draw

Documentation

Index

• Constants
• func MakeHorLine(x, y float64, r, g, b uint8) *plotter.Line
• type AllPriceTicks
  • func (AllPriceTicks) Ticks(min, max float64) []plot.Tick
• type AllTimeTicks
  • func (AllTimeTicks) Ticks(min, max float64) []plot.Tick
• type KlineTOHLCV
• type Klines
  • func (k *Klines) Len() int
  • func (k *Klines) TOHLCV(i int) (t, o, h, l, c, v float64)
• type KlinesOpts
• type Plot
  • func NewPlot() *Plot
  • func (p *Plot) AddEnv()
  • func (p *Plot) AddFunction(f formula.Formula, yMax, xMax float64)
  • func (p *Plot) AddHelpLines(lastPrice, minPrice, maxPrice float64, startTime int64)
  • func (p *Plot) AddRateGraph(klines *Klines)
  • func (p *Plot) SaveToBuffer() (*bytes.Buffer, error)

Constants

const DefaultHeight = 400

const DefaultWidth = 900

Functions

func MakeHorLine

func MakeHorLine(x, y float64, r, g, b uint8) *plotter.Line

Types

type AllPriceTicks

type AllPriceTicks struct{}

func (AllPriceTicks) Ticks

func (AllPriceTicks) Ticks(min, max float64) []plot.Tick

type AllTimeTicks

type AllTimeTicks struct{}

func (AllTimeTicks) Ticks

func (AllTimeTicks) Ticks(min, max float64) []plot.Tick

type KlineTOHLCV

type KlineTOHLCV struct {
	T int64
	O float64
	H float64
	L float64
	C float64
	V float64
}

type Klines

type Klines struct {
	Klines    []KlineTOHLCV
	Last      decimal.Decimal
	Min       decimal.Decimal
	Max       decimal.Decimal
	StartTime time.Time
	Scale     string
}

func (*Klines) Len

func (k *Klines) Len() int

func (*Klines) TOHLCV

func (k *Klines) TOHLCV(i int) (t, o, h, l, c, v float64)

type KlinesOpts

type KlinesOpts struct {
	Symbol string
	T      string
}

type Plot

type Plot struct {
	Plot *plot.Plot
}

func NewPlot

func NewPlot() *Plot

func (*Plot) AddEnv

func (p *Plot) AddEnv()

func (*Plot) AddFunction

func (p *Plot) AddFunction(f formula.Formula, yMax, xMax float64)

func (*Plot) AddHelpLines

func (p *Plot) AddHelpLines(lastPrice, minPrice, maxPrice float64, startTime int64)

func (*Plot) AddRateGraph

func (p *Plot) AddRateGraph(klines *Klines)

func (*Plot) SaveToBuffer

func (p *Plot) SaveToBuffer() (*bytes.Buffer, error)