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Upadte the scoring schema of obipairing

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This commit is contained in:
Eric Coissac
2025-02-21 22:41:34 +01:00
parent 4588bf8b5d
commit ef05d4975f
3 changed files with 62 additions and 31 deletions
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39
pkg/obikmer/encodefourmer.go
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@ -2,6 +2,7 @@ package obikmer
import (
"git.metabarcoding.org/obitools/obitools4/obitools4/pkg/obiseq"
"git.metabarcoding.org/obitools/obitools4/obitools4/pkg/obiutils"
)
var __single_base_code__ = []byte{0,
@ -131,33 +132,39 @@ func FastShiftFourMer(index [][]int, shifts *map[int]int, lindex int, seq *obise
maxshift := 0
maxcount := 0
maxscore := -1.0
maxrelscore := -1.0
for shift, count := range *shifts {
delete((*shifts), shift)
score := float64(count)
if relscore {
over := -shift
switch {
case shift > 0:
over += lindex
case shift < 0:
over = seq.Len() - over
default:
over = min(lindex, seq.Len())
}
score = score / float64(over-3)
selectscore := float64(count)
relativescore := float64(count)
over := -shift
switch {
case shift > 0:
over += lindex
case shift < 0:
over = seq.Len() - over
default:
over = min(lindex, seq.Len())
}
if score > maxscore {
relativescore = relativescore / float64(over-3)
if relscore {
selectscore = relativescore
}
if selectscore > maxscore {
maxshift = shift
maxcount = count
maxscore = score
maxscore = selectscore
maxrelscore = relativescore
} else {
if score == maxscore && shift < maxshift {
if selectscore == maxscore && obiutils.Abs(shift) < obiutils.Abs(maxshift) {
maxshift = shift
maxcount = count
maxrelscore = relativescore
}
}
}
return maxshift, maxcount, maxscore
return maxshift, maxcount, maxrelscore
}