private static ITheme CreateCategorialTheme(Legend legend, Ranges <int> ranges)
{
int numberOfClasses = ranges.ranges.Count; //legend.ranges.Count;
Color[] colors = new Color[numberOfClasses];
float[] positions = new float[numberOfClasses];
List <IComparable> values = new List <IComparable>();
string attribute = legend.columnName;
VectorStyle defaultStyle = null;
List <string> categories = new List <string>();
int i = 0;
foreach (Range <int> range in ranges.ranges)
{
categories.Add(range.description);
colors[i] = range.color;
positions[i] = ((float)i) / (numberOfClasses - 1);
values.Add(range.intMaxValue);
i++;
}
ColorBlend blend = new ColorBlend(colors, positions);
CategorialTheme theme = ThemeFactory.CreateCategorialTheme(attribute, defaultStyle, blend, numberOfClasses,
values, categories);
return(theme);
}