4-5-isosurface.md

@@ -2,7 +2,7 @@
 
 > NOTE:  
 This guide can also be applied to the visualization of any 3D iso-level surface of any variable,  
-which uses **_3D Volume_** layer.
+which uses **_3D Scalar Field_** layer.
 
 ![](img/4-5-isosurface.png)
 
@@ -18,8 +18,8 @@ Open your data file(s), using _Open Data_ buttons on the _Home_ menu category of
 
 In order to visualize the distribution of wind speed, you can either
 
-* click the _Add 3D Volume_ button on _Layer_ menu category, select options, and then click "OK", or 
-* find '_wind speed_' in _Derived Variables_ on _Variables Pane_, right-click it and select _'Add 3D Volume'_. 
+* click the _Add 3D Scalar Field_ button on _Layer_ menu category, select options, and then click "OK", or 
+* find '_wind speed_' in _Derived Variables_ on _Variables Pane_, right-click it and select _'Add 3D Scalar Field'_. 
 
 _Rendering Pane_ will immediately display the vector field of wind, and a new layer will be added to the _Layers Pane_. 
 
@@ -29,7 +29,7 @@ Double click the vertical _Color Bar_ on the right-hand side of _Rendering Pane_
 
 ##### 4. Change the visualization style - isosurface vs. volume vs. slices (optional).
 
-On _3D Volume_ menu category of _Menu Bar_, you can select one of the following visualization styles:
+On _3D Scalar Field_ menu category of _Menu Bar_, you can select one of the following visualization styles:
 
 * 3D Isosurface : show distribution using iso-level surfaces in 3D
 * 3D Volume : show distribution using 3D volumetric rendering