[Biopython] How to rotate the labels in Bio.Graphics.BasicChromosome module in biopython?

Peter Cock p.j.a.cock at googlemail.com
Tue Jan 23 15:44:07 UTC 2018

Hello David,

Currently our code does not offer any way to rotate the labels -
although the underlying graphics library ReportLab does support this.

To do this you'd need to enhance the code in:


Also might landscape paper and/or multiple pages help?



On Tue, Jan 23, 2018 at 2:24 PM, CCWU <ccwu1212 at gate.sinica.edu.tw> wrote:
> HI,
> I try to draw the single chromosome of various lines.
> It goes well except the labels of chromosome are too close and then are
> overlapping.
> Attached please find the part of result.
> I would like to ask is how to rotate the labels 90 degrees?
> Thanks a lot
> David
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