/// <summary>
/// Returning a brush based on a value
/// </summary>
/// <param name="z">Actual value</param>
/// <param name="zmin">Minimum</param>
/// <param name="zmax">Maximum</param>
/// <param name="cm">A colormap object</param>
/// <returns></returns>
public static SolidColorBrush GetBrush(double z, double zmin, double zmax, ColormapBrush cm, double opacity = 1)
{
SolidColorBrush brush = new SolidColorBrush();
int colorIndex = (int)(((cm.Ydivisions - 1) * (z - zmin) + zmax - z) / (zmax - zmin));
if (colorIndex < 0)
{
colorIndex = 0;
}
if (colorIndex >= cm.Ydivisions)
{
colorIndex = cm.Ydivisions - 1;
}
if (cm.ColormapBrushes == null || cm.ColormapBrushes.Count == 0)
{
cm.CalculateColormapBrushes(opacity);
}
brush = (SolidColorBrush)cm.ColormapBrushes[colorIndex].Brush;
brush.Freeze();
return(brush);
}
