protected override IEnumerable GetDataCore(DataSourceEnvironment environment)
{
if (XSequence == null || YSequence == null)
throw new InvalidOperationException(xAndYShouldNotBeNull);
IEnumerator<double> xEnumerator = XSequence.GetEnumerator();
IEnumerator<double> yEnumerator = YSequence.GetEnumerator();
double xMin = Double.MaxValue;
double xMax = Double.MinValue;
double yMin = Double.MaxValue;
double yMax = Double.MinValue;
while (xEnumerator.MoveNext() && yEnumerator.MoveNext())
{
double x = xEnumerator.Current;
double y = yEnumerator.Current;
if (x < xMin)
xMin = x;
if (x > xMax)
xMax = x;
if (y < yMin)
yMin = y;
if (y > yMax)
yMax = y;
yield return new Point(x, y);
}
environment.ContentBounds = new DataRect(new Point(xMin, yMin), new Point(xMax, yMax));
}
protected override IEnumerable GetDataCore(DataSourceEnvironment environment)
{
DataRect visible = environment.Visible;
DataRect realVisible = environment.RealVisible;
Rect output = environment.Output;
CoordinateTransform transform = environment.Transform;
double yMin = Double.PositiveInfinity;
double yMax = Double.NegativeInfinity;
double step = visible.Width / output.Width / SamplingRate;
for (double x = visible.XMin; x <= visible.XMax; x += step)
{
double dataX = x;
double viewportY = func(dataX);
if (realVisible.HorizontalRange.Contains(dataX))
{
if (viewportY < yMin)
yMin = viewportY;
if (viewportY > yMax)
yMax = viewportY;
}
yield return new Point(dataX, viewportY);
}
DataRect bounds = DataRect.Empty;
bounds.UnionY(yMin);
bounds.UnionY(yMax);
environment.ContentBounds = bounds;
}
protected override IEnumerable GetDataCore(DataSourceEnvironment environment)
{
var xmlElement = this.xmlElement;
do
{
yield return ((XmlText)xmlElement.FirstChild).Data;
xmlElement = (XmlElement)xmlElement.NextSibling;
}
while (xmlElement != null);
}
protected override IEnumerable GetDataCore(DataSourceEnvironment environment)
{
var xmlElement = this.xmlElement;
do
{
yield return(((XmlText)xmlElement.FirstChild).Data);
xmlElement = (XmlElement)xmlElement.NextSibling;
}while (xmlElement != null);
}
/// <summary>
/// Creates the environment.
/// </summary>
/// <param name="viewport">The viewport.</param>
/// <returns></returns>
public override DataSourceEnvironment CreateEnvironment(Viewport2D viewport)
{
DataSourceEnvironment result = new DataSourceEnvironment
{
Output = viewport.Output,
Visible = viewport.Visible,
RealVisible = viewport.Visible,
Transform = viewport.Transform
};
return result;
}
protected override IEnumerable GetDataCore(DataSourceEnvironment environment)
{
int width = dataSource.Width;
int height = dataSource.Height;
for (int ix = 0; ix < width; ix++)
{
for (int iy = 0; iy < height; iy++)
{
Point position = dataSource.Grid[ix, iy];
T data = dataSource.Data[ix, iy];
DataSource2DPiece <T> piece = new DataSource2DPiece <T> {
Position = position, Data = data
};
yield return(piece);
}
}
}
/// <summary>
/// Gets the data, used by marker chart.
/// </summary>
/// <param name="environment">The environment.</param>
/// <returns></returns>
public IEnumerable GetData(DataSourceEnvironment environment)
{
IEnumerable data = GetDataCore(environment);
return(data);
}
protected override IEnumerable GetDataCore(DataSourceEnvironment environment)
{
throw new NotImplementedException();
}
protected override IEnumerable GetDataCore(DataSourceEnvironment environment)
{
// todo possibly implement better logic here
return collection;
}
protected override IEnumerable GetDataCore(DataSourceEnvironment environment)
{
throw new NotImplementedException();
}
protected override IEnumerable GetDataCore(DataSourceEnvironment environment)
{
return(collection);
}
/// <summary>
/// Gets the point data, used by line chart.
/// </summary>
/// <param name="environment">The environment.</param>
/// <returns></returns>
public IEnumerable<Point> GetPointData(DataSourceEnvironment environment)
{
IEnumerable data = GetDataCore(environment);
return data.Cast<object>().Select(o => DataToPoint(o));
}
protected override IEnumerable GetDataCore(DataSourceEnvironment environment)
{
return(new CompositeEnumerable(parts));
}
protected override IEnumerable GetDataCore(DataSourceEnvironment environment)
{
// todo possibly implement better logic here
return(collection);
}
/// <summary> /// Core method for getting data. /// </summary> /// <param name="environment">The environment.</param> /// <returns></returns> protected abstract IEnumerable GetDataCore(DataSourceEnvironment environment);
/// <summary>
/// Gets the point data, used by line chart.
/// </summary>
/// <param name="environment">The environment.</param>
/// <returns></returns>
public IEnumerable <Point> GetPointData(DataSourceEnvironment environment)
{
IEnumerable data = GetDataCore(environment);
return(data.Cast <object>().Select(o => DataToPoint(o)));
}
public static IEnumerable<Point> GetPoints(this PointDataSourceBase dataSource, DataSourceEnvironment environment)
{
return dataSource.GetData(environment).Cast<object>().Select(o => dataSource.DataToPoint(o));
}
protected override IEnumerable GetDataCore(DataSourceEnvironment environment)
{
return collection;
}
protected override IEnumerable GetDataCore(DataSourceEnvironment environment)
{
return new CompositeEnumerable(parts);
}
protected override System.Collections.IEnumerable GetDataCore(DataSourceEnvironment environment)
{
yield return new Point();
yield return new Point();
}
/// <summary> /// Core method for getting data. /// </summary> /// <param name="environment">The environment.</param> /// <returns></returns> protected abstract IEnumerable GetDataCore(DataSourceEnvironment environment);
protected override IEnumerable GetDataCore(DataSourceEnvironment environment)
{
return Enumerable.Empty<Point>();
}
/// <summary>
/// Gets the data, used by marker chart.
/// </summary>
/// <param name="environment">The environment.</param>
/// <returns></returns>
public IEnumerable GetData(DataSourceEnvironment environment)
{
IEnumerable data = GetDataCore(environment);
return data;
}
