Hi everyone,
This is my first posting on matplotlib-devel. I have only picked up python
and MPL a year ago for some bioinformatics stuff and I love it. I have
never been involved in contributing to an open-source project but I would
love to help. I have only basic understanding of tools like svn etc, and I
have never coded in a collaborative environment. Let me know the best way
for me to help.
Here is my problem:
I am trying to create a scatter plot with log axes (where all the values are
<1), but I also want to plot points that are zero-valued. I tried to use
the symlog scale with a linthreshold of 1e-5 or so, but it wasn't working as
expected. I looked into the code and it appears that the implementation for
SymmetricalLogTransform is designed only to handle linthresh parameters
>=1. The transform does funny things if the threshold is smaller.
It's not obvious to me how to implement a scale that can handle positive and
negative values for a threshold < 1 (which is maybe why it is implemented
currently as it is). Would it make most sense for me to try to modify the
symlog scale to handle this case? Or write a completely new scale
specifically for this purpose, which I can contribute separately?
Also, how would I actually make the contribution? If I were to modify the
current SymmetricalLogTransform, would I provide a diff output from the
current SVN version? Or commit it myself? And what about if I were to
write a new scale?
Thanks for the help!
Uri
--
Uri Laserson
PhD Candidate, Biomedical Engineering
Harvard Medical School (Genetics)
Massachusetts Institute of Technology (Mathematics)
phone +1 917 742 8019
laser...@mit.edu
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