render a high quality photorealistic exterior 3d view directly from the provided revit model absolute requirement preserve all existing architecture materials finishes colors and material boundaries exactly as modeled in revit no reinterpretation substitution enhancement or redesign of materials is permitted stone veneer lower portion must remain smooth honed travertine flat planar stone units clean recessed reveals shadow joints exactly as modeled no stacked stone no ledgestone no rough texture no limestone substitution brick veneer above stone must remain brick veneer exactly as modeled maintain uniform brick size coursing and color maintain standard mortar joints no exaggerated rakes no deep shadow joints do not reinterpret brick as stone concrete block textured masonry or oversized masonry units no color shifts no modernized brick no pattern changes do not modify the transition between stone and brick the horizontal relationship alignment and coursing must remain unchanged enhance realism only through lighting accuracy subtle surface shading and texture resolution not by altering material appearance scale pattern or joint expression add minimal landscaping only lawn low shrubs grasses sparse background trees landscaping must not obscure frame or visually compete with the stone or brick veneers lighting neutral daylight balanced exposure soft shadows that clearly show masonry joints and transitions
