The map area filled with green color is called Trail, it represents the area that was effectively applied during agricultural operation. For example, area sown with soybeans, area sprayed with pesticides or area in which a fertilizer was applied.
Trail area is filled according to the configured implement width, which is graphically represented by the implement bar drawn behind the machine triangle. When the trail is over a not yet applied area the filling color is light green. If an area has been applied more than once, then the green filling color becomes darker with each new pass, indicating that there was an overlap.
In the two images below, examples of trails are shown, in 3D and 2D perspectives. The area marked with 
represents the first application trail, while an overlap occur in the area marked with 
.
Trail – 3D perspective
Trail – 2D perspective
