def test_getInitPos_fromTCNum(self):
"""Test to ensure the function returns correct values based on TC number"""
idx = loadData.getInitialPositions(self.numData)
assert_almost_equal(idx, self.numIndex)
def test_getInitPos_fromSeason(self):
"""Test to ensure the function returns correct values based on season"""
idx = loadData.getInitialPositions(self.seasonData)
assert_almost_equal(idx, self.testIndex)
def processData(self, restrictToWindfieldDomain=False):
"""
Process raw data into ASCII files that can be read by the main
components of the system
:param bool restrictToWindfieldDomain: if True, only process data
within the wind field domain, otherwise, process data from
across the track generation domain.
"""
config = ConfigParser()
config.read(self.configFile)
self.logger.info("Running {0}".format(flModuleName()))
if config.has_option('DataProcess', 'InputFile'):
inputFile = config.get('DataProcess', 'InputFile')
if config.has_option('DataProcess', 'Source'):
source = config.get('DataProcess', 'Source')
self.logger.info('Loading %s dataset', source)
fn = config.get(source, 'filename')
path = config.get(source, 'path')
inputFile = pjoin(path, fn)
# If input file has no path information, default to tcrm input folder
if len(os.path.dirname(inputFile)) == 0:
inputFile = pjoin(self.tcrm_input_dir, inputFile)
self.logger.info("Processing {0}".format(inputFile))
self.source = config.get('DataProcess', 'Source')
inputData = colReadCSV(self.configFile, inputFile, self.source)
inputSpeedUnits = config.get(self.source, 'SpeedUnits')
inputPressureUnits = config.get(self.source, 'PressureUnits')
inputLengthUnits = config.get(self.source, 'LengthUnits')
startSeason = config.getint('DataProcess', 'StartSeason')
indicator = loadData.getInitialPositions(inputData)
lat = np.array(inputData['lat'], 'd')
lon = np.mod(np.array(inputData['lon'], 'd'), 360)
if restrictToWindfieldDomain:
# Filter the input arrays to only retain the tracks that
# pass through the windfield domain.
CD = CalcTrackDomain(self.configFile)
self.domain = CD.calcDomainFromTracks(indicator, lon, lat)
domainIndex = self.extractTracks(indicator, lon, lat)
inputData = inputData[domainIndex]
indicator = indicator[domainIndex]
lon = lon[domainIndex]
lat = lat[domainIndex]
if self.progressbar is not None:
self.progressbar.update(0.125)
# Sort date/time information
try:
dt = np.empty(indicator.size, 'f')
dt[1:] = np.diff(inputData['age'])
except (ValueError, KeyError):
try:
self.logger.info(("Filtering input data by season:"
"season > {0}".format(startSeason)))
# Find indicies that satisfy minimum season filter
idx = np.where(inputData['season'] >= startSeason)[0]
# Filter records:
inputData = inputData[idx]
indicator = indicator[idx]
lon = lon[idx]
lat = lat[idx]
except (ValueError, KeyError):
pass
year, month, day, hour, minute, datetimes \
= loadData.parseDates(inputData, indicator)
# Time between observations:
dt = loadData.getTimeDelta(year, month, day, hour, minute)
# Calculate julian days:
jdays = loadData.julianDays(year, month, day, hour, minute)
delta_lon = np.diff(lon)
delta_lat = np.diff(lat)
# Split into separate tracks if large jump occurs (delta_lon >
# 15 degrees or delta_lat > 5 degrees) This avoids two tracks
# being accidentally combined when seasons and track numbers
# match but basins are different as occurs in the IBTrACS
# dataset. This problem can also be prevented if the
# 'tcserialno' column is specified.
indicator[np.where(delta_lon > 15)[0] + 1] = 1
indicator[np.where(delta_lat > 5)[0] + 1] = 1
# Save information required for frequency auto-calculation
try:
origin_seasonOrYear = np.array(inputData['season'],
'i').compress(indicator)
header = 'Season'
except (ValueError, KeyError):
origin_seasonOrYear = year.compress(indicator)
header = 'Year'
flSaveFile(self.origin_year,
np.transpose(origin_seasonOrYear),
header,
',',
fmt='%d')
pressure = np.array(inputData['pressure'], 'd')
novalue_index = np.where(pressure == sys.maxint)
pressure = metutils.convert(pressure, inputPressureUnits, "hPa")
pressure[novalue_index] = sys.maxint
# Convert any non-physical central pressure values to maximum integer
# This is required because IBTrACS has a mix of missing value codes
# (i.e. -999, 0, 9999) in the same global dataset.
pressure = np.where((pressure < 600) | (pressure > 1100), sys.maxint,
pressure)
if self.progressbar is not None:
self.progressbar.update(0.25)
try:
vmax = np.array(inputData['vmax'], 'd')
except (ValueError, KeyError):
self.logger.warning("No max wind speed data")
vmax = np.empty(indicator.size, 'f')
else:
novalue_index = np.where(vmax == sys.maxint)
vmax = metutils.convert(vmax, inputSpeedUnits, "mps")
vmax[novalue_index] = sys.maxint
assert lat.size == indicator.size
assert lon.size == indicator.size
assert pressure.size == indicator.size
#assert vmax.size == indicator.size
try:
rmax = np.array(inputData['rmax'])
novalue_index = np.where(rmax == sys.maxint)
rmax = metutils.convert(rmax, inputLengthUnits, "km")
rmax[novalue_index] = sys.maxint
self._rmax(rmax, indicator)
self._rmaxRate(rmax, dt, indicator)
except (ValueError, KeyError):
self.logger.warning("No rmax data available")
if self.ncflag:
self.data['index'] = indicator
# ieast : parameter used in latLon2Azi
# FIXME: should be a config setting describing the input data.
ieast = 1
# Determine the index of initial cyclone observations, excluding
# those cyclones that have only one observation. This is used
# for calculating initial bearing and speed
indicator2 = np.where(indicator > 0, 1, 0)
initIndex = np.concatenate(
[np.where(np.diff(indicator2) == -1, 1, 0), [0]])
# Calculate the bearing and distance (km) of every two
# consecutive records using ll2azi
bear_, dist_ = maputils.latLon2Azi(lat, lon, ieast, azimuth=0)
assert bear_.size == indicator.size - 1
assert dist_.size == indicator.size - 1
bear = np.empty(indicator.size, 'f')
bear[1:] = bear_
dist = np.empty(indicator.size, 'f')
dist[1:] = dist_
self._lonLat(lon, lat, indicator, initIndex)
self._bearing(bear, indicator, initIndex)
self._bearingRate(bear, dt, indicator)
if self.progressbar is not None:
self.progressbar.update(0.375)
self._speed(dist, dt, indicator, initIndex)
self._speedRate(dist, dt, indicator)
self._pressure(pressure, indicator)
self._pressureRate(pressure, dt, indicator)
self._windSpeed(vmax)
try:
self._frequency(year, indicator)
self._juliandays(jdays, indicator, year)
except (ValueError, KeyError):
pass
self.logger.info("Completed {0}".format(flModuleName()))
if self.progressbar is not None:
self.progressbar.update(0.5)
def processData(self, restrictToWindfieldDomain=False):
"""
Process raw data into ASCII files that can be read by the main
components of the system
:param bool restrictToWindfieldDomain: if True, only process data
within the wind field domain, otherwise, process data from
across the track generation domain.
"""
config = ConfigParser()
config.read(self.configFile)
self.logger.info("Running %s" % flModuleName())
if config.has_option('DataProcess', 'InputFile'):
inputFile = config.get('DataProcess', 'InputFile')
if config.has_option('DataProcess', 'Source'):
source = config.get('DataProcess', 'Source')
self.logger.info('Loading %s dataset', source)
fn = config.get(source, 'filename')
path = config.get(source, 'path')
inputFile = pjoin(path, fn)
# If input file has no path information, default to tcrm input folder
if len(os.path.dirname(inputFile)) == 0:
inputFile = pjoin(self.tcrm_input_dir, inputFile)
self.logger.info("Processing %s" % inputFile)
self.source = config.get('DataProcess', 'Source')
inputData = colReadCSV(self.configFile, inputFile, self.source)
inputSpeedUnits = config.get(self.source, 'SpeedUnits')
inputPressureUnits = config.get(self.source, 'PressureUnits')
inputLengthUnits = config.get(self.source, 'LengthUnits')
startSeason = config.getint('DataProcess', 'StartSeason')
indicator = loadData.getInitialPositions(inputData)
lat = np.array(inputData['lat'], 'd')
lon = np.mod(np.array(inputData['lon'], 'd'), 360)
if restrictToWindfieldDomain:
# Filter the input arrays to only retain the tracks that
# pass through the windfield domain.
CD = CalcTrackDomain(self.configFile)
self.domain = CD.calcDomainFromTracks(indicator, lon, lat)
domainIndex = self.extractTracks(indicator, lon, lat)
inputData = inputData[domainIndex]
indicator = indicator[domainIndex]
lon = lon[domainIndex]
lat = lat[domainIndex]
if self.progressbar is not None:
self.progressbar.update(0.125)
# Sort date/time information
try:
dt = np.empty(indicator.size, 'f')
dt[1:] = np.diff(inputData['age'])
except (ValueError, KeyError):
try:
self.logger.info("Filtering input data by season: season > %d"%startSeason)
# Find indicies that satisfy minimum season filter
idx = np.where(inputData['season'] >= startSeason)[0]
# Filter records:
inputData = inputData[idx]
indicator = indicator[idx]
lon = lon[idx]
lat = lat[idx]
except (ValueError, KeyError):
pass
year, month, day, hour, minute, datetimes \
= loadData.parseDates(inputData, indicator)
# Time between observations:
dt = loadData.getTimeDelta(year, month, day, hour, minute)
# Calculate julian days:
jdays = loadData.julianDays(year, month, day, hour, minute)
delta_lon = np.diff(lon)
delta_lat = np.diff(lat)
# Split into separate tracks if large jump occurs (delta_lon >
# 15 degrees or delta_lat > 5 degrees) This avoids two tracks
# being accidentally combined when seasons and track numbers
# match but basins are different as occurs in the IBTrACS
# dataset. This problem can also be prevented if the
# 'tcserialno' column is specified.
indicator[np.where(delta_lon > 15)[0] + 1] = 1
indicator[np.where(delta_lat > 5)[0] + 1] = 1
# Save information required for frequency auto-calculation
try:
origin_seasonOrYear = np.array(
inputData['season'], 'i').compress(indicator)
header = 'Season'
except (ValueError, KeyError):
origin_seasonOrYear = year.compress(indicator)
header = 'Year'
flSaveFile(self.origin_year, np.transpose(origin_seasonOrYear),
header, ',', fmt='%d')
pressure = np.array(inputData['pressure'], 'd')
novalue_index = np.where(pressure == sys.maxint)
pressure = metutils.convert(pressure, inputPressureUnits, "hPa")
pressure[novalue_index] = sys.maxint
# Convert any non-physical central pressure values to maximum integer
# This is required because IBTrACS has a mix of missing value codes
# (i.e. -999, 0, 9999) in the same global dataset.
pressure = np.where((pressure < 600) | (pressure > 1100),
sys.maxint, pressure)
if self.progressbar is not None:
self.progressbar.update(0.25)
try:
vmax = np.array(inputData['vmax'], 'd')
except (ValueError, KeyError):
self.logger.warning("No max wind speed data")
vmax = np.empty(indicator.size, 'f')
else:
novalue_index = np.where(vmax == sys.maxint)
vmax = metutils.convert(vmax, inputSpeedUnits, "mps")
vmax[novalue_index] = sys.maxint
assert lat.size == indicator.size
assert lon.size == indicator.size
assert pressure.size == indicator.size
#assert vmax.size == indicator.size
try:
rmax = np.array(inputData['rmax'])
novalue_index = np.where(rmax == sys.maxint)
rmax = metutils.convert(rmax, inputLengthUnits, "km")
rmax[novalue_index] = sys.maxint
self._rmax(rmax, indicator)
self._rmaxRate(rmax, dt, indicator)
except (ValueError, KeyError):
self.logger.warning("No rmax data available")
if self.ncflag:
self.data['index'] = indicator
# ieast : parameter used in latLon2Azi
# FIXME: should be a config setting describing the input data.
ieast = 1
# Determine the index of initial cyclone observations, excluding
# those cyclones that have only one observation. This is used
# for calculating initial bearing and speed
indicator2 = np.where(indicator > 0, 1, 0)
initIndex = np.concatenate([np.where(np.diff(indicator2) ==
-1, 1, 0), [0]])
# Calculate the bearing and distance (km) of every two
# consecutive records using ll2azi
bear_, dist_ = maputils.latLon2Azi(lat, lon, ieast, azimuth=0)
assert bear_.size == indicator.size - 1
assert dist_.size == indicator.size - 1
bear = np.empty(indicator.size, 'f')
bear[1:] = bear_
dist = np.empty(indicator.size, 'f')
dist[1:] = dist_
self._lonLat(lon, lat, indicator, initIndex)
self._bearing(bear, indicator, initIndex)
self._bearingRate(bear, dt, indicator)
if self.progressbar is not None:
self.progressbar.update(0.375)
self._speed(dist, dt, indicator, initIndex)
self._speedRate(dist, dt, indicator)
self._pressure(pressure, indicator)
self._pressureRate(pressure, dt, indicator)
self._windSpeed(vmax)
try:
self._frequency(year, indicator)
self._juliandays(jdays, indicator, year)
except (ValueError, KeyError):
pass
self.logger.info("Completed %s" % flModuleName())
if self.progressbar is not None:
self.progressbar.update(0.5)
def test_getInitPos_fromTCNum(self):
"""Test to ensure the function returns correct values based on TC number"""
idx = loadData.getInitialPositions(self.numData)
assert_almost_equal(idx, self.numIndex)
def test_getInitPos_fromSeason(self):
"""Test to ensure the function returns correct values based on season"""
idx = loadData.getInitialPositions(self.seasonData)
assert_almost_equal(idx, self.testIndex)