def test_multi_block_repr():
multi = vtki.MultiBlock()
# Add examples
multi.append(ex.load_ant())
multi.append(ex.load_sphere())
multi.append(ex.load_uniform())
multi.append(ex.load_airplane())
multi.append(None)
# Now check everything
assert multi.n_blocks == 5
assert multi._repr_html_() is not None
def test_combine_filter():
multi = vtki.MultiBlock()
# Add examples
multi.append(ex.load_ant())
multi.append(ex.load_sphere())
multi.append(ex.load_uniform())
multi.append(ex.load_airplane())
multi.append(ex.load_globe())
# Now check everything
assert multi.n_blocks == 5
# Now apply the geometry filter to combine a plethora of data blocks
geom = multi.combine()
assert isinstance(geom, vtki.UnstructuredGrid)
def test_export_multi(tmpdir):
filename = str(tmpdir.mkdir("tmpdir").join('scene'))
multi = vtki.MultiBlock()
# Add examples
multi.append(ex.load_ant())
multi.append(ex.load_sphere())
multi.append(ex.load_uniform())
multi.append(ex.load_airplane())
multi.append(ex.load_rectilinear())
# Create the scene
plotter = vtki.Plotter(off_screen=OFF_SCREEN)
plotter.add_mesh(multi)
plotter.export_vtkjs(filename, compress_arrays=True)
cpos_out = plotter.show() # Export must be called before showing!
plotter.close()
# Now make sure the file is there
assert os.path.isfile('{}.vtkjs'.format(filename))
def test_multi_block_io(extension, binary, tmpdir):
filename = str(tmpdir.mkdir("tmpdir").join('tmp.%s' % extension))
multi = vtki.MultiBlock()
# Add examples
multi.append(ex.load_ant())
multi.append(ex.load_sphere())
multi.append(ex.load_uniform())
multi.append(ex.load_airplane())
multi.append(ex.load_globe())
# Now check everything
assert multi.n_blocks == 5
# Save it out
multi.save(filename, binary)
foo = vtki.MultiBlock(filename)
assert foo.n_blocks == multi.n_blocks
foo = vtki.read(filename)
assert foo.n_blocks == multi.n_blocks
def test_multi_block_append():
"""This puts all of the example data objects into a a MultiBlock container"""
multi = vtki.MultiBlock()
# Add examples
multi.append(ex.load_ant())
multi.append(ex.load_sphere())
multi.append(ex.load_uniform())
multi.append(ex.load_airplane())
multi.append(ex.load_rectilinear())
# Now check everything
assert multi.n_blocks == 5
assert multi.bounds is not None
assert isinstance(multi[0], vtki.PolyData)
assert isinstance(multi[1], vtki.PolyData)
assert isinstance(multi[2], vtki.UniformGrid)
assert isinstance(multi[3], vtki.PolyData)
assert isinstance(multi[4], vtki.RectilinearGrid)
def test_load_ant():
""" Load ply ant mesh """
mesh = examples.load_ant()
assert mesh.n_points