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Cesia (visual Appearance)
Cesia is the name given to visual appearances related to the perception of different spatial distributions of light. Light radiation that is not absorbed by an object can be reflected or transmitted either diffusely or regularly. These interactions of light with matter are perceived with a greater or lesser degree of Gloss (optics), gloss (from a mirror to a matte surface, as the extremes), more or less transparent, translucent or opaque, at different levels of darkness (according to the light-dark axis). Background and development of the concept This is the same kind of phenomenon that Richard S. Hunter (1969) calls "geometric attributes of appearance". The advantage is that the concept of cesia encompasses all the involved aspects in a single word, and that all cesias have been organized in a three-dimensional order system according to three axes of variation, similar to color order systems or color models. Before Richard Hunter, who also developed instruments for the measu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
L01eng1
L, or l, is the twelfth Letter (alphabet), letter of the Latin alphabet, used in the English alphabet, modern English alphabet, the alphabets of other western European languages and others worldwide. Its name in English is English alphabet#Letter names, ''el'' (pronounced ), plural ''els''. History Lamedh may have come from a pictogram of an ox goad or cattle prod. Some have suggested that it represents a shepherd's staff. Typographic variants In most sans-serif typefaces, the lowercase letter ''ell'' , written as the glyph , may be difficult to distinguish from the uppercase letter "eye" (written as the glyph ); in some serif typefaces, the glyph may be confused with the glyph , the digit ''1 (number), one''. To avoid such confusion, some newer computer fonts (such as Trebuchet MS) have a finial (typography), finial, a curve to the right at the bottom of the lowercase letter ''ell''. Other style variants are provided in script typefaces and display typefaces. All the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
