From 9d885aae7a17b4fc731a41f6b1ac8840092b83ac Mon Sep 17 00:00:00 2001
From: Nivesh Rajbhandari
Date: Mon, 12 Mar 2012 17:06:05 -0700
Subject: Fixing snapping bugs in Selection, translate and rotate tools.

We should show snap marker on mouse move for selection tool prior to mousing down as well.
We should create drag plane parallel to the view and where the user moused down.

Signed-off-by: Nivesh Rajbhandari <mqg734@motorola.com>
---
 js/helper-classes/3D/snap-manager.js | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

(limited to 'js/helper-classes')

diff --git a/js/helper-classes/3D/snap-manager.js b/js/helper-classes/3D/snap-manager.js
index cf8a91db..1caacd00 100755
--- a/js/helper-classes/3D/snap-manager.js
+++ b/js/helper-classes/3D/snap-manager.js
@@ -1978,12 +1978,20 @@ var SnapManager = exports.SnapManager = Montage.create(Component, {
 	},
 
 	setupDragPlanes : {
-		value: function( hitRec ) {
+		value: function( hitRec, inGlobalMode ) {
 			// get the location of the point in stage world space
 			var elt = hitRec.getElt();
 			var localPt = hitRec.getLocalPoint();
 			var planeMat = hitRec.getPlaneMatrix();
-			var stageWorldPt = viewUtils.postViewToStageWorld( MathUtils.transformPoint(localPt,planeMat),  elt );
+            var stageWorldPt;
+            if(inGlobalMode)
+            {
+                stageWorldPt = MathUtils.transformPoint(localPt,planeMat);
+            }
+            else
+            {
+                stageWorldPt = viewUtils.postViewToStageWorld( MathUtils.transformPoint(localPt,planeMat),  elt );
+            }
 
 			/*
 			 // get a working plane parallel to the current working plane through the stage world point
-- 
cgit v1.2.3


From 44669fc4401eeb8a211b7485d2c20015fc6c477e Mon Sep 17 00:00:00 2001
From: Nivesh Rajbhandari
Date: Tue, 13 Mar 2012 15:22:57 -0700
Subject: Fixed drawing of multiple selection bounds when in flat case.

Signed-off-by: Nivesh Rajbhandari <mqg734@motorola.com>
---
 js/helper-classes/3D/draw-utils.js | 136 +++++++++++--------------------------
 1 file changed, 39 insertions(+), 97 deletions(-)

(limited to 'js/helper-classes')

diff --git a/js/helper-classes/3D/draw-utils.js b/js/helper-classes/3D/draw-utils.js
index 59da411f..1c00f7ea 100755
--- a/js/helper-classes/3D/draw-utils.js
+++ b/js/helper-classes/3D/draw-utils.js
@@ -721,8 +721,17 @@ var DrawUtils = exports.DrawUtils = Montage.create(Component, {
 	drawSelectionBounds : {
 		value: function( eltArray ) {
 			this._selectionCtr = null;
+            var len = eltArray.length,
+                i,
+                j,
+                bounds,
+                bounds3D,
+                pt,
+                tmpPt,
+                ssMat,
+                elt;
 			
-			if (eltArray.length == 0)  return;
+			if (len === 0)  return;
 			var context = this._drawingContext;
 			if (!context)  return;
 
@@ -731,18 +740,19 @@ var DrawUtils = exports.DrawUtils = Montage.create(Component, {
 			context.lineWidth = 2;
 
 			// handle the single element case
-			if (eltArray.length == 1)
+            // TODO - Currently, the stage draws its own selection bounds for single selection case
+			if (len === 1)
 			{
 				// single selection case
 				//console.log( "single selection" );
 
-				var elt = eltArray[0];
+				elt = eltArray[0];
 
 				this.viewUtils.pushViewportObj( elt );
 
 				// get the element bounds in world space
-				var bounds3D = this.viewUtils.getElementViewBounds3D( elt );
-				for (var j=0;  j<4;  j++) {
+				bounds3D = this.viewUtils.getElementViewBounds3D( elt );
+				for (j=0;  j<4;  j++) {
 					bounds3D[j] = this.viewUtils.localToGlobal( bounds3D[j],  elt );
 				}
 
@@ -766,19 +776,12 @@ var DrawUtils = exports.DrawUtils = Montage.create(Component, {
 			}
 			else
 			{
-				// the multiple selection case.
-				//console.log( "multiple selection" );
-
-				// we set the root to "the world".
-				var saveRoot = this.viewUtils.getRootElement();
-				this.viewUtils.setRootElement( this.viewUtils.getStageElement() );
-
 				// get the plane from the first element to compare against the other elements
 				var flat = true;
 				var plane = this.viewUtils.getElementPlane( eltArray[0] );
-				for (var i=1;  i<eltArray.length;  i++)
+				for (i=1;  i<len;  i++)
 				{
-					var elt = eltArray[i];
+					elt = eltArray[i];
 					var plane2 = this.viewUtils.getElementPlane( elt );
 					var dot = MathUtils.dot3(plane,plane2);
 					if (MathUtils.fpCmp(dot, 1) != 0)
@@ -796,34 +799,23 @@ var DrawUtils = exports.DrawUtils = Montage.create(Component, {
 					}
 				}
 
-				// construct a matrix from world space to 'plane' space
-				var ptOnPlane = this.viewUtils.localToGlobal( [0,0,0], eltArray[0]);
-				var planeToWorld = this.getPlaneToWorldMatrix( plane, ptOnPlane );
-				//var worldToPlane = planeToWorld.inverse();
-				var worldToPlane = glmat4.inverse(planeToWorld, []);
-
-                var ssMat = this.viewUtils.getLocalToGlobalMatrix( this._sourceSpaceElt );
 				// if all the elements share the same plane, draw the 2D rectangle
 				if (flat)
 				{
 					// make a 2D rectangle on the plane
 					var rect;
-					for (var i=0;  i<eltArray.length;  i++)
+					for (i=0;  i<len;  i++)
 					{
-						var elt = eltArray[i];
+						elt = eltArray[i];
 
 						// get the element bounds in 'plane' space
-						var bounds = this.viewUtils.getElementViewBounds3D( elt );
-						for (var j=0;  j<4;  j++)
+						bounds = this.viewUtils.getElementViewBounds3D( elt );
+                        ssMat = this.viewUtils.getLocalToGlobalMatrix( elt );
+						for (j=0;  j<4;  j++)
 						{
-//							var gPt = MathUtils.makeDimension4( this.viewUtils.localToGlobal( bounds[j],  elt ) );
-//							//var pt = worldToPlane.multiply( gPt );
-//							var pt    = glmat4.multiplyVec3( worldToPlane, gPt, [] );
-//							var tmpPt = glmat4.multiplyVec3( planeToWorld,  pt, [] );
-
                             var localPt = bounds[j];
-                            var tmpPt = this.viewUtils.localToGlobal2(localPt, ssMat);
-                            var pt = glmat4.multiplyVec3( worldToPlane, tmpPt, [] );
+                            tmpPt = this.viewUtils.localToGlobal2(localPt, ssMat);
+                            pt = tmpPt;
 
 							if (!rect)
 							{
@@ -837,30 +829,18 @@ var DrawUtils = exports.DrawUtils = Montage.create(Component, {
 						}
 					}
 
-					// restore the rootct
-					this.viewUtils.setRootElement (saveRoot );
-
-					// draw the reectangle
+					// draw the rectangle
 					context.beginPath();
 
-					var pt4 = MathUtils.makeDimension4(rect.getPoint(3));
-					var viewPt = glmat4.multiplyVec3( planeToWorld, pt4, [] );
-					MathUtils.makeDimension3( viewPt );
-//					var pt = this.viewUtils.localToGlobal( viewPt, this._sourceSpaceElt );
-					var pt = this.viewUtils.localToGlobal2(viewPt, ssMat);
+                    pt = MathUtils.makeDimension3(rect.getPoint(3));
 
-					var bounds3D = [[0,0], [0,0], [0,0], [0,0]];
+					bounds3D = [[0,0], [0,0], [0,0], [0,0]];
 					this._selectionCtr = pt.slice(0);
 
 					context.moveTo( pt[0],  pt[1] );
-					for (var i=0;  i<4;  i++)
+					for (i=0;  i<4;  i++)
 					{
-						pt4 = MathUtils.makeDimension4(rect.getPoint(i));
-						//viewPt = planeToWorld.multiply( pt4 );
-						viewPt = glmat4.multiplyVec3( planeToWorld, pt4, [] );
-						MathUtils.makeDimension3( viewPt );
-//						pt = this.viewUtils.localToGlobal( viewPt, this._sourceSpaceElt );
-						pt = this.viewUtils.localToGlobal2( viewPt, ssMat );
+                        pt = rect.getPoint(i);
 						context.lineTo( pt[0],  pt[1] );
 						bounds3D[i] = pt.slice(0);
 					}
@@ -870,8 +850,6 @@ var DrawUtils = exports.DrawUtils = Montage.create(Component, {
 					var dir = vecUtils.vecSubtract(2, bounds3D[1], bounds3D[3]);
 					var ctr = vecUtils.vecNormalize(2, dir, vecUtils.vecDist(2, bounds3D[1], bounds3D[3])/2);
 
-//					this._selectionCtr[0] += ctr[0] - window.stageManager.userContentLeft;
-//					this._selectionCtr[1] += ctr[1] - window.stageManager.userContentTop;
 					this._selectionCtr[0] += ctr[0] - this.application.ninja.stage.userContentLeft;
 					this._selectionCtr[1] += ctr[1] - this.application.ninja.stage.userContentTop;
 				}
@@ -879,16 +857,19 @@ var DrawUtils = exports.DrawUtils = Montage.create(Component, {
 				{
 					var minPt,  maxPt;
 
-					for (var i=0;  i<eltArray.length;  i++)
+                    // we set the root to "the world".
+                    var saveRoot = this.viewUtils.getRootElement();
+                    this.viewUtils.setRootElement( this.viewUtils.getStageElement() );
+                    ssMat = this.viewUtils.getLocalToGlobalMatrix( this._sourceSpaceElt );
+
+					for (i=0;  i<len;  i++)
 					{
-						var elt = eltArray[i];
-						var bounds = this.viewUtils.getElementViewBounds3D( elt );
+						elt = eltArray[i];
+						bounds = this.viewUtils.getElementViewBounds3D( elt );
                         var eltMat = this.viewUtils.getLocalToGlobalMatrix( elt );
-						for (var j=0;  j<4;  j++)
+						for (j=0;  j<4;  j++)
 						{
-							//var pt = worldToPlane.multiply( MathUtils.makeDimension4( this.viewUtils.localToGlobal( bounds[j],  elt )) );
-//							var pt = this.viewUtils.localToGlobal( bounds[j],  elt );
-							var pt = this.viewUtils.localToGlobal2( bounds[j],  eltMat );
+							pt = this.viewUtils.localToGlobal2( bounds[j],  eltMat );
 							if (!minPt)
 							{
 								minPt = pt.slice(0);
@@ -925,15 +906,6 @@ var DrawUtils = exports.DrawUtils = Montage.create(Component, {
 
 					// get the 8 corners of the parallelpiped in world space
 					var wc = new Array();   // wc == world cube
-//					wc.push(  this.viewUtils.localToGlobal( [x0,y0,z1], this._sourceSpaceElt ) );
-//					wc.push(  this.viewUtils.localToGlobal( [x0,y1,z1], this._sourceSpaceElt ) );
-//					wc.push(  this.viewUtils.localToGlobal( [x1,y1,z1], this._sourceSpaceElt ) );
-//					wc.push(  this.viewUtils.localToGlobal( [x1,y0,z1], this._sourceSpaceElt ) );
-//					wc.push(  this.viewUtils.localToGlobal( [x0,y0,z0], this._sourceSpaceElt ) );
-//					wc.push(  this.viewUtils.localToGlobal( [x0,y1,z0], this._sourceSpaceElt ) );
-//					wc.push(  this.viewUtils.localToGlobal( [x1,y1,z0], this._sourceSpaceElt ) );
-//					wc.push(  this.viewUtils.localToGlobal( [x1,y0,z0], this._sourceSpaceElt ) );
-
                     wc.push(  this.viewUtils.localToGlobal2( [x0,y0,z1], ssMat ) );
 					wc.push(  this.viewUtils.localToGlobal2( [x0,y1,z1], ssMat ) );
 					wc.push(  this.viewUtils.localToGlobal2( [x1,y1,z1], ssMat ) );
@@ -944,17 +916,11 @@ var DrawUtils = exports.DrawUtils = Montage.create(Component, {
 					wc.push(  this.viewUtils.localToGlobal2( [x1,y0,z0], ssMat ) );
 
 					// determine the signs of the normals of the faces relative to the view direction.
-					//var front   = -MathUtils.fpSign(  MathUtils.cross(wc[2].subtract(wc[1]), wc[0].subtract(wc[1]))[2] ),
 					var front	= -MathUtils.fpSign( vecUtils.vecCross(3, vecUtils.vecSubtract(3,wc[2],wc[1]), vecUtils.vecSubtract(3,wc[0],wc[1]))[2] ),
-						//right   = -MathUtils.fpSign(  MathUtils.cross(wc[6].subtract(wc[2]), wc[3].subtract(wc[2]))[2] ),
 						right   = -MathUtils.fpSign( vecUtils.vecCross(3, vecUtils.vecSubtract(3,wc[6],wc[2]), vecUtils.vecSubtract(3,wc[3],wc[2]))[2] ),
-						//back    = -MathUtils.fpSign(  MathUtils.cross(wc[5].subtract(wc[6]), wc[7].subtract(wc[6]))[2] ),
 						back    = -MathUtils.fpSign( vecUtils.vecCross(3, vecUtils.vecSubtract(3,wc[5],wc[6]), vecUtils.vecSubtract(3,wc[7],wc[6]))[2] ),
-						//left    = -MathUtils.fpSign( MathUtils.cross(wc[1].subtract(wc[5]), wc[4].subtract(wc[5]))[2] ),
 						left    = -MathUtils.fpSign( vecUtils.vecCross(3, vecUtils.vecSubtract(3,wc[1],wc[5]), vecUtils.vecSubtract(3,wc[4],wc[5]))[2] ),
-						//top     = -MathUtils.fpSign( MathUtils.cross(wc[3].subtract(wc[0]), wc[4].subtract(wc[0]))[2] ),
 						top     = -MathUtils.fpSign( vecUtils.vecCross(3, vecUtils.vecSubtract(3,wc[3],wc[0]), vecUtils.vecSubtract(3,wc[4],wc[0]))[2] ),
-						//bottom  = -MathUtils.fpSign( MathUtils.cross(wc[5].subtract(wc[1]), wc[2].subtract(wc[1]))[2] );
 						bottom  = -MathUtils.fpSign( vecUtils.vecCross(3, vecUtils.vecSubtract(3,wc[5],wc[1]), vecUtils.vecSubtract(3,wc[2],wc[1]))[2] );
 
 					// draw the side faces
@@ -963,8 +929,6 @@ var DrawUtils = exports.DrawUtils = Montage.create(Component, {
 					//context.strokeStyle = ((front > 0) || (right > 0)) ? dark : light;  context.beginPath();
 					if ((front > 0) || (right > 0)) {
 						context.beginPath();
-//						p = this.viewUtils.localToGlobal( [x1, y0, z1], this._sourceSpaceElt );  context.moveTo( p[0], p[1] );
-//						p = this.viewUtils.localToGlobal( [x1, y1, z1], this._sourceSpaceElt );  context.lineTo( p[0], p[1] );
 						p = this.viewUtils.localToGlobal2( [x1, y0, z1], ssMat );  context.moveTo( p[0], p[1] );
 						p = this.viewUtils.localToGlobal2( [x1, y1, z1], ssMat );  context.lineTo( p[0], p[1] );
 						context.closePath();  context.stroke();
@@ -973,8 +937,6 @@ var DrawUtils = exports.DrawUtils = Montage.create(Component, {
 					//context.strokeStyle = ((right > 0) || (back > 0)) ? dark : light;  context.beginPath();
 					if ((right > 0) || (back > 0)) {
 						context.beginPath();
-//						p = this.viewUtils.localToGlobal( [x1, y0, z0], this._sourceSpaceElt );  context.moveTo( p[0], p[1] );
-//						p = this.viewUtils.localToGlobal( [x1, y1, z0], this._sourceSpaceElt );  context.lineTo( p[0], p[1] );
                         p = this.viewUtils.localToGlobal2( [x1, y0, z0], ssMat );  context.moveTo( p[0], p[1] );
 						p = this.viewUtils.localToGlobal2( [x1, y1, z0], ssMat );  context.lineTo( p[0], p[1] );
 						context.closePath();  context.stroke();
@@ -983,8 +945,6 @@ var DrawUtils = exports.DrawUtils = Montage.create(Component, {
 					//context.strokeStyle = ((back > 0) || (left > 0)) ? dark : light;  context.beginPath();
 					if ((back > 0) || (left > 0)) {
 						context.beginPath();
-//						p = this.viewUtils.localToGlobal( [x0, y0, z0], this._sourceSpaceElt );  context.moveTo( p[0], p[1] );
-//						p = this.viewUtils.localToGlobal( [x0, y1, z0], this._sourceSpaceElt );  context.lineTo( p[0], p[1] );
 						p = this.viewUtils.localToGlobal2( [x0, y0, z0], ssMat );  context.moveTo( p[0], p[1] );
 						p = this.viewUtils.localToGlobal2( [x0, y1, z0], ssMat );  context.lineTo( p[0], p[1] );
 						context.closePath();  context.stroke();
@@ -993,8 +953,6 @@ var DrawUtils = exports.DrawUtils = Montage.create(Component, {
 					//context.strokeStyle = ((left > 0) || (front > 0)) ? dark : light;  context.beginPath();
 					if ((left > 0) || (front > 0)) {
 						context.beginPath();
-//						p = this.viewUtils.localToGlobal( [x0, y0, z1], this._sourceSpaceElt );  context.moveTo( p[0], p[1] );
-//						p = this.viewUtils.localToGlobal( [x0, y1, z1], this._sourceSpaceElt );  context.lineTo( p[0], p[1] );
 						p = this.viewUtils.localToGlobal2( [x0, y0, z1], ssMat );  context.moveTo( p[0], p[1] );
 						p = this.viewUtils.localToGlobal2( [x0, y1, z1], ssMat );  context.lineTo( p[0], p[1] );
 						context.closePath();  context.stroke();
@@ -1004,8 +962,6 @@ var DrawUtils = exports.DrawUtils = Montage.create(Component, {
 					//context.strokeStyle = ((front > 0) || (top > 0)) ? dark : light;  context.beginPath();
 					if ((front > 0) || (top > 0)) {
 						context.beginPath();
-//						p = this.viewUtils.localToGlobal( [x0, y0, z1], this._sourceSpaceElt );  context.moveTo( p[0], p[1] );
-//						p = this.viewUtils.localToGlobal( [x1, y0, z1], this._sourceSpaceElt );  context.lineTo( p[0], p[1] );
 						p = this.viewUtils.localToGlobal2( [x0, y0, z1], ssMat );  context.moveTo( p[0], p[1] );
 						p = this.viewUtils.localToGlobal2( [x1, y0, z1], ssMat );  context.lineTo( p[0], p[1] );
 						context.closePath();  context.stroke();
@@ -1014,8 +970,6 @@ var DrawUtils = exports.DrawUtils = Montage.create(Component, {
 					//context.strokeStyle = ((top > 0) || (back > 0)) ? dark : light;  context.beginPath();
 					if ((top > 0) || (back > 0)) {
 						context.beginPath();
-//						p = this.viewUtils.localToGlobal( [x0, y0, z0], this._sourceSpaceElt );  context.moveTo( p[0], p[1] );
-//						p = this.viewUtils.localToGlobal( [x1, y0, z0], this._sourceSpaceElt );  context.lineTo( p[0], p[1] );
 						p = this.viewUtils.localToGlobal2( [x0, y0, z0], ssMat );  context.moveTo( p[0], p[1] );
 						p = this.viewUtils.localToGlobal2( [x1, y0, z0], ssMat );  context.lineTo( p[0], p[1] );
 						context.closePath();  context.stroke();
@@ -1024,8 +978,6 @@ var DrawUtils = exports.DrawUtils = Montage.create(Component, {
 					//context.strokeStyle = ((back > 0) || (bottom > 0)) ? dark : light;  context.beginPath();
 					if ((back > 0) || (bottom > 0)) {
 						context.beginPath();
-//						p = this.viewUtils.localToGlobal( [x0, y1, z0], this._sourceSpaceElt );  context.moveTo( p[0], p[1] );
-//						p = this.viewUtils.localToGlobal( [x1, y1, z0], this._sourceSpaceElt );  context.lineTo( p[0], p[1] );
 						p = this.viewUtils.localToGlobal2( [x0, y1, z0], ssMat );  context.moveTo( p[0], p[1] );
 						p = this.viewUtils.localToGlobal2( [x1, y1, z0], ssMat );  context.lineTo( p[0], p[1] );
 						context.closePath();  context.stroke();
@@ -1034,8 +986,6 @@ var DrawUtils = exports.DrawUtils = Montage.create(Component, {
 					//context.strokeStyle = ((bottom > 0) || (front > 0)) ? dark : light;  context.beginPath();
 					if ((bottom > 0) || (front > 0)) {
 						context.beginPath();
-//						p = this.viewUtils.localToGlobal( [x0, y1, z1], this._sourceSpaceElt );  context.moveTo( p[0], p[1] );
-//						p = this.viewUtils.localToGlobal( [x1, y1, z1], this._sourceSpaceElt );  context.lineTo( p[0], p[1] );
 						p = this.viewUtils.localToGlobal2( [x0, y1, z1], ssMat );  context.moveTo( p[0], p[1] );
 						p = this.viewUtils.localToGlobal2( [x1, y1, z1], ssMat );  context.lineTo( p[0], p[1] );
 						context.closePath();  context.stroke();
@@ -1044,8 +994,6 @@ var DrawUtils = exports.DrawUtils = Montage.create(Component, {
 					// and the remaining lines - varying Z
 					if ((top > 0) || (right > 0)) {
 						context.beginPath();
-//						p = this.viewUtils.localToGlobal( [x1, y0, z0], this._sourceSpaceElt );  context.moveTo( p[0], p[1] );
-//						p = this.viewUtils.localToGlobal( [x1, y0, z1], this._sourceSpaceElt );  context.lineTo( p[0], p[1] );
 						p = this.viewUtils.localToGlobal2( [x1, y0, z0], ssMat );  context.moveTo( p[0], p[1] );
 						p = this.viewUtils.localToGlobal2( [x1, y0, z1], ssMat );  context.lineTo( p[0], p[1] );
 						context.closePath();  context.stroke();
@@ -1054,8 +1002,6 @@ var DrawUtils = exports.DrawUtils = Montage.create(Component, {
 					//context.strokeStyle = ((right > 0) || (bottom > 0)) ? dark : light;  context.beginPath();
 					if ((right > 0) || (bottom > 0)) {
 						context.beginPath();
-//						p = this.viewUtils.localToGlobal( [x1, y1, z0], this._sourceSpaceElt );  context.moveTo( p[0], p[1] );
-//						p = this.viewUtils.localToGlobal( [x1, y1, z1], this._sourceSpaceElt );  context.lineTo( p[0], p[1] );
 						p = this.viewUtils.localToGlobal2( [x1, y1, z0], ssMat );  context.moveTo( p[0], p[1] );
 						p = this.viewUtils.localToGlobal2( [x1, y1, z1], ssMat );  context.lineTo( p[0], p[1] );
 						context.closePath();  context.stroke();
@@ -1064,8 +1010,6 @@ var DrawUtils = exports.DrawUtils = Montage.create(Component, {
 					//context.strokeStyle = ((bottom > 0) || (left > 0)) ? dark : light;  context.beginPath();
 					if ((bottom > 0) || (left > 0)) {
 						context.beginPath();
-//						p = this.viewUtils.localToGlobal( [x0, y1, z0], this._sourceSpaceElt );  context.moveTo( p[0], p[1] );
-//						p = this.viewUtils.localToGlobal( [x0, y1, z1], this._sourceSpaceElt );  context.lineTo( p[0], p[1] );
 						p = this.viewUtils.localToGlobal2( [x0, y1, z0], ssMat );  context.moveTo( p[0], p[1] );
 						p = this.viewUtils.localToGlobal2( [x0, y1, z1], ssMat );  context.lineTo( p[0], p[1] );
 						context.closePath();  context.stroke();
@@ -1074,8 +1018,6 @@ var DrawUtils = exports.DrawUtils = Montage.create(Component, {
 					//context.strokeStyle = ((left > 0) || (top > 0)) ? dark : light;  context.beginPath();
 					if ((left > 0) || (top > 0)) {
 						context.beginPath();
-//						p = this.viewUtils.localToGlobal( [x0, y0, z0], this._sourceSpaceElt );  context.moveTo( p[0], p[1] );
-//						p = this.viewUtils.localToGlobal( [x0, y0, z1], this._sourceSpaceElt );  context.lineTo( p[0], p[1] );
 						p = this.viewUtils.localToGlobal2( [x0, y0, z0], ssMat );  context.moveTo( p[0], p[1] );
 						p = this.viewUtils.localToGlobal2( [x0, y0, z1], ssMat );  context.lineTo( p[0], p[1] );
 						context.closePath();  context.stroke();
-- 
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