offset¶

opstool.pre.section.offset(points, d)[source]¶

Offsets closed polygons.

Parameters¶

pointslist[list[float, float]]: A list containing the coordinate points, [(x1, y1),(x2, y2),…,(xn.yn)].
dfloat: Offsets closed polygons, positive values offset inwards, negative values outwards.

Returns¶

coords: list[[float, float]], new offset points.

Examples¶

>>> import opstool as opst
>>> outlines1 = [[0, 0], [0, 1], [1, 1]]
>>> outlines2 = opst.pre.section.offset(outlines1, d=0.1)
>>> outlines3 = [[0, 0], [0, 1], [1, 1], [1, 0]]
>>> outlines4 = opst.pre.section.offset(outlines3, d=0.1)