Time input mode active.

• Click/single-touch: Change current date.
• Two-touch pinch: Change daytime.
• Scrollwheel: adjust daytime.

A demonstration of using GPU shadow mapping for sun exposure simulation.
Background (PDF)

• One finger, drag: Rotate Model
• Two fingers, pinch: Zoom (move closer)
• Two fingers, rotate finger B around still finger A: Change daytime!

Time Mode (Date-Time button pressed)

• One finger, drag: Change date and time, axis A: month, axis B: day - Note: Dates limited to Year 2017!
• Two fingers, pinch: Change daytime

• H: activate heatmap accumulation
• Numpad +/-: Move sun position forward/backward
• Mouse Scrollwheel: Zoom in and out
• G: Toggle grid display
• S: Toggle shadow handling onto model.
• 3: Switch sun display mode: None, light source view, sun
• Numpad 0: Switch model display modes: Photogrammetry Color, Heatmap Content, Texture Coordinates, Shadowing/Sun Visibility
• Numpad 1: Move triangle vertex display coordinates towards texture domain
• Numpad 2: Move triangle vertex display coordinates towards view domain

Scrollwheel: Zoom Daytime Date

Sun: No display View from Sun Light Plane Model: Photogrammetry Sun Shadow Heatmap Texture Coordinates