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Left aligning a variant means shifting the start position of that variant to the left till it is no longer possible to do so. It is a concept associated with insertion and deletion variants and describes specifically the nature of a position of a variant as opposed to its length. In order to further differentiate left alignment from simply left padding a variant, the definition is as follows:
Left aligning a variant means shifting the start position of that variant to the left till it is no longer possible to do so. It is a concept associated with insertion and deletion variants and describes specifically the nature of a position of a variant as opposed to its length. In order to further differentiate left alignment from simply left padding a variant, the definition is as follows:
A variant is left aligned if it is no longer possible to shift its position
A variant is left aligned if and only if it is no longer possible to shift its position
to the left while keeping the length of all its alleles constant.
to the left while keeping the length of all its alleles constant.
