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bollinger bounds

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This commit is contained in:
Will Charczuk 2016-07-15 09:02:50 -07:00
parent 21b4dfddc9
commit bc2b51077b
4 changed files with 189 additions and 27 deletions
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22
chart.go
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@ -136,7 +136,27 @@ func (c Chart) getRanges() (xrange, yrange, yrangeAlt Range) {
for _, s := range c.Series {
if s.GetStyle().IsZero() || s.GetStyle().Show {
seriesAxis := s.GetYAxis()
if vp, isValueProvider := s.(ValueProvider); isValueProvider {
if bvp, isBoundedValueProvider := s.(BoundedValueProvider); isBoundedValueProvider {
seriesLength := bvp.Len()
for index := 0; index < seriesLength; index++ {
vx, vy1, vy2 := bvp.GetBoundedValue(index)
minx = math.Min(minx, vx)
maxx = math.Max(maxx, vx)
if seriesAxis == YAxisPrimary {
miny = math.Min(miny, vy1)
miny = math.Min(miny, vy2)
maxy = math.Max(maxy, vy1)
maxy = math.Max(maxy, vy2)
} else if seriesAxis == YAxisSecondary {
minya = math.Min(minya, vy1)
minya = math.Min(minya, vy2)
maxya = math.Max(maxya, vy1)
maxya = math.Max(maxya, vy2)
}
}
} else if vp, isValueProvider := s.(ValueProvider); isValueProvider {
seriesLength := vp.Len()
for index := 0; index < seriesLength; index++ {
vx, vy := vp.GetValue(index)