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nest cam slicing into code block. fix 0 height on first layer affecting extrusion

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This commit is contained in:
Stewart Allen 2020-02-20 19:58:44 -05:00
commit a390e4ca71
4 changed files with 52 additions and 46 deletions
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5
js/kiri-driver-fdm.js
View file

@ -182,7 +182,7 @@ var gs_kiri_fdm = exports;
mode = settings.mode, mode = settings.mode,
output = print.output, output = print.output,
printPoint = newPoint(0,0,0), printPoint = newPoint(0,0,0),
firstLayerHeight = process.firstSliceHeight, firstLayerHeight = process.firstSliceHeight || process.sliceHeight,
maxLayers = 0, maxLayers = 0,
layer = 0, layer = 0,
zoff = 0, zoff = 0,
@ -561,7 +561,8 @@ var gs_kiri_fdm = exports;
emitPerMM = print.extrudePerMM( emitPerMM = print.extrudePerMM(
device.nozzleSize, device.nozzleSize,
device.filamentSize, device.filamentSize,
path.layer === 0 ? process.firstSliceHeight : path.height); path.layer === 0 ?
(process.firstSliceHeight || process.sliceHeight) : path.height);
consts.z = zpos.toFixed(2); consts.z = zpos.toFixed(2);
consts.Z = consts.z; consts.Z = consts.z;

88
js/kiri-slicer.js
View file

@ -138,55 +138,59 @@ var gs_kiri_slicer = exports;
countZ(p2.z); countZ(p2.z);
countZ(p3.z); countZ(p3.z);
} }
// detect zLines (curved region tops/bottoms)
if (options.cam) { if (options.cam) {
if (p1.z === p2.z && p1.z > bounds.min.z) { if (p1.z === p2.z && p2.z === p3.z && p1.z > bounds.min.z) {
let zkey = p1.z.toFixed(5); // auto-detect flats for cam faces and to avoid slicing directly on flats
let zval = zLines[zkey]; var zkey = p1.z.toFixed(5),
zLines[zkey] = (zval || 0) + 1; area = Math.abs(UTIL.area2(p1,p2,p3)) / 2;
} if (!zFlat[zkey]) {
if (p2.z === p3.z && p2.z > bounds.min.z) { zFlat[zkey] = area;
let zkey = p2.z.toFixed(5); } else {
let zval = zLines[zkey]; zFlat[zkey] += area;
zLines[zkey] = (zval || 0) + 1; }
} } else if (false) {
if (p3.z === p1.z && p3.z > bounds.min.z) { // detect zLines (curved region tops/bottoms)
let zkey = p3.z.toFixed(5); // mark these layers for ball mills only
let zval = zLines[zkey]; if (p1.z === p2.z && p1.z > bounds.min.z) {
zLines[zkey] = (zval || 0) + 1; let zkey = p1.z.toFixed(5);
} let zval = zLines[zkey];
} zLines[zkey] = (zval || 0) + 1;
// auto-detect flats for cam faces and to avoid slicing directly on flats }
if (p1.z === p2.z && p2.z === p3.z && p1.z > bounds.min.z) { if (p2.z === p3.z && p2.z > bounds.min.z) {
var zkey = p1.z.toFixed(5), let zkey = p2.z.toFixed(5);
area = Math.abs(UTIL.area2(p1,p2,p3)) / 2; let zval = zLines[zkey];
if (!zFlat[zkey]) { zLines[zkey] = (zval || 0) + 1;
zFlat[zkey] = area; }
} else { if (p3.z === p1.z && p3.z > bounds.min.z) {
zFlat[zkey] += area; let zkey = p3.z.toFixed(5);
let zval = zLines[zkey];
zLines[zkey] = (zval || 0) + 1;
}
} }
} }
} }
let zlk, zlv; // translate zLines to zFlats
// detect zLines bottoms and translate to zFlats if (options.cam) {
Object.entries(zLines) let zlk, zlv;
.map(v => [v[0], v[1], parseFloat(v[0])]) Object.entries(zLines)
.sort((a,b) => { .map(v => [v[0], v[1], parseFloat(v[0])])
return a[2] - b[2] .sort((a,b) => {
}) return a[2] - b[2]
.forEach(zl => { })
if (zlk) { .forEach(zl => {
if (zlv != zl[1]) { if (zlk) {
zFlat[zlk] = zlv; if (zlv != zl[1]) {
zFlat[zlk] = zlv;
zlv = zl[1];
}
zlk = zl[0];
} else {
zlk = zl[0];
zlv = zl[1]; zlv = zl[1];
} }
zlk = zl[0]; });
} else { }
zlk = zl[0];
zlv = zl[1];
}
});
/** bucket polygons into z-bounded groups */ /** bucket polygons into z-bounded groups */
var bucketCount = Math.max(1, Math.ceil(zMax / (zSum / points.length)) - 1); var bucketCount = Math.max(1, Math.ceil(zMax / (zSum / points.length)) - 1);

2
notes.md
View file

@ -17,7 +17,7 @@
# FDM todo # FDM todo
* fingerprint layer once and re-use for infill and layer diffs * gradient infill https://www.youtube.com/watch?v=hq53gsYREHU&feature=emb_logo
* disable infill fingerprinting for gyroids * disable infill fingerprinting for gyroids
* first layer segment large flat areas for better fill reliability * first layer segment large flat areas for better fill reliability
* adaptive column to compensate for fine or layers that finish too quickly and melt * adaptive column to compensate for fine or layers that finish too quickly and melt

3
web/kiri/filter/FDM/Prusa.i3.MK2S
View file

@ -7,6 +7,8 @@
"M109 S160 ; wait for extruder temporary high enough temp", "M109 S160 ; wait for extruder temporary high enough temp",
"G28 W ; home all without mesh bed level", "G28 W ; home all without mesh bed level",
"G80 ; mesh bed leveling", "G80 ; mesh bed leveling",
"G90 ; set absolute positioning mode",
"M83 ; set relative positioning for extruder",
"G1 Y-3.0 F1000.0 ; go outside print area", "G1 Y-3.0 F1000.0 ; go outside print area",
"M104 S{temp} ; set extruder actual required temp", "M104 S{temp} ; set extruder actual required temp",
"M109 S{temp} ; wait for extruder actual required temp", "M109 S{temp} ; wait for extruder actual required temp",
@ -28,7 +30,6 @@
}, },
"settings":{ "settings":{
"origin_center": false, "origin_center": false,
"extrude_abs": true,
"bed_width": 250, "bed_width": 250,
"bed_depth": 210, "bed_depth": 210,
"build_height": 210 "build_height": 210