when hard clipping the right tail of a read falls inside a deletion, clipping should fall back to the last base before the deletion to follow the ReadClipper's contract.
* RR will now compress reads that span across multiple intervals correctly and output them in the correct order.
* Fixed bug in getReadCoordinateForReferenceCoordinate where if the requested reference coordinate fell inside a deletion in the read the read would be clipped up to one element past the deletion.
-- UnitTests for key functions on reduced reads
-- PileupElement calls static functions in ReadUtils
-- Simple routine that takes a reduced read and fills in its quals with its reduced qual
b) Change md5 to reflect records that are now merged correctly.
c) Change unit merge alleles test to reflect the fact that a null non-variant vc object is not valid and not supported because there's no way to codify such object in a vcf. The code correctly converts this to a non-variant single-base event with whatever the reference is at that location.
With the current implementation, a read cannot start with a deletion or an insertion. Maybe this will change in the future, but for now, chop the leading insertion off.
b) First reimplementation of new vc merger of different types. Previous version did it in two steps, first merging all vc's per type and then trying to see if resulting vc's would be merged if alleles of one type were a subset of another, but this won't work when uniquifying genotypes since sample names would be messed up and GT sample names wouldn't match VC sample names. Now, it's actually simpler: when splitting vc's by type before merging, we check for alleles of one vc being a subset of alleles of vc of another type and if so we put them together in same list.
* Deletions now count as hard clipped bases in order to recover the original alignment start of a clipped read.
* Insertions do not count as hard clipped bases for the same reason.
* This created a bug in the previous cigar cleaning function. Fixed.
if soft clipped bases were after a hard clipped section of the read, the hard clip was clipping the left soft clip tail as if it were a right tail. Mayhem.
* Hard clipped Cigar now includes all insertions that were hard clipped and not the deletions.
* The alignment start is now recalculated according to the new hard clipped cigar representation
Big (but not major) cleanup of code in ILG - mostly excising the old likelihood model
Activated the early-abort check for ILG. I think it should be better this way.
Be careful when using this - if you're writing a bam file it will be potentially written out of order (since the previous alignment start was at the M, not the S).
Pre-softclipped reads (with high qual) are a complicated event to deal with in the Reduced Reads environment. I chose to hard clip them out for now and added a todo item to bring them back on in the future, perhaps as a variant region.
Mauricio Carneiro
Mark DePristo
Eric Banks
Khalid Shakir
Guillermo del Angel
Christopher Hartl
Christopher Hartl