add laser stacking stl reconstruction option

src/kiri/core/conf.js

@@ -647,7 +647,11 @@ export const conf = {
                 ctSliceHeight: 1,
                 ctSliceHeightMin: 0,
                 ctSliceSingle: true,
+                ctOmitInner: false,
                 ctOutTileSpacing: 1,
+                ctOutClean: false,
+                ctOutFilter: 1,
+                ctOutSmooth: 0.1,
                 ctOutPower: 100,
                 ctOutSpeed: 1000,
                 ctOutGroup: true,
@@ -690,6 +694,7 @@ export const conf = {
                 ctSliceHeight: 1,
                 ctSliceHeightMin: 0,
                 ctSliceSingle: true,
+                ctOmitInner: false,
                 ctOutTileSpacing: 1,
                 ctOutPower: 100,
                 ctOutSpeed: 1000,
@@ -734,6 +739,7 @@ export const conf = {
                 ctSliceHeight: 1,
                 ctSliceHeightMin: 0,
                 ctSliceSingle: true,
+                ctOmitInner: false,
                 ctOutTileSpacing: 1,
                 ctOutPower: 100,
                 ctOutSpeed: 1000,

src/kiri/core/export.js

@@ -99,6 +99,12 @@ function exportLaserDialog(data, names) {
     const filename = `${fileroot}-${(printSeq.toString().padStart(3,"0"))}`;
     const settings = api.conf.get();
     const driver = laser_driver;
+    const { process } = settings;
+    if (process.ctOutStack) {
+        $('print-stl').classList.remove('hide');
+    } else {
+        $('print-stl').classList.add('hide');
+    }
 
     function download_svg() {
         api.util.download(
@@ -114,6 +120,13 @@ function exportLaserDialog(data, names) {
         );
     }
 
+    function download_stl() {
+        api.util.download(
+            driver.exportSTL(settings, data),
+            $('print-filename-laser').value + ".stl"
+        );
+    }
+
     function download_gcode() {
         api.util.download(
             driver.exportGCode(settings, data),
@@ -130,6 +143,7 @@ function exportLaserDialog(data, names) {
     $('print-lines').value = util.comma(segments);
     $('print-svg').onclick = download_svg;
     $('print-dxf').onclick = download_dxf;
+    $('print-stl').onclick = download_stl;
     $('print-lg').onclick = download_gcode;
 }
 

src/kiri/core/widget.js

@@ -872,8 +872,9 @@ class Widget {
         return shadows[z] = POLY.setZ(shadow, z);
     }
 
+    // create a stack of faces in 1mm increments
+    // the stacks are then used to produce shadowlines
     #ensureShadowCache() {
-        // cache faces with normals up
         if (this.cache.shadow) {
             return;
         }
@@ -881,7 +882,6 @@ class Widget {
         const length = geo.length;
         const bounds = this.getBoundingBox();
         const stack = {};
-        // const faces = [];
         for (let i = Math.floor(bounds.min.z); i <= Math.ceil(bounds.max.z); i++) {
             stack[i] = [];
         }
@@ -892,7 +892,6 @@ class Widget {
             const n = THREE.computeFaceNormal(a, b, c);
             if (n.z < 0.001) {
                 continue;
-                // faces.push(a, b, c);
             }
             const minZ = Math.floor(Math.min(a.z, b.z, c.z));
             const maxZ = Math.ceil(Math.max(a.z, b.z, c.z));
@@ -904,6 +903,7 @@ class Widget {
     }
 
     // union triangles > z (opt cap < ztop) into polygon(s)
+    // slice the triangle stack matchingg z then union the results
     #computeShadowAt(z, ztop) {
         this.#ensureShadowCache();
         const found = [];