[SciPy-dev] Continuous Wavelet Transform for SciPy

[Charles R Harris]

Hi Sean,

On Mon, Mar 2, 2009 at 8:25 PM, Sean Arms <lesserwhirls@gmail.com> wrote:

> Greetings!
>
>        My name is Sean Arms and I'm a graduate student at the University of
> Oklahoma in the School of Meteorology.  As part of my PhD research, I'm
> studying coherent structures in atmospheric boundary layer turbulence,
> primarily using in-situ observations and, secondarily, Direct Numerical
> Simulation (DNS) output.  One common approach for detecting coherent
> structures in observational datasets relies on the use of the global wavelet
> power spectrum as estimated from a continuous wavelet transform (CWT).  I
> know SciPy has a DWT impementation, and I've already been in contact with
> Filip.  He recommeded that I post my code in hopes that it would add some
> momentum to the python-cwt development and create some feedback (I'm
> currently looking for a good place to post my code).  I've implemented the
> CWT using pure python (that is, I did not write any C extension code myself
> - nothing to build), along with one mother wavelet (second derivitive of a
> Gaussian, or the Mexican Hat) - I'll be adding more Mother wavelets as I go
> along.  I've made it a point to (try to) design my MotherWavelet class to be
> easily extendable.  I'm working on documentation and a few tests at the
> moment, but so far my code compares well with other wavelet routines.
>
>      The point of this email is to introduce myself and let the SciPy dev
> community know that I am willing to help develop CWT support for SciPy -
> I'll already be doing the work for my research, so I might as well put in
> the extra effort to make is usable by the larger community!
>

If you are running on Linux someone here should be able to give you some
pointers on using the git mirror and posting your code for review. There
will be a howto page at some point...

Chuck
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