Record all viewer settings and parameters in a compact JSON file or similar:

[ksjogo]

o	Light position, zoom, and pan
o	Rendering mode (e.g., default, specular enhancement, diffuse gain, normals)
o	Other parameters (e.g., color, specularity, gain)
o	Drawings and annotations
o	User information (user ID)
o	Metadata (copyright, etc.)
o	Import/export settings, parameters, drawing and annotation content