How to understand every column from BLAT mapping result ??

Question

[winter_li]

HI , The following is the head title of Blat result , But I can not find any explain about every column at the Blat package. Any friends know that ?? match match count bases count bases name size start end name size start end count match mis- rep. N's Q gap Q gap T gap T gap strand Q Q Q Q T T T T block blockSizes qStarts tStart

Thank you !

Answer 1

[GenoMax]

PSL file format definition.

[winter_li]

HI, if strand is + ,it means that the query is mapped to forward strand ? And I think 'tstart' is the alignment start position in genome ,rather than in query , it's right ?