/// <summary>
/// Generates an array of DataDimensions that this DataPresenter provides.
/// Since the provider only stores indices to the DataSet instead of actual references,
/// this list needs to be generated by accessing the DataSet.
/// </summary>
/// <returns>The resulting array of DataDimensions.</returns>
protected virtual DataDimension[] GetDimensionsArray()
{
var d = new DataDimension[_dataDimensionsIndices.Length];
for (int i = 0; i < _dataDimensionsIndices.Length; i++)
{
d[i] = _dataProvider.Data[_dataDimensionsIndices[i]];
}
return(d);
}
/// <summary>
/// Generates labels from the values of a single data dimension.
/// The method will select automatically if the axis is numerical or categorical.
/// If the label intervall was set to zero, all numerical axes will be threated as categorical.
/// </summary>
/// <param name="dataDim">The data dimension from which to generate the labels.</param>
/// <param name="minItem">At which item index the axis should start. Detault is 0.</param>
/// <param name="maxItem">At which item index the axis should end. A value of -1 means all of them. Default value is -1.</param>
/// <returns>The generated list of axis ticks.</returns>
public virtual AxisTick[] GenerateFromDimension(DataDimension dataDim, int minItem = 0, int maxItem = -1)
{
_labelTickIntervall = Mathf.Max(1, _labelTickIntervall);
if (dataDim is INumericalDimension numDim && _tickIntervall > 0 && !_isCategorical)
{
// how many ticks can we fit between 0.0f and 1.0f given the tick intervall
// if the calculation is converted directly to int in one command, there seem to be sometimes imprecision errors. Need to investigate further.
float t = 1.0f / _tickIntervall;
int tickCount = (int)t;
return(GenerateNumerical(0, numDim.MaximumFloatValue, tickCount));
}
