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plot.go
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plot.go
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// Copyright 2017 Zack Guo <zack.y.guo@gmail.com>. All rights reserved.
// Use of this source code is governed by a MIT license that can
// be found in the LICENSE file.
// +build ignore
package main
import (
"log"
"math"
ui "github.com/gizak/termui/v3"
"github.com/gizak/termui/v3/widgets"
)
func main() {
if err := ui.Init(); err != nil {
log.Fatalf("failed to initialize termui: %v", err)
}
defer ui.Close()
sinData := func() [][]float64 {
n := 220
data := make([][]float64, 2)
data[0] = make([]float64, n)
data[1] = make([]float64, n)
for i := 0; i < n; i++ {
data[0][i] = 1 + math.Sin(float64(i)/5)
data[1][i] = 1 + math.Cos(float64(i)/5)
}
return data
}()
p0 := widgets.NewPlot()
p0.Title = "braille-mode Line Chart"
p0.Data = sinData
p0.SetRect(0, 0, 50, 15)
p0.AxesColor = ui.ColorWhite
p0.LineColors[0] = ui.ColorGreen
p1 := widgets.NewPlot()
p1.Title = "dot-mode line Chart"
p1.Marker = widgets.MarkerDot
p1.Data = [][]float64{[]float64{1, 2, 3, 4, 5}}
p1.SetRect(50, 0, 75, 10)
p1.DotMarkerRune = '+'
p1.AxesColor = ui.ColorWhite
p1.LineColors[0] = ui.ColorYellow
p1.DrawDirection = widgets.DrawLeft
p2 := widgets.NewPlot()
p2.Title = "dot-mode Scatter Plot"
p2.Marker = widgets.MarkerDot
p2.Data = make([][]float64, 2)
p2.Data[0] = []float64{1, 2, 3, 4, 5}
p2.Data[1] = sinData[1][4:]
p2.SetRect(0, 15, 50, 30)
p2.AxesColor = ui.ColorWhite
p2.LineColors[0] = ui.ColorCyan
p2.PlotType = widgets.ScatterPlot
p3 := widgets.NewPlot()
p3.Title = "braille-mode Scatter Plot"
p3.Data = make([][]float64, 2)
p3.Data[0] = []float64{1, 2, 3, 4, 5}
p3.Data[1] = sinData[1][4:]
p3.SetRect(45, 15, 80, 30)
p3.AxesColor = ui.ColorWhite
p3.LineColors[0] = ui.ColorCyan
p3.Marker = widgets.MarkerBraille
p3.PlotType = widgets.ScatterPlot
ui.Render(p0, p1, p2, p3)
uiEvents := ui.PollEvents()
for {
e := <-uiEvents
switch e.ID {
case "q", "<C-c>":
return
}
}
}