Basics

History
Introduction

ERCO Quantitative lighting design

Quantitative lighting design

ERCO Qualitative lighting design

Qualitative lighting design

ERCO Perception-orientated lighting design

Perception-
orientated lighting design

ERCO Richard Kelly

ERCO William Lam

Seeing and perception
Introduction

ERCO Physiology of the eye

Physiology of the eye

ERCO Optical system

ERCO Receptors

ERCO Adaptation

ERCO Psychology of seeing

Psychology of seeing

ERCO Contour

ERCO Overall shape

ERCO Colour

ERCO Constancy

ERCO Brightness

ERCO Luminance gradient

Luminance gradient

ERCO Three-dimensionality

Three-dimensionality

ERCO Wall structure

ERCO Beam of Light

ERCO Perception of colour

Perception of colour

ERCO Perspective

ERCO Size

ERCO Perception of gestalt

Perception of gestalt

ERCO Closed form

ERCO Proximity

ERCO Inside

ERCO Symmetry

ERCO Shapes of equal width

Shapes of equal width

ERCO Continuous line

Continuous line

ERCO Pure form

ERCO Identity

ERCO Objects of perception

Objects of perception

ERCO Activity

ERCO Information

ULLE

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