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python-qutip
qutip-3.1.0-bloch3d.patch
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File qutip-3.1.0-bloch3d.patch of Package python-qutip
--- qutip-3.1.0.orig/qutip/bloch3d.py 2016-03-24 17:34:28.538700206 -0400 +++ qutip-3.1.0/qutip/bloch3d.py 2016-03-24 17:58:08.651691198 -0400 @@ -319,9 +319,11 @@ class Bloch3d(): """ if isinstance(vectors[0], (list, np.ndarray)): for vec in vectors: - self.vectors.append(vec) + #Convert to numpy.float64. VTK7 does not recognize int64! + self.vectors.append(np.array(vec,dtype='float64')) else: - self.vectors.append(vectors) + #Convert to numpy.float64. VTK7 does not recognize int64! + self.vectors.append(np.array(vectors,dtype='float64')) def plot_vectors(self): """ @@ -329,6 +331,10 @@ class Bloch3d(): """ from mayavi import mlab from tvtk.api import tvtk + #Use configure_input for vtk7 + from tvtk.common import is_old_pipeline + if not is_old_pipeline(): + from tvtk.common import configure_input import matplotlib.colors as colors ii = 0 for k in range(len(self.vectors)): @@ -352,7 +358,13 @@ class Bloch3d(): cone = tvtk.ConeSource(height=self.vector_head_height, radius=self.vector_head_radius, resolution=100) - cone_mapper = tvtk.PolyDataMapper(input=cone.output) + if is_old_pipeline(): + #The following won't work with vtk-6 and higher. + cone_mapper = tvtk.PolyDataMapper(input=cone.output) + else: + #Using new API for vtk-6 and 7 + cone_mapper = tvtk.PolyDataMapper() + configure_input(cone_mapper, cone) prop = tvtk.Property(opacity=self.vector_alpha, color=color) cc = tvtk.Actor(mapper=cone_mapper, property=prop) cc.rotate_z(np.degrees(phi))
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