马克笔手绘物理环境分析图：小学教学楼

物理环境分析图，日照与自然通风，主体为小学教学楼，剖透视与轴测结合，马克笔手绘风格，松弛的笔触，建筑设计草图质感，清冷蓝灰配色，浅灰蓝到深海军蓝，太阳轨迹弧线，蓝色风向流线穿过建筑，地面阴影投影，冷暖温度色带，构图简洁，信息层级清晰，大量留白，画面中不出现文字和标注，高清，适合设计展板

environmental analysis diagram showing sun path and natural ventilation of a primary school teaching building, combined sectional and axonometric view, architectural marker rendering, loose marker strokes, design sketch quality, cool blue-grey palette from pale grey blue to deep navy, sun path arcs, blue wind flow lines passing through the building, cast shadows on the ground, warm-to-cool temperature gradient, clean composition, clear visual hierarchy, generous white space, no text or labels in the image, high resolution, architecture presentation board