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Changes for version 1.49

  • In recent months more and more das sources appeared that provide very condensed value based data. Sometimes it is a feature per every 50 basepairs or even a feature per amino acid. It causes two major problems: 1 - amount of XML being transferred is huge 2 - Ensembl can only do simple merge of the features, i.e just pick max or min value - and in some cases das sources providers want to use a completely different dataset for a different size and resolution of the viewed region.
  • To solve these problems we have introduced a new `maxbins` parameter to the `features` das request. Using this parameter Ensembl tells all das sources what is the width in pixels of the image used to display the features. Then the das sources smart enough to understand the parameter will merge the features themselves and for the rest Ensembl will do the work.

Modules

Perl extension for the DAS (HTTP+XML) Protocol (http://biodas.org/)
A derivative of LWP::Parallel::UserAgent for Bio::Das::Lite use
A derivative of LWP::Parallel::UserAgent for Bio::Das::Lite use
a compatibility wrapper around Bio::Das::Lite