Tuesday, November 29, 2011

Visual Rhetoric.


-         Colour Theory:
o   A circular diagram in which primary and usually intermediate colours are arranged sequently so that related colours are next to each other and complementary colours are opposite.
o   Mixing primary, secondary and tertiary colours with each other and the involvement of light in their ultimate reflection on the human eye.
o   A body of particular guidance to colour mixing and the visual impacts of specific colour combination.
-         Perspective:
o   A picture drawn in such a way, esp. one appearing to enlarge or extend the actual space, or to give the effect of distance.
o   The relationship of aspects of a subject to each other and the whole.
o   A technique of depicting volumes and spatial relationships on a flat surface.
-         Contrast:
o   The state of being strictly different from something else (black/white) .
o   Opposition of different forms, lines or colours in a work.
o   To set in opposition in order to show or emphasize differences.
-         Hierarchy:
o   Any system of persons or things ranked one above another.
o   Categorization of a group of people according to ability or status.
o   The classification of a group of people according to ability or to economic, social or professional standing.
-         Rule of Thirds:
o   Placing horizons along the horizontal lines on the vertical lines will result a much more balanced image.
o   An imaginary grid drawn across a photo that breaks the image into nine equal squares. The best focal point is at the intersection of these lines with secondary emphasis being seen along them.
o   It states that an image should be imagined as divided into nine equal squares and that important compositional elements should be places along these lines or their intersections.

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