68 lines
1.3 KiB
Go
68 lines
1.3 KiB
Go
package main
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import (
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"bytes"
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"log"
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"os"
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"github.com/wcharczuk/go-chart"
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)
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func main() {
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var b float64
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b = 1000
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ts1 := chart.ContinuousSeries{ //TimeSeries{
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Name: "Time Series",
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Style: chart.StyleShow(),
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XValues: []float64{10 * b, 20 * b, 30 * b, 40 * b, 50 * b, 60 * b, 70 * b, 80 * b},
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YValues: []float64{1.0, 2.0, 30.0, 4.0, 50.0, 6.0, 7.0, 88.0},
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}
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ts2 := chart.ContinuousSeries{ //TimeSeries{
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Style: chart.Style{
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Show: true,
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StrokeColor: chart.GetDefaultColor(1),
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},
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XValues: []float64{10 * b, 20 * b, 30 * b, 40 * b, 50 * b, 60 * b, 70 * b, 80 * b},
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YValues: []float64{15.0, 52.0, 30.0, 42.0, 50.0, 26.0, 77.0, 38.0},
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}
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graph := chart.Chart{
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XAxis: chart.XAxis{
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Name: "The XAxis",
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NameStyle: chart.StyleShow(),
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Style: chart.StyleShow(),
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ValueFormatter: chart.TimeMinuteValueFormatter, //TimeHourValueFormatter,
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},
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YAxis: chart.YAxis{
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Name: "The YAxis",
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NameStyle: chart.StyleShow(),
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Style: chart.StyleShow(),
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},
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Series: []chart.Series{
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ts1,
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ts2,
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},
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}
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buffer := bytes.NewBuffer([]byte{})
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err := graph.Render(chart.PNG, buffer)
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if err != nil {
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log.Fatal(err)
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}
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fo, err := os.Create("output.png")
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if err != nil {
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panic(err)
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}
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if _, err := fo.Write(buffer.Bytes()); err != nil {
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panic(err)
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}
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}
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