fix z clear and ordering on index command

src/geo/point.js

@@ -45,6 +45,16 @@ class Point {
         return this;
     }
 
+    setX(x) {
+        this.x = x;
+        return this;
+    }
+
+    setY(y) {
+        this.y = y;
+        return this;
+    }
+
     setZ(z) {
         this.z = z;
         return this;

src/kiri-mode/cam/client.js

@@ -515,7 +515,7 @@ CAM.init = function(kiri, api) {
             let inside = true;
             let popped = false;
             let poprec = popOp[rec.type];
-            if (type === 'index' & indexing && !rec.disabled) {
+            if (type === 'index' && indexing && !rec.disabled) {
                 index = rec.absolute ? rec.degrees : index + rec.degrees;
             }
             el.rec = rec;
@@ -819,9 +819,9 @@ CAM.init = function(kiri, api) {
         iw = int.object.widget;
         ic = int.point;
         // only near vertical faces
-        if (Math.abs(n.z) > 0.3) {
-            return;
-        }
+        // if (Math.abs(n.z) > 0.3) {
+        //     return;
+        // }
         showTab = createTabBox(iw, ic, n);
     };
     func.tabHoverUp = function(int) {

src/kiri-mode/cam/ops.js

@@ -49,17 +49,20 @@ class OpIndex extends CamOp {
         if (!state.isIndexed) {
             throw 'index op requires indexed stock';
         }
-        state.setAxisIndex(op.degrees, op.absolute);
+        this.degrees = state.setAxisIndex(op.degrees, op.absolute);
     }
 
     prepare(ops, progress) {
-        const { lastPoint, zmax, camOut, stock } = ops;
-        // max point of stock corner radius when rotating (safe z when indexing)
-        const last = lastPoint();
+        const { lastPoint, zmax, zclear, camOut, stock } = ops;
+        let last = lastPoint();
         if (last) {
-            const rzmax = (Math.max(stock.y, stock.z) * Math.sqrt(2)) / 2;
+            // max point of stock corner radius when rotating (safe z when indexing)
+            const rzmax = (Math.max(stock.y, stock.z) * Math.sqrt(2)) / 2 + zclear;
             const zmove = Math.max(rzmax, zmax);
-            camOut(last.clone().setZ(zmove), 0);
+            // move above rotating stock
+            camOut(last = last.clone().setZ(zmove), 0);
+            // issue rotation command
+            camOut(last = last.clone().setY(0).setA(this.degrees), 0);
         }
     }
 }

src/kiri-mode/cam/prepare.js

@@ -453,6 +453,7 @@ function prepEach(widget, settings, print, firstPoint, update) {
         emitDrills,
         emitTrace,
         bounds,
+        zclear,
         zmax,
         lastPoint: () => { return lastPoint }
     };

src/kiri-mode/cam/slice.js

@@ -146,6 +146,7 @@ CAM.slice = async function(settings, widget, onupdate, ondone) {
         axisIndex = absolute ? degrees : axisIndex + degrees;
         axisRotation = (Math.PI / 180) * axisIndex;
         widget.setAxisIndex(isIndexed ? -axisIndex : 0);
+        return isIndexed ? -axisIndex : 0;
     }
 
     function addPolyIndexing(poly, a) {