public static LineItem AddPoints(this GraphPane myPane, PointPairList ppl, Color color, string title = "")
{
if (ppl.Count > 0)
{
LineItem curve = myPane.AddCurve(title, ppl, color, SymbolType.Diamond);
curve.Symbol.Size = 8;
curve.Symbol.Fill = new Fill(color);
curve.Symbol.Border.IsVisible = false;
curve.Line.IsVisible = false;
return curve;
}
return null;
}
public static LineItem AddPoints(this GraphPane myPane, PointPairList ppl, Color color, Color[] colors, string title = "")
{
if (ppl.Count > 0)
{
LineItem curve = myPane.AddCurve(title, ppl, color, SymbolType.Diamond);
curve.Symbol.Size = 8;
curve.Symbol.Fill = new Fill(colors)
{
Type = FillType.GradientByColorValue,
RangeMin = 0,
RangeMax = colors.Length - 1,
SecondaryValueGradientColor = Color.Black
};
curve.Symbol.Border.IsVisible = false;
curve.Line.IsVisible = false;
return curve;
}
return null;
}
/// <summary>
/// Adds a curve that intersects with the specified <paramref name="points"/> to the path with the given <paramref name="tension"/>
/// </summary>
/// <param name="path">Path to add the curve to</param>
/// <param name="tension">Tension between points in the curve. Should be between 0 (no curve) and 1 (more curve)</param>
/// <param name="points">Points that intersect with the curve</param>
public static void AddCurve (this IGraphicsPath path, float tension, params PointF[] points)
{
path.AddCurve (points, tension);
}
/// <summary>
/// Adds a curve that intersects with the specified <paramref name="points"/> to the path
/// </summary>
/// <param name="path">Path to add the curve to</param>
/// <param name="points">Points that define where the curve intersects</param>
public static void AddCurve (this IGraphicsPath path, params PointF[] points)
{
path.AddCurve (points);
}
public static void DrawProbabilityRange(this GraphPane panel, double maxX, List<double> ratios)
{
var skipCount = ratios.Count / 20;
var keptRatios = ratios.Skip(skipCount).ToList().Take(ratios.Count - 2 * skipCount).ToList();
if (keptRatios.Count > 1)
{
var mean = Statistics.Mean(keptRatios);
var sd = Statistics.StandardDeviation(keptRatios);
var nd = new Normal(mean, sd);
PointPairList pplMean = new PointPairList();
pplMean.Add(new PointPair(0, mean));
pplMean.Add(new PointPair(maxX, mean));
LineItem meanLine = panel.AddCurve(MyConvert.Format("Mean={0:0.0000}, Sigma={1:0.0000}", mean, sd), pplMean, Color.Red, SymbolType.None);
meanLine.Line.IsVisible = true;
var prob90range = nd.GetProb90Range();
PointPairList pplMin90 = new PointPairList();
pplMin90.Add(new PointPair(0, prob90range.First));
pplMin90.Add(new PointPair(maxX, prob90range.First));
LineItem min95Line = panel.AddCurve("90% Confidence", pplMin90, Color.Brown, SymbolType.None);
min95Line.Line.IsVisible = true;
PointPairList pplMax90 = new PointPairList();
pplMax90.Add(new PointPair(0, prob90range.Second));
pplMax90.Add(new PointPair(maxX, prob90range.Second));
LineItem max95Line = panel.AddCurve("", pplMax90, Color.Brown, SymbolType.None);
max95Line.Line.IsVisible = true;
}
}
public static void AddIndividualLine(this GraphPane myPane, String title, PointPairList list, Color? defaultColor = null, Color? tagColor = null, int tagFontSize = 10, DashStyle dStyle = DashStyle.Solid)
{
int index = 0;
Color defaultLineColor = defaultColor.HasValue ? defaultColor.Value : Color.Black;
Color defaultTagColor = tagColor.HasValue ? tagColor.Value : Color.Green;
list.ForEach(pt =>
{
var ppl = new PointPairList();
ppl.Add(new PointPair(pt.X, 0));
ppl.Add(pt);
Color curColor = pt.Tag == null ? defaultLineColor : defaultTagColor;
LineItem line;
if (index == 0)
{
line = myPane.AddCurve(title, ppl, curColor, SymbolType.None);
index++;
}
else
{
line = myPane.AddCurve("", ppl, curColor, SymbolType.None);
}
line.Line.Style = dStyle;
if (pt.Tag != null)
{
TextObj text = new TextObj(pt.Tag.ToString(), pt.X, pt.Y, CoordType.AxisXYScale, AlignH.Left, AlignV.Center);
text.ZOrder = ZOrder.A_InFront;
// Hide the border and the fill
text.FontSpec.Border.IsVisible = false;
text.FontSpec.Fill.IsVisible = false;
text.FontSpec.Angle = 90; //字体倾斜度
text.FontSpec.Size = tagFontSize;
text.FontSpec.FontColor = curColor;
myPane.GraphObjList.Add(text);
}
});
}
