Results 
Select a layer 
- Go to the Results Map tab
 - Click on the arrow and select the layer to display
 

Select a map style 
- Click on the arrow and select the map style to display
 

Load visualization settings 
- Open the settings
 - Choose the field
 - Change the settings
 - Apply the changes
 - Save the new preset
 

Select a preset in edit mode 
- Click on the arrow and select the preset to display
 - Change the settings (see the section Change Visualization Settings)
 

Change Visualization Settings 
- Open the settings
 - Change the settings among different parameter to change the visual Explanation of the different parameters :
 

- MinWidth/maxWidth : Size of the element at the beggining/end of the scale
 - NumStep : Number of division inside the color scale
 - scale : Function used by the scale
 - Left side driving : use if the driving side of the country is left
 - show NaN : Show entity with no value for the chosen field
 - custom scale : use it to chose first and last value of the scale