zeni/go-chart
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secondary axis works.

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This commit is contained in:
Will Charczuk 2016-07-10 11:19:56 -07:00
parent abfdc3e0d9
commit d78930a08f
3 changed files with 76 additions and 34 deletions
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25
testserver/main.go
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@ -20,11 +20,11 @@ func chartHandler(rc *web.RequestContext) web.ControllerResult {
rc.Response.Header().Set("Content-Type", "image/svg+xml")
}
s1x := []float64{1.0, 2.0, 3.0, 4.0}
s1x := []float64{2.0, 3.0, 4.0, 5.0}
s1y := []float64{2.5, 5.0, 2.0, 3.3}
s2x := []float64{3.0, 4.0, 5.0, 6.0}
s2y := []float64{6.0, 5.0, 4.0, 1.0}
s2x := []float64{0.0, 0.5, 1.0, 1.5}
s2y := []float64{1.1, 1.2, 1.0, 1.3}
c := chart.Chart{
Title: "A Test Chart",
@ -35,20 +35,27 @@ func chartHandler(rc *web.RequestContext) web.ControllerResult {
Height: 400,
XAxis: chart.XAxis{
Style: chart.Style{
Show: true,
StrokeWidth: 1.0,
Show: true,
},
},
YAxis: chart.YAxis{
Style: chart.Style{
Show: true,
StrokeWidth: 1.0,
Show: true,
},
Range: chart.Range{
Min: 0.0,
Max: 7.0,
},
},
YAxisSecondary: chart.YAxis{
Style: chart.Style{
Show: true,
},
Range: chart.Range{
Min: 0.8,
Max: 1.5,
},
},
Series: []chart.Series{
chart.ContinuousSeries{
Name: "a",
@ -57,6 +64,7 @@ func chartHandler(rc *web.RequestContext) web.ControllerResult {
},
chart.ContinuousSeries{
Name: "b",
YAxis: chart.YAxisSecondary,
XValues: s2x,
YValues: s2y,
},
@ -75,7 +83,8 @@ func chartHandler(rc *web.RequestContext) web.ControllerResult {
},
},
chart.AnnotationSeries{
Name: "b - last value",
Name: "b - last value",
YAxis: chart.YAxisSecondary,
Style: chart.Style{
Show: true,
StrokeColor: chart.GetDefaultSeriesStrokeColor(1),