92 lines
2 KiB
Go
92 lines
2 KiB
Go
package chart
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import "time"
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// Series is a entity data set.
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type Series interface {
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GetName() string
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GetStyle() Style
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Len() int
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GetValue(index int) Point
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GetXRange(domain int) Range
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GetYRange(domain int) Range
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}
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// TimeSeries is a line on a chart.
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type TimeSeries struct {
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Name string
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Style Style
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XValues []time.Time
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YValues []float64
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}
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// GetName returns the name of the time series.
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func (ts TimeSeries) GetName() string {
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return ts.Name
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}
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// GetStyle returns the line style.
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func (ts TimeSeries) GetStyle() Style {
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return ts.Style
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}
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// Len returns the number of elements in the series.
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func (ts TimeSeries) Len() int {
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return len(ts.XValues)
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}
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// GetXRange returns the x range.
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func (ts TimeSeries) GetXRange(domain int) Range {
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return NewRangeOfTime(domain, ts.XValues...)
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}
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// GetYRange returns the x range.
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func (ts TimeSeries) GetYRange(domain int) Range {
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return NewRangeOfFloat64(domain, ts.YValues...)
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}
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// GetValue gets a value at a given index.
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func (ts TimeSeries) GetValue(index int) Point {
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return Point{X: float64(ts.XValues[index].Unix()), Y: ts.YValues[index]}
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}
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// ContinousSeries represents a line on a chart.
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type ContinousSeries struct {
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Name string
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Style Style
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XValues []float64
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YValues []float64
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}
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// GetName returns the name of the time series.
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func (cs ContinousSeries) GetName() string {
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return cs.Name
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}
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// GetStyle returns the line style.
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func (cs ContinousSeries) GetStyle() Style {
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return cs.Style
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}
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// Len returns the number of elements in the series.
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func (cs ContinousSeries) Len() int {
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return len(cs.XValues)
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}
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// GetValue gets a value at a given index.
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func (cs ContinousSeries) GetValue(index int) Point {
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return Point{X: cs.XValues[index], Y: cs.YValues[index]}
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}
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// GetXRange returns the x range.
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func (cs ContinousSeries) GetXRange(domain int) Range {
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return NewRangeOfFloat64(domain, cs.XValues...)
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}
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// GetYRange returns the x range.
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func (cs ContinousSeries) GetYRange(domain int) Range {
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return NewRangeOfFloat64(domain, cs.YValues...)
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}
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