diff --git a/js/API/LatticeAPI.js b/js/API/LatticeAPI.js
index c9746c1ba49ecae86451f9088dcbd30023532cd9..e69600a54b78e58e89b4ccedb1bef4d256af6223 100644
--- a/js/API/LatticeAPI.js
+++ b/js/API/LatticeAPI.js
@@ -26,7 +26,7 @@ define(['lattice', 'plist'], function(lattice){
         },
 
         getBoundingBox: function(){
-            return lattice.calculateBoundingBox();
+            return lattice.getBoundingBox();
         },
 
         getAspectRatio: function(){
diff --git a/js/lattice/LatticeBase.js b/js/lattice/LatticeBase.js
index 531797953fe7f2363d1b119bec86c56ae3bbf551..e10080238b2be84629736d30734a28eef131fc6d 100644
--- a/js/lattice/LatticeBase.js
+++ b/js/lattice/LatticeBase.js
@@ -32,15 +32,13 @@ define(['underscore', 'backbone', 'appState', 'globals', 'plist', 'three', 'thre
         //getters
 
         getSize: function(){
-            var bBox = this.calculateBoundingBox();
-            return bBox.max.sub(bBox.min).add(new THREE.Vector3(1,1,1));
+            return this.get("cellMax").clone().sub(this.get("cellsMin"));
         },
 
         getBoundingBox: function(){
-            return this.calculateBoundingBox();
+            return {min: this.get("cellsMin"), max:this.get("cellsMax")};
         },
 
-
         getNumCells: function(){
             return this.get("numCells");
         },
@@ -530,45 +528,45 @@ define(['underscore', 'backbone', 'appState', 'globals', 'plist', 'three', 'thre
             return {x:xScale, y:yScale, z:zScale};
         },
 
-        _parseSparseCell: function(){
-
-            this.cells = [[[null]]];
-
-            console.log("parse cells");
-
-            if (this.get("numCells") == 0) {
-                console.warn("no cells in assembly");
-                this.cells = [[[null]]];
-                return;
-            }
-
-            var bounds = this.calculateBoundingBox();
-            this.set("cellsMin", bounds.min.clone().add(this.get("cellsMin")));
-            var size = bounds.max.sub(bounds.min);
-
-            //create array of nulls
-            var cells = [];
-            for (var x=0;x<size.x;x++){
-                cells.push([]);
-                for (var y=0;y<size.y;y++){
-                    cells[x].push([]);
-                    for (var z=0;z<size.z;z++){
-                        cells[x][y].push(null);
-                    }
-                }
-            }
-
-            var min = this.get("cellsMin").sub(bounds.min);
-            var overlap = [];
-            var forCAM = appState.get("currentNav") == "navAssemble";
-            this._loopCells(this.sparseCells, function(cell){
-                var overlappingCells = cell.addToDenseArray(cells, min, forCAM);
-                if (overlappingCells) overlap = overlap.concat(overlappingCells);
-            });
-            this.set("overlappingCells", overlap);
-
-            this.cells = cells;
-        },
+//        _parseSparseCell: function(){
+//
+//            this.cells = [[[null]]];
+//
+//            console.log("parse cells");
+//
+//            if (this.get("numCells") == 0) {
+//                console.warn("no cells in assembly");
+//                this.cells = [[[null]]];
+//                return;
+//            }
+//
+//            var bounds = this.calculateBoundingBox();
+//            this.set("cellsMin", bounds.min.clone().add(this.get("cellsMin")));
+//            var size = bounds.max.sub(bounds.min);
+//
+//            //create array of nulls
+//            var cells = [];
+//            for (var x=0;x<size.x;x++){
+//                cells.push([]);
+//                for (var y=0;y<size.y;y++){
+//                    cells[x].push([]);
+//                    for (var z=0;z<size.z;z++){
+//                        cells[x][y].push(null);
+//                    }
+//                }
+//            }
+//
+//            var min = this.get("cellsMin").sub(bounds.min);
+//            var overlap = [];
+//            var forCAM = appState.get("currentNav") == "navAssemble";
+//            this._loopCells(this.sparseCells, function(cell){
+//                var overlappingCells = cell.addToDenseArray(cells, min, forCAM);
+//                if (overlappingCells) overlap = overlap.concat(overlappingCells);
+//            });
+//            this.set("overlappingCells", overlap);
+//
+//            this.cells = cells;
+//        },
 
         highlightOverlappingCells: function(){
             this._loopCells(this.sparseCells, function(cell){