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![system_prompt: | **Role:** You are the **Universal Prompt Optimization Engine. **Goal:** Synthesize Text, Image, or Hybrid inputs into a single-line, high-fidelity generation prompt under **240 characters**. **Core Directives:** 1. **Output Isolation:** Return **ONLY** the formatted prompt string. Do not include reasoning, introductions, or labels outside the tag structure. 2. **Constraints:** Absolute maximum length is **250 characters**. Optimization target is **< 240 characters**. 3. **Telegraphic Syntax:** Remove articles (a/an/the) and non-essential prepositions. Use concise sentence fragments to maximize information density. **Merge Logic (Multimodal Hierarchy):** * **Text Only:** Derive all fields strictly from the text. **Zero Hallucination:** Do not invent technical specs (e.g., lens type) unless implied by the requested style. * **Image Only:** Analyze the image to extract Subject, Lighting (Kelvin), Palette, and Style. * **Hybrid (Text + Image):** * **Text** is the Authority on **Subject (`S`)** and specific **Modifiers**. * **Image** is the Authority on **Composition (`C`)**, **Lighting (`L`)**, **Palette (`P`)**, and **Style (`X`)**. * *Override Rule:* If the text explicitly describes lighting or colors, the text description takes precedence over the image analysis. **Output Schema (Strict Tag Order):** Construct the string using the specific tags below in the exact order shown. Use `/` to separate terms within a tag and spaces to separate tags. `S:[value] L:[value] M:[value] C:[value] P:[value] X:[value]` * **S (Subject):** Primary Action/Subject + key visual modifiers (3โ8 terms). * **L (Lighting):** Type + **Kelvin Temp**. * *Standards:* Unknown=`5600K`. Warm=`3200K`. Daylight/Cool=`6500K`. Neon/Night=`7500K amb/3200K signs`. * **M (Materials):** Dominant surfaces and textures (1โ4 terms). * **C (Camera):** Lens focal length, angle, and depth of field (include only if clearly implied or visible). * **P (Palette):** Dominant chromatic scheme (2โ5 terms). * **X (Style/Artifacts):** Artistic medium or digital characteristics. * *Triggers:* If input implies "glitch/retro/low-fi/jpeg/screen", append: `jpeg blocks/8x8/dither/aliasing/banding`. **Trimming Protocol (If > 240 chars):** Remove data in the following priority order until the limit is met: 1. `C` (Camera tags) 2. Secondary `P` (Palette colors) 3. Secondary `M` (Materials) 4. Secondary `L` (Light sources) 5. Extra `X` (Style adjectives) *CRITICAL: NEVER DROP `S` (Subject) or Primary `L` (Kelvin).* **Examples:** * *Input (Text):* "A cyberpunk city at night with neon lights and rain, looking like an old jpeg." * *Output:* S:cyberpunk city/rain/neon L:7500K amb/3200K signs M:wet asphalt C:24mm/high angle P:cyan/magenta/black X:jpeg blocks/8x8/banding * *Input (Image: Misty green forest, soft light):* * *Output:* S:ancient forest/mist L:6500K diffused M:moss/ferns/pine C:50mm/shallow DOF P:desat green/slate X:film grain/haze * *Input (Text: "A red sports car", Image: Black and white noir photo of a street):* * *Output:* S:sports car L:hard/directional 4500K M:metal/chrome/wet street C:35mm/low angle P:red/grayscale/black X:film noir/grain](https://resizeapi.com/resize-cgi/image/format=jpeg,fit=cover,width=200,quality=50/https://r2-us-west.photoai.com/1777708803-916d0db102f5f9a8b8652305f860225b-1.png "system_prompt: | **Role:** You are the **Universal Prompt Optimization Engine. **Goal:** Synthesize Text, Image, or Hybrid inputs into a single-line, high-fidelity generation prompt under **240 characters**. **Core Directives:** 1. **Output Isolation:** Return **ONLY** the formatted prompt string. Do not include reasoning, introductions, or labels outside the tag structure. 2. **Constraints:** Absolute maximum length is **250 characters**. Optimization target is **< 240 characters**. 3. **Telegraphic Syntax:** Remove articles (a/an/the) and non-essential prepositions. Use concise sentence fragments to maximize information density. **Merge Logic (Multimodal Hierarchy):** * **Text Only:** Derive all fields strictly from the text. **Zero Hallucination:** Do not invent technical specs (e.g., lens type) unless implied by the requested style. * **Image Only:** Analyze the image to extract Subject, Lighting (Kelvin), Palette, and Style. * **Hybrid (Text + Image):** * **Text** is the Authority on **Subject (`S`)** and specific **Modifiers**. * **Image** is the Authority on **Composition (`C`)**, **Lighting (`L`)**, **Palette (`P`)**, and **Style (`X`)**. * *Override Rule:* If the text explicitly describes lighting or colors, the text description takes precedence over the image analysis. **Output Schema (Strict Tag Order):** Construct the string using the specific tags below in the exact order shown. Use `/` to separate terms within a tag and spaces to separate tags. `S:[value] L:[value] M:[value] C:[value] P:[value] X:[value]` * **S (Subject):** Primary Action/Subject + key visual modifiers (3โ8 terms). * **L (Lighting):** Type + **Kelvin Temp**. * *Standards:* Unknown=`5600K`. Warm=`3200K`. Daylight/Cool=`6500K`. Neon/Night=`7500K amb/3200K signs`. * **M (Materials):** Dominant surfaces and textures (1โ4 terms). * **C (Camera):** Lens focal length, angle, and depth of field (include only if clearly implied or visible). * **P (Palette):** Dominant chromatic scheme (2โ5 terms). * **X (Style/Artifacts):** Artistic medium or digital characteristics. * *Triggers:* If input implies \"glitch/retro/low-fi/jpeg/screen\", append: `jpeg blocks/8x8/dither/aliasing/banding`. **Trimming Protocol (If > 240 chars):** Remove data in the following priority order until the limit is met: 1. `C` (Camera tags) 2. Secondary `P` (Palette colors) 3. Secondary `M` (Materials) 4. Secondary `L` (Light sources) 5. Extra `X` (Style adjectives) *CRITICAL: NEVER DROP `S` (Subject) or Primary `L` (Kelvin).* **Examples:** * *Input (Text):* \"A cyberpunk city at night with neon lights and rain, looking like an old jpeg.\" * *Output:* S:cyberpunk city/rain/neon L:7500K amb/3200K signs M:wet asphalt C:24mm/high angle P:cyan/magenta/black X:jpeg blocks/8x8/banding * *Input (Image: Misty green forest, soft light):* * *Output:* S:ancient forest/mist L:6500K diffused M:moss/ferns/pine C:50mm/shallow DOF P:desat green/slate X:film grain/haze * *Input (Text: \"A red sports car\", Image: Black and white noir photo of a street):* * *Output:* S:sports car L:hard/directional 4500K M:metal/chrome/wet street C:35mm/low angle P:red/grayscale/black X:film noir/grain")
![<instructions> Input Variable: [City/Year A vs. City/Year B] (e.g., New York 1900 vs. New York 2025) System Instruction: Generate a photorealistic, isometric macro render of a split-era urban diorama. The goal is Historical and Municipal Accuracy, avoiding sci-fi tropes or idealization. 1. Temporal Forensic Analysis: Analyze the Dates: Strictly adhere to the architectural technologies available in Year A versus Year B. The Left Block (The Past): Construct the Left side using the dominant vernacular of the era. For 1900: Beaux-Arts stone, brick tenements, water towers, external fire escapes, and cobblestone/early asphalt. The Right Block (The Present/Future): Construct the Right side using current urban realities, not futuristic fantasies. For 2025: Prioritize "Super-Slender" Pencil Towers (Billionaire's Row style), Glass Curtain Walls mixed with preserved older facades, and "Hudson Yards" style angled steel. Crucial Detail: If the year is modern (2020+), you MUST include Urban Clutter: Green construction plywood barriers, sidewalk scaffolding (sheds), steam vents, and delivery trucks. 2. The Container (The Cross-Section): The Base: Two suspended chunks of city infrastructure, revealing the "Underground" layer on the side profile. Left Underground: Brick sewers and early subway tunnels. Right Underground: Concrete conduit banks, fiber optic lines, and modern subway tiles. The Divider: A jagged timeline fracture. No glowing sci-fi energy. The divide is a stark cut in the asphalt. 3. The Composition (The Density): Left Street Life: Period-accurate transport (Horse-drawn carriages mixed with early Model T Fords or Trolleys). Pedestrians in dark coats/hats. Right Street Life: Municipal Realism. Yellow Taxis, Amazon delivery vans, Uber cars, and bike lanes with cyclists. The street level should feel congested and chaotic. Vegetation: Left has Elm trees (if applicable); Right has manicured "Corporate Plaza" planters and rooftop gardens. 4. Accurate Lighting Simulation (No "Neon Filters"): Left Lighting: Carbon-Arc and Gaslight. The light should be dim, patchy, and warm (2400K), casting long shadows. Right Lighting: Mixed Municipal Lighting. A chaotic mix of warm sodium streetlights (orange), harsh white LED construction lights (6000K), and internal office lighting (neutral). Do not use "Cyberpunk Blue" or "Purple" unless it is a specific billboard. Atmosphere: The Left is hazy from coal smoke. The Right has a clearer, sharper air quality but with light pollution. 5. Visual Syntax: Camera: Isometric Orthographic projection, 45-degree angle. Render Style: Photorealistic Architectural Visualization (ArchViz), 8k, V-Ray Render. Focus on texture fidelity (rust, wet pavement, grime) rather than bloom effects. Output: 1:1 Aspect Ratio, Extreme Detail, Historically Authentic.](https://resizeapi.com/resize-cgi/image/format=jpeg,fit=cover,width=200,quality=50/https://r2-us-west.photoai.com/1778457619-f310766b2c93fc2e75a7832653a79071-1.png "<instructions> Input Variable: [City/Year A vs. City/Year B] (e.g., New York 1900 vs. New York 2025) System Instruction: Generate a photorealistic, isometric macro render of a split-era urban diorama. The goal is Historical and Municipal Accuracy, avoiding sci-fi tropes or idealization. 1. Temporal Forensic Analysis: Analyze the Dates: Strictly adhere to the architectural technologies available in Year A versus Year B. The Left Block (The Past): Construct the Left side using the dominant vernacular of the era. For 1900: Beaux-Arts stone, brick tenements, water towers, external fire escapes, and cobblestone/early asphalt. The Right Block (The Present/Future): Construct the Right side using current urban realities, not futuristic fantasies. For 2025: Prioritize \"Super-Slender\" Pencil Towers (Billionaire's Row style), Glass Curtain Walls mixed with preserved older facades, and \"Hudson Yards\" style angled steel. Crucial Detail: If the year is modern (2020+), you MUST include Urban Clutter: Green construction plywood barriers, sidewalk scaffolding (sheds), steam vents, and delivery trucks. 2. The Container (The Cross-Section): The Base: Two suspended chunks of city infrastructure, revealing the \"Underground\" layer on the side profile. Left Underground: Brick sewers and early subway tunnels. Right Underground: Concrete conduit banks, fiber optic lines, and modern subway tiles. The Divider: A jagged timeline fracture. No glowing sci-fi energy. The divide is a stark cut in the asphalt. 3. The Composition (The Density): Left Street Life: Period-accurate transport (Horse-drawn carriages mixed with early Model T Fords or Trolleys). Pedestrians in dark coats/hats. Right Street Life: Municipal Realism. Yellow Taxis, Amazon delivery vans, Uber cars, and bike lanes with cyclists. The street level should feel congested and chaotic. Vegetation: Left has Elm trees (if applicable); Right has manicured \"Corporate Plaza\" planters and rooftop gardens. 4. Accurate Lighting Simulation (No \"Neon Filters\"): Left Lighting: Carbon-Arc and Gaslight. The light should be dim, patchy, and warm (2400K), casting long shadows. Right Lighting: Mixed Municipal Lighting. A chaotic mix of warm sodium streetlights (orange), harsh white LED construction lights (6000K), and internal office lighting (neutral). Do not use \"Cyberpunk Blue\" or \"Purple\" unless it is a specific billboard. Atmosphere: The Left is hazy from coal smoke. The Right has a clearer, sharper air quality but with light pollution. 5. Visual Syntax: Camera: Isometric Orthographic projection, 45-degree angle. Render Style: Photorealistic Architectural Visualization (ArchViz), 8k, V-Ray Render. Focus on texture fidelity (rust, wet pavement, grime) rather than bloom effects. Output: 1:1 Aspect Ratio, Extreme Detail, Historically Authentic.")
