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annotate thinwall points with shell number

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This commit is contained in:
Stewart Allen 2025-09-19 20:26:34 -04:00
commit b1eee58c1e
1 changed files with 6 additions and 2 deletions
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8
src/kiri/mode/fdm/post.js
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@ -199,6 +199,7 @@ function thin_type_3(params) {
i === 0 ? midR : midR * 1.25,
i === 0 ? maxR : maxF,
{
shell: 0,
lines,
polys,
remain,
@ -242,6 +243,7 @@ function trace_noodle(noodle, noodleWidth, minR, midR, maxR, opt = {}) {
polys = [],
remain = [],
trace = [],
shell = 0
} = opt;
let insets = [];
let scale = 1000;
@ -437,6 +439,7 @@ function trace_noodle(noodle, noodleWidth, minR, midR, maxR, opt = {}) {
let parent = new Polygon();
let inner = [];
for (let poly of insetp.flattenTo([])) {
let sno = poly.parent ? shell : -shell; // shell number (- for inner/hole)
let nupoly = poly.parent ? new Polygon() : parent;
if (poly.parent) {
inner.push(nupoly);
@ -481,7 +484,7 @@ function trace_noodle(noodle, noodleWidth, minR, midR, maxR, opt = {}) {
if (pop.length === 1) {
// for single wall place it exactly on medial axis
nupoly.push(new Point(min.x, min.y));
trace.push(op = { x: min.x, y: min.y, r: mr })
trace.push(op = { x: min.x, y: min.y, r: mr, sno })
} else {
// otherwise use first division
// compensate for minimal inset
@ -489,7 +492,8 @@ function trace_noodle(noodle, noodleWidth, minR, midR, maxR, opt = {}) {
trace.push(op = {
x: np1.x + dy * off,
y: np1.y - dx * off,
r: pop[0]
r: pop[0],
sno
})
// trace inset by full diameter
nupoly.push(new Point(np1.x + dy * off * 2, np1.y - dx * off * 2));