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