55 lines
1 KiB
Go
55 lines
1 KiB
Go
package chart
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import util "github.com/wcharczuk/go-chart/util"
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// Value is a chart value.
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type Value struct {
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Style Style
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Label string
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Value float64
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}
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// Values is an array of Value.
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type Values []Value
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// Values returns the values.
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func (vs Values) Values() []float64 {
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values := make([]float64, len(vs))
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for index, v := range vs {
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values[index] = v.Value
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}
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return values
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}
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// ValuesNormalized returns normalized values.
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func (vs Values) ValuesNormalized() []float64 {
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return util.Math.Normalize(vs.Values()...)
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}
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// Normalize returns the values normalized.
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func (vs Values) Normalize() []Value {
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var output []Value
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var total float64
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for _, v := range vs {
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total += v.Value
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}
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for _, v := range vs {
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if v.Value > 0 {
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output = append(output, Value{
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Style: v.Style,
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Label: v.Label,
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Value: util.Math.RoundDown(v.Value/total, 0.0001),
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})
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}
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}
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return output
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}
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// Value2 is a two axis value.
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type Value2 struct {
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Style Style
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Label string
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XValue, YValue float64
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}
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