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Golang Canvas.ClipLinesXY方法代码示例

本文整理汇总了Golang中github.com/gonum/plot/vg/draw.Canvas.ClipLinesXY方法的典型用法代码示例。如果您正苦于以下问题:Golang Canvas.ClipLinesXY方法的具体用法?Golang Canvas.ClipLinesXY怎么用?Golang Canvas.ClipLinesXY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/gonum/plot/vg/draw.Canvas的用法示例。


在下文中一共展示了Canvas.ClipLinesXY方法的5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 Plotter interface, drawing a line
// that connects each point in the Line.
func (f *Function) Plot(c draw.Canvas, p *plot.Plot) {
	trX, trY := p.Transforms(&c)

	d := (p.X.Max - p.X.Min) / float64(f.Samples-1)
	line := make([]draw.Point, f.Samples)
	for i := range line {
		x := p.X.Min + float64(i)*d
		line[i].X = trX(x)
		line[i].Y = trY(f.F(x))
	}

	// For every continuous block of non-NaN Y values, stroke lines
	for i := 0; i < len(line); i++ {
		if !math.IsNaN(float64(line[i].Y)) {
			j := i + 1
			for ; j < len(line); j++ {
				if math.IsNaN(float64(line[j].Y)) {
					break
				}
			}
			c.StrokeLines(f.LineStyle, c.ClipLinesXY(line[i:j])...)
			i = j
		}
	}
}
开发者ID:jcnnghm,项目名称:plot,代码行数:27,代码来源:functions.go

示例2: Plot

// Plot implements the Plotter interface, drawing a line
// that connects each point in the Line.
func (f *Function) Plot(c draw.Canvas, p *plot.Plot) {
	trX, trY := p.Transforms(&c)

	d := (p.X.Max - p.X.Min) / float64(f.Samples-1)
	line := make([]draw.Point, f.Samples)
	for i := range line {
		x := p.X.Min + float64(i)*d
		line[i].X = trX(x)
		line[i].Y = trY(f.F(x))
	}
	c.StrokeLines(f.LineStyle, c.ClipLinesXY(line)...)
}
开发者ID:nolenroyalty,项目名称:bangarang,代码行数:14,代码来源:functions.go

示例3: Plot

// Plot implements the Plotter interface, drawing a line
// that connects each point in the Line.
func (h *Histogram) Plot(c draw.Canvas, p *plot.Plot) {
	trX, trY := p.Transforms(&c)

	for _, bin := range h.Bins {
		pts := []draw.Point{
			{trX(bin.Min), trY(0)},
			{trX(bin.Max), trY(0)},
			{trX(bin.Max), trY(bin.Weight)},
			{trX(bin.Min), trY(bin.Weight)},
		}
		if h.FillColor != nil {
			c.FillPolygon(h.FillColor, c.ClipPolygonXY(pts))
		}
		pts = append(pts, draw.Point{trX(bin.Min), trY(0)})
		c.StrokeLines(h.LineStyle, c.ClipLinesXY(pts)...)
	}
}
开发者ID:nolenroyalty,项目名称:bangarang,代码行数:19,代码来源:histogram.go

示例4: Thumbnail

// Thumbnail draws a rectangle in the given style of the histogram.
func (h *Histogram) Thumbnail(c *draw.Canvas) {
	ymin := c.Min.Y
	ymax := c.Max.Y
	xmin := c.Min.X
	xmax := c.Max.X

	pts := []draw.Point{
		{xmin, ymin},
		{xmax, ymin},
		{xmax, ymax},
		{xmin, ymax},
	}
	if h.FillColor != nil {
		c.FillPolygon(h.FillColor, c.ClipPolygonXY(pts))
	}
	pts = append(pts, draw.Point{xmin, ymin})
	c.StrokeLines(h.LineStyle, c.ClipLinesXY(pts)...)
}
开发者ID:nolenroyalty,项目名称:bangarang,代码行数:19,代码来源:histogram.go

示例5: Plot

// Plot draws the Line, implementing the plot.Plotter
// interface.
func (pts *Line) Plot(c draw.Canvas, plt *plot.Plot) {
	trX, trY := plt.Transforms(&c)
	ps := make([]draw.Point, len(pts.XYs))

	for i, p := range pts.XYs {
		ps[i].X = trX(p.X)
		ps[i].Y = trY(p.Y)
	}

	if pts.ShadeColor != nil && len(ps) > 0 {
		c.SetColor(*pts.ShadeColor)
		minY := trY(plt.Y.Min)
		var pa vg.Path
		pa.Move(ps[0].X, minY)
		for i := range pts.XYs {
			pa.Line(ps[i].X, ps[i].Y)
		}
		pa.Line(ps[len(pts.XYs)-1].X, minY)
		pa.Close()
		c.Fill(pa)
	}

	c.StrokeLines(pts.LineStyle, c.ClipLinesXY(ps)...)
}
开发者ID:nolenroyalty,项目名称:bangarang,代码行数:26,代码来源:line.go


注:本文中的github.com/gonum/plot/vg/draw.Canvas.ClipLinesXY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。