parameterize by index.
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cee1a66a50
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3 changed files with 5 additions and 5 deletions
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@ -12,7 +12,7 @@ import (
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func drawChart(res http.ResponseWriter, req *http.Request) {
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func drawChart(res http.ResponseWriter, req *http.Request) {
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viridisByY := func(xr, yr chart.Range, x, y float64) drawing.Color {
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viridisByY := func(xr, yr chart.Range, index int, x, y float64) drawing.Color {
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return chart.Viridis(y, yr.GetMin(), yr.GetMax())
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return chart.Viridis(y, yr.GetMin(), yr.GetMax())
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}
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}
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4
draw.go
4
draw.go
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@ -66,11 +66,11 @@ func (d draw) LineSeries(r Renderer, canvasBox Box, xrange, yrange Range, style
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dotWidth := defaultDotWidth
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dotWidth := defaultDotWidth
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if style.DotWidthProvider != nil {
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if style.DotWidthProvider != nil {
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dotWidth = style.DotWidthProvider(xrange, yrange, vx, vy)
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dotWidth = style.DotWidthProvider(xrange, yrange, i, vx, vy)
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}
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}
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if style.DotColorProvider != nil {
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if style.DotColorProvider != nil {
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dotColor := style.DotColorProvider(xrange, yrange, vx, vy)
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dotColor := style.DotColorProvider(xrange, yrange, i, vx, vy)
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r.SetFillColor(dotColor)
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r.SetFillColor(dotColor)
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r.SetStrokeColor(dotColor)
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r.SetStrokeColor(dotColor)
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@ -37,10 +37,10 @@ type FullBoundedValueProvider interface {
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}
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}
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// SizeProvider is a provider for integer size.
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// SizeProvider is a provider for integer size.
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type SizeProvider func(xrange, yrange Range, x, y float64) float64
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type SizeProvider func(xrange, yrange Range, index int, x, y float64) float64
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// ColorProvider is a general provider for color ranges based on values.
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// ColorProvider is a general provider for color ranges based on values.
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type ColorProvider func(v, vmin, vmax float64) drawing.Color
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type ColorProvider func(v, vmin, vmax float64) drawing.Color
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// DotColorProvider is a provider for dot color.
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// DotColorProvider is a provider for dot color.
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type DotColorProvider func(xrange, yrange Range, x, y float64) drawing.Color
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type DotColorProvider func(xrange, yrange Range, index int, x, y float64) drawing.Color
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