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updates.

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This commit is contained in:
Will Charczuk 2016-07-07 14:44:03 -07:00
parent e09aa43a1e
commit cbc4672f1e
13 changed files with 359 additions and 303 deletions
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47
series.go
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@ -1,16 +1,17 @@
package chart
import "time"
import (
"fmt"
"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
GetValue(index int) (float64, float64)
GetLabel(index int) (string, string)
}
// TimeSeries is a line on a chart.
@ -37,19 +38,18 @@ 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]
func (ts TimeSeries) GetValue(index int) (x float64, y float64) {
x = float64(ts.XValues[index].Unix())
y = ts.YValues[index]
return
}
// GetLabel gets a label for the values at a given index.
func (ts TimeSeries) GetLabel(index int) (xLabel string, yLabel string) {
xLabel = ts.XValues[index].Format(DefaultDateFormat)
yLabel = fmt.Sprintf("%0.2f", ts.YValues[index])
return
}
// ContinousSeries represents a line on a chart.
@ -81,12 +81,9 @@ 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...)
// GetLabel gets a label for the values at a given index.
func (cs ContinousSeries) GetLabel(index int) (xLabel string, yLabel string) {
xLabel = fmt.Sprintf("%0.2f", cs.XValues[index])
yLabel = fmt.Sprintf("%0.2f", cs.YValues[index])
return
}