def test_URS_points_needed_and_urs_ungridded2sww(self):
# This doesn't actually check anything
#
ll_lat = -21.5
ll_long = 114.5
grid_spacing = 1./60.
lat_amount = 30
long_amount = 30
time_step_count = 2
time_step = 400
tide = -200000
zone = 50
boundary_polygon = [[250000,7660000],[280000,7660000],
[280000,7630000],[250000,7630000]]
geo=urs.calculate_boundary_points(boundary_polygon, zone,
ll_lat, ll_long, grid_spacing,
lat_amount, long_amount,
verbose=self.verbose)
lat_long = geo.get_data_points(as_lat_long=True)
base_name, files = self.write_mux(lat_long,
time_step_count, time_step)
urs_ungridded2sww(base_name, mean_stage=tide,
verbose=self.verbose)
self.delete_mux(files)
os.remove( base_name + '.sww')
def test_urs_ungridded_hole (self):
#Zone: 50
#Easting: 240992.578 Northing: 7620442.472
#Latitude: -21 30 ' 0.00000 '' Longitude: 114 30 ' 0.00000 ''
lat_long = [[-20.5, 114.5],
[-20.6, 114.6],
[-20.5, 115.],
[-20.6, 115.],
[-20.5, 115.5],
[-20.6, 115.4],
[-21., 114.5],
[-21., 114.6],
[-21., 115.5],
[-21., 115.4],
[-21.5, 114.5],
[-21.4, 114.6],
[-21.5, 115.],
[-21.4, 115.],
[-21.5, 115.5],
[-21.4, 115.4]
]
time_step_count = 6
time_step = 100
tide = 9000000
base_name, files = self.write_mux(lat_long,
time_step_count, time_step)
#Easting: 292110.784 Northing: 7676551.710
#Latitude: -21 0 ' 0.00000 '' Longitude: 115 0 ' 0.00000 ''
urs_ungridded2sww(base_name, mean_stage=-240992.0,
hole_points_UTM=[ 292110.784, 7676551.710 ])
# now I want to check the sww file ...
sww_file = base_name + '.sww'
#Let's interigate the sww file
# Note, the sww info is not gridded. It is point data.
fid = NetCDFFile(sww_file)
number_of_volumes = fid.variables['volumes']
#print "number_of_volumes",len(number_of_volumes)
assert num.allclose(16, len(number_of_volumes))
fid.close()
self.delete_mux(files)
#print "sww_file", sww_file
os.remove(sww_file)
def test_urs_ungridded_holeII(self):
# Check that if using a hole that returns no triangles,
# urs_ungridded2sww removes the hole label.
lat_long = [[-20.5, 114.5],
[-20.6, 114.6],
[-20.5, 115.5],
[-20.6, 115.4],
[-21.5, 114.5],
[-21.4, 114.6],
[-21.5, 115.5],
[-21.4, 115.4]
]
time_step_count = 6
time_step = 100
tide = 9000000
base_name, files = self.write_mux(lat_long,
time_step_count, time_step)
#Easting: 292110.784 Northing: 7676551.710
#Latitude: -21 0 ' 0.00000 '' Longitude: 115 0 ' 0.00000 ''
urs_ungridded2sww(base_name, mean_stage=-240992.0,
hole_points_UTM=[ 292110.784, 7676551.710 ])
# now I want to check the sww file ...
sww_file = base_name + '.sww'
fid = NetCDFFile(sww_file)
volumes = fid.variables['volumes'][:]
#print "number_of_volumes",len(volumes)
fid.close()
os.remove(sww_file)
urs_ungridded2sww(base_name, mean_stage=-240992.0)
# now I want to check the sww file ...
sww_file = base_name + '.sww'
fid = NetCDFFile(sww_file)
volumes_again = fid.variables['volumes'][:]
#print "number_of_volumes",len(volumes_again)
assert num.allclose(len(volumes_again),
len(volumes))
fid.close()
os.remove(sww_file)
self.delete_mux(files)
def test_urs_ungridded2sww_mint_maxtII(self):
#Zone: 50
#Easting: 240992.578 Northing: 7620442.472
#Latitude: -21 30 ' 0.00000 '' Longitude: 114 30 ' 0.00000 ''
lat_long = [[-21.5, 114.5], [-21, 114.5], [-21, 115]]
time_step_count = 6
time_step = 100
tide = 9000000
base_name, files = self.write_mux(lat_long, time_step_count, time_step)
urs_ungridded2sww(base_name,
mean_stage=tide,
origin=(50, 23432, 4343),
mint=0,
maxt=100000)
# now I want to check the sww file ...
sww_file = base_name + '.sww'
#Let's interigate the sww file
# Note, the sww info is not gridded. It is point data.
fid = NetCDFFile(sww_file)
# Make x and y absolute
geo_reference = Geo_reference(NetCDFObject=fid)
points = geo_reference.get_absolute(
list(zip(fid.variables['x'][:], fid.variables['y'][:])))
points = ensure_numeric(points)
x = points[:, 0]
#Check the time vector
times = fid.variables['time'][:]
times_actual = [0, 100, 200, 300, 400, 500]
assert num.allclose(ensure_numeric(times),
ensure_numeric(times_actual))
#Check first value
stage = fid.variables['stage'][:]
assert num.allclose(stage[0], x + tide)
fid.close()
self.delete_mux(files)
os.remove(sww_file)
def test_urs_ungridded2sww_mint_maxtII (self):
#Zone: 50
#Easting: 240992.578 Northing: 7620442.472
#Latitude: -21 30 ' 0.00000 '' Longitude: 114 30 ' 0.00000 ''
lat_long = [[-21.5,114.5],[-21,114.5],[-21,115]]
time_step_count = 6
time_step = 100
tide = 9000000
base_name, files = self.write_mux(lat_long,
time_step_count, time_step)
urs_ungridded2sww(base_name, mean_stage=tide, origin =(50,23432,4343),
mint=0, maxt=100000)
# now I want to check the sww file ...
sww_file = base_name + '.sww'
#Let's interigate the sww file
# Note, the sww info is not gridded. It is point data.
fid = NetCDFFile(sww_file)
# Make x and y absolute
geo_reference = Geo_reference(NetCDFObject=fid)
points = geo_reference.get_absolute(map(None, fid.variables['x'][:],
fid.variables['y'][:]))
points = ensure_numeric(points)
x = points[:,0]
#Check the time vector
times = fid.variables['time'][:]
times_actual = [0,100,200,300,400,500]
assert num.allclose(ensure_numeric(times),
ensure_numeric(times_actual))
#Check first value
stage = fid.variables['stage'][:]
assert num.allclose(stage[0], x +tide)
fid.close()
self.delete_mux(files)
os.remove(sww_file)
def test_urs_ungridded2sww (self):
#Zone: 50
#Easting: 240992.578 Northing: 7620442.472
#Latitude: -21 30 ' 0.00000 '' Longitude: 114 30 ' 0.00000 ''
lat_long = [[-21.5,114.5],[-21,114.5],[-21,115]]
time_step_count = 2
time_step = 400
tide = 9000000
base_name, files = self.write_mux(lat_long,
time_step_count, time_step)
urs_ungridded2sww(base_name, mean_stage=tide,
verbose=self.verbose)
# now I want to check the sww file ...
sww_file = base_name + '.sww'
#Let's interigate the sww file
# Note, the sww info is not gridded. It is point data.
fid = NetCDFFile(sww_file)
# Make x and y absolute
x = fid.variables['x'][:]
y = fid.variables['y'][:]
geo_reference = Geo_reference(NetCDFObject=fid)
points = geo_reference.get_absolute(map(None, x, y))
points = ensure_numeric(points)
x = points[:,0]
y = points[:,1]
#Check that first coordinate is correctly represented
#Work out the UTM coordinates for first point
zone, e, n = redfearn(lat_long[0][0], lat_long[0][1])
assert num.allclose([x[0],y[0]], [e,n])
#Check the time vector
times = fid.variables['time'][:]
times_actual = []
for i in range(time_step_count):
times_actual.append(time_step * i)
assert num.allclose(ensure_numeric(times),
ensure_numeric(times_actual))
#Check first value
stage = fid.variables['stage'][:]
xmomentum = fid.variables['xmomentum'][:]
ymomentum = fid.variables['ymomentum'][:]
elevation = fid.variables['elevation'][:]
assert num.allclose(stage[0,0], e +tide) #Meters
#Check the momentums - ua
#momentum = velocity*(stage-elevation)
# elevation = - depth
#momentum = velocity_ua *(stage+depth)
# = n*(e+tide+n) based on how I'm writing these files
#
answer_x = n*(e+tide+n)
actual_x = xmomentum[0,0]
#print "answer_x",answer_x
#print "actual_x",actual_x
assert num.allclose(answer_x, actual_x) #Meters
#Check the momentums - va
#momentum = velocity*(stage-elevation)
# elevation = - depth
#momentum = velocity_va *(stage+depth)
# = e*(e+tide+n) based on how I'm writing these files
#
answer_y = -1*e*(e+tide+n)
actual_y = ymomentum[0,0]
#print "answer_y",answer_y
#print "actual_y",actual_y
assert num.allclose(answer_y, actual_y) #Meters
# check the stage values, first time step.
# These arrays are equal since the Easting values were used as
# the stage
assert num.allclose(stage[0], x +tide) #Meters
# check the elevation values.
# -ve since urs measures depth, sww meshers height,
# these arrays are equal since the northing values were used as
# the elevation
assert num.allclose(-elevation, y) #Meters
fid.close()
self.delete_mux(files)
os.remove(sww_file)
