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add CAM 3D engraving and marking with the pocket contouring operation

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This commit is contained in:
Stewart Allen 2022-10-10 18:01:43 -04:00
commit b7f8ce5b52
7 changed files with 30 additions and 8 deletions
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10
src/kiri-mode/cam/ops.js
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@ -970,6 +970,7 @@ class OpPocket extends CamOp {
let toolDiam = camTool.fluteDiameter();
let toolOver = toolDiam * op.step;
let cutdir = process.camConventional;
let engrave = contour && op.engrave;
if (contour) {
down = 0;
this.topo = new CAM.Topo({
@ -1034,9 +1035,10 @@ class OpPocket extends CamOp {
continue;
}
let slice = newSliceOut(z);
let count = engrave ? 1 : 999;
slice.camTrace = { tool, rate, plunge };
POLY.offset(clip, [ -toolDiam / 2, -toolOver ], {
count:999, outs: slice.camLines = [], flat:true, z
count, outs: slice.camLines = [], flat:true, z
});
if (tabs) {
slice.camLines = cutTabs(tabs, POLY.flatten(slice.camLines, null, true), z);
@ -1045,7 +1047,7 @@ class OpPocket extends CamOp {
}
POLY.setWinding(slice.camLines, cutdir, false);
if (contour) {
slice.camLines = pocket.conform(slice.camLines, op.refine);
slice.camLines = pocket.conform(slice.camLines, op.refine, engrave);
}
slice.output()
.setLayer("pocket", {line: color}, false)
@ -1093,14 +1095,14 @@ class OpPocket extends CamOp {
}
// mold cam output lines to the surface of the topo offset by tool geometry
conform(camLines, refine = 10) {
conform(camLines, refine = 10, engrave) {
const topo = this.topo;
// re-segment polygon to a higher resolution
const hirez = camLines.map(p => p.segment(topo.tolerance * 2));
// walk points and offset from surface taking into account tool geometry
for (let poly of hirez) {
for (let point of poly.points) {
point.z = topo.toolAtXY(point.x, point.y);
point.z = engrave ? topo.zAtXY(point.x, point.y) : topo.toolAtXY(point.x, point.y);
}
}
// walk points noting z deltas and smoothing sawtooth patterns