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3.2.6.1 Swept points

If swept_object is a point list and there is no closure tag, then sweep connects n+1 successive copies of each point (including the original) with straight line segments to form a polyline. If there are m points in the original point list, then m polylines with n segments each are formed by the sweep. In this manner, sweep forms a set of one-dimensional objects (polylines) from zero-dimensional ones (points).

When there is a closure tag, sweep connects n successive copies of each point (including the original) with straight line segments and finally connects the last copy back to the original to form a polygon with n sides. If there are m points in the original point list, then m polygons with n sides each are formed by the sweep. In this manner, sweep forms a set of two-dimensional objects (polygons) from zero-dimensional ones (points).

Options of the sweep are copied directly to the resulting polyline(s).

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