[SciPy-user] spline wavelet decomposition

[Filip Wasilewski]

Hi Nils,

can you provide more details on your build environment?

Please note that you need the Pyrex branch from the lxml project in
order to build pywt from source -- import from
http://codespeak.net/svn/lxml/pyrex/ svn repository.

Filip


On 5/8/07, Nils Wagner <nwagner at iam.uni-stuttgart.de> wrote:
> Stefan van der Walt wrote:
> > Hi Issa
> >
> > On Fri, May 04, 2007 at 01:47:45PM +0200, Issa Karambal wrote:
> >
> >> if there anyone who knows how to simulate 'spline wavelet decomposition
> >> and reconstruction' for a given signal 'f'.
> >>
> >
> > Take a look at
> >
> > http://wavelets.scipy.org
> >
> > which includes different wavelet families, including Haar, Daubechies,
> > Symlets, Coiflets and more.
> >
> > 'demo/dwt_signal_decomposition.py' shows how a signal is decomposed.
> >
> > Regards
> > Stéfan
> >
> > _______________________________________________
> > SciPy-user mailing list
> > SciPy-user at scipy.org
> > http://projects.scipy.org/mailman/listinfo/scipy-user
> >
> Hi all,
>
> I tried to install pywt via svn.
>
> python setup.py build
> running build
> running build_py
> creating build
> creating build/lib.linux-x86_64-2.4
> creating build/lib.linux-x86_64-2.4/pywt
> copying pywt/numerix.py -> build/lib.linux-x86_64-2.4/pywt
> copying pywt/wavelet_packets.py -> build/lib.linux-x86_64-2.4/pywt
> copying pywt/wnames.py -> build/lib.linux-x86_64-2.4/pywt
> copying pywt/tresholding.py -> build/lib.linux-x86_64-2.4/pywt
> copying pywt/release_details.py -> build/lib.linux-x86_64-2.4/pywt
> copying pywt/__init__.py -> build/lib.linux-x86_64-2.4/pywt
> copying pywt/multilevel.py -> build/lib.linux-x86_64-2.4/pywt
> copying pywt/multidim.py -> build/lib.linux-x86_64-2.4/pywt
> running build_ext
> building 'pywt._pywt' extension
> Traceback (most recent call last):
>   File "setup.py", line 77, in ?
>     do_setup()
>   File "setup.py", line 72, in do_setup
>     cmdclass = cmdclass,
>   File "/usr/lib64/python2.4/distutils/core.py", line 149, in setup
>     dist.run_commands()
>   File "/usr/lib64/python2.4/distutils/dist.py", line 946, in run_commands
>     self.run_command(cmd)
>   File "/usr/lib64/python2.4/distutils/dist.py", line 966, in run_command
>     cmd_obj.run()
>   File "/usr/lib64/python2.4/distutils/command/build.py", line 112, in run
>     self.run_command(cmd_name)
>   File "/usr/lib64/python2.4/distutils/cmd.py", line 333, in run_command
>     self.distribution.run_command(command)
>   File "/usr/lib64/python2.4/distutils/dist.py", line 966, in run_command
>     cmd_obj.run()
>   File "/usr/lib64/python2.4/distutils/command/build_ext.py", line 279,
> in run
>     self.build_extensions()
>   File "/usr/lib64/python2.4/distutils/command/build_ext.py", line 405,
> in build_extensions
>     self.build_extension(ext)
>   File "/usr/lib64/python2.4/distutils/command/build_ext.py", line 442,
> in build_extension
>     sources = self.swig_sources(sources, ext)
> TypeError: swig_sources() takes exactly 2 arguments (3 given)
>
>
> Any idea how to fix this problem ?
>
> Nils
>
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>