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fix: fix NaN of radar chart, #17

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This commit is contained in:
vicanso 2022-08-10 20:39:14 +08:00
parent 550b9874d2
commit 93e03856ca
1 changed files with 5 additions and 1 deletions
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6
radar_chart.go
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@ -200,7 +200,11 @@ func (r *radarChart) render(result *defaultRenderResult, seriesList SeriesList)
continue continue
} }
indicator := indicators[j] indicator := indicators[j]
percent := (item.Value - indicator.Min) / (indicator.Max - indicator.Min) var percent float64
offset := indicator.Max - indicator.Min
if offset > 0 {
percent = (item.Value - indicator.Min) / offset
}
r := percent * radius r := percent * radius
p := getPolygonPoint(center, r, angles[j]) p := getPolygonPoint(center, r, angles[j])
linePoints = append(linePoints, p) linePoints = append(linePoints, p)