1 files changed, 0 insertions, 155 deletions
diff --git a/bookpipeline/graph.go b/bookpipeline/graph.go
deleted file mode 100644
index 955abbd..0000000
--- a/bookpipeline/graph.go
+++ /dev/null
@@ -1,155 +0,0 @@
-package bookpipeline
-
-import (
-	"fmt"
-	"io"
-	"path/filepath"
-	"sort"
-	"strconv"
-	"strings"
-
-	"github.com/wcharczuk/go-chart"
-	"github.com/wcharczuk/go-chart/drawing"
-)
-
-const maxticks = 40
-const goodCutoff = 70
-const mediumCutoff = 65
-const badCutoff = 60
-
-type Conf struct {
-	Path, Code string
-	Conf       float64
-}
-
-type GraphConf struct {
-	Pgnum, Conf float64
-}
-
-func createLine(xvalues []float64, y float64, c drawing.Color) chart.ContinuousSeries {
-	var yvalues []float64
-	for range xvalues {
-		yvalues = append(yvalues, y)
-	}
-	return chart.ContinuousSeries{
-		XValues: xvalues,
-		YValues: yvalues,
-		Style: chart.Style{
-			StrokeColor: c,
-		},
-	}
-}
-
-func Graph(confs map[string]*Conf, bookname string, w io.Writer) error {
-	// Organise confs to sort them by page
-	var graphconf []GraphConf
-	for _, conf := range confs {
-		name := filepath.Base(conf.Path)
-		var numend int
-		numend = strings.Index(name, "_")
-		if numend == -1 {
-			numend = strings.Index(name, ".")
-		}
-		pgnum, err := strconv.ParseFloat(name[0:numend], 64)
-		if err != nil {
-			continue
-		}
-		var c GraphConf
-		c.Pgnum = pgnum
-		c.Conf = conf.Conf
-		graphconf = append(graphconf, c)
-	}
-	sort.Slice(graphconf, func(i, j int) bool { return graphconf[i].Pgnum < graphconf[j].Pgnum })
-
-	// Create main xvalues and yvalues, annotations and ticks
-	var xvalues, yvalues []float64
-	var annotations []chart.Value2
-	var ticks []chart.Tick
-	tickevery := len(graphconf) / maxticks
-	if tickevery < 1 {
-		tickevery = 1
-	}
-	for i, c := range graphconf {
-		xvalues = append(xvalues, c.Pgnum)
-		yvalues = append(yvalues, c.Conf)
-		if c.Conf < goodCutoff {
-			annotations = append(annotations, chart.Value2{Label: fmt.Sprintf("%.0f", c.Pgnum), XValue: c.Pgnum, YValue: c.Conf})
-		}
-		if i%tickevery == 0 {
-			ticks = append(ticks, chart.Tick{c.Pgnum, fmt.Sprintf("%.0f", c.Pgnum)})
-		}
-	}
-	// make last tick the final page
-	final := graphconf[len(graphconf)-1]
-	ticks[len(ticks)-1] = chart.Tick{final.Pgnum, fmt.Sprintf("%.0f", final.Pgnum)}
-	mainSeries := chart.ContinuousSeries{
-		XValues: xvalues,
-		YValues: yvalues,
-	}
-
-	// Create lines
-	goodCutoffSeries := createLine(xvalues, goodCutoff, chart.ColorAlternateGreen)
-	mediumCutoffSeries := createLine(xvalues, mediumCutoff, chart.ColorOrange)
-	badCutoffSeries := createLine(xvalues, badCutoff, chart.ColorRed)
-
-	// Create lines marking top and bottom 10% confidence
-	sort.Slice(graphconf, func(i, j int) bool { return graphconf[i].Conf < graphconf[j].Conf })
-	lowconf := graphconf[int(len(graphconf)/10)].Conf
-	highconf := graphconf[int((len(graphconf)/10)*9)].Conf
-	yvalues = []float64{}
-	for range graphconf {
-		yvalues = append(yvalues, lowconf)
-	}
-	minSeries := &chart.ContinuousSeries{
-		Style: chart.Style{
-			StrokeColor:     chart.ColorAlternateGray,
-			StrokeDashArray: []float64{5.0, 5.0},
-		},
-		XValues: xvalues,
-		YValues: yvalues,
-	}
-	yvalues = []float64{}
-	for _ = range graphconf {
-		yvalues = append(yvalues, highconf)
-	}
-	maxSeries := &chart.ContinuousSeries{
-		Style: chart.Style{
-			StrokeColor:     chart.ColorAlternateGray,
-			StrokeDashArray: []float64{5.0, 5.0},
-		},
-		XValues: xvalues,
-		YValues: yvalues,
-	}
-
-	graph := chart.Chart{
-		Title:      bookname,
-		Width:      3840,
-		Height:     2160,
-		XAxis: chart.XAxis{
-			Name:      "Page number",
-			Range: &chart.ContinuousRange{
-				Min: 0.0,
-			},
-			Ticks: ticks,
-		},
-		YAxis: chart.YAxis{
-			Name:      "Confidence",
-			Range: &chart.ContinuousRange{
-				Min: 0.0,
-				Max: 100.0,
-			},
-		},
-		Series: []chart.Series{
-			mainSeries,
-			minSeries,
-			maxSeries,
-			goodCutoffSeries,
-			mediumCutoffSeries,
-			badCutoffSeries,
-			chart.AnnotationSeries{
-				Annotations: annotations,
-			},
-		},
-	}
-	return graph.Render(chart.PNG, w)
-}