Пример #1
0
func (b *QuartPlot) Plot(da plot.DrawArea, plt *plot.Plot) {
	trX, trY := plt.Transforms(&da)
	x := trX(b.Location)
	if !da.ContainsX(x) {
		return
	}
	x += b.Offset

	med := plot.Pt(x, trY(b.Median))
	q1 := trY(b.Quartile1)
	q3 := trY(b.Quartile3)
	aLow := trY(b.AdjLow)
	aHigh := trY(b.AdjHigh)

	da.StrokeLine2(b.WhiskerStyle, x, aHigh, x, q3)
	if da.ContainsY(med.Y) {
		da.DrawGlyphNoClip(b.MedianStyle, med)
	}
	da.StrokeLine2(b.WhiskerStyle, x, aLow, x, q1)

	ostyle := b.MedianStyle
	ostyle.Radius = b.MedianStyle.Radius / 2
	for _, out := range b.Outside {
		y := trY(b.Value(out))
		if da.ContainsY(y) {
			da.DrawGlyphNoClip(ostyle, plot.Pt(x, y))
		}
	}
}
Пример #2
0
// Plot implements the plot.Plotter interface.
func (g *Grid) Plot(da plot.DrawArea, plt *plot.Plot) {
	trX, trY := plt.Transforms(&da)

	if g.Vertical.Color == nil {
		goto horiz
	}
	for _, tk := range plt.X.Tick.Marker(plt.X.Min, plt.X.Max) {
		if tk.IsMinor() {
			continue
		}
		x := trX(tk.Value)
		da.StrokeLine2(g.Vertical, x, da.Min.Y, x, da.Min.Y+da.Size.Y)
	}

horiz:
	if g.Horizontal.Color == nil {
		return
	}
	for _, tk := range plt.Y.Tick.Marker(plt.Y.Min, plt.Y.Max) {
		if tk.IsMinor() {
			continue
		}
		y := trY(tk.Value)
		da.StrokeLine2(g.Horizontal, da.Min.X, y, da.Min.X+da.Size.X, y)
	}
}
Пример #3
0
// Thumbnail the thumbnail for the Line,
// implementing the plot.Thumbnailer interface.
func (pts *Line) Thumbnail(da *plot.DrawArea) {
	if pts.ShadeColor != nil {
		points := []plot.Point{
			{da.Min.X, da.Min.Y},
			{da.Min.X, da.Max().Y},
			{da.Max().X, da.Max().Y},
			{da.Max().X, da.Min.Y},
		}
		poly := da.ClipPolygonY(points)
		da.FillPolygon(*pts.ShadeColor, poly)

		points = append(points, plot.Pt(da.Min.X, da.Min.Y))
	} else {
		y := da.Center().Y
		da.StrokeLine2(pts.LineStyle, da.Min.X, y, da.Max().X, y)
	}
}
Пример #4
0
func (b HorizQuartPlot) Plot(da plot.DrawArea, plt *plot.Plot) {
	trX, trY := plt.Transforms(&da)
	y := trY(b.Location)
	if !da.ContainsY(y) {
		return
	}

	med := plot.Pt(trX(b.Median), y)
	q1 := trX(b.Quartile1)
	q3 := trX(b.Quartile3)
	aLow := trX(b.AdjLow)
	aHigh := trX(b.AdjHigh)

	da.StrokeLine2(b.WhiskerStyle, aHigh, y, q3, y)
	da.DrawGlyph(b.MedianStyle, med)
	da.StrokeLine2(b.WhiskerStyle, aLow, y, q1, y)

	ostyle := b.MedianStyle
	ostyle.Radius = b.MedianStyle.Radius / 2
	for _, out := range b.Outside {
		x := trX(b.Value(out))
		da.DrawGlyph(ostyle, plot.Pt(x, y))
	}
}
Пример #5
0
// Thumbnail draws a line in the given style down the
// center of a DrawArea as a thumbnail representation
// of the LineStyle of the function.
func (f Function) Thumbnail(da *plot.DrawArea) {
	y := da.Center().Y
	da.StrokeLine2(f.LineStyle, da.Min.X, y, da.Max().X, y)
}
Пример #6
0
func (l *LineThumbnailer) Thumbnail(da *plot.DrawArea) {
	y := da.Center().Y
	da.StrokeLine2(l.LineStyle, da.Min.X, y, da.Max().X, y)
}
Пример #7
0
// Thumbnail the thumbnail for the Line,
// implementing the plot.Thumbnailer interface.
func (pts *Line) Thumbnail(da *plot.DrawArea) {
	y := da.Center().Y
	da.StrokeLine2(pts.LineStyle, da.Min.X, y, da.Max().X, y)
}
Пример #8
0
// drawCap draws the cap if it is not clipped.
func (e *YErrorBars) drawCap(da *plot.DrawArea, x, y vg.Length) {
	if !da.Contains(plot.Pt(x, y)) {
		return
	}
	da.StrokeLine2(e.LineStyle, x-e.CapWidth/2, y, x+e.CapWidth/2, y)
}
Пример #9
0
// drawCap draws the cap if it is not clipped.
func (e *XErrorBars) drawCap(da *plot.DrawArea, x, y vg.Length) {
	if !da.Contains(plot.Point{x, y}) {
		return
	}
	da.StrokeLine2(e.LineStyle, x, y-e.CapWidth/2, x, y+e.CapWidth/2)
}