bp = {}
bp[:REC_TYPE] = 'SAM'
- bp[:Q_ID] = sam[:QNAME]
- bp[:STRAND] = sam[:FLAG].revcomp? ? '-' : '+'
- bp[:S_ID] = sam[:RNAME]
- bp[:S_BEG] = sam[:POS]
- bp[:MAPQ] = sam[:MAPQ]
- bp[:CIGAR] = sam[:CIGAR]
+ bp[:Q_ID] = sam[:QNAME]
+ bp[:STRAND] = sam[:FLAG].revcomp? ? '-' : '+'
+ bp[:S_ID] = sam[:RNAME]
+ bp[:S_BEG] = sam[:POS]
+ bp[:S_END] = sam[:POS] + sam[:SEQ].length - 1
+ bp[:MAPQ] = sam[:MAPQ]
+ bp[:CIGAR] = sam[:CIGAR].to_s
unless sam[:RNEXT] == '*'
bp[:Q_ID2] = sam[:RNEXT]
bp
end
- # Create align descriptors according to the KISS format description:
+ # Class method to convert a Biopiece record
+ # into a SAM entry.
+ def self.to_sam(bp)
+ "FISK" # FIXME
+ end
+
+ # Create alignment descriptors according to the KISS
+ # format description:
# http://code.google.com/p/biopieces/wiki/KissFormat
def self.align_descriptors(sam)
- offset = 0
- align = []
+ offset = 0
+ align = []
# Insertions
sam[:CIGAR].each do |len, op|
if m =~ /\d+/ # Matches
offset += m.to_i
elsif m[0] == '^' # Deletions
- m[1 .. -1].each_char do |nt|
- align << [offset, "#{nt}>-"]
-
- deletions += 1
- offset += 1
+ m.each_char do |nt|
+ unless nt == '^'
+ align << [offset, "#{nt}>-"]
+ deletions += 1
+ offset += 1
+ end
end
else # Mismatches
m.each_char do |nt|
# Method to test if template have
# multiple fragments in sequencing.
def multi?
- flag & FLAG_MULTI
+ (flag & FLAG_MULTI) == 0
end
# Method to test if each fragment
# properly aligned according to the aligner.
def aligned?
- flag & FLAG_ALIGNED
+ (flag & FLAG_ALIGNED) == 0
end
# Method to test if the fragment was unmapped.
def unmapped?
- flag & FLAG_UNMAPPED
+ (flag & FLAG_UNMAPPED) == 0
end
# Method to test if the next fragment was unmapped.
def next_unmapped?
- flag & FLAG_NEXT_UNMAPPED
+ (flag & FLAG_NEXT_UNMAPPED) == 0
end
# Method to test if the fragment was reverse complemented.
def revcomp?
- flag & FLAG_REVCOMP
+ (flag & FLAG_REVCOMP) == 0
end
# Method to test if the next fragment was reverse complemented.
def next_revcomp?
- flag & FLAG_NEXT_REVCOMP
+ (flag & FLAG_NEXT_REVCOMP) == 0
end
# Method to test if the fragment was first in the template.
def first?
- flag & FLAG_FIRST
+ (flag & FLAG_FIRST) == 0
end
# Method to test if the fragment was last in the template.
def last?
- flag & FLAG_LAST
+ (flag & FLAG_LAST) == 0
end
# Method to test for secondary alignment.
def secondary_alignment?
- flag & FLAG_SECONDARY_ALIGNMENT
+ (flag & FLAG_SECONDARY_ALIGNMENT) == 0
end
# Method to test for quality fail.
def quality_fail?
- flag & FLAG_QUALITY_FAIL
+ (flag & FLAG_QUALITY_FAIL) == 0
end
# Method to test for PCR or optical duplicates.
def duplicates?
- flag & FLAG_DUPLICATES
+ (flag & FLAG_DUPLICATES) == 0
end
end
end