relocate tab cutout code. move roughing code inline
This commit is contained in:
Stewart Allen
parent
6d67c9eac5
commit
213c82df81
1 changed files with 95 additions and 108 deletions
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@ -500,39 +500,6 @@
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});
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}
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/**
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* Create roughing offsets in CAM mode
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*
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* @param {Slice} slice target
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* @param {Polygon[]} shell enclosing slice tops
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* @param {number} diameter of tool (mm)
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* @param {number} stock to leave (mm)
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* @param {number} overlap on each pass
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*/
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function createRoughPaths(slice, shell, diameter, stock, overlap) {
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let shadow = slice.shadow;
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let offset = [shell.clone(true),shadow.clone(true)].flat();
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let flat = POLY.flatten(offset, [], true);
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offset = POLY.setZ(POLY.nest(flat), slice.z);
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// inset offset array by 1/2 diameter then by tool overlap %
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slice.tops[0].traces =
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POLY.offset(offset, [-(diameter / 2 + stock), -diameter * overlap], {
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z: slice.z,
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count: 999,
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flat: true,
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call: (polys, count, depth) => {
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polys.forEach(p => {
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p.depth = depth;
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if (p.inner) {
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p.inner.forEach(p => p.depth = depth);
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}
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});
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}
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});
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};
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/**
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* Find top paths to trace when using ball and taper mills
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* in waterline outlining and tracing modes.
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@ -606,6 +573,77 @@
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}
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}
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// cut outside traces at the right points
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function addCutoutTabs(slice, toolDiam, tabWidth, tabCount, tabAngle) {
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// skip if no tops | traces
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if (slice.tops.length === 0) return;
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let notabs = 0;
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let nutrace = [];
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// find trace with greatest area
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slice.tops[0].traces.forEach(function(trace, index) {
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// required to match computed order of cutouts
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trace.setClockwise();
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let count = tabCount,
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angle = tabAngle,
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angle_inc = 360 / count,
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center = trace.bounds.center(slice.z),
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offset = (tabWidth + toolDiam) / 2,
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ints = [],
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segs = [];
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while (count-- > 0) {
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let slope = BASE.newSlopeFromAngle(angle),
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normal = BASE.newSlopeFromAngle(angle + 90),
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c1 = center.projectOnSlope(normal, offset),
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c2 = center.projectOnSlope(normal, -offset),
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o1 = c1.projectOnSlope(slope, 10000),
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o2 = c2.projectOnSlope(slope, 10000),
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int1 = trace.intersections(c1, o1).pop(),
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int2 = trace.intersections(c2, o2).pop();
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if (int1 && int2) {
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ints.push(int1);
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ints.push(int2);
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}
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angle -= angle_inc;
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}
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if (ints.length) {
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ints.push(ints.shift());
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for (let i=0; i<ints.length; i+=2) {
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segs.push(trace.emitSegment(ints[i], ints[i+1]));
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}
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// check for and eliminate overlaps
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for (let i=0, il=segs.length; i < il; i++) {
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let si = segs[i];
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for (let j=i+1; j<il; j++) {
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let sj = segs[j];
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if (sj.overlaps(si)) {
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if (sj.perimeter() > si.perimeter()) {
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sj._overlap = true;
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}
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}
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}
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}
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// replace intersected trace with non-overlapping segments
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nutrace.appendAll(segs.filter(seg => !seg._overlap));
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} else {
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nutrace.push(trace);
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notabs++;
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}
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});
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if (notabs) {
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console.log(`unable to compute tabs for ${notabs} traces @ z=${slice.z}`);
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}
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slice.tops[0].traces = nutrace;
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}
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/**
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* Create CAM outlining offsets
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*
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@ -717,79 +755,6 @@
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return ondone(`invalid z bottom >= bounds z max ${bounds.max.z}`);
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}
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// cut outside traces at the right points
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const addCutoutTabs = function(slice, toolDiam) {
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// too high
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if (slice.z > zMin + tabHeight) return;
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// skip if no tops | traces
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if (slice.tops.length === 0) return;
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let notabs = 0;
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let nutrace = [];
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// find trace with greatest area
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slice.tops[0].traces.forEach(function(trace, index) {
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// required to match computed order of cutouts
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trace.setClockwise();
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let count = proc.camTabsCount,
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angle = proc.camTabsAngle,
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angle_inc = 360 / count,
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center = trace.bounds.center(slice.z),
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offset = (tabWidth + toolDiam) / 2,
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ints = [],
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segs = [];
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while (count-- > 0) {
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let slope = BASE.newSlopeFromAngle(angle),
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normal = BASE.newSlopeFromAngle(angle + 90),
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c1 = center.projectOnSlope(normal, offset),
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c2 = center.projectOnSlope(normal, -offset),
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o1 = c1.projectOnSlope(slope, 10000),
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o2 = c2.projectOnSlope(slope, 10000),
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int1 = trace.intersections(c1, o1).pop(),
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int2 = trace.intersections(c2, o2).pop();
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if (int1 && int2) {
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ints.push(int1);
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ints.push(int2);
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}
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angle -= angle_inc;
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}
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if (ints.length) {
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ints.push(ints.shift());
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for (let i=0; i<ints.length; i+=2) {
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segs.push(trace.emitSegment(ints[i], ints[i+1]));
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}
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// check for and eliminate overlaps
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for (let i=0, il=segs.length; i < il; i++) {
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let si = segs[i];
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for (let j=i+1; j<il; j++) {
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let sj = segs[j];
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if (sj.overlaps(si)) {
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if (sj.perimeter() > si.perimeter()) {
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sj._overlap = true;
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}
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}
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}
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}
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// replace intersected trace with non-overlapping segments
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nutrace.appendAll(segs.filter(seg => !seg._overlap));
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} else {
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nutrace.push(trace);
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notabs++;
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}
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});
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if (notabs) {
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console.log(`unable to compute tabs for ${notabs} traces @ z=${slice.z}`);
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}
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slice.tops[0].traces = nutrace;
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}
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// TODO cache terrain slicer info in widget
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// TODO pass widget.isModified() on slice and re-use if false
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// TODO pre-slice in background from client signal
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@ -880,7 +845,27 @@
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slices.forEach(slice => {
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slice.index = sliceIndex++;
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createRoughPaths(slice, shell, roughToolDiam, camRoughStock, proc.camRoughOver, thruHoles);
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let shadow = slice.shadow;
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let offset = [shell.clone(true),shadow.clone(true)].flat();
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let flat = POLY.flatten(offset, [], true);
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let nest = POLY.setZ(POLY.nest(flat), slice.z);
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// inset offset array by 1/2 diameter then by tool overlap %
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slice.tops[0].traces =
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POLY.offset(nest, [-(roughToolDiam / 2 + camRoughStock), -roughToolDiam * proc.camRoughOver], {
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z: slice.z,
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count: 999,
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flat: true,
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call: (polys, count, depth) => {
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// used in depth-first path creation
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polys.forEach(p => {
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p.depth = depth;
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if (p.inner) {
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p.inner.forEach(p => p.depth = depth);
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}
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});
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}
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});
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});
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sliceAll.appendAll(slices);
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}
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@ -916,7 +901,9 @@
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slices.forEach(slice => {
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slice.index = sliceIndex++;
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createOutlinePaths(slice, tshadow, outlineToolDiam, procOutlineIn, procOutlineWide);
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if (addTabsOutline) addCutoutTabs(slice, outlineToolDiam);
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if (addTabsOutline && slice.z <= zMin + tabHeight) {
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addCutoutTabs(slice, outlineToolDiam, tabWidth, proc.camTabsCount, proc.camTabsAngle);
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}
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});
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sliceAll.appendAll(slices);
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}
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