def __init__(self, cdmsFile=None, var=None, parent=None):
super(QAxisList, self).__init__(parent)
self.axisWidgets = [] # List of QAxis widgets
self.cdmsFile = cdmsFile # cdms file associated with the variable
self._var = None
# Init & set the layout
self.vbox = QtGui.QVBoxLayout()
vbox = QtGui.QVBoxLayout()
vbox.addWidget(header_label("Dimensions"))
vbox.addLayout(self.vbox)
vbox.addStretch()
vbox.setSpacing(0)
vbox.setContentsMargins(5, 5, 5, 5)
self.setLayout(vbox)
self.latitude = None
self.longitude = None
self.roi_vbox = QtGui.QVBoxLayout()
self.roi_layout = QtGui.QHBoxLayout()
self.roi_layout.addLayout(self.roi_vbox)
roi_preview = QtGui.QVBoxLayout()
self.roi_sample = ROIPreview((200, 200))
roi_preview.addWidget(self.roi_sample)
self.roi_layout.addLayout(roi_preview)
vbox.addLayout(self.roi_layout)
self.var = var
class QAxisList(QtGui.QWidget):
axisEdited = QtCore.Signal(object)
""" Widget containing a list of axis widgets for the selected variable """
def __init__(self, cdmsFile=None, var=None, parent=None):
super(QAxisList, self).__init__(parent)
self.axisWidgets = [] # List of QAxis widgets
self.cdmsFile = cdmsFile # cdms file associated with the variable
self._var = None
# Init & set the layout
self.vbox = QtGui.QVBoxLayout()
vbox = QtGui.QVBoxLayout()
vbox.addWidget(header_label("Dimensions"))
vbox.addLayout(self.vbox)
vbox.addStretch()
vbox.setSpacing(0)
vbox.setContentsMargins(5, 5, 5, 5)
self.setLayout(vbox)
self.latitude = None
self.longitude = None
self.roi_vbox = QtGui.QVBoxLayout()
self.roi_layout = QtGui.QHBoxLayout()
self.roi_layout.addLayout(self.roi_vbox)
roi_preview = QtGui.QVBoxLayout()
self.roi_sample = ROIPreview((200, 200))
roi_preview.addWidget(self.roi_sample)
self.roi_layout.addLayout(roi_preview)
vbox.addLayout(self.roi_layout)
self.var = var
def clear(self):
""" Remove the QAxis widgets, empty axisWidgets and axesNames lists from
the grid layout
"""
for widget in self.axisWidgets:
widget.deleteLater()
self.axisWidgets = []
def getKwargs(self):
kwargs = {}
for widget in self.axisWidgets:
key, bounds = widget.getSelector()
kwargs[key] = bounds
return kwargs
def getLatLon(self):
if self._var is None:
return None, None
lat_ax = None
lon_ax = None
for axis in self._var.getAxisList():
if axis.isLatitude():
lat_ax = axis
if axis.isLongitude():
lon_ax = axis
return lat_ax, lon_ax
def getROI(self):
if self._var is None:
return
for w in self.axisWidgets:
if w.axis.isLatitude():
lat_bot, lat_top = w.getBotTop()
if w.axis.isLongitude():
lon_bot, lon_top = w.getBotTop()
return (lat_bot, lat_top), (lon_bot, lon_top)
def setROI(self, latitude=None, longitude=None):
if latitude is not None and self.latitude is not None:
self.latitude.setBotTop(*latitude)
if longitude is not None and self.longitude is not None:
self.longitude.setBotTop(*longitude)
def updateROI(self, axis):
min_lat, max_lat = self.latitude.getBotTop()
min_lon, max_lon = self.longitude.getBotTop()
self.roi_sample.setLatRange(min_lat, max_lat)
self.roi_sample.setLonRange(min_lon, max_lon)
def getVar(self):
return self._var.get_original()(**self.getKwargs())
def setVar(self, var):
""" Iterate through the variable's axes and create and initialize an Axis
object for each axis.
"""
self.clear()
self._var = var
if var is None:
return
orig = var.get_original()
var_axes = {ax.id: ax for ax in var.getAxisList()}
for axis in orig.getAxisList():
w = AxisBoundsChooser(var_axes[axis.id], source_axis=axis)
if axis.isLatitude():
self.latitude = w
elif axis.isLongitude():
self.longitude = w
else:
self.vbox.addWidget(w)
w.boundsEdited.connect(self.axisEdited.emit)
self.axisWidgets.append(w)
if self.latitude is not None:
if self.longitude is not None:
self.roi_vbox.addWidget(self.latitude)
self.roi_vbox.addWidget(self.longitude)
self.layout().addLayout(self.roi_layout)
self.latitude.boundsEdited.connect(self.updateROI)
self.longitude.boundsEdited.connect(self.updateROI)
else:
self.layout().addWidget(self.latitude)
elif self.longitude is not None:
self.layout().addWidget(self.longitude)
var = property(getVar, setVar)