def testDropNewNxdata(self):
data = numpy.array([[[5]]])
nxdata = commonh5.Group("foo")
nxdata.attrs["NX_class"] = "NXdata"
nxdata.attrs["signal"] = "signal"
nxdata.create_dataset("signal", data=data)
mimedata = Hdf5DatasetMimeData(dataset=nxdata)
self.model.dropMimeData(mimedata, qt.Qt.CopyAction, -1, -1, qt.QModelIndex())
self.assertEqual(self.model.rowCount(qt.QModelIndex()), 2)
def testCreateNxdataFromNxdata(self):
widget = CustomNxdataWidget()
model = widget.model()
data = numpy.array([[[5]]])
nxdata = commonh5.Group("foo")
nxdata.attrs["NX_class"] = "NXdata"
nxdata.attrs["signal"] = "signal"
nxdata.create_dataset("signal", data=data)
model.createFromNxdata(nxdata)
widget.setVisible(True)
self.qWaitForWindowExposed(widget)
def createVirtualGroup(self):
"""Returns a new virtual Group using a NeXus NXdata structure to store
data
:rtype: silx.io.commonh5.Group
"""
name = ""
if self.__title is not None:
name = self.__title
virtual = commonh5.Group(name)
virtual.attrs["NX_class"] = "NXdata"
if self.__title is not None:
virtual.attrs["title"] = self.__title
if self.__signal is not None:
signal = self.__signal.getDataset()
if signal is not None:
# Could be done using a link instead of a copy
node = commonh5.DatasetProxy("signal", target=signal)
virtual.attrs["signal"] = "signal"
virtual.add_node(node)
axesAttr = []
for i, axis in enumerate(self.__axes):
if axis is None:
name = "."
else:
axis = axis.getDataset()
if axis is None:
name = "."
else:
name = "axis%d" % i
node = commonh5.DatasetProxy(name, target=axis)
virtual.add_node(node)
axesAttr.append(name)
if axesAttr != []:
virtual.attrs["axes"] = numpy.array(axesAttr)
validator = silx.io.nxdata.NXdata(virtual)
if not validator.is_valid:
message = "<html>"
message += "This NXdata is not consistant"
message += "<ul>"
for issue in validator.issues:
message += "<li>%s</li>" % issue
message += "</ul>"
message += "</html>"
self.__setError(message)
else:
self.__setError(None)
return virtual
def create_NXentry(group, name):
attrs = {"NX_class": "NXentry"}
node = commonh5.Group(name, parent=group, attrs=attrs)
group.add_node(node)
return node
