photorealistic high end architectural visualization of an existing building absolute constraint the architecture must remain strictly identical to the input image no modification of geometry structure proportions or design preserve all architectural elements exactly windows balconies railings facade layout no reinterpretation no redesign no added or removed elements structure lock perfect match to original image composition camera angle framing and perspective must remain unchanged pixel accurate architectural fidelity controlled modification targeted only the central building facade must be modified apply a clean uniform white finish to the central facade only smooth painted or plastered white surface perfectly even no texture noise no stains no color variation keep all window frames borders and structural outlines in their original light grey color do not repaint or alter frames railings or openings do not affect adjacent buildings in any way ultra realistic render quality high end architectural visualization archviz studio quality physically based rendering pbr materials ultra detailed surfaces with subtle micro variation sharp details with realistic material response accurate reflections on glass and surfaces controlled subtle imperfections for realism lighting premium spring look warm natural sunlight soft golden tone spring atmosphere fresh and slightly vibrant colors soft global illumination and realistic bounce light balanced contrast soft shadows clean blue sky with subtle gradient environment keep all surroundings identical street cars vegetation improve only realism of shadows reflections and lighting no added or removed objects render style ultra photorealistic architectural competition quality clean modern aesthetic hdr lighting 4k 8k level detail camera eye level architectural photography 35mm lens no distortion negative prompt no redesign no geometry change no new architecture no color change outside central facade no modification of window frames must stay light grey no stylization no artistic interpretation no blur no noise no low detail window frames must remain light grey untouched original color preserved exactly
