On 14/02/2012 13:52, Debashish Saha wrote:
> import numpy
>
> from enthought.mayavi import mlab
>
> #def test_mesh():
> #"""A very pretty picture of spherical harmonics translated from
>
> #the octaviz example."""
> for r in range (1,5):
> print r
>
>
> pi = numpy.pi
>
> cos = numpy.cos
>
> sin = numpy.sin
>
> dphi, dtheta, dz = pi/250.0, pi/250.0, 0.01
>
> #[phi,theta] = numpy.mgrid[0:pi+dphi*1.5:dphi,0:2*pi+dtheta*1.5:dtheta]
> [phi,z] = numpy.mgrid[0:2*pi+dphi*1.5:dphi,0:2+dz*1.5:dz]
>
> m0 = 4; m1 = 3; m2 = 2; m3 = 3; m4 = 6; m5 = 2; m6 = 6; m7 = 4;
>
> # r = sin(m0*phi)**m1 + cos(m2*phi)**m3 + 5*sin(m4*theta)**m5 +
> cos(m6*theta)**m7
>
> #x = 1*sin(phi)*cos(theta)
>
> #y = 1*sin(phi)*sin(theta)
>
> #z = 1*cos(phi);
> x=r*cos(phi)
> y=r*sin(phi)
> z=z
> i=['Reds','greens','autumn','purples']
> print i[r-1]
> e=i[r-1]
>
> mlab.mesh(x, y, z,colormap='e')
> #print i[r-1]
>
> Error:
> TypeError Traceback (most recent call last)
> C:\Python27\lib\site-packages\IPython\utils\py3compat.pyc in
> execfile(fname, glob, loc)
> 166 else:
> 167 filename = fname
> --> 168 exec compile(scripttext, filename, 'exec') in glob, loc
> 169 else:
> 170 def execfile(fname, *where):
>
> C:\Users\as\jhgf.py in<module>()
> 24 print i[r-1]
> 25 e=i[r-1]
> ---> 26 mlab.mesh(x, y, z,'e')
> 27 #print i[r-1]
>
> 28
>
> C:\Python27\lib\site-packages\mayavi\tools\helper_functions.pyc in
> the_function(*args, **kwargs)
> 32 def document_pipeline(pipeline):
> 33 def the_function(*args, **kwargs):
> ---> 34 return pipeline(*args, **kwargs)
> 35
> 36 if hasattr(pipeline, 'doc'):
>
> C:\Python27\lib\site-packages\mayavi\tools\helper_functions.pyc in
> __call__(self, *args, **kwargs)
> 77 scene.disable_render = True
> 78 # Then call the real logic
>
> ---> 79 output = self.__call_internal__(*args, **kwargs)
> 80 # And re-enable the rendering, if needed.
>
> 81 if scene is not None:
>
> C:\Python27\lib\site-packages\mayavi\tools\helper_functions.pyc in
> __call_internal__(self, *args, **kwargs)
> 830 filters.
> 831 """
> --> 832 self.source = self._source_function(*args, **kwargs)
> 833 kwargs.pop('name', None)
> 834 self.store_kwargs(kwargs)
>
> TypeError: grid_source() takes exactly 3 arguments (4 given)
>
> ------------------------------------------------------------------------------
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Didn't this get answered on the python tutor mailing list within the
last couple of hours? What's with it with you?
--
Cheers.
Mark Lawrence.
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