Update 4 2 vertical scalar field

4-2-vertical-scalar-field.md

@@ -5,7 +5,14 @@ This guide can also be applied to the visualization of any scalar field on verti
 
 ![](img/4-2-vertical-scalar-field.png)
 
-You do this..
+##### 1. Open data file.
+
+##### 2. Load the temperature variable and show it on a layer.
+
+##### 3. Change the settings for color mapping (if necessary).
+
+##### 4. Change the visualization settings - contour vs. raster (if necessary).
+
 
 
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