plot

Documentation

Index

• Constants
• Variables
• func AddSeries(graph chart.Chart, series ...chart.Series) chart.Chart
• func CreateChart() chart.Chart
• func DefaultFont() *truetype.Font
• func GetDefaultFont() (*truetype.Font, error)
• func ImageContent(c chart.Chart) (string, error)
• func OpenImage(c chart.Chart) error
• func OpenURL(url string) error
• func Render(graph chart.Chart, code string)
• func SeriesIndex(s pandas.Series) []float64
• type Chart
  • func NewChart() *Chart
  • func (this *Chart) AddSeries(series ...chart.Series)
  • func (this *Chart) Output(name string) error
• type ContinuousSeries
• type Renderable
• type Series
• type Style
• type Tick
• type XAxis
• type YAxis

Constants

const (
	DotWidth = 3  // 点的宽度
	XTickMax = 50 // X轴刻度多个不会重叠
)

const (
	YAxisPrimary   = chart.YAxisPrimary   // 主要坐标
	YAxisSecondary = chart.YAxisSecondary // 次要坐标
)

const (
	// TickPositionUnset 表示使用默认的刻度位置
	TickPositionUnset = chart.TickPositionUnset
	// TickPositionBetweenTicks 上一个刻度和当前刻度之间的刻度绘制标签.
	TickPositionBetweenTicks = chart.TickPositionBetweenTicks
	// TickPositionUnderTick 在记号下方绘制记号.
	TickPositionUnderTick = chart.TickPositionUnderTick
)

const (
	// ResourcesPath 资源路径
	ResourcesPath = "fonts"
)

Variables

var (
	ColorRed   = drawing.Color{R: 0xFF, G: 0x00, B: 0x00, A: 0xFF} // 红色
	ColorGreen = drawing.Color{R: 0x00, G: 0xFF, B: 0x00, A: 0xFF} // 绿色
	ColorBlue  = drawing.Color{R: 0x00, G: 0x00, B: 0xFF, A: 0xFF} // 蓝色
	ColorBlack = drawing.Color{R: 51, G: 51, B: 51, A: 255}        // 黑色

	// ColorWhite is white.
	ColorWhite = drawing.Color{R: 255, G: 255, B: 255, A: 255}
	// ColorBlue is the basic theme blue color.
	//ColorBlue = drawing.Color{R: 0, G: 116, B: 217, A: 255}
	// ColorCyan is the basic theme cyan color.
	ColorCyan = drawing.Color{R: 0, G: 217, B: 210, A: 255}
	// ColorGreen is the basic theme green color.
	//ColorGreen = drawing.Color{R: 0, G: 217, B: 101, A: 255}
	// ColorRed is the basic theme red color.
	//ColorRed = drawing.Color{R: 217, G: 0, B: 116, A: 255}
	// ColorOrange is the basic theme orange color.
	ColorOrange = drawing.Color{R: 217, G: 101, B: 0, A: 255}
	// ColorYellow is the basic theme yellow color.
	ColorYellow = drawing.Color{R: 217, G: 210, B: 0, A: 255}
	// ColorBlack is the basic theme black color.
	//ColorBlack = drawing.Color{R: 51, G: 51, B: 51, A: 255}
	// ColorLightGray is the basic theme light gray color.
	ColorLightGray = drawing.Color{R: 239, G: 239, B: 239, A: 255}

	// ColorAlternateBlue is a alternate theme color.
	ColorAlternateBlue = drawing.Color{R: 106, G: 195, B: 203, A: 255}
	// ColorAlternateGreen is a alternate theme color.
	ColorAlternateGreen = drawing.Color{R: 42, G: 190, B: 137, A: 255}
	// ColorAlternateGray is a alternate theme color.
	ColorAlternateGray = drawing.Color{R: 110, G: 128, B: 139, A: 255}
	// ColorAlternateYellow is a alternate theme color.
	ColorAlternateYellow = drawing.Color{R: 240, G: 174, B: 90, A: 255}
	// ColorAlternateLightGray is a alternate theme color.
	ColorAlternateLightGray = drawing.Color{R: 187, G: 190, B: 191, A: 255}
	// ColorTransparent is a transparent (alpha zero) color.
	ColorTransparent = drawing.Color{R: 1, G: 1, B: 1, A: 0}
)

var (
	DashedLine = []float64{5.0, 5.0} // 虚线
)

Functions

func AddSeries

func AddSeries(graph chart.Chart, series ...chart.Series) chart.Chart

func CreateChart

func CreateChart() chart.Chart

CreateChart 创建一个默认的图标

func DefaultFont

func DefaultFont() *truetype.Font

DefaultFont 默认字体

func GetDefaultFont

func GetDefaultFont() (*truetype.Font, error)

GetDefaultFont returns the default font (Roboto-Medium).

func ImageContent

func ImageContent(c chart.Chart) (string, error)

func OpenImage

func OpenImage(c chart.Chart) error

OpenImage TODO: 打开chart有点问题, 原因可能是生成的URL过长

func OpenURL

func OpenURL(url string) error

OpenURL 用系统默认的浏览器打开一个url

func Render

func Render(graph chart.Chart, code string)

func SeriesIndex

func SeriesIndex(s pandas.Series) []float64

Types

type Chart

type Chart struct {
	chart.Chart
}

Chart 图表

func NewChart

func NewChart() *Chart

NewChart 创建默认的图表

func (*Chart) AddSeries

func (this *Chart) AddSeries(series ...chart.Series)

AddSeries 添加图表序列

func (*Chart) Output

func (this *Chart) Output(name string) error

Output 输出图表

type ContinuousSeries

type ContinuousSeries = chart.ContinuousSeries

type Renderable

type Renderable = chart.Renderable

type Series

type Series = chart.Series

type Style

type Style = chart.Style

type Tick

type Tick = chart.Tick

type XAxis

type XAxis = chart.XAxis

type YAxis

type YAxis = chart.YAxis