Method of Hanging Figures on the Horizon:
Varieties of Camera Angles:
Relationship of Camera (Horizon Level) to Background Design:
Comparison of Linear Perspective with Curvilinear Perspective:Examples of Curvilinear (Fisheye) Perspective utilizing the 4pt Grid. The last two examples suggest how the 4pt grid can be used to create up and down shots:
Plotting Cast Shadows: Comparison of Sun Light and Local Light
Sunlight Perpendicular to Line of Sight: