diff options
| -rw-r--r-- | cmd/confgraph/main.go | 5 | ||||
| -rw-r--r-- | graph.go | 5 |
2 files changed, 9 insertions, 1 deletions
diff --git a/cmd/confgraph/main.go b/cmd/confgraph/main.go index 9b158f3..ed5ce93 100644 --- a/cmd/confgraph/main.go +++ b/cmd/confgraph/main.go @@ -22,6 +22,9 @@ func walker(confs *[]*bookpipeline.Conf) filepath.WalkFunc { } avg, err := hocr.GetAvgConf(path) if err != nil { + if err.Error() == "No words found" { + return nil + } return err } c := bookpipeline.Conf{ @@ -35,7 +38,7 @@ func walker(confs *[]*bookpipeline.Conf) filepath.WalkFunc { func main() { flag.Usage = func() { - fmt.Fprintln(flag.CommandLine.Output(), "Usage: bookpipeline hocrdir graph.png") + fmt.Fprintln(flag.CommandLine.Output(), "Usage: confgraph hocrdir graph.png") flag.PrintDefaults() } flag.Parse() @@ -1,6 +1,7 @@ package bookpipeline import ( + "errors" "fmt" "io" "path/filepath" @@ -61,6 +62,10 @@ func Graph(confs map[string]*Conf, bookname string, w io.Writer) error { } sort.Slice(graphconf, func(i, j int) bool { return graphconf[i].Pgnum < graphconf[j].Pgnum }) + if len(graphconf) == 0 { + return errors.New("No valid confidences") + } + // Create main xvalues and yvalues, annotations and ticks var xvalues, yvalues []float64 var annotations []chart.Value2 |