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when healing enabled, warn when non-manifold geometry detected. update release notes

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This commit is contained in:
Stewart Allen 2022-09-08 13:26:47 -04:00
commit 059dbced58
8 changed files with 62 additions and 14 deletions
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6
src/geo/slicer.js
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@ -385,7 +385,11 @@ async function sliceZ(z, points, options = {}) {
let groups = groupFn(lines, z, options);
if (options.union) {
// simplistic healing of non-manifold meshes
groups = POLY.flatten(POLY.union(POLY.nest(groups), 0.1, true), null, true);
let opt = { x: 1 };
let union = POLY.union(POLY.nest(groups), 0.1, true, opt);
// track total poly length changes to determine if healed
rval.changes = opt.changes;
groups = POLY.flatten(union, null, true);
}
rval.groups = groups;
}