def arrange_coords_1(self):
"""
The arrange Methods are present to prevent any one coordinate
being used more than once in the selectDimension1,
selectDimension2 and selectSlicedDim combo boxes.
When a coordinate is selected in any one of the combo boxes,
it checks the other 2 for matches and if matches are found
then it will put the old value for the selected combo box into
the combo box with the match.
"""
dim_1_name = self.select_dimension_1.currentText()
dim_2_name = self.select_dimension_2.currentText()
sliced_dim_name = self.select_sliced_dim.currentText()
if dim_1_name == dim_2_name:
self.select_dimension_2.setCurrentIndex(self.dim_1)
elif dim_1_name == sliced_dim_name:
self.select_sliced_dim.setCurrentIndex(self.dim_1)
self.dim_1 = self.select_dimension_1.currentIndex()
self.dim_2 = self.select_dimension_2.currentIndex()
self.dim_3 = self.select_sliced_dim.currentIndex()
if self.ndim > 2:
dim = self.select_sliced_dim.currentText()
data = gl.get_coord_values(self.cube, dim, self.dim_names)
self.fill_combo("select_slice_combo", data, True)
self.set_slice_scroll()
self.set_collapsed_dims()
def arrange_coords_2(self):
"""
Same as arrange coords 1 except that this is for when select
dimension 2 is changed.
"""
dim_1_name = self.select_dimension_1.currentText()
dim_2_name = self.select_dimension_2.currentText()
sliced_dim_name = self.select_sliced_dim.currentText()
if dim_2_name == dim_1_name:
self.select_dimension_1.setCurrentIndex(self.dim_2)
elif dim_2_name == sliced_dim_name:
self.select_sliced_dim.setCurrentIndex(self.dim_2)
self.dim_1 = self.select_dimension_1.currentIndex()
self.dim_2 = self.select_dimension_2.currentIndex()
self.dim_3 = self.select_sliced_dim.currentIndex()
if self.ndim > 2:
dim = self.select_sliced_dim.currentText()
data = gl.get_coord_values(self.cube, dim, self.dim_names)
self.fill_combo("select_slice_combo", data, True)
self.set_slice_scroll()
self.set_collapsed_dims()
def arrange_coords_2(self):
"""
Same as arrange coords 1 except that this is for when select
dimension 2 is changed.
"""
dim_1_name = self.select_dimension_1.currentText()
dim_2_name = self.select_dimension_2.currentText()
sliced_dim_name = self.select_sliced_dim.currentText()
if dim_2_name == dim_1_name:
self.select_dimension_1.setCurrentIndex(self.dim_2)
elif dim_2_name == sliced_dim_name:
self.select_sliced_dim.setCurrentIndex(self.dim_2)
self.dim_1 = self.select_dimension_1.currentIndex()
self.dim_2 = self.select_dimension_2.currentIndex()
self.dim_3 = self.select_sliced_dim.currentIndex()
if self.ndim > 2:
dim = self.select_sliced_dim.currentText()
data = gl.get_coord_values(self.cube, dim, self.dim_names)
self.fill_combo("select_slice_combo", data, True)
self.set_slice_scroll()
self.set_collapsed_dims()
def arrange_coords_1(self):
"""
The arrange Methods are present to prevent any one coordinate
being used more than once in the selectDimension1,
selectDimension2 and selectSlicedDim combo boxes.
When a coordinate is selected in any one of the combo boxes,
it checks the other 2 for matches and if matches are found
then it will put the old value for the selected combo box into
the combo box with the match.
"""
dim_1_name = self.select_dimension_1.currentText()
dim_2_name = self.select_dimension_2.currentText()
sliced_dim_name = self.select_sliced_dim.currentText()
if dim_1_name == dim_2_name:
self.select_dimension_2.setCurrentIndex(self.dim_1)
elif dim_1_name == sliced_dim_name:
self.select_sliced_dim.setCurrentIndex(self.dim_1)
self.dim_1 = self.select_dimension_1.currentIndex()
self.dim_2 = self.select_dimension_2.currentIndex()
self.dim_3 = self.select_sliced_dim.currentIndex()
if self.ndim > 2:
dim = self.select_sliced_dim.currentText()
data = gl.get_coord_values(self.cube, dim, self.dim_names)
self.fill_combo("select_slice_combo", data, True)
self.set_slice_scroll()
self.set_collapsed_dims()
def test_get_dim_values_date_time(self):
cube = tcl.setup_4d_cube()
names = gl.get_dim_names(cube)
values = gl.get_coord_values(cube, "time", names)
points = cube.coord("time").points
coord = cube.coord("time")
expected_values = [coord.units.num2date(point) for point in points]
self.assertEqual(all(values), all(expected_values))
def test_get_dim_values_date_time(self):
cube = tcl.setup_4d_cube()
names = gl.get_dim_names(cube)
values = gl.get_coord_values(cube, "time", names)
points = cube.coord("time").points
coord = cube.coord("time")
expected_values = [coord.units.num2date(point) for point in points]
self.assertEqual(all(values), all(expected_values))
def set_slice_scroll(self):
"""
Sets the correct number of steps there are in the scrollbar of the
current coordinate
"""
sliced_coord = self.select_sliced_dim.currentText()
data = gl.get_coord_values(self.cube, sliced_coord, self.dim_names)
max_slice = len(data)
self.select_slice_scroll.setMaximum(max_slice - 1)
def set_slice_scroll(self):
"""
Sets the correct number of steps there are in the scrollbar of the
current coordinate
"""
sliced_coord = self.select_sliced_dim.currentText()
data = gl.get_coord_values(self.cube, sliced_coord, self.dim_names)
max_slice = len(data)
self.select_slice_scroll.setMaximum(max_slice - 1)
def set_collapsed_dims(self):
"""
Beyond 3 dimensions, the program allows you to pick a single value
to collapse the cube around. This method fills and enables the
relevant labels and combo boxes to allow this.
"""
if self.ndim > 3:
used_dims = []
used_dims.append(self.select_dimension_1.currentText())
used_dims.append(self.select_dimension_2.currentText())
used_dims.append(self.select_sliced_dim.currentText())
unused_dims = gl.get_remaining_dims(self.dim_names, used_dims)
for i in xrange(len(unused_dims)):
label_name = "collapsed_dim_" + str(i+1)
box_name = "select_slice_index_" + str(i+1)
label = self.findChild(QtGui.QLabel, label_name)
label.setText(unused_dims[i])
data = gl.get_coord_values(self.cube, unused_dims[i],
self.dim_names)
self.fill_combo(box_name, data, True)
def set_collapsed_dims(self):
"""
Beyond 3 dimensions, the program allows you to pick a single value
to collapse the cube around. This method fills and enables the
relevant labels and combo boxes to allow this.
"""
if self.ndim > 3:
used_dims = []
used_dims.append(self.select_dimension_1.currentText())
used_dims.append(self.select_dimension_2.currentText())
used_dims.append(self.select_sliced_dim.currentText())
unused_dims = gl.get_remaining_dims(self.dim_names, used_dims)
for i in xrange(len(unused_dims)):
label_name = "collapsed_dim_" + str(i+1)
box_name = "select_slice_index_" + str(i+1)
label = self.findChild(QtGui.QLabel, label_name)
label.setText(unused_dims[i])
data = gl.get_coord_values(self.cube, unused_dims[i],
self.dim_names)
self.fill_combo(box_name, data, True)
def test_get_dim_values_anonymous_dim(self):
cube = tcl.setup_7d_anonymous_cube()
names = gl.get_dim_names(cube)
values = gl.get_coord_values(cube, "*ANONYMOUS*4", names)
expected_values = (range(5))
self.assertEqual(values, expected_values)
def test_get_dim_values_4d(self):
cube = tcl.setup_4d_cube()
names = gl.get_dim_names(cube)
values = gl.get_coord_values(cube, "grid_latitude", names)
expected_values = cube.coord("grid_latitude").points
self.assertEqual(all(values), all(expected_values))
def set_dimension_combos(self):
"""
This method is responisble for ensuring that all of the revelant
combo boxes are filled with the correct coordinate names. It is
called whenever the cube is changed.
"""
QApplication.setOverrideCursor(QtCore.Qt.WaitCursor)
self.clear_dims()
# Cube is set and the summary is printed to the information tab.
self.cube = self.get_current_cube()
self.print_cube_browser.setText(str(self.cube))
# we check to see if we need to add or remove collapsed dim slots
old_ndim = self.ndim if self.ndim > 3 else 3
new_ndim = self.cube.ndim if self.cube.ndim > 3 else 3
difference = new_ndim - old_ndim
# adds more slots until there are enough.
if difference > 0:
for i in xrange(difference):
self.num_collapsed_dims += 1
self.add_collapsed_dim(self.num_collapsed_dims)
# removes slots until there are the correct amount.
if difference < 0:
for _ in xrange(abs(difference)):
self.remove_collapsed_dim(self.num_collapsed_dims)
self.num_collapsed_dims -= 1
# Set some instance variables about the cube.
self.dim_names = gl.get_dim_names(self.cube)
self.ndim = self.cube.ndim
# Fill the combo boxes
self.fill_combo("select_dimension_1", self.dim_names, True)
if self.ndim >= 2:
self.fill_combo("select_dimension_2", self.dim_names, True)
if self.ndim >= 3:
self.fill_combo("select_sliced_dim", self.dim_names, True)
# get data on the coord points, and fill the combo box.
dim = self.select_sliced_dim.currentText()
data = gl.get_coord_values(self.cube, dim, self.dim_names)
self.fill_combo("select_slice_combo", data, True)
self.set_slice_scroll()
self.select_slice_scroll.setEnabled(True)
self.action_next_slice.setEnabled(True)
self.action_previous_slice.setEnabled(True)
self.set_initial_index()
self.set_collapsed_dims()
# Collapsed dims refers to all dimensions above 3. these dimensions
# are not the plotted dimensions, nor are they the dimension in which
# slices are to be taken... They are simply collapsed as chosen by the
# user.
self.set_enabled()
# These placeholder variables keep a record of the current state of
# the selectCoordinate combo boxes.
self.dim_1 = self.select_dimension_1.currentIndex()
self.dim_2 = self.select_dimension_2.currentIndex()
self.dim_3 = self.select_sliced_dim.currentIndex()
QApplication.restoreOverrideCursor()
def set_dimension_combos(self):
"""
This method is responisble for ensuring that all of the revelant
combo boxes are filled with the correct coordinate names. It is
called whenever the cube is changed.
"""
QApplication.setOverrideCursor(QtCore.Qt.WaitCursor)
self.clear_dims()
# Cube is set and the summary is printed to the information tab.
self.cube = self.get_current_cube()
self.print_cube_browser.setText(str(self.cube))
# we check to see if we need to add or remove collapsed dim slots
old_ndim = self.ndim if self.ndim > 3 else 3
new_ndim = self.cube.ndim if self.cube.ndim > 3 else 3
difference = new_ndim - old_ndim
# adds more slots until there are enough.
if difference > 0:
for i in xrange(difference):
self.num_collapsed_dims += 1
self.add_collapsed_dim(self.num_collapsed_dims)
# removes slots until there are the correct amount.
if difference < 0:
for _ in xrange(abs(difference)):
self.remove_collapsed_dim(self.num_collapsed_dims)
self.num_collapsed_dims -= 1
# Set some instance variables about the cube.
self.dim_names = gl.get_dim_names(self.cube)
self.ndim = self.cube.ndim
# Fill the combo boxes
self.fill_combo("select_dimension_1", self.dim_names, True)
if self.ndim >= 2:
self.fill_combo("select_dimension_2", self.dim_names, True)
if self.ndim >= 3:
self.fill_combo("select_sliced_dim", self.dim_names, True)
# get data on the coord points, and fill the combo box.
dim = self.select_sliced_dim.currentText()
data = gl.get_coord_values(self.cube, dim, self.dim_names)
self.fill_combo("select_slice_combo", data, True)
self.set_slice_scroll()
self.select_slice_scroll.setEnabled(True)
self.action_next_slice.setEnabled(True)
self.action_previous_slice.setEnabled(True)
self.set_initial_index()
self.set_collapsed_dims()
# Collapsed dims refers to all dimensions above 3. these dimensions
# are not the plotted dimensions, nor are they the dimension in which
# slices are to be taken... They are simply collapsed as chosen by the
# user.
self.set_enabled()
# These placeholder variables keep a record of the current state of
# the selectCoordinate combo boxes.
self.dim_1 = self.select_dimension_1.currentIndex()
self.dim_2 = self.select_dimension_2.currentIndex()
self.dim_3 = self.select_sliced_dim.currentIndex()
QApplication.restoreOverrideCursor()
def test_get_dim_values_anonymous_dim(self):
cube = tcl.setup_7d_anonymous_cube()
names = gl.get_dim_names(cube)
values = gl.get_coord_values(cube, "*ANONYMOUS*4", names)
expected_values = (range(5))
self.assertEqual(values, expected_values)
def test_get_dim_values_4d(self):
cube = tcl.setup_4d_cube()
names = gl.get_dim_names(cube)
values = gl.get_coord_values(cube, "grid_latitude", names)
expected_values = cube.coord("grid_latitude").points
self.assertEqual(all(values), all(expected_values))
