def test(self):
from lazyflow.graph import Graph, MetaDict
from lazyflow.operators import OpArrayPiper
graph = Graph()
opDataSource = OpArrayPiper(graph=graph)
opDataSource.Input.setValue(numpy.ndarray((9, 10), dtype=numpy.uint8))
# Create some metadata
shape = (1, 2, 3, 4, 5)
data = numpy.indices(shape, dtype=int).sum(0)
meta = MetaDict()
meta.specialdata = "Salutations"
meta.notsospecial = "Hey"
opProvider = OpOutputProvider(data, meta, graph=graph)
op = OpMetadataMerge(graph=graph)
op.Input.connect(opDataSource.Output)
op.MetadataSource.connect(opProvider.Output)
op.FieldsToClone.setValue(["specialdata"])
assert op.Output.ready()
assert op.Output.meta.shape == opDataSource.Output.meta.shape
assert op.Output.meta.dtype == opDataSource.Output.meta.dtype
assert op.Output.meta.specialdata == meta.specialdata
assert op.Output.meta.notsospecial is None
def test(self):
from lazyflow.graph import Graph, MetaDict
g = Graph()
# Create some data to give
shape = (1,2,3,4,5)
data = numpy.indices(shape, dtype=int).sum(0)
meta = MetaDict()
meta.axistags = vigra.defaultAxistags( 'xtycz' )
meta.shape = shape
meta.dtype = int
opProvider = OpOutputProvider( data, meta, graph=g )
assert (opProvider.Output[0:1, 1:2, 0:3, 2:4, 3:5].wait() == data[0:1, 1:2, 0:3, 2:4, 3:5]).all()
for k,v in meta.items():
if k != '_ready' and k != '_dirty':
assert opProvider.Output.meta[k] == v
def test(self):
from lazyflow.graph import Graph, MetaDict
g = Graph()
# Create some data to give
shape = (1, 2, 3, 4, 5)
data = numpy.indices(shape, dtype=int).sum(0)
meta = MetaDict()
meta.axistags = vigra.defaultAxistags('xtycz')
meta.shape = shape
meta.dtype = int
opProvider = OpOutputProvider(data, meta, graph=g)
op = OpMetadataSelector(graph=g)
op.Input.connect(opProvider.Output)
op.MetadataKey.setValue('shape')
assert op.Output.value == shape
op.MetadataKey.setValue('axistags')
assert op.Output.value == meta.axistags