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add brims on interior gaps. fixes #153

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This commit is contained in:
Stewart Allen 2021-04-21 20:49:16 -04:00
commit 2be3daf1a2
2 changed files with 30 additions and 2 deletions
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29
src/mode/fdm/prepare.js
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@ -500,7 +500,7 @@
// console.log({process, output});
// }
let thresh = firstLayerHeight * 1.05;
let thresh = firstLayerHeight * 0.25;
let seqn = 0;
// iterate over layers, find extrusion on belt and
@ -515,6 +515,7 @@
let minz = Infinity, maxy = -Infinity, minx = Infinity, maxx = -Infinity;
let mins = Infinity;
let miny = Infinity;
let pads = [];
for (let rec of layer) {
let point = rec.point;
@ -531,6 +532,10 @@
first = rec;
// find length of shortest bed-facing segment
mins = Math.min(mins, lastout.point.distTo2D(rec.point));
// add to pads list if > 1mm long
if (point.x - lastout.point.x > 1) {
pads.push([lastout.point.x, point.x]);
}
}
lastout = rec;
}
@ -551,6 +556,28 @@
layer.last().retract = true;
print.addOutput(tmpout, newPoint(maxx + b, y, z), 0, firstLayerSeek, tool);
print.addOutput(tmpout, newPoint(maxx + g, y, z), emit, firstLayerRate, tool).retract = true;
if (pads.length > 1) {
let gaps = [];
let lpad = pads[0];
for (let pad of pads.slice(1)) {
let x0 = lpad[1];
let x1 = pad[0];
lpad = pad;
if (x1 - x0 > b * 2) {
// over 2x brim so emit two segments
print.addOutput(tmpout, newPoint(x1 - g, y, z), 0, firstLayerSeek, tool);
print.addOutput(tmpout, newPoint(x1 - b, y, z), emit, firstLayerRate, tool).retract = true;
print.addOutput(tmpout, newPoint(x0 + b, y, z), 0, firstLayerSeek, tool);
print.addOutput(tmpout, newPoint(x0 + g, y, z), emit, firstLayerRate, tool).retract = true;
} else if (x1 - x0 > b / 3) {
// over 1/3rd brim length emit single segment
print.addOutput(tmpout, newPoint(x1 - g, y, z), 0, firstLayerSeek, tool);
print.addOutput(tmpout, newPoint(x0 + g, y, z), emit, firstLayerRate, tool).retract = true;
}
}
}
print.addOutput(tmpout, newPoint(minx - b, y, z), 0, firstLayerSeek, tool);
print.addOutput(tmpout, newPoint(minx - g, y, z), emit, firstLayerRate, tool).retract = false;
if (firstLayerBrimComb) {

3
web/kiri/index.css
View file

@ -530,11 +530,12 @@ th, tr, td, label {
}
.dev-buttons {
margin: 5px 15px 0 15px;
margin: 1px -1px 0 -1px;
}
.dev-buttons button {
margin-left: 2px;
margin-right: 2px;
padding-bottom: 2px;
}
#dg .ext-buttons button {
cursor: pointer;