52 lines
973 B
Go
52 lines
973 B
Go
package main
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//go:generate go run main.go
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import (
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"fmt"
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"math/rand"
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"os"
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"time"
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"github.com/wcharczuk/go-chart/v2"
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)
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func random(min, max float64) float64 {
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return rand.Float64()*(max-min) + min
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}
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func main() {
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numValues := 1024
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numSeries := 100
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series := make([]chart.Series, numSeries)
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for i := 0; i < numSeries; i++ {
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xValues := make([]time.Time, numValues)
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yValues := make([]float64, numValues)
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for j := 0; j < numValues; j++ {
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xValues[j] = time.Now().AddDate(0, 0, (numValues-j)*-1)
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yValues[j] = random(float64(-500), float64(500))
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}
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series[i] = chart.TimeSeries{
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Name: fmt.Sprintf("aaa.bbb.hostname-%v.ccc.ddd.eee.fff.ggg.hhh.iii.jjj.kkk.lll.mmm.nnn.value", i),
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XValues: xValues,
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YValues: yValues,
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}
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}
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graph := chart.Chart{
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XAxis: chart.XAxis{
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Name: "Time",
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},
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YAxis: chart.YAxis{
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Name: "Value",
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},
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Series: series,
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}
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f, _ := os.Create("output.png")
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defer f.Close()
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graph.Render(chart.PNG, f)
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}
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