This is not tested, but...

GIntervalTree extends GenomicRanges  so, in principle, can be used in the 
rowData slot of SummarizedExperiment. I tried to make GIntervalTree support as 
much of the GenomicRanges interface as I could so this may work already for 
overlap queries where the SummarizedExperiment object is the subject. I'll test 
this soon and let you know.

On Thu, Aug 1, 2013 at 3:12 PM, Kasper Daniel Hansen
<kasperdanielhan...@gmail.com> wrote:

> Now that we have GIntervalTree, I am really interested in a
> SummarizedExperiment that stores its index in a slot, so it can be indexed
> once.  I am sure other people are greedily eyeing this as well.  Either
> changing the class or extending it.
> Unfortunately, I will not have time to work on this for some weeks, but I
> wanted to put the idea out there.
> Best,
> Kasper
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