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simphony / simphony-mayavi

The mayavi adapters to the simphony framework
BSD 2-Clause "Simplified" License
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LATTICE_VECTORS causes cuba_data_accumulator to error #135

Closed kitchoi closed 8 years ago

kitchoi commented 8 years ago

This will give AssertionError in tvtk

from simphony.cuds.particles import Particles
from simphony.testing.utils import create_particles
from simphony.core.cuba import CUBA
from simphony.visualisation import mayavi_tools

particles = create_particles() # restrict=[CUBA.LATTICE_VECTORS])
cuds = Particles("test")
cuds.add_particles(particles)

mayavi_tools.show(cuds)

That is because in cuba_data_accumulator.load_onto_vtk:

default = dummy_cuba_value(cuba)  # cuba = CUBA.LATTICE_VECTORS for this bug
...
   elif isinstance(default, numpy.ndarray) and len(default) == 3:
       # do stuff for vector values

shape of LATTICE_VECTORS is [3, 3], default is a 3x3 array and so len(default) == 3 and it is mistaken as a vector.