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Golang Canvas.ClipLinesY方法代码示例

本文整理汇总了Golang中github.com/skiesel/plot/vg/draw.Canvas.ClipLinesY方法的典型用法代码示例。如果您正苦于以下问题:Golang Canvas.ClipLinesY方法的具体用法?Golang Canvas.ClipLinesY怎么用?Golang Canvas.ClipLinesY使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在github.com/skiesel/plot/vg/draw.Canvas的用法示例。


在下文中一共展示了Canvas.ClipLinesY方法的4个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Golang代码示例。

示例1: Plot

// Plot implements the plot.Plotter interface.
func (b *BarChart) Plot(c draw.Canvas, plt *plot.Plot) {
	trCat, trVal := plt.Transforms(&c)
	if b.Horizontal {
		trCat, trVal = trVal, trCat
	}

	for i, ht := range b.Values {
		catVal := b.XMin + float64(i)
		catMin := trCat(float64(catVal))
		if !b.Horizontal {
			if !c.ContainsX(catMin) {
				continue
			}
		} else {
			if !c.ContainsY(catMin) {
				continue
			}
		}
		catMin = catMin - b.Width/2 + b.Offset
		catMax := catMin + b.Width
		bottom := b.stackedOn.BarHeight(i)
		valMin := trVal(bottom)
		valMax := trVal(bottom + ht)

		var pts []draw.Point
		var poly []draw.Point
		if !b.Horizontal {
			pts = []draw.Point{
				{catMin, valMin},
				{catMin, valMax},
				{catMax, valMax},
				{catMax, valMin},
			}
			poly = c.ClipPolygonY(pts)
		} else {
			pts = []draw.Point{
				{valMin, catMin},
				{valMin, catMax},
				{valMax, catMax},
				{valMax, catMin},
			}
			poly = c.ClipPolygonX(pts)
		}
		c.FillPolygon(b.Color, poly)

		var outline [][]draw.Point
		if !b.Horizontal {
			pts = append(pts, draw.Point{X: catMin, Y: valMin})
			outline = c.ClipLinesY(pts)
		} else {
			pts = append(pts, draw.Point{X: valMin, Y: catMin})
			outline = c.ClipLinesX(pts)
		}
		c.StrokeLines(b.LineStyle, outline...)
	}
}
开发者ID:skiesel,项目名称:plot,代码行数:57,代码来源:barchart.go

示例2: Plot

// Plot implements the Plotter interface, drawing labels.
func (e *YErrorBars) Plot(c draw.Canvas, p *plot.Plot) {
	trX, trY := p.Transforms(&c)
	for i, err := range e.YErrors {
		x := trX(e.XYs[i].X)
		ylow := trY(e.XYs[i].Y - math.Abs(err.Low))
		yhigh := trY(e.XYs[i].Y + math.Abs(err.High))

		bar := c.ClipLinesY([]draw.Point{{x, ylow}, {x, yhigh}})
		c.StrokeLines(e.LineStyle, bar...)
		e.drawCap(&c, x, ylow)
		e.drawCap(&c, x, yhigh)
	}
}
开发者ID:skiesel,项目名称:plot,代码行数:14,代码来源:errbars.go

示例3: Thumbnail

// Thumbnail fulfills the plot.Thumbnailer interface.
func (b *BarChart) Thumbnail(c *draw.Canvas) {
	pts := []draw.Point{
		{c.Min.X, c.Min.Y},
		{c.Min.X, c.Max.Y},
		{c.Max.X, c.Max.Y},
		{c.Max.X, c.Min.Y},
	}
	poly := c.ClipPolygonY(pts)
	c.FillPolygon(b.Color, poly)

	pts = append(pts, draw.Point{X: c.Min.X, Y: c.Min.Y})
	outline := c.ClipLinesY(pts)
	c.StrokeLines(b.LineStyle, outline...)
}
开发者ID:skiesel,项目名称:plot,代码行数:15,代码来源:barchart.go

示例4: Plot

func (b *BoxPlotWithConfidenceIntervals) Plot(c draw.Canvas, plt *plot.Plot) {
	if b.Horizontal {
		panic("not handling horizontal BoxPlotWithConfidenceIntervals")
	}

	b.BoxPlot.Plot(c, plt)

	trX, trY := plt.Transforms(&c)
	x := trX(b.Location)
	if !c.ContainsX(x) {
		return
	}
	x += b.Offset

	mean, err, _ := meanAndConf95(b.Values)

	meanLength := trY(mean)
	lowLength := trY(mean - err)
	highLength := trY(mean + err)

	confidenceVertices := []draw.Point{
		{x - b.Width/4, lowLength},
		{x + b.Width/4, lowLength},
		{x + b.Width/4, highLength},
		{x - b.Width/4, highLength},
	}
	confidencePoly := c.ClipPolygonY(confidenceVertices)
	gray := color.RGBA{200, 200, 200, 255}
	c.FillPolygon(gray, confidencePoly)

	meanLine := c.ClipLinesY([]draw.Point{
		{x - b.Width/4, meanLength},
		{x + b.Width/4, meanLength},
	})

	meanStyle := b.BoxStyle
	meanStyle.Color = color.RGBA{150, 150, 150, 255}
	c.StrokeLines(meanStyle, meanLine...)
}
开发者ID:skiesel,项目名称:plot,代码行数:39,代码来源:boxplot.go


注:本文中的github.com/skiesel/plot/vg/draw.Canvas.ClipLinesY方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。