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fix extrusion-on-belt detection. fix support stringing caused by belt brim code

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This commit is contained in:
Stewart Allen 2024-07-11 11:45:52 -04:00
commit cfa9eacbb2
2 changed files with 13 additions and 4 deletions
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15
src/kiri-mode/fdm/prepare.js
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@ -659,7 +659,10 @@ FDM.prepare = async function(widgets, settings, update) {
}
// store this offset to be removed from Y values in export
print.belty = thresh;
thresh = thresh + firstLayerHeight * 0.25;
thresh = Math.max(0, thresh) + firstLayerHeight * belt.slope;
// track last layer out b/c it might be connected to the current
// layer first point, in which case the injected brim will cause a long print line
let lastLayerOut;
// iterate over layers, find extrusion on belt and
// apply corrections and add brim when specified
for (let layer of output) {
@ -688,7 +691,7 @@ FDM.prepare = async function(widgets, settings, update) {
// apply base rate to entire anchor (including bump)
rec.speed = Math.min(rec.speed, lowrate);
}
if (rec.emit && belty <= thresh && lastout && Math.abs(lastout.belty - belty) < 0.005) {
if (rec.emit && belty <= thresh && lastout && Math.abs(lastout.belty - belty) < 0.01) {
// apply base speed to segments touching belt
rec.speed = params.firstLayerRate || Math.min(rec.speed, lowrate);
rec.emit *= bmult;
@ -761,12 +764,18 @@ FDM.prepare = async function(widgets, settings, update) {
print.addOutput(tmpout, newPoint(minx - b, y, z), 0, outputSeekrate, tool);
print.addOutput(tmpout, newPoint(minx - g, y, z), emit, firstLayerRate, tool).retract = false;
}
// when there is a printing move between layers
// inject non-printing move to after brim to prevent erroneous extrusion
if (layer[0].emit && lastLayerOut) {
print.addOutput(tmpout, layer[0].point.clone(), 0, outputSeekrate, tool);
}
layer.splice(0,0,...tmpout);
} else {
// for any layer touching belt, ensure start point is nearest origin
// print.addOutput(tmpout, newPoint(minx, maxy, minz), 0, outputSeekrate, first.tool);
// print.lastPoint = newPoint(minx, maxy, minz);
}
layer.splice(0,0,...tmpout);
lastLayerOut = layer.peek();
}
}

2
src/kiri-mode/fdm/slice.js
View file

@ -506,7 +506,7 @@ FDM.slice = function(settings, widget, onupdate, ondone) {
if (by < smin) smin = by;
}
// mark slices with tops touching belt
slice.belt = { miny, touch: miny.round(3) == 0 };
slice.belt = { miny, touch: miny.round(3) < sliceHeightBase };
}
// find max width of first 5 layers for brim additions
let start;