Set the map to the position and zoom level you require.
Click the button on the toolbar and then draw a
rectangle on the map where you want to compute the gradient.
Set the gradient properties in the Gradient Style Settings
pane and click OK
The following figure shows an example of the Gradient
Style Settings.
Gradient Style Settings pane
The color-coded gradient is displayed in the rectangle
you have drawn and a Gradient layer is added to the Map Layers pane.
You can change the colors of the Slope data displayed using the Color Model property.
Note
To access the Color Model property,
you must have the Show Advanced Properties option active (Options>Show
Advanced Properties).