def test_pressure2flightlevel():
assert thermolib.pressure2flightlevel(100000 * units.Pa).magnitude == pytest.approx(3.6378724)
assert thermolib.pressure2flightlevel(75000 * units.Pa).magnitude == pytest.approx(80.91139)
assert thermolib.pressure2flightlevel(50000 * units.Pa).magnitude == pytest.approx(182.8850)
assert thermolib.pressure2flightlevel(10000 * units.Pa).magnitude == pytest.approx(530.8279)
assert thermolib.pressure2flightlevel(3000 * units.Pa).magnitude == pytest.approx(782.4335)
assert thermolib.pressure2flightlevel(550 * units.Pa).magnitude == pytest.approx(1151.9583)
assert thermolib.pressure2flightlevel(80 * units.Pa).magnitude == pytest.approx(1626.8966)
assert thermolib.pressure2flightlevel(40 * units.Pa).magnitude == pytest.approx(1804.2727)
with pytest.raises(ValueError):
thermolib.pressure2flightlevel(3.9 * units.Pa)
def verticalunitsclicked(self, index):
new_unit = self._suffixes[index]
old_unit = self.sbPbot.suffix().strip()
if new_unit == old_unit:
return
self.setBotTopLimits("maximum")
for sb in (self.sbPbot, self.sbPtop):
sb.setSuffix(" " + new_unit)
if new_unit == "hPa":
sb.setValue(
thermolib.flightlevel2pressure(
convert_to(sb.value(), old_unit, "hft", 1) *
units.hft).to(units.hPa).magnitude)
elif old_unit == "hPa":
sb.setValue(
convert_to(
thermolib.pressure2flightlevel(
sb.value() * units.hPa).magnitude, "hft",
new_unit))
else:
sb.setValue(convert_to(sb.value(), old_unit, new_unit, 1))
self.setBotTopLimits(self.cbVerticalAxis.currentText())
def setData(self, index, value, role=QtCore.Qt.EditRole, update=True):
"""
Change a data element of the flight track; overrides the
corresponding QAbstractTableModel method.
NOTE: Performance computations loose their validity if a change is made.
"""
if index.isValid() and 0 <= index.row() < len(self.waypoints):
waypoint = self.waypoints[index.row()]
column = index.column()
index2 = index # in most cases only one field is being changed
if column == LOCATION:
waypoint.location = variant_to_string(value)
elif column == LAT:
try:
# The table fields accept basically any input.
# If the string cannot be converted to "float" (raises ValueError), the user input is discarded.
value = variant_to_float(value)
except TypeError as ex:
logging.error("unexpected error: %s %s %s %s", type(ex),
ex, type(value), value)
except ValueError as ex:
logging.error("%s", ex)
else:
waypoint.lat = value
waypoint.location = ""
loc = find_location(waypoint.lat, waypoint.lon, 1e-3)
if loc is not None:
waypoint.lat, waypoint.lon = loc[0]
waypoint.location = loc[1]
# A change of position requires an update of the distances.
if update:
self.update_distances(index.row())
# Notify the views that items between the edited item and
# the distance item of the corresponding waypoint have been
# changed.
# Delete the location name -- it won't be valid anymore
# after its coordinates have been changed.
index2 = self.createIndex(index.row(), LOCATION)
elif column == LON:
try:
# The table fields accept basically any input.
# If the string cannot be converted to "float" (raises ValueError), the user input is discarded.
value = variant_to_float(value)
except TypeError as ex:
logging.error("unexpected error: %s %s %s %s", type(ex),
ex, type(value), value)
except ValueError as ex:
logging.error("%s", ex)
else:
waypoint.lon = value
waypoint.location = ""
loc = find_location(waypoint.lat, waypoint.lon, 1e-3)
if loc is not None:
waypoint.lat, waypoint.lon = loc[0]
waypoint.location = loc[1]
if update:
self.update_distances(index.row())
index2 = self.createIndex(index.row(), LOCATION)
elif column == FLIGHTLEVEL:
try:
# The table fields accept basically any input.
# If the string cannot be converted to "float" (raises ValueError), the user input is discarded.
flightlevel = variant_to_float(value)
pressure = float(
thermolib.flightlevel2pressure(flightlevel *
units.hft).magnitude)
except TypeError as ex:
logging.error("unexpected error: %s %s %s %s", type(ex),
ex, type(value), value)
except ValueError as ex:
logging.error("%s", ex)
else:
waypoint.flightlevel = flightlevel
waypoint.pressure = pressure
if update:
self.update_distances(index.row())
# need to notify view of the second item that has been
# changed as well.
index2 = self.createIndex(index.row(), PRESSURE)
elif column == PRESSURE:
try:
# The table fields accept basically any input.
# If the string cannot be converted to "float" (raises ValueError), the user input is discarded.
pressure = variant_to_float(
value) * 100 # convert hPa to Pa
if pressure > 200000:
raise ValueError
flightlevel = float(
round(
thermolib.pressure2flightlevel(
pressure * units.Pa).magnitude))
pressure = float(
thermolib.flightlevel2pressure(flightlevel *
units.hft).magnitude)
except TypeError as ex:
logging.error("unexpected error: %s %s %s %s", type(ex),
ex, type(value), value)
except ValueError as ex:
logging.error("%s", ex)
else:
waypoint.pressure = pressure
waypoint.flightlevel = flightlevel
if update:
self.update_distances(index.row())
index2 = self.createIndex(index.row(), FLIGHTLEVEL)
else:
waypoint.comments = variant_to_string(value)
self.modified = True
# Performance computations loose their validity if a change is made.
if update:
self.dataChanged.emit(index, index2)
return True
return False
def test_pressure2flightlevel2pressure():
ps = np.arange(5, 105000, 1.)[::-1] * units.Pa
fs = thermolib.pressure2flightlevel(ps)
ps_p = thermolib.flightlevel2pressure(fs).magnitude
assert ps.magnitude == pytest.approx(ps_p)
def test_flightlevel2pressure2flightlevel():
fs = (np.arange(1, 71000, 1000.) * units.m).to(units.hft)
ps = thermolib.flightlevel2pressure(fs)
fs_p = thermolib.pressure2flightlevel(ps).magnitude
assert fs.magnitude == pytest.approx(fs_p)