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stub in anti-alias support

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This commit is contained in:
Stewart Allen 2020-04-18 14:27:08 -04:00
commit b0ff1a530b
3 changed files with 32 additions and 15 deletions
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1
js/kiri-conf.js
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@ -305,6 +305,7 @@ let gs_kiri_conf = exports;
slaShell: 0.00,
slaOpenTop: false,
slaOpenBase: false,
slaAntiAlias: false,
slaLayerOff: 0.1,
slaLayerOn: 7,
slaPeelDist: 6,

45
js/kiri-driver-sla.js
View file

@ -412,29 +412,41 @@ let gs_kiri_sla = exports;
layerCount = conf.lines.length,
layerBytes = width * height,
small = conf.small,
large = conf.large;
large = conf.large,
subcount = process.slaAntiAlias ? 2 : 1;
let converted = conf.lines.map((line, index) => {
let count = line.length / 4;
let bits = new Uint8Array(line.length / 4);
let bitsDV = new DataView(bits.buffer);
let bits = new Uint8Array(line.length / 4), bits2;
let bitsDV = new DataView(bits.buffer), bitsDV2;
let lineDV = new DataView(line.buffer);
let subs = [{
exposureTime: process.slaLayerOn,
data: bits
}];
if (subcount === 2) {
bits2 = bits.slice();
bitsDV2 = new DataView(bits2.buffer);
subs.push({
exposureTime: process.slaLayerOn,
data: bits2
});
}
// reduce RGB to R
for (let i = 0; i < count; i++) {
// defeat anti-aliasing for the moment
bitsDV.setUint8(i, lineDV.getUint8(i * 4) > 0 ? 1 : 0);
let dv = lineDV.getUint8(i * 4);
bitsDV.setUint8(i, dv >= 128 ? 1 : 0);
if (subcount === 2) {
bitsDV2.setUint8(i, dv > 0 && dv < 128 ? 1 : 0);
}
}
progress(index / conf.lines.length);
return {
subs: [{
exposureTime: process.slaLayerOn,
data: bits
}]
};
return { subs };
});
let coded = encodeLayers(converted, "photon");
let buflen = 3000 + coded.length + layerCount * 28 + small.byteLength + large.byteLength;
let buflen = 3000 + coded.length + (layerCount * subcount * 28) + small.byteLength + large.byteLength;
let filebuf = new ArrayBuffer(buflen);
let filedat = new DataWriter(new DataView(filebuf));
let printtime = (process.slaBaseLayers * process.slaBaseOn) +
@ -463,7 +475,7 @@ let gs_kiri_sla = exports;
filedat.writeU32(1, true); // projection type (1=lcd, 0=cast)
let proppos = filedat.skip(4); // print properties address filled later
let proplen = filedat.skip(4); // print properties length filled later
filedat.writeU32(1, true); // AA level (sub layers)
filedat.writeU32(subcount, true); // AA level (sub layers)
filedat.writeU16(0x00ff, true); // light pwm (TODO);
filedat.writeU16(0x00ff, true); // light pwm bottom (TODO);
@ -491,18 +503,21 @@ let gs_kiri_sla = exports;
// write layer headers
let layers = coded.layers;
let layerat = [];
for (let sc=0; sc<subcount; sc++)
for (let l=0; l<layers.length; l++) {
filedat.writeF32(process.slaFirstOffset + process.slaSlice * l, true); // layer height
filedat.writeF32(l < process.slaBaseLayers ? process.slaBaseOn : process.slaLayerOn, true);
filedat.writeF32(l < process.slaBaseLayers ? process.slaBaseOff : process.slaLayerOff, true);
layerat.push(filedat.skip(4)); // rewrite later
filedat.writeU32(layers[l].sublayers[0].length, true);
filedat.writeU32(layers[l].sublayers[sc].length, true);
filedat.skip(16); // padding
}
// write layer data
for (let sc=0; sc<subcount; sc++)
for (let l=0; l<layers.length; l++) {
filedat.view.setUint32(layerat[l], filedat.pos, true);
let layer = layers[l].sublayers[0];
filedat.view.setUint32(layerat[l*(sc+1)], filedat.pos, true);
let layer = layers[l].sublayers[sc];
for (let j=0; j<layer.length; j++) {
filedat.writeU8(layer[j], false);
}

1
js/kiri-init.js
View file

@ -1452,6 +1452,7 @@ var gs_kiri_init = exports;
slaShell: UC.newInput('hollow shell', {title:'shell thickness in mm\nuse multiple of layer height\nuse 0 for solid', convert:UC.toFloat, modes:SLA}),
slaOpenTop: UC.newBoolean('open top', onBooleanClick, {title:'solid layers', modes:SLA}),
slaOpenBase: UC.newBoolean('open base', onBooleanClick, {title:'bottom layers', modes:SLA}),
// slaAntiAlias: UC.newBoolean('anti alias', onBooleanClick, {title:'enable anti-aliasing\nproduces larger files', modes:SLA, expert:true}),
// SLA
slaOutput: UC.newGroup('layers', null, {modes:SLA, group:"sla-layers"}),