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April 24, 2017 22:56
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| package main | |
| import ( | |
| "bytes" | |
| "fmt" | |
| "io/ioutil" | |
| "math" | |
| ) | |
| const ( | |
| Color1 = "#F44336" // Red | |
| Color2 = "#FF9800" // Orange | |
| Color3 = "#FFEB3B" // Yellow | |
| Color4 = "#00BCD4" // Cyan | |
| Color5 = "#4CAF50" // Green | |
| Color6 = "#009688" // Teal | |
| Color7 = "#2196F3" // Blue | |
| Color8 = "#9C27B0" // Purple | |
| ) | |
| type Graph struct { | |
| XLabel string | |
| YLabel string | |
| YLabelDY string | |
| X0 float64 | |
| Y0 float64 | |
| X1 float64 | |
| Y1 float64 | |
| DX float64 | |
| DY float64 | |
| XMin float64 | |
| YMin float64 | |
| XMax float64 | |
| YMax float64 | |
| YLog bool | |
| XMarks []Mark | |
| YMarks []Mark | |
| Lines []Line | |
| Labels []Label | |
| } | |
| type Mark struct { | |
| Pos float64 | |
| Text string | |
| } | |
| type Line struct { | |
| Label string | |
| LabelX float64 | |
| LabelY float64 | |
| Color string | |
| Width float64 | |
| Data [][2]float64 | |
| } | |
| type Label struct { | |
| X float64 | |
| Y float64 | |
| XAlign string | |
| YAlign string | |
| Text string | |
| } | |
| func (g *Graph) ToX(v float64) float64 { | |
| return g.X0 + (g.X1-g.X0)*((v-g.XMin)/(g.XMax-g.XMin)) | |
| } | |
| func (g *Graph) ToY(v float64) float64 { | |
| if g.YLog { | |
| return g.Y0 + (g.Y1-g.Y0)*((math.Log(v)-math.Log(g.YMin))/(math.Log(g.YMax)-math.Log(g.YMin))) | |
| } | |
| return g.Y0 + (g.Y1-g.Y0)*((v-g.YMin)/(g.YMax-g.YMin)) | |
| } | |
| func (g *Graph) SVG() []byte { | |
| var buf bytes.Buffer | |
| fmt.Fprintf(&buf, "<svg width=\"%dpt\" height=\"%dpt\" viewBox=\"0 0 %d %d\"\n xmlns=\"http://www.w3.org/2000/svg\">\n", | |
| int(g.DX), int(g.DY), int(g.DX), int(g.DY)) | |
| fmt.Fprintf(&buf, "<defs>\n<clipPath id=\"grid\"><rect x=\"%.2f\" y=\"%.2f\" width=\"%.2f\" height=\"%.2f\"/></clipPath></defs>\n", | |
| g.X0, g.Y1, g.X1-g.X0, g.Y0-g.Y1) | |
| // Axis lines, marks, and mark labels. | |
| fmt.Fprintf(&buf, "<path d=\"") | |
| fmt.Fprintf(&buf, "M %.2f %.2f L %.2f %.2f ", g.X0, g.Y0, g.X0, g.Y1) | |
| fmt.Fprintf(&buf, "M %.2f %.2f L %.2f %.2f ", g.X0, g.Y0, g.X1, g.Y0) | |
| var text bytes.Buffer | |
| for _, m := range g.XMarks { | |
| x := g.ToX(m.Pos) | |
| d := 5.0 | |
| if m.Text == "" { | |
| d = 3 | |
| } | |
| fmt.Fprintf(&buf, "M %.2f %.2f L %.2f %.2f ", x, g.Y0, x, g.Y0+d) | |
| if m.Text != "" { | |
| fmt.Fprintf(&text, "<text x=\"%.2f\" y=\"%.2f\" dy=\"1em\" text-anchor=\"middle\" font-size=\"10\">%s</text>\n", x, g.Y0+d, m.Text) | |
| } | |
| } | |
| for _, m := range g.YMarks { | |
| y := g.ToY(m.Pos) | |
| d := 5.0 | |
| if m.Text == "" { | |
| d = 3 | |
| } | |
| fmt.Fprintf(&buf, "M %.2f %.2f L %.2f %.2f ", g.X0, y, g.X0-d, y) | |
| if m.Text != "" { | |
| fmt.Fprintf(&text, "<text x=\"%.2f\" y=\"%.2f\" dx=\"-0.3em\" dy=\"0.3em\" text-anchor=\"end\" font-size=\"10\">%s</text>\n", g.X0-d, y, m.Text) | |
| } | |
| } | |
| fmt.Fprintf(&buf, "\" fill=\"transparent\" stroke=\"black\"/>\n") | |
| buf.Write(text.Bytes()) | |
| // Axis labels. | |
| if g.XLabel != "" { | |
| fmt.Fprintf(&buf, "<text x=\"%.2f\" y=\"%.2f\" text-anchor=\"middle\" font-size=\"11\" dy=\"2.5em\">%s</text>\n", | |
| (g.X1+g.X0)/2, g.Y0, g.XLabel) | |
| } | |
| if g.YLabel != "" { | |
| dy := "-2em" | |
| if g.YLabelDY != "" { | |
| dy = g.YLabelDY | |
| } | |
| fmt.Fprintf(&buf, "<g transform=\"translate(%.2f %.2f) rotate(-90)\"><text x=\"0\" y=\"0\" text-anchor=\"middle\" font-size=\"11\" dy=\"%s\">%s</text></g>\n", | |
| g.X0, (g.Y1+g.Y0)/2, dy, g.YLabel) | |
| } | |
| // Lines | |
| fmt.Fprintf(&buf, "<g clip-path=\"grid\">\n") | |
| for _, line := range g.Lines { | |
| fmt.Fprintf(&buf, "<path d=\"") | |
| ch := "M" | |
| for _, pt := range line.Data { | |
| fmt.Fprintf(&buf, "%s %.2f %.2f", ch, g.ToX(pt[0]), g.ToY(pt[1])) | |
| ch = " L" | |
| } | |
| fmt.Fprintf(&buf, "\" fill=\"transparent\" stroke=\"%s\" stroke-width=\"%.1f\"/>\n", line.Color, line.Width) | |
| } | |
| fmt.Fprintf(&buf, "</g>\n") | |
| for _, line := range g.Lines { | |
| if line.Label == "" { | |
| continue | |
| } | |
| fmt.Fprintf(&buf, "<path d=\"") | |
| x := line.LabelX | |
| if x == 0 { | |
| x = line.Data[len(line.Data)-1][0] | |
| } | |
| x = g.ToX(x) | |
| y := line.LabelY | |
| if y == 0 { | |
| y = line.Data[len(line.Data)-1][1] | |
| } | |
| y = g.ToY(y) | |
| fmt.Fprintf(&buf, " M %.2f %.2f L %.2f %.2f", x+Inch/4, y, x+Inch/2, y) | |
| fmt.Fprintf(&buf, "\" fill=\"transparent\" stroke=\"%s\" stroke-width=\"%.1f\"/>\n", line.Color, line.Width) | |
| fmt.Fprintf(&buf, "<text x=\"%.2f\" y=\"%.2f\" dy=\"0.3em\" font-size=\"9\">%s</text>\n", x+Inch/2+Inch/16, y, line.Label) | |
| } | |
| // Labels | |
| for _, label := range g.Labels { | |
| fmt.Fprintf(&buf, "<text x=\"%.2f\" y=\"%.2f\"", g.ToX(label.X), g.ToY(label.Y)) | |
| switch label.XAlign { | |
| case "center": | |
| fmt.Fprintf(&buf, " text-anchor=\"middle\"") | |
| case "right": | |
| fmt.Fprintf(&buf, " text-anchor=\"end\"") | |
| } | |
| switch label.YAlign { | |
| case "center": | |
| fmt.Fprintf(&buf, " dy=\"0.3em\"") | |
| case "top": | |
| fmt.Fprintf(&buf, " dy=\"1em\"") | |
| } | |
| fmt.Fprintf(&buf, " font-size=\"11\">%s</text>\n", label.Text) | |
| } | |
| fmt.Fprintf(&buf, "</svg>\n") | |
| return buf.Bytes() | |
| } | |
| func (g *Graph) AutoXMarks() { | |
| g.XMarks = autoMarks(g.XMin, g.XMax) | |
| } | |
| func (g *Graph) AutoYMarks() { | |
| g.YMarks = autoMarks(g.YMin, g.YMax) | |
| } | |
| func autoMarks(min, max float64) []Mark { | |
| scale := 1.0 | |
| for int(max/scale)-int(min/scale) > 10 { | |
| scale *= 10 | |
| } | |
| for int(max/scale)-int(min/scale) < 1 { | |
| scale /= 10 | |
| } | |
| var marks []Mark | |
| for i := int(min / scale); float64(i)*scale <= max; i++ { | |
| marks = append(marks, Mark{Text: fmt.Sprint(float64(i) * scale), Pos: float64(i) * scale}) | |
| if p := (float64(i) + 0.5) * scale; p <= max && scale > 1 { | |
| marks = append(marks, Mark{Pos: p}) | |
| } | |
| } | |
| return marks | |
| } | |
| const Inch = 72.0 | |
| func main() { | |
| g := &Graph{ | |
| XLabel: "pattern size <tspan style=\"font-style: italic\">n</tspan>", | |
| X0: 0.5 * Inch, | |
| X1: (0.5 + 2.5) * Inch, | |
| Y0: (0.1 + 1.5) * Inch, | |
| Y1: 0.1 * Inch, | |
| DX: 3.25 * Inch, | |
| DY: 2.1 * Inch, | |
| XMin: 0, | |
| YMin: 0, | |
| YMax: 7.25, | |
| Lines: []Line{ | |
| Line{}, | |
| }, | |
| Labels: []Label{ | |
| { | |
| Y: 6, | |
| XAlign: "right", | |
| YAlign: "center", | |
| }, | |
| }, | |
| } | |
| g.YLabel = "time (minutes)" | |
| g.Lines[0] = Line{ | |
| Color: "#c00", | |
| Width: 2.0, | |
| Data: [][2]float64{ | |
| {0, 4.8911e-05}, | |
| {1, 2.90413e-05}, | |
| {2, 3.68292e-05}, | |
| {3, 7.14572e-05}, | |
| {4, 0.000280084}, | |
| {5, 0.00265224}, | |
| {6, 0.0399743}, | |
| {7, 0.588281}, | |
| {8, 7.18658}, | |
| }, | |
| } | |
| g.XMax = 8 | |
| g.Labels[0].X = 7 | |
| g.Labels[0].Text = "<tspan style=\"font-family: 'Inconsolata', monospace\">ls</tspan>" | |
| g.AutoXMarks() | |
| g.AutoYMarks() | |
| ioutil.WriteFile("glob1.svg", g.SVG(), 0666) | |
| g.YLabel = "time (ms)" | |
| g.Lines[0] = Line{ | |
| Color: "#00f", | |
| Width: 2.0, | |
| Data: [][2]float64{ | |
| {0, 1.43909}, | |
| {1, 1.47637}, | |
| {2, 1.48331}, | |
| {3, 1.49517}, | |
| {4, 1.51284}, | |
| {5, 1.52364}, | |
| {6, 1.53863}, | |
| {7, 1.55547}, | |
| {8, 1.57037}, | |
| {9, 1.5826}, | |
| {10, 1.60071}, | |
| {11, 1.6203}, | |
| {12, 1.6312}, | |
| {13, 1.64203}, | |
| {14, 1.66992}, | |
| {15, 1.68861}, | |
| {16, 1.69519}, | |
| {17, 1.7203}, | |
| {18, 1.7295}, | |
| {19, 1.7554}, | |
| {20, 1.7758}, | |
| {21, 1.79486}, | |
| {22, 1.83495}, | |
| {23, 1.85332}, | |
| {24, 1.86697}, | |
| {25, 1.88521}, | |
| {26, 1.89894}, | |
| {27, 1.92536}, | |
| {28, 1.94536}, | |
| {29, 1.99545}, | |
| {30, 2.0099}, | |
| {31, 2.02431}, | |
| {32, 2.05334}, | |
| {33, 2.07537}, | |
| {34, 2.10333}, | |
| {35, 2.13579}, | |
| {36, 2.15802}, | |
| {37, 2.17934}, | |
| {38, 2.20948}, | |
| {39, 2.23249}, | |
| {40, 2.26358}, | |
| {41, 2.28074}, | |
| {42, 2.32731}, | |
| {43, 2.35436}, | |
| {44, 2.39507}, | |
| {45, 2.4247}, | |
| {46, 2.45651}, | |
| {47, 2.47193}, | |
| {48, 2.51619}, | |
| {49, 2.53839}, | |
| {50, 2.58134}, | |
| {51, 2.62019}, | |
| {52, 2.63301}, | |
| {53, 2.6786}, | |
| {54, 2.7337}, | |
| {55, 2.74277}, | |
| {56, 2.77387}, | |
| {57, 2.81395}, | |
| {58, 2.84587}, | |
| {59, 2.91166}, | |
| {60, 2.9355}, | |
| {61, 2.97022}, | |
| {62, 3.00078}, | |
| {63, 3.0401}, | |
| {64, 3.06739}, | |
| {65, 3.13164}, | |
| {66, 3.15914}, | |
| {67, 3.2148}, | |
| {68, 3.26457}, | |
| {69, 3.2891}, | |
| {70, 3.35357}, | |
| {71, 3.38114}, | |
| {72, 3.41628}, | |
| {73, 3.4704}, | |
| {74, 3.51955}, | |
| {75, 3.5626}, | |
| {76, 3.62813}, | |
| {77, 3.66333}, | |
| {78, 3.70191}, | |
| {79, 3.78555}, | |
| {80, 3.82436}, | |
| {81, 3.88056}, | |
| {82, 3.93706}, | |
| {83, 3.94907}, | |
| {84, 4.05134}, | |
| {85, 4.07482}, | |
| {86, 4.1267}, | |
| {87, 4.18599}, | |
| {88, 4.23299}, | |
| {89, 4.31395}, | |
| {90, 4.33191}, | |
| {91, 4.39525}, | |
| {92, 4.42133}, | |
| {93, 4.48976}, | |
| {94, 4.5401}, | |
| {95, 4.58719}, | |
| {96, 4.64591}, | |
| {97, 4.71859}, | |
| {98, 4.76698}, | |
| {99, 4.82806}, | |
| }, | |
| } | |
| g.XMax = 100 | |
| g.Labels[0].X = 87.5 | |
| g.Labels[0].Text = "<tspan style=\"font-family: 'Inconsolata', monospace\">ls | grep</tspan>" | |
| g.AutoXMarks() | |
| g.AutoYMarks() | |
| ioutil.WriteFile("glob2.svg", g.SVG(), 0666) | |
| const LabelY1 = 4000.0 | |
| const LabelYScale = 2.0 | |
| g = &Graph{ | |
| XLabel: "pattern size <tspan style=\"font-style: italic\">n</tspan>", | |
| YLabel: "time", | |
| YLabelDY: "-4em", | |
| X0: 0.75 * Inch, | |
| X1: (0.75 + 5.25) * Inch, | |
| Y0: (0.1 + 3.5) * Inch, | |
| Y1: 0.1 * Inch, | |
| DX: 7.5 * Inch, | |
| DY: 4.1 * Inch, | |
| XMin: 0, | |
| XMax: 20, | |
| YMin: 0.00010, | |
| YMax: 25000.0, | |
| YLog: true, | |
| YMarks: []Mark{ | |
| {20000, ""}, | |
| {10000, "10000 s"}, | |
| {9000, ""}, {8000, ""}, {7000, ""}, {6000, ""}, {5000, ""}, {4000, ""}, {3000, ""}, {2000, ""}, | |
| {1000, "1000 s"}, | |
| {900, ""}, {800, ""}, {700, ""}, {600, ""}, {500, ""}, {400, ""}, {300, ""}, {200, ""}, | |
| {100, "100 s"}, | |
| {90, ""}, {80, ""}, {70, ""}, {60, ""}, {50, ""}, {40, ""}, {30, ""}, {20, ""}, | |
| {10, "10 s"}, | |
| {9, ""}, {8, ""}, {7, ""}, {6, ""}, {5, ""}, {4, ""}, {3, ""}, {2, ""}, | |
| {1, "1 s"}, | |
| {0.9, ""}, {0.8, ""}, {0.7, ""}, {0.6, ""}, {0.5, ""}, {0.4, ""}, {0.3, ""}, {0.2, ""}, | |
| {0.1, "100 ms"}, | |
| {0.09, ""}, {0.08, ""}, {0.07, ""}, {0.06, ""}, {0.05, ""}, {0.04, ""}, {0.03, ""}, {0.02, ""}, | |
| {0.01, "10 ms"}, | |
| {0.009, ""}, {0.008, ""}, {0.007, ""}, {0.006, ""}, {0.005, ""}, {0.004, ""}, {0.003, ""}, {0.002, ""}, | |
| {0.001, "1 ms"}, | |
| {0.0009, ""}, {0.0008, ""}, {0.0007, ""}, {0.0006, ""}, {0.0005, ""}, {0.0004, ""}, {0.0003, ""}, {0.0002, ""}, | |
| {0.0001, "100 us"}, | |
| }, | |
| XMarks: []Mark{ | |
| {0, "0"}, | |
| {1, ""}, | |
| {2, ""}, | |
| {3, ""}, | |
| {4, ""}, | |
| {5, "5"}, | |
| {6, ""}, | |
| {7, ""}, | |
| {8, ""}, | |
| {9, ""}, | |
| {10, "10"}, | |
| {11, ""}, | |
| {12, ""}, | |
| {13, ""}, | |
| {14, ""}, | |
| {15, "15"}, | |
| {16, ""}, | |
| {17, ""}, | |
| {18, ""}, | |
| {19, ""}, | |
| {20, "20"}, | |
| }, | |
| Lines: []Line{ | |
| Line{ | |
| Label: "tcsh 6.18.01", | |
| Color: Color1, | |
| Width: 1.5, | |
| Data: [][2]float64{ | |
| {0, 0.004448880}, | |
| {1, 0.006431193}, | |
| {2, 0.005173464}, | |
| {3, 0.026750587}, | |
| {4, 0.500732081}, | |
| {5, 9.015299373}, | |
| {6, 142.768890376}, | |
| {7, 1952.555767944}, | |
| {8, 22940.221333328}, | |
| }, | |
| }, | |
| Line{ | |
| Label: "ksh 93u+20120801", | |
| LabelY: LabelY1, | |
| Color: Color2, | |
| Width: 1.5, | |
| Data: [][2]float64{ | |
| {0, 0.001050163}, | |
| {1, 0.000868984}, | |
| {2, 0.000975836}, | |
| {3, 0.002608253}, | |
| {4, 0.045094445}, | |
| {5, 0.803450403}, | |
| {6, 12.902227738}, | |
| {7, 177.752965717}, | |
| {8, 2211.436650459}, | |
| }, | |
| }, | |
| Line{ | |
| Label: "Plan 9 rc", | |
| Color: Color3, | |
| LabelY: LabelY1 / LabelYScale, | |
| Width: 1.5, | |
| Data: [][2]float64{ | |
| {0, 0.002205500}, | |
| {1, 0.003892799}, | |
| {2, 0.003442227}, | |
| {3, 0.008466353}, | |
| {4, 0.038269247}, | |
| {5, 0.516015808}, | |
| {6, 7.934463959}, | |
| {7, 110.193912116}, | |
| {8, 1314.421437116}, | |
| }, | |
| }, | |
| Line{ | |
| Label: "zsh 5.0.5", | |
| Color: Color4, | |
| Width: 1.5, | |
| LabelY: LabelY1 / LabelYScale / LabelYScale, | |
| Data: [][2]float64{ | |
| {0, 0.002088757}, | |
| {1, 0.003948585}, | |
| {2, 0.003979290}, | |
| {3, 0.005602784}, | |
| {4, 0.019969921}, | |
| {5, 0.323085859}, | |
| {6, 5.397274992}, | |
| {7, 78.776975755}, | |
| {8, 994.699093062}, | |
| }, | |
| }, | |
| Line{ | |
| Label: "rc 1.7.1", | |
| Color: Color5, | |
| Width: 1.5, | |
| LabelY: LabelY1 / LabelYScale / LabelYScale / LabelYScale, | |
| Data: [][2]float64{ | |
| {0, 0.001717890}, | |
| {1, 0.001503086}, | |
| {2, 0.001356468}, | |
| {3, 0.003084504}, | |
| {4, 0.019929715}, | |
| {5, 0.229489748}, | |
| {6, 3.693610576}, | |
| {7, 50.476608759}, | |
| {8, 601.638436616}, | |
| }, | |
| }, | |
| Line{ | |
| Label: "bash 4.3", | |
| Color: Color6, | |
| Width: 1.5, | |
| LabelY: LabelY1 / LabelYScale / LabelYScale / LabelYScale / LabelYScale, | |
| Data: [][2]float64{ | |
| {0, 0.001744280}, | |
| {1, 0.001830546}, | |
| {2, 0.002075035}, | |
| {3, 0.002840104}, | |
| {4, 0.011904460}, | |
| {5, 0.138909358}, | |
| {6, 2.362099111}, | |
| {7, 34.317349065}, | |
| {8, 434.075965074}, | |
| }, | |
| }, | |
| Line{ | |
| Label: "dash 0.5.7", | |
| Color: Color7, | |
| Width: 1.5, | |
| LabelY: LabelY1 / LabelYScale / LabelYScale / LabelYScale / LabelYScale / LabelYScale, | |
| Data: [][2]float64{ | |
| {0, 0.000763738}, | |
| {1, 0.000554199}, | |
| {2, 0.000545408}, | |
| {3, 0.000666228}, | |
| {4, 0.003953407}, | |
| {5, 0.069595180}, | |
| {6, 1.092959971}, | |
| {7, 15.170743911}, | |
| {8, 186.228944198}, | |
| }, | |
| }, | |
| Line{ | |
| Label: "csh 20110502", | |
| Color: Color8, | |
| Width: 1.5, | |
| Data: [][2]float64{ | |
| {0, 0.021468033}, | |
| {1, 0.020593489}, | |
| {2, 0.020828153}, | |
| {3, 0.028540293}, | |
| {4, 0.020789366}, | |
| {5, 0.020464942}, | |
| {6, 0.020395209}, | |
| {7, 0.020762802}, | |
| {8, 0.020782494}, | |
| {9, 0.020609929}, | |
| {10, 0.020973340}, | |
| {11, 0.023544593}, | |
| {12, 0.032083391}, | |
| {13, 0.020648084}, | |
| {14, 0.028667412}, | |
| {15, 0.020449621}, | |
| {16, 0.020676539}, | |
| {17, 0.029357040}, | |
| {18, 0.020626247}, | |
| {19, 0.020780515}, | |
| {20, 0.030928707}, | |
| }, | |
| }, | |
| }, | |
| } | |
| ioutil.WriteFile("glob3.svg", g.SVG(), 0666) | |
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| } |
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