Offset generates a new 2d interior or exterior outline from an existing outline. The offset method creates a new outline whose sides are a fixed distance outer (delta > 0) or inner (delta 0) or interior (r<0) original outline. The construction methods can either produce an outline that is interior or exterior to the original outline.įor exterior outlines the corners can be given an optional chamfer. Offset is useful for making thin walls by subtracting a negative-offset construction from the original, or the original from a Positive offset construction. Offset can be used to simulate some common solid modeling operations: Let the axes be rotated about origin by an angle in the anticlockwise direction. Then with respect to the rotated axes, the coordinates of P, i.e. (x’, y’), will be given by: x x’cos y’sin.
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