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

Constants

const (
	DotWidth = 3 // 点的宽度
)

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
)

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

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