天空变但建筑不变

提示词

仅替换指定天空区域，选用与原场景光向和曝光协调的天空；建筑、道路和植被的内容、光照与材质保持原样，边缘衔接自然。

Replace only the designated sky area with a sky compatible with the scene’s existing light direction and exposure; keep the content, lighting, and materials of the building, roads, and planting unchanged, with natural edge transitions.