The Ranges tab of the Options form allows the user to specify:
- - the number of intervals for the variable depending from direction (e.g. wind speed, concentration, etc.);
- - the ranges of such intervals;
- - the colours for the representation;
- - if a legend must be displayed, its labels and the labels colour;
- - the legend title and its colour;
- - the legend position.

The coordinates of the legend are expressed with numbers between 0 and 1; (0,0) indicates a legend positioned in the lower left corner, while (1,1) indicates a legend positioned in the upper right corner.