add min sizing for poly cleanup in more cases

js/geo-polygons.js

@@ -62,21 +62,24 @@ var gs_base_polygons = exports;
         return poly;
     };
 
-    function fromClipperTree(tnode, z, tops, parent) {
+    function fromClipperTree(tnode, z, tops, parent, minarea) {
         var polys = tops || [],
-            poly;
+            poly,
+            min = minarea || 0.1;
 
         tnode.m_Childs.forEach(function(child) {
             poly = fromClipperNode(child, z);
             // throw out all tiny polygons
-            if (poly.area() < 0.1) return;
+            if (poly.area() < min) {
+                return;
+            }
             if (parent) {
                 parent.addInner(poly);
             } else {
                 polys.push(poly);
             }
             if (child.m_Childs) {
-                fromClipperTree(child, z, polys, parent ? null : poly);
+                fromClipperTree(child, z, polys, parent ? null : poly, minarea);
             }
         });
 
@@ -298,7 +301,7 @@ var gs_base_polygons = exports;
 
             if (clip.Execute(ctyp.ctDifference, ctre, cfil.pftEvenOdd, cfil.pftEvenOdd)) {
                 cleanClipperTree(ctre);
-                filter(fromClipperTree(ctre, z), outA);
+                filter(fromClipperTree(ctre, z, null, null, min), outA);
             }
         }
 
@@ -313,7 +316,7 @@ var gs_base_polygons = exports;
 
             if (clip.Execute(ctyp.ctDifference, ctre, cfil.pftEvenOdd, cfil.pftEvenOdd)) {
                 cleanClipperTree(ctre);
-                filter(fromClipperTree(ctre, z), outB);
+                filter(fromClipperTree(ctre, z, null, null, min), outB);
             }
         }
 
@@ -416,7 +419,7 @@ var gs_base_polygons = exports;
      * @param {Function} [collector] receives output of each pass
      * @returns {Polygon[]} last offset
      */
-    function expand(polys, distance, z, out, count, distance2, collector) {
+    function expand(polys, distance, z, out, count, distance2, collector, min) {
         // prepare alignments for clipper lib
         alignWindings(polys);
         polys.forEach(function(poly) {
@@ -440,7 +443,7 @@ var gs_base_polygons = exports;
         });
 
         coff.Execute(ctre, distance * fact);
-        polys = fromClipperTree(ctre, z);
+        polys = fromClipperTree(ctre, z, null, null, min);
 
         if (out) out.appendAll(polys);
         if (collector) collector(polys, count);

js/kiri-driver-sla.js

@@ -167,7 +167,7 @@ let gs_kiri_sla = exports;
             }, "slice");
             forSlices(slices, 10, (slice) => {
                 if (slice.synth) return;
-                slice.doDiff(0.00001, 0.005, !process.slaOpenBase);
+                slice.doDiff(0.000001, 0.005, !process.slaOpenBase);
             }, "delta");
             if (solidLayers) {
                 forSlices(slices, 10, (slice) => {

js/kiri-init.js

@@ -1484,10 +1484,10 @@ var gs_kiri_init = exports;
 
             slaSupport:          UC.newGroup(LANG.sa_supp_m, null, {modes:SLA, group:"sla-support"}),
             slaSupportLayers:    UC.newInput(LANG.sa_slyr_s, {title:LANG.sa_slyr_l, convert:UC.toInt, bound:UC.bound(5,100), modes:SLA}),
+            slaSupportGap:       UC.newInput(LANG.sa_slgp_s, {title:LANG.sa_slgp_l, convert:UC.toInt, bound:UC.bound(3,30), modes:SLA, expert:true}),
             slaSupportDensity:   UC.newInput(LANG.sa_sldn_s, {title:LANG.sa_sldn_l, convert:UC.toFloat, bound:UC.bound(0.01,0.9), modes:SLA}),
             slaSupportSize:      UC.newInput(LANG.sa_slsz_s, {title:LANG.sa_slsz_l, convert:UC.toFloat, bound:UC.bound(0.1,1), modes:SLA}),
             slaSupportPoints:    UC.newInput(LANG.sa_slpt_s, {title:LANG.sa_slpt_l, convert:UC.toInt, bound:UC.bound(3,10), modes:SLA, expert:true}),
-            slaSupportGap:       UC.newInput(LANG.sa_slgp_s, {title:LANG.sa_slgp_l, convert:UC.toInt, bound:UC.bound(3,30), modes:SLA, expert:true}),
             slaSupportEnable:    UC.newBoolean(LANG.enable, onBooleanClick, {title:LANG.sl_slen_l, modes:SLA}),
 
             slaOutput:           UC.newGroup(LANG.sa_outp_m, null, {modes:SLA, group:"sla-first"}),

js/kiri-slice.js

@@ -881,8 +881,8 @@ let gs_kiri_slice = exports;
         if (expand) {
             top.bridges = [];
             bottom.flats = [];
-            POLY.expand(bridges, expand, top.z, top.bridges, 1);
+            POLY.expand(bridges, expand, top.z, top.bridges, 1, null, null, 0.0001);
-            POLY.expand(flats, expand, top.z, bottom.flats, 1);
+            POLY.expand(flats, expand, top.z, bottom.flats, 1, null, null, 0.0001);
         } else {
             top.bridges = bridges;
             bottom.flats = flats;

web/kiri/lang/en.js

@@ -428,16 +428,16 @@ kiri.lang['en-us'] = {
     sa_iflw_l:      "hatch line width\nin millimeters",
 
     sa_supp_m:      "support",
-    sa_slyr_s:      "layers",
+    sa_slyr_s:      "base layers",
     sa_slyr_l:      "base support layers\nvalue range 0-10",
+    sa_slgp_s:      "gap layers",
+    sa_slgp_l:      "number of layers between\nraft and bottom of object",
     sa_sldn_s:      "density",
     sa_sldn_l:      "used to compute the\nnumber of support pillars\n0.0-1.0 (0 = disable)",
     sa_slsz_s:      "size",
     sa_slsz_l:      "max size of a\nsupport pillar\nin millimeters",
     sa_slpt_s:      "points",
     sa_slpt_l:      "number of points in\neach support pillar\nin millimeters",
-    sa_slgp_s:      "gap layers",
-    sa_slgp_l:      "number of layers between\nraft and bottom of object",
     sl_slen_l:      "enable supports",
 
     sa_outp_m:      "output",