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Tweak to centroid() docs.

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Garth Minette 2022-07-10 16:48:15 -07:00
parent 8373b2db38
commit 214d382e1b
2 changed files with 4 additions and 2 deletions
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4
geometry.scad
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@ -1386,7 +1386,9 @@ function polygon_area(poly, signed=false) =
// If you provide a non-planar or collinear polygon you will get an error. For self-intersecting // If you provide a non-planar or collinear polygon you will get an error. For self-intersecting
// polygons you may get an error or you may get meaningless results. // polygons you may get an error or you may get meaningless results.
// . // .
// If object is a manifold VNF then returns the 3d centroid of the polyhedron. The VNF must // Given a [[region|regions.scad]], returns the 2D coordinates of the region's centroid.
// .
// Given a manifold [[VNF|vnf.scad]] then returns the 3D centroid of the polyhedron. The VNF must
// describe a valid polyhedron with consistent face direction and no holes in the mesh; otherwise // describe a valid polyhedron with consistent face direction and no holes in the mesh; otherwise
// the results are undefined. // the results are undefined.
// Arguments: // Arguments:

2
paths.scad
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@ -1142,7 +1142,7 @@ function _assemble_a_path_from_fragments(fragments, rightmost=true, startfrag=0,
/// fragments = List of paths to be assembled into complete polygons. /// fragments = List of paths to be assembled into complete polygons.
/// eps = The epsilon error value to determine whether two points coincide. Default: `EPSILON` (1e-9) /// eps = The epsilon error value to determine whether two points coincide. Default: `EPSILON` (1e-9)
function _assemble_path_fragments(fragments, eps=EPSILON, _finished=[]) = function _assemble_path_fragments(fragments, eps=EPSILON, _finished=[]) =
len(fragments)==0? _finished : len(fragments)==0? _finished :
let( let(
minxidx = min_index([ minxidx = min_index([
for (frag=fragments) min(column(frag,0)) for (frag=fragments) min(column(frag,0))