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package parse
import (
"io"
"path/filepath"
"os"
"sort"
"strconv"
)
type BucketSpec struct {
Min float64
Name string
}
type BucketSpecs []BucketSpec
func (b BucketSpecs) Len() int { return len(b) }
func (b BucketSpecs) Swap(i, j int) { b[i], b[j] = b[j], b[i] }
func (b BucketSpecs) Less(i, j int) bool { return b[i].Min < b[j].Min }
func bucketLine(l LineDetail, buckets BucketSpecs, dirname string) error {
todir := ""
for _, b := range buckets {
if l.Avgconf >= b.Min {
todir = b.Name
}
}
if todir == "" {
return nil
}
avgstr := strconv.FormatFloat(l.Avgconf, 'G', -1, 64)
if len(avgstr) > 2 {
avgstr = avgstr[2:]
}
base := filepath.Join(dirname, todir, filepath.Base(l.OcrName) + "_" + l.Name + "_" + avgstr)
err := os.MkdirAll(filepath.Join(dirname, todir), 0700)
if err != nil {
return err
}
f, err := os.Create(base + ".png")
if err != nil {
return err
}
defer f.Close()
err = l.Img.CopyLineTo(f)
if err != nil {
return err
}
f, err = os.Create(base + ".txt")
if err != nil {
return err
}
defer f.Close()
_, err = io.WriteString(f, l.Text)
if err != nil {
return err
}
return nil
}
// Copies line images and text into directories based on their
// confidence, as defined by the buckets struct
func BucketUp(lines LineDetails, buckets BucketSpecs, dirname string) error {
sort.Sort(buckets)
// TODO: record and print out summary of % in each bucket category (see how tools did it)
for _, l := range lines {
err := bucketLine(l, buckets, dirname)
if err != nil {
return err
}
}
return nil
}
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