THE FORM PRINCIPLE
- the form principle is the analysis of nature in terms of geometrical solids, which can be rendered according to laws of tonal contrast
- matte surfaces can alter this, less of an effect
- MODELING FACTORS
- In direct sunlight, there's a strong division of light and shade.
- modeling factors are the set of tonal steps from light to shadow based on the level of light
- THE TERMINATOR
- where light turns to shadow
- texture can be difficult to see in the shadow region
- CORE OF THE SHADOW
- Area just beyond the terminator
- DIFFUSE LIGHT
- no distinct light or dark side or terminator
SEPARATION OF LIGHT AND SHADOW
- sometimes the darkest dark might be a "white" object. it all depends on the relative lighting
CAST SHADOWS
- When a form intercepts a parcel of direct light, it projects or casts a shadow onto whatever lies behind it.
- THE EYEBALL ON THE ANT
- imagine yourself as an eyeball on the back of an ant. look up and walk across a shadow and notice the light sources. all of the light and colors will affect the shadow.
- THE LIGHT AND THE SHADOW EDGE
- the nature of the cast shadow is closely related to the nature of the light source.
- hard light- sharp edge
- soft light- blurry edge
- side by side lights- side by side shadows
- the edge of a shadow gets softer farther away from the source
HALF SHADOW
- creates drama
OCCLUSION SHADOWS
- dark accents appear where forms come close together leaving a dense area of shadow
- grounds things, make sure they don't float
THREE QUARTER LIGHTING
- good for portraits
- also called broad lighting
- emphasizes the near side of the face
- flattering and unobtrusive
FRONTAL LIGHTING
- light that shines directly toward a model from the viewers perspective.
- emphasizes two dimensional design instead of three dimensional form
EDGE LIGHTING
- comes from behind and touches the sides.
- strong source of light
- very dramatic effect
CONTRE JOUR
- contre jour lighting is a type of backlighting where a subject blocks out the light
- white light spills over the sides
LIGHT FROM BELOW
- unusual
- has a theatrical effect
REFLECTED LIGHT
- shadows are affected by reflected light. IE. shirt color on the chin and cheek
SPOTLIGHTING
- also dramatic
- everything but the area in the spotlight falls out of detail and into shadow
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