[computer graphics] A hemicube is a concept used in 3D computer graphics rendering. A hemicube is one way to represent a 180° view from a surface or point in space. ==Shape== Although the name implies any half of a cube, a hemicube is usually a cube cut through a plane parallel to one of its faces. Therefore it consists of one square face,...
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http://en.wikipedia.org/wiki/Hemicube_(computer_graphics)
[geometry] In abstract geometry, a hemi-cube is an abstract regular polyhedron, containing half the faces of a cube. It can be realized as a projective polyhedron (a tessallation of the real projective plane by 3 quadrilaterals), which can be visualized by constructing the projective plane as a hemisphere where opposite points along the bou...
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http://en.wikipedia.org/wiki/Hemicube_(geometry)
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