural curl, entire leaf each completely contained within own third of sheet. No branches, no tree, no water or shadows outside leaves, no text, no checkerboard, no background. These are image assets for gently drifting leaves in an aquarium animation.

### garden-grass

Photorealistic isolated aquatic ribbon grass clump on REAL TRANSPARENT PNG alpha, portrait 1024x1536 highest resolution. Entire plant fully contained within central 70% of image width and central 75% of height. At least 120 pixels completely empty alpha margin at every edge. All leaf tips MUST end visibly in empty space, none cut off. Delicate elegant sage-green narrow leaves curving upward from a small tight mossy root, no long sprawling leaf to left. Soft neutral daylight, realistic fine veins, Japanese nature aquarium foreground plant, exquisite photographic texture. No rocks, gravel, fish, pots, text, shadows, background or checkerboard.

### garden-fern

Photorealistic isolated aquarium plant on REAL TRANSPARENT PNG alpha, 1536x1024 landscape highest resolution. a single small elegant miniature aquatic fern clump with many slender arching divided fronds and a small mossy root. Entire plant fully contained in central 65% of width and 70% of height. Very wide fully transparent margins at every edge, every leaf tip entirely visible with empty space beyond it. Soft neutral daylight, delicate fine texture for a Japanese nature aquarium, no pots, no rocks, no gravel, no fish, no other plants, no text, no shadow or backdrop, no checkerboard.

### garden-moss

Photorealistic isolated aquarium plant on REAL TRANSPARENT PNG alpha, 1536x1024 landscape highest resolution. a single low oval cushion of lush velvety emerald aquarium moss with a few tiny round-leaved stems. Entire plant fully contained in central 65% of width and 70% of height. Very wide fully transparent margins at every edge, every leaf tip entirely visible with empty space beyond it. Soft neutral daylight, delicate fine texture for a Japanese nature aquarium, no pots, no rocks, no gravel, no fish, no other plants, no text, no shadow or backdrop, no checkerboard.

## Detail-section prompt

Applied to each of four overlapping crops from both background plates:

Enhance this exact image crop into a sharply detailed high-resolution aquarium background section, output highest resolution widescreen 16:9 3840x2160 if possible. Preserve EXACT camera, framing, scale, positions and shapes of ALL existing rocks, gravel and plants. Do not zoom, pan, crop, move or add objects. Refine tiny moss fronds, leaf veins, stone pores and separate gravel grains with photographic microdetail. Keep empty water empty and softly smooth with EXACT same sage-green colors and lighting. Do not introduce a water surface, reflections, fish, bubbles, objects, typography or border. This is one overlapping tile of a larger image; matching ALL edges and landmarks is critical.

