Hi,
You are more than welcome to give it a go. relax has been
specifically designed to make it easy for non-programmers to get
involved.
The first thing to do if you haven't played with Python before would
be to have a read of the Python Tutorial
(http://docs.python.org/tut/). The core of relax is written in Python
which is one of the easiest languages to learn. The Python Library
Reference (http://docs.python.org/lib/lib.html) and Python Reference
Manual (http://docs.python.org/ref/ref.html) are useful for reference
when you are coding.
The relax development chapter of the user manual describes the tools
needed, the relax coding conventions, how to submit changes, the steps
in becoming a full committer, the commit message format, an overview
of the structure of the relax source code, the relax mailing lists and
bug, task and support request trackers, and how you should make as
many URL links as possible.
Because the relax source code is highly documented in plain English I
would recommend reading parts of the code. All of relax is heavily
documented with about 20% of all non-empty lines being comments.
The addition of code for reduced spectral density mapping
extrapolation to determine J(0) at multiple field strengths (see
https://mail.gna.org/public/relax-users/2006-12/msg00003.html,
Message-id:
<7f080ed10612020650v35859880kb06b327442d6fda5@xxxxxxxxxxxxxx>)
will require a bit of planning. Firstly you'll need to pick the exact
technique you would like to implement and determine whether
mathematical optimisation (i.e. the 'minimise()' user function is
called) or if a simpler direct calculation is required (i.e. the
'calc()' user function is called). One or two new user functions will
need to be created to select which of the numerous reduced spectral
density mapping techniques should be utilised. This could be called
something like 'jw_mapping.select_technique()'.
The reduced spectral density mapping code will need to be broken into
separate sections for the 'prompt', 'specific_fns', and 'maths_fns'
directories. I would suggest creating the code in that order,
possibly by cutting and pasting then modifying existing
code/functions. As the 1.2 repository line has stabilised and is now
reserved for bugfixes, the changes should occur in the 1.3 repository
line. Don't hesitate to ask if you have any other questions.
Edward
On 1/11/07, Sebastien Morin <sebastien.morin.1@xxxxxxxxx> wrote:
Hi everyone
Some weeks ago, after one question of mine on reduced spectral density
mapping, Edward proposed that someone could add the multiple field J(0)
optimization feature to relax in order to improve the jw mapping option.
I could be interested in that task... However, I must confess I am no
programmer, but would like to get some skills and I think this kind of
project could be interesting for me.
So, my question here is how do I do to get started ?
I think I must first become a developper for relax... Is that right ?
Thanks and happy new year !
Sébastien
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