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+ | ===== Well-formed Objects ===== | ||
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+ | A **well-formed** shape is a complete, holistic shape. For example, a rubber-band stretched in the shape of a rectangle is a well-formed shape. However, a set of four lines meeting at four corners are not considered as a well-formed shape. For example, a set of four matchsticks put together in the shape of a rectangle does not create a well-formed shape, even if the corners are glued together. | ||
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+ | In CAD software, shapes are built out of elements like points and lines. Such shapes are **ill-formed** shapes. Similarly, when a shape is extruded to form a volume, it can either be a well-formed object or not. Multiple ill-formed shapes come together to form the faces of the volume. In solid modeling software, if an object can further be subdivided into other geometrical shapes and elements, | ||
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Last modified: le 1970/01/01 01:00