/// <summary>
/// Gets the coordinates used to draw ticks and tick labels (numbers or category names).
/// </summary>
/// <param name="majorLabelValues">The major label values.</param>
/// <param name="majorTickValues">The major tick values.</param>
/// <param name="minorTickValues">The minor tick values.</param>
public override void GetTickValues(
out IList <double> majorLabelValues, out IList <double> majorTickValues, out IList <double> minorTickValues)
{
var minimum = this.StartAngle / this.Scale;
var maximum = this.EndAngle / this.Scale;
minorTickValues = AxisUtilities.CreateTickValues(minimum, maximum, this.ActualMinorStep);
majorTickValues = AxisUtilities.CreateTickValues(minimum, maximum, this.ActualMajorStep);
majorLabelValues = AxisUtilities.CreateTickValues(this.Minimum, this.Maximum, this.ActualMajorStep);
}
/// <summary>
/// Creates <see cref="DateTime" /> tick values.
/// </summary>
/// <param name="min">The min.</param>
/// <param name="max">The max.</param>
/// <param name="interval">The interval.</param>
/// <param name="intervalType">The interval type.</param>
/// <returns>A list of <see cref="DateTime" /> tick values.</returns>
private IList <double> CreateDateTimeTickValues(
double min, double max, double interval, DateTimeIntervalType intervalType)
{
// If the step size is more than 7 days (e.g. months or years) we use a specialized tick generation method that adds tick values with uneven spacing...
if (intervalType > DateTimeIntervalType.Days)
{
return(this.CreateDateTickValues(min, max, interval, intervalType));
}
// For shorter step sizes we use the method from Axis
return(AxisUtilities.CreateTickValues(min, max, interval));
}
/// <inheritdoc/>
public override void GetTickValues(out IList <double> majorLabelValues, out IList <double> majorTickValues, out IList <double> minorTickValues)
{
var axisRect = new OxyRect(this.ScreenMin, this.ScreenMax);
var distanceTopLeft = axisRect.TopLeft.DistanceTo(this.MidPoint);
var distanceTopRight = axisRect.TopRight.DistanceTo(this.MidPoint);
var distanceBottomRight = axisRect.BottomRight.DistanceTo(this.MidPoint);
var distanceBottomLeft = axisRect.BottomLeft.DistanceTo(this.MidPoint);
var maxDistance = Math.Max(distanceTopLeft, distanceTopRight);
maxDistance = Math.Max(maxDistance, distanceBottomRight);
maxDistance = Math.Max(maxDistance, distanceBottomLeft);
var actualMaximum = this.InverseTransform(maxDistance);
majorTickValues = AxisUtilities.CreateTickValues(this.ActualMinimum, actualMaximum, this.ActualMajorStep);
minorTickValues = AxisUtilities.CreateTickValues(this.ActualMinimum, actualMaximum, this.ActualMinorStep);
minorTickValues = AxisUtilities.FilterRedundantMinorTicks(majorTickValues, minorTickValues);
majorLabelValues = majorTickValues;
}