A planner for shading and sunlight windows. Combine building, fence, and tree height/positions to estimate shadow ranges across seasons and choose the best placement spots.

✨ Features
🗺️ Shadow simulation: By time and season
📍 Placement: Find optimal spots and walkway shading
📊 Export: Generate reference diagrams and explanations

📖 How to Use
1) Enter obstacle types and height/position parameters
2) Choose date/time ranges to view shadows
3) Adjust placement and layout to optimize light

🔎 Tips

  • Summer: stronger shade; Winter: longer sunlight. Mind seasonal differences.