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Population-scale genomics

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Current TreeSequence.at() and other methods to seek to a particular tree work by iterating along the trees. This isn't very efficient, if we want to get a tree in the...

enhancement
C API
Python API

Currently windows in the stats calculations insist on starting with 0 and ending with L. Relax this to allow windows within the sequence.

enhancement

We're getting some very powerful tools with the new draw_svg() functions, but we're missing a simple way to annotate a tree sequence (like say, node colours) without having to be...

enhancement
Python API
Visualisation

For teaching purposes, and possibly for other reasons too, I think it would be really useful to be able to load a tree sequence from a URL. IMO the nicest...

enhancement
Python API
future

In https://github.com/tskit-dev/tskit/issues/1253#issuecomment-801794457 @benjeffery suggested we might like to be able to visualise edges in `tree.draw_svg()` plots to give an idea of the span covered by each edge.

Visualisation

I'm just looking at the viz tutorial. It strikes me that, now we have capable metadata (thanks @benjeffery !) it would be much more user friendly when creating an SVG...

Visualisation

This would be useful for generating the last tree in the ordering, as discussed in #944. We'd like to be able to write ```python tree = tskit.Tree.unrank((-1, 0), 6) ```

enhancement
good first issue
Python API

There are many situations where it's handy to know what the max and min times are, and it would be nice if we could avoid having to do a full...

enhancement
C API
Python API

Advertise possibilities, advise of limitations and give an example of loading a ts from a URL and plotting it.

documentation

As noted in the docs, the `genotype_matrix` method can be very memory intensive. As we get to larger datasets, I suspect users might want to only extract portions of the...

enhancement
C API
Python API