go-chart/examples/custom_ticks/main.go
Zeni Kim cc8d36edd9
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2024-10-27 21:52:38 -05:00

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Go

package main
//go:generate go run main.go
import (
"os"
"git.smarteching.com/zeni/go-chart/v2"
)
func main() {
/*
In this example we set a custom set of ticks to use for the y-axis. It can be (almost) whatever you want, including some custom labels for ticks.
Custom ticks will supercede a custom range, which will supercede automatic generation based on series values.
*/
graph := chart.Chart{
YAxis: chart.YAxis{
Range: &chart.ContinuousRange{
Min: 0.0,
Max: 4.0,
},
Ticks: []chart.Tick{
{Value: 0.0, Label: "0.00"},
{Value: 2.0, Label: "2.00"},
{Value: 4.0, Label: "4.00"},
{Value: 6.0, Label: "6.00"},
{Value: 8.0, Label: "Eight"},
{Value: 10.0, Label: "Ten"},
},
},
Series: []chart.Series{
chart.ContinuousSeries{
XValues: []float64{1.0, 2.0, 3.0, 4.0, 5.0},
YValues: []float64{1.0, 2.0, 3.0, 4.0, 5.0},
},
},
}
f, _ := os.Create("output.png")
defer f.Close()
graph.Render(chart.PNG, f)
}