diff options
| -rw-r--r-- | graph.go | 17 |
1 files changed, 15 insertions, 2 deletions
@@ -42,6 +42,10 @@ func createLine(xvalues []float64, y float64, c drawing.Color) chart.ContinuousS } func Graph(confs map[string]*Conf, bookname string, w io.Writer) error { + if len(confs) == 0 { + return errors.New("No valid confidences") + } + // Organise confs to sort them by page var graphconf []GraphConf for _, conf := range confs { @@ -60,12 +64,21 @@ func Graph(confs map[string]*Conf, bookname string, w io.Writer) error { c.Conf = conf.Conf graphconf = append(graphconf, c) } - sort.Slice(graphconf, func(i, j int) bool { return graphconf[i].Pgnum < graphconf[j].Pgnum }) + // If we failed to get any page numbers, just fake the lot if len(graphconf) == 0 { - return errors.New("No valid confidences") + i := float64(1) + for _, conf := range confs { + var c GraphConf + c.Pgnum = i + c.Conf = conf.Conf + graphconf = append(graphconf, c) + i++ + } } + 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 |