// Create a new CGR defined by the kmerindex index and background color.
func NewCGR(index *kmerindex.Index, background color.HSVA) *CGR { // should generalise the BG color
max := 0
f := func(index *kmerindex.Index, _, kmer int) {
if freq := index.FingerAt(kmer); freq > max {
max = freq
}
}
index.ForEachKmerOf(index.Seq, 0, index.Seq.Len(), f)
k := uint(index.GetK())
return &CGR{
RGBA: image.NewRGBA(image.Rect(0, 0, 1<<k, 1<<k)),
Index: index,
Max: max,
BackGround: background,
}
}
