make coordinate system widget use coordinate system instead of basis

modules/scene/objects/transform.js

@@ -9,6 +9,25 @@ export function setBasisToObject3D(obj, basis, depth) {
   obj.applyMatrix(mx);
 }
 
+export function setCadToViewMatrix(cadMatrix, threeMatrix) {
+  let cm = cadMatrix;
+  threeMatrix.set(
+    cm.mxx, cm.mxy, cm.mxz, cm.tx,
+    cm.myx, cm.myy, cm.myz, cm.ty,
+    cm.mzx, cm.mzy, cm.mzz, cm.tz,
+    0, 0, 0, 1
+  );
+}
+
+export function setCsysToViewMatrix(csys, threeMatrix) {
+  threeMatrix.set(
+    csys.x.x, csys.y.x, csys.z.x, csys.origin.x,
+    csys.x.y, csys.y.y, csys.z.y, csys.origin.y,
+    csys.x.z, csys.y.z, csys.z.z, csys.origin.z,
+    0, 0, 0, 1
+  );
+}
+
 export function moveObject3D(obj, dir) {
   obj.position.add(dir)
 }

web/app/cad/scene/cadScene.js

@@ -5,6 +5,7 @@ import {OnTopOfAll} from 'scene/materialMixins';
 import {moveObject3D, setBasisToObject3D} from 'scene/objects/transform';
 
 import * as SceneGraph from 'scene/sceneGraph';
+import {setCsysToViewMatrix} from '../../../../modules/scene/objects/transform';
 
 export default class CadScene {
 
@@ -44,25 +45,27 @@ export default class CadScene {
     }
 
     this.basisGroup = SceneGraph.createGroup();
+    this.basisGroup.matrixAutoUpdate = false;
 
     let xAxis = createBasisArrow(new Vector(1, 0, 0), 0xFF0000);
     let yAxis = createBasisArrow(new Vector(0, 1, 0), 0x00FF00);
     SceneGraph.addToGroup(this.basisGroup, xAxis);
     SceneGraph.addToGroup(this.basisGroup, yAxis);
     SceneGraph.addToGroup(this.workGroup, this.basisGroup, yAxis);
-    this.hideBasis();
+    this.hideGlobalCsys();
   }
 
-  updateBasis(basis, depth) {
-    setBasisToObject3D(this.basisGroup, basis, depth);
+  updateGlobalCsys(csys) {
+    setCsysToViewMatrix(csys, this.basisGroup.matrix);
+    this.basisGroup.matrixWorldNeedsUpdate = true;
   }
 
-  showBasis(basis, depth) {
-    this.updateBasis(basis, depth);
+  showGlobalCsys(csys) {
+    this.updateGlobalCsys(csys);
     this.basisGroup.visible = true;
   }
 
-  hideBasis() {
+  hideGlobalCsys() {
     this.basisGroup.visible = false;
   }
 }

web/app/cad/scene/controls/pickControlPlugin.js

@@ -51,7 +51,7 @@ export function activate(context) {
       let modelId = view.model.id;
       if (kind === PICK_KIND.FACE) {
         if (dispatchSelection(streams.selection.face, modelId, event)) {
-          services.cadScene.showBasis(view.model.basis(), view.model.depth());
+          services.cadScene.showGlobalCsys(view.model.csys);
           return false;
         }
       } else if (kind === PICK_KIND.SKETCH) {