exterior shot hard constraints must be strictly respected maintain exact camera position perspective focal length framing and proportions of the base image do not alter the geometry volumes dimensions or layout of the building space no additions or removals of architectural elements preserve all openings walls roofs slabs and structural elements exactly as shown the base image defines the spatial truth of the scene rendering goals upgrade the image to a fully photorealistic render replace flat or schematic materials with realistic architectural materials plasters and concrete for ground floor walls metal cladding for first floor walls glass for all windows grass etc apply physically correct textures reflections roughness and imperfections subtle realistic improve global illumination ambient occlusion and realistic light behavior lighting use natural realistic lighting consistent with the scene orientation soft daylight balanced exposure no dramatic or cinematic lighting unless explicitly required realistic shadows no over contrast or artificial highlights context environment add coherent architectural context sky greenery ground surroundings only if missing or schematic context must remain secondary and not compete with the building vegetation should be realistic slightly irregular and not over designed style restrictions no stylization no artistic reinterpretation no exaggeration of forms colors or atmosphere no wide angle distortion unless already present the result must look like a professional architectural visualization suitable for a real client output requirements ultra high resolution clean professional realistic suitable for architectural presentation real estate or client approval
