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Overview |
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Linear surface by curve and direction is formed by moving a segment along the selected curve, where the start vertex of the segment lies on the curve and the end vertex shifts in the section plane such that the segment forms a specified angle with the projection onto this plane of the indicated straight object. An angle between a segment and a projected object, as well as the length of the segment, may be constant or changing according to a given law. The plane of the section in each position is perpendicular to the specified straight-line direction or curve.
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Plotting linear surface by curve and direction
Direction of plotting a segment in a section is determined
by a projection of a straight-line object on a section plane.
The figures demonstrate examples of linear surfaces plotted by a curve and a direction.
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The linear surfaces created by a curve and a direction are marked by blue color.
See Also
