/// <summary>
/// Creates a projection that returns the percentage of the viewport time aggregation is consumed by this
/// <see cref="double"/>.
/// </summary>
/// <param name="percentColumn">
/// Percentage projection returning a double.
/// </param>
/// <returns>
/// Percent of value consumed by delta in the given viewport projection.
/// </returns>
public static IProjection <int, double> Create(IProjection <int, double> percentColumn)
{
Guard.NotNull(percentColumn, nameof(percentColumn));
var percentColumnAggregate
= Projection.AggregateInViewport <double, double>(percentColumn);
var columnRelativeToViewport
= Percent.Create(percentColumn, percentColumnAggregate);
return(columnRelativeToViewport);
}
/// <summary>
/// Creates a projection that returns the percentage of the viewport time aggregation consumed by this
/// <see cref="TimestampDelta"/>.
/// </summary>
/// <param name="timestampDeltaColumn">
/// Timestamp delta.
/// </param>
/// <returns>
/// Percent of time consumed by delta in the given viewport projection.
/// </returns>
public static IProjection <int, double> Create(
IProjection <int, TimestampDelta> timestampDeltaColumn)
{
Guard.NotNull(timestampDeltaColumn, nameof(timestampDeltaColumn));
var aggregateRowsInViewportColumn
= Projection.AggregateInViewport <TimestampDelta, TimestampDelta>(timestampDeltaColumn);
var columnRelativeToViewport
= Percent.Create(timestampDeltaColumn, aggregateRowsInViewportColumn);
return(columnRelativeToViewport);
}
