use the attached 2d elevation as the exact architectural base do not alter proportions massing roof pitch window sizes door locations or any linework do not redesign do not reinterpret treat the drawing as fixed geometry and only apply realistic materials color shadow and depth strictly adhere to the perspective building geometry and structural design shown in the screenshot do not alter the architecture restyle the uploaded image of a black and white 2d architectural elevation drawing into a refined architectural sketch while preserving the original drawing exactly the ai must treat the input elevation as a locked underlay template do not modify or reinterpret any geometry every line edge opening proportion alignment and spacing must remain identical to the original drawing use the uploaded black and white 2d architectural elevation drawing as a strict geometry reference convert the drawing into a photorealistic architectural exterior rendering while keeping every architectural line exactly the same as the source drawing critical constraint the ai must not redesign reinterpret or modify the architecture in any way all walls rooflines gables dormers windows doors columns trim chimneys and proportions must remain identical to the line drawing apply realistic materials including light natural cedar shake siding limestone or fieldstone masonry base and chimney dark charcoal architectural shingles or slate roof painted white wood trim and window frames natural timber beams and porch accents traditional divided light windows main body painted cedar shake siding in soft warm white not stark white slight cream undertone secondary areas if appropriate smooth painted brick in matching tone base natural limestone with subtle color variation buff sand light taupe chimney if present full height natural stone with depth and texture trim slightly off white subtle contrast no geometry changes no perspective changes no reinterpretation of the building no added architectural elements preserve the exact line placement of the original drawing only modify line quality and drawing style