The plateau defines plains at certain elevations on the land.
Click the Plato icon in the ribbon menu .
In addition , a toolbar named Route Sections will appear next to the field toolbar on the screen .
The Route Sections toolbar contains icons for drawing straight, circular and polygonal curved contours. When defining the plateau, these icons are used according to the need.
Move the mouse over the terrain you defined earlier.
Click the corners of the plateau on the drawing screen, respectively. Write the elevation of the point you clicked in the Jeans box on the toolbar at the moment of clicking.
When you define the contour of the plateau and reach the point where you started, the process will be completed.