Appendix I

PRELIMINARY INFORMATION

1. Dimensions of regions (assessed by scanning)

All very small

All medium size

All large

Small and medium

Small and large

Small, medium and large.

2. General division of the Pictorial Plane

a) Horizontally (from left to right):

b) Vertically (from top to bottom):

c) Cruciform:

Shifted cruciform

Implicit checkerboard

Explicit checkerboard

Concentric circularity

3. Sources of lighting in the Pictorial Plane

Pure chromatic luminosity

Light reflected from a painted object

Light reflected by many painted objects

Light produced by an object external to the painting

Various light effects produced by objects external to the painting

Presence of cast shadows

Chiaroscuro (from clear to dark in certain masses)

4. Grid analysis of types of vision solicited