transform -> position

js/lib/src/BlockUtils/Block.js

@@ -460,22 +460,22 @@ class Block {
         );
       });
 
-      // To display surfaces like 2D planes or iso-surfaces whatever
+      // For displaying surfaces like 2D planes or iso-surfaces whatever
       // the point of view
       mesh.material.side = THREE.DoubleSide;
 
+      mesh.material.alphaTest = 0.1;
+
       // Set wireframe status and shading
       if (mesh.type !== 'LineSegments' && mesh.type !== 'Points') {
         mesh.material.wireframe = this._wireframe;
         mesh.material.flatShading = !this._wireframe;
       } else {
         mesh.material.wireframe = false;
-        // Why ?
-        // mesh.material.shading = THREE.SmoothShading;
       }
 
       // Get isoColor node
-      mesh.material.transform = position;
+      mesh.material.position = position;
       mesh.material.alpha = alpha;
       mesh.material.color = color;
       mesh.material.build();

js/lib/src/BlockUtils/DataBlock.js

@@ -62,9 +62,6 @@ class DataBlock extends Block {
       this._material._colorVaryingNodes = [];
       this._material._alphaVaryingNodes = [];
 
-      // Disable backface culling (to fix display issues with planes)
-      this._material.side = THREE.DoubleSide;
-
       // Initialize mesh position/rotation/scale
       this._meshes.push(
         new THREE.Mesh(this._bufferGeometry, this._material)

js/lib/src/BlockUtils/PlugInBlock.js

@@ -587,8 +587,8 @@ class PlugInBlock extends Block {
 
     let setCustomVarCall = new Nodes.FunctionCallNode(setCustomVar);
 
-    if (this._meshes[0].material.transform) {
-      setCustomVarCall.inputs.pos = this._meshes[0].material.transform;
+    if (this._meshes[0].material.position) {
+      setCustomVarCall.inputs.pos = this._meshes[0].material.position;
     } else {
       setCustomVarCall.inputs.pos = new Nodes.PositionNode();
     }

js/lib/src/BlockUtils/PlugIns/IsoSurfaceUtils.js

@@ -33,7 +33,6 @@ class IsoSurfaceUtils {
     this._Emax = undefined;
 
     this.surfaceMaterial = block.getCurrentMaterial();
-    this.surfaceMaterial.side = THREE.DoubleSide;
   }
 
   _createTree (array, value = 'min') {