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dotSCAD/docs/lib-midpt_smooth.md

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2019-06-03 15:38:01 +08:00
# midpt_smooth
Given a 2D path, this function constructs a mid-point smoothed version by joining the mid-points of the lines of the path.
**Since:** 1.3
## Parameters
- `points` : The path points.
- `n` : Perform mid-point smoothing n times.
- `closed` : Is the points a 2D shape? If it's `true`, the function takes the last point and the first one to calculate a middle point. Default to `false`.
## Examples
include <hull_polyline2d.scad>;
include <shape_taiwan.scad>;
include <bijection_offset.scad>;
include <midpt_smooth.scad>;
taiwan = shape_taiwan(50);
smoothed = midpt_smooth(taiwan, 20, true);
translate([0, 0, 0]) hull_polyline2d(taiwan, .25);
#translate([10, 0, 0]) hull_polyline2d(smoothed, .25);
![midpt_smooth](images/lib-midpt_smooth-1.JPG)