add wide cutout option

src/kiri/conf.js

@@ -438,6 +438,7 @@
                     camRoughPocket: false,   // camPocketOnlyRough
                     camOutlinePocket: false, // camPocketOnlyFinish
                     camDepthFirst: true,
+                    camWideCutout: false,
                     camEaseDown: false,
                     camOriginTop: true,
                     camZTopOffset: 0,

src/kiri/init.js

@@ -1440,6 +1440,7 @@
             camConventional:     UC.newBoolean(LANG.ou_conv_s, onBooleanClick, {title:LANG.ou_conv_l, modes:CAM}),
             camEaseDown:         UC.newBoolean(LANG.cr_ease_s, onBooleanClick, {title:LANG.cr_ease_l, modes:CAM}),
             camDepthFirst:       UC.newBoolean(LANG.ou_depf_s, onBooleanClick, {title:LANG.ou_depf_l, modes:CAM}),
+            camWideCutout:       UC.newBoolean(LANG.ou_wide_s, onBooleanClick, {title:LANG.ou_wide_l, modes:CAM}),
             outputOriginBounds:  UC.newBoolean(LANG.or_bnds_s, onBooleanClick, {title:LANG.or_bnds_l, modes:LASER}),
             outputOriginCenter:  UC.newBoolean(LANG.or_cntr_s, onBooleanClick, {title:LANG.or_cntr_l, modes:CAM_LASER}),
             camOriginTop:        UC.newBoolean(LANG.or_topp_s, onBooleanClick, {title:LANG.or_topp_l, modes:CAM}),

src/mode/cam/driver.js

@@ -677,9 +677,10 @@
      * @param {number} stock to leave (mm)
      * @param {number} percent overlap on each pass
      * @param {boolean} true for pocket only mode
+     * @param {boolean} widecut expand outer cutout
      * @returns {Object} shell or newly generated shell
      */
-    function createRoughPaths(slice, shell, diameter, stock, overlap, pocket, holes) {
+    function createRoughPaths(slice, shell, diameter, stock, overlap, pocket, holes, widecut) {
         let tops = slice.gatherTopPolys([]).clone(true),
             outer = [],
             offset = [];
@@ -716,6 +717,10 @@
             // re-nest offset polys
             // outer = POLY.nest(offset);
             outer = offset;
+            // more outer
+            if (widecut) {
+                POLY.expand(offset, diameter * overlap, slice.z, outer, 1);
+            }
         }
 
         slice.tops[0].traces = outer;
@@ -801,8 +806,9 @@
      * @param {Polygon[]} outermost pancacked shells for fill
      * @param {number} tool diameter
      * @param {boolean} pocket only
+     * @param {boolean} widecut expand outer cutout
      */
-    function createOutlinePaths(slice, shell, diameter, pocket) {
+    function createOutlinePaths(slice, shell, diameter, pocket, widecut) {
         if (slice.tops.length === 0) return shell;
 
         let tops = slice.gatherTopPolys([]).clone(true),
@@ -822,6 +828,10 @@
                 }
                 return poly;
             });
+        } else if (widecut) {
+            offset.slice().forEach(op => {
+                POLY.expand([op], diameter * 0.5, slice.z, offset, 1);
+            });
         }
 
         const output = POLY.flatten(offset, [], true);
@@ -876,7 +886,8 @@
             shellRough,
             shellOutline,
             facePolys,
-            thruHoles;
+            thruHoles,
+            wideCut = proc.camWideCutout;
 
         if (settings.stock.x + 0.00001 < bounds.max.x - bounds.min.x) {
             return ondone('stock X too small for part. disable stock or use offset stock');
@@ -1089,11 +1100,11 @@
                     createLevelPaths(slice, facePolys, roughToolDiam, proc.camRoughOver, pocketOnlyRough);
                     break;
                 case CPRO.ROUGH:
-                    createRoughPaths(slice, shellRough, roughToolDiam, camRoughStock, proc.camRoughOver, pocketOnlyRough, thruHoles);
+                    createRoughPaths(slice, shellRough, roughToolDiam, camRoughStock, proc.camRoughOver, pocketOnlyRough, thruHoles, wideCut);
                     if (addTabsRough) addCutoutTabs(slice, roughToolDiam);
                     break;
                 case CPRO.OUTLINE:
-                    createOutlinePaths(slice, shellOutline, outlineToolDiam, pocketOnlyOutline);
+                    createOutlinePaths(slice, shellOutline, outlineToolDiam, pocketOnlyOutline, wideCut);
                     if (addTabsOutline) addCutoutTabs(slice, outlineToolDiam);
                     if (traceToolProfile) findTracingPaths(widget, slice, traceTool, traceToolProfile);
                     break;

web/kiri/lang/en.js

@@ -357,6 +357,8 @@ kiri.lang['en-us'] = {
     ou_conv_l:      "milling direction\nuncheck for 'climb'",
     ou_depf_s:      "depth first",
     ou_depf_l:      "optimize pocket cuts\nwith depth priority",
+    ou_wide_s:      "wide cutout",
+    ou_wide_l:      "widen outside cutout paths\nfor deep cuts in hard material",
 
     // CAM STOCK
     cs_menu:        "stock",