def test_create_operator(self):
points = num.array([[0.0,0.0],[1.0,0.0],[0.0,1.0]])
elements = num.array([[0,1,2]])
boundary_map = {}
boundary_map[(0,0)] = 'edge0'
boundary_map[(0,1)] = 'edge1'
boundary_map[(0,2)] = 'edge2'
domain = Domain(points, elements, boundary_map)
operator = Operator(domain)
message = operator.statistics()
assert message == 'You need to implement operator statistics for your operator'
message = operator.timestepping_statistics()
assert message == 'You need to implement timestepping statistics for your operator'
domain.timestep = 3.0
assert operator.get_timestep() == domain.get_timestep()
try:
operator()
except:
pass
else:
raise Exception('should have raised an exception')
def test_set_w_uh_vh_operator_time(self):
from anuga.config import rho_a, rho_w, eta_w
from math import pi, cos, sin
a = [0.0, 0.0]
b = [0.0, 2.0]
c = [2.0, 0.0]
d = [0.0, 4.0]
e = [2.0, 2.0]
f = [4.0, 0.0]
points = [a, b, c, d, e, f]
# bac, bce, ecf, dbe
vertices = [[1, 0, 2], [1, 2, 4], [4, 2, 5], [3, 1, 4]]
domain = Domain(points, vertices)
#Flat surface with 1m of water
domain.set_quantity('elevation', 0)
domain.set_quantity('stage', 1.0)
domain.set_quantity('xmomentum', 7.0)
domain.set_quantity('ymomentum', 8.0)
domain.set_quantity('friction', 0)
Br = Reflective_boundary(domain)
domain.set_boundary({'exterior': Br})
# print domain.quantities['w_uh_vh'].centroid_values
# print domain.quantities['xmomentum'].centroid_values
# print domain.quantities['ymomentum'].centroid_values
# Apply operator to these triangles
indices = [0, 1, 3]
w_uh_vh = lambda t: [t, t + 1, t + 2]
operator = Set_w_uh_vh_operator(domain,
w_uh_vh=w_uh_vh,
indices=indices)
# Apply Operator
domain.timestep = 2.0
domain.time = 1.0
operator()
t = domain.time
stage_ex = [t, t, 1., t]
xmom_ex = [t + 1, t + 1, 7., t + 1]
ymom_ex = [t + 2, t + 2, 8., t + 2]
#print domain.quantities['stage'].centroid_values
#print domain.quantities['xmomentum'].centroid_values
#print domain.quantities['ymomentum'].centroid_values
assert num.allclose(domain.quantities['stage'].centroid_values,
stage_ex)
assert num.allclose(domain.quantities['xmomentum'].centroid_values,
xmom_ex)
assert num.allclose(domain.quantities['ymomentum'].centroid_values,
ymom_ex)
def test_rate_operator_negative_rate_full(self):
from anuga.config import rho_a, rho_w, eta_w
from math import pi, cos, sin
a = [0.0, 0.0]
b = [0.0, 2.0]
c = [2.0, 0.0]
d = [0.0, 4.0]
e = [2.0, 2.0]
f = [4.0, 0.0]
points = [a, b, c, d, e, f]
# bac, bce, ecf, dbe
vertices = [[1, 0, 2], [1, 2, 4], [4, 2, 5], [3, 1, 4]]
domain = Domain(points, vertices)
# Flat surface with 1m of water
domain.set_quantity("elevation", 0)
domain.set_quantity("stage", 10.0)
domain.set_quantity("friction", 0)
Br = Reflective_boundary(domain)
domain.set_boundary({"exterior": Br})
# print domain.quantities['elevation'].centroid_values
# print domain.quantities['stage'].centroid_values
# print domain.quantities['xmomentum'].centroid_values
# print domain.quantities['ymomentum'].centroid_values
# Apply operator to these triangles
indices = [0, 1, 3]
# Catchment_Rain_Polygon = read_polygon(join('CatchmentBdy.csv'))
# rainfall = file_function(join('1y120m.tms'), quantities=['rainfall'])
rate = -1.0
factor = 10.0
default_rate = 0.0
operator = Rate_operator(domain, rate=rate, factor=factor, indices=None, default_rate=default_rate)
# Apply Operator
domain.timestep = 2.0
operator()
stage_ex = [0.0, 0.0, 0.0, 0.0]
step_integral = -80.0
# print domain.quantities['elevation'].centroid_values
# print domain.quantities['stage'].centroid_values
# print domain.quantities['xmomentum'].centroid_values
# print domain.quantities['ymomentum'].centroid_values
# print domain.fractional_step_volume_integral
assert num.allclose(domain.quantities["stage"].centroid_values, stage_ex)
assert num.allclose(domain.quantities["xmomentum"].centroid_values, 0.0)
assert num.allclose(domain.quantities["ymomentum"].centroid_values, 0.0)
assert num.allclose(domain.fractional_step_volume_integral, step_integral)
def test_set_w_uh_vh_operator_time(self):
from anuga.config import rho_a, rho_w, eta_w
from math import pi, cos, sin
a = [0.0, 0.0]
b = [0.0, 2.0]
c = [2.0, 0.0]
d = [0.0, 4.0]
e = [2.0, 2.0]
f = [4.0, 0.0]
points = [a, b, c, d, e, f]
# bac, bce, ecf, dbe
vertices = [[1,0,2], [1,2,4], [4,2,5], [3,1,4]]
domain = Domain(points, vertices)
#Flat surface with 1m of water
domain.set_quantity('elevation', 0)
domain.set_quantity('stage', 1.0)
domain.set_quantity('xmomentum', 7.0)
domain.set_quantity('ymomentum', 8.0)
domain.set_quantity('friction', 0)
Br = Reflective_boundary(domain)
domain.set_boundary({'exterior': Br})
# print domain.quantities['w_uh_vh'].centroid_values
# print domain.quantities['xmomentum'].centroid_values
# print domain.quantities['ymomentum'].centroid_values
# Apply operator to these triangles
indices = [0,1,3]
w_uh_vh = lambda t : [t, t+1, t+2]
operator = Set_w_uh_vh_operator(domain, w_uh_vh=w_uh_vh, indices=indices)
# Apply Operator
domain.timestep = 2.0
domain.time = 1.0
operator()
t = domain.time
stage_ex = [ t, t, 1., t]
xmom_ex = [ t+1, t+1, 7., t+1]
ymom_ex = [ t+2, t+2, 8., t+2]
#print domain.quantities['stage'].centroid_values
#print domain.quantities['xmomentum'].centroid_values
#print domain.quantities['ymomentum'].centroid_values
assert num.allclose(domain.quantities['stage'].centroid_values, stage_ex)
assert num.allclose(domain.quantities['xmomentum'].centroid_values, xmom_ex)
assert num.allclose(domain.quantities['ymomentum'].centroid_values, ymom_ex)
def test_rate_operator_simple(self):
from anuga.config import rho_a, rho_w, eta_w
from math import pi, cos, sin
a = [0.0, 0.0]
b = [0.0, 2.0]
c = [2.0, 0.0]
d = [0.0, 4.0]
e = [2.0, 2.0]
f = [4.0, 0.0]
points = [a, b, c, d, e, f]
# bac, bce, ecf, dbe
vertices = [[1, 0, 2], [1, 2, 4], [4, 2, 5], [3, 1, 4]]
domain = Domain(points, vertices)
#Flat surface with 1m of water
domain.set_quantity('elevation', 0)
domain.set_quantity('stage', 1.0)
domain.set_quantity('friction', 0)
Br = Reflective_boundary(domain)
domain.set_boundary({'exterior': Br})
# print domain.quantities['stage'].centroid_values
# print domain.quantities['xmomentum'].centroid_values
# print domain.quantities['ymomentum'].centroid_values
# Apply operator to these triangles
indices = [0, 1, 3]
rate = 1.0
factor = 10.0
default_rate = 0.0
operator = Rate_operator(domain, rate=rate, factor=factor, \
indices=indices, default_rate = default_rate)
# Apply Operator
domain.timestep = 2.0
operator()
stage_ex = [21., 21., 1., 21.]
# print domain.quantities['stage'].centroid_values
# print domain.quantities['xmomentum'].centroid_values
# print domain.quantities['ymomentum'].centroid_values
assert num.allclose(domain.quantities['stage'].centroid_values,
stage_ex)
assert num.allclose(domain.quantities['xmomentum'].centroid_values,
0.0)
assert num.allclose(domain.quantities['ymomentum'].centroid_values,
0.0)
assert num.allclose(
domain.fractional_step_volume_integral,
factor * domain.timestep * (rate * domain.areas[indices]).sum())
def test_set_stage_operator_negative(self):
from anuga.config import rho_a, rho_w, eta_w
from math import pi, cos, sin
a = [0.0, 0.0]
b = [0.0, 2.0]
c = [2.0, 0.0]
d = [0.0, 4.0]
e = [2.0, 2.0]
f = [4.0, 0.0]
points = [a, b, c, d, e, f]
# bac, bce, ecf, dbe
vertices = [[1,0,2], [1,2,4], [4,2,5], [3,1,4]]
domain = Domain(points, vertices)
#Flat surface with 1m of water
domain.set_quantity('elevation', lambda x,y : -2*x)
domain.set_quantity('stage', 1.0)
domain.set_quantity('friction', 0)
Br = Reflective_boundary(domain)
domain.set_boundary({'exterior': Br})
# print domain.quantities['elevation'].centroid_values
# print domain.quantities['stage'].centroid_values
# print domain.quantities['xmomentum'].centroid_values
# print domain.quantities['ymomentum'].centroid_values
# Apply operator to these triangles
indices = [0,1,3]
#Catchment_Rain_Polygon = read_polygon(join('CatchmentBdy.csv'))
#rainfall = file_function(join('1y120m.tms'), quantities=['rainfall'])
stage = -5.0
operator = Set_stage_operator(domain, stage=stage, indices=indices)
# Apply Operator
domain.timestep = 2.0
operator()
stage_ex = [ -5., -5., 1., -5.]
#print domain.quantities['elevation'].centroid_values
#print domain.quantities['stage'].centroid_values
#print domain.quantities['xmomentum'].centroid_values
#print domain.quantities['ymomentum'].centroid_values
assert num.allclose(domain.quantities['stage'].centroid_values, stage_ex)
assert num.allclose(domain.quantities['xmomentum'].centroid_values, 0.0)
assert num.allclose(domain.quantities['ymomentum'].centroid_values, 0.0)
def test_set_stage_operator_negative(self):
from anuga.config import rho_a, rho_w, eta_w
from math import pi, cos, sin
a = [0.0, 0.0]
b = [0.0, 2.0]
c = [2.0, 0.0]
d = [0.0, 4.0]
e = [2.0, 2.0]
f = [4.0, 0.0]
points = [a, b, c, d, e, f]
# bac, bce, ecf, dbe
vertices = [[1, 0, 2], [1, 2, 4], [4, 2, 5], [3, 1, 4]]
domain = Domain(points, vertices)
#Flat surface with 1m of water
domain.set_quantity('elevation', lambda x, y: -2 * x)
domain.set_quantity('stage', 1.0)
domain.set_quantity('friction', 0)
Br = Reflective_boundary(domain)
domain.set_boundary({'exterior': Br})
# print domain.quantities['elevation'].centroid_values
# print domain.quantities['stage'].centroid_values
# print domain.quantities['xmomentum'].centroid_values
# print domain.quantities['ymomentum'].centroid_values
# Apply operator to these triangles
indices = [0, 1, 3]
#Catchment_Rain_Polygon = read_polygon(join('CatchmentBdy.csv'))
#rainfall = file_function(join('1y120m.tms'), quantities=['rainfall'])
stage = -5.0
operator = Set_stage_operator(domain, stage=stage, indices=indices)
# Apply Operator
domain.timestep = 2.0
operator()
stage_ex = [-5., -5., 1., -5.]
#print domain.quantities['elevation'].centroid_values
#print domain.quantities['stage'].centroid_values
#print domain.quantities['xmomentum'].centroid_values
#print domain.quantities['ymomentum'].centroid_values
assert num.allclose(domain.quantities['stage'].centroid_values,
stage_ex)
assert num.allclose(domain.quantities['xmomentum'].centroid_values,
0.0)
assert num.allclose(domain.quantities['ymomentum'].centroid_values,
0.0)
def test_rate_operator_simple(self):
from anuga.config import rho_a, rho_w, eta_w
from math import pi, cos, sin
a = [0.0, 0.0]
b = [0.0, 2.0]
c = [2.0, 0.0]
d = [0.0, 4.0]
e = [2.0, 2.0]
f = [4.0, 0.0]
points = [a, b, c, d, e, f]
# bac, bce, ecf, dbe
vertices = [[1,0,2], [1,2,4], [4,2,5], [3,1,4]]
domain = Domain(points, vertices)
#Flat surface with 1m of water
domain.set_quantity('elevation', 0)
domain.set_quantity('stage', 1.0)
domain.set_quantity('friction', 0)
Br = Reflective_boundary(domain)
domain.set_boundary({'exterior': Br})
# print domain.quantities['stage'].centroid_values
# print domain.quantities['xmomentum'].centroid_values
# print domain.quantities['ymomentum'].centroid_values
# Apply operator to these triangles
indices = [0,1,3]
rate = 1.0
factor = 10.0
default_rate= 0.0
operator = Rate_operator(domain, rate=rate, factor=factor, \
indices=indices, default_rate = default_rate)
# Apply Operator
domain.timestep = 2.0
operator()
stage_ex = [ 21., 21., 1., 21.]
# print domain.quantities['stage'].centroid_values
# print domain.quantities['xmomentum'].centroid_values
# print domain.quantities['ymomentum'].centroid_values
assert num.allclose(domain.quantities['stage'].centroid_values, stage_ex)
assert num.allclose(domain.quantities['xmomentum'].centroid_values, 0.0)
assert num.allclose(domain.quantities['ymomentum'].centroid_values, 0.0)
assert num.allclose(domain.fractional_step_volume_integral, factor*domain.timestep*(rate*domain.areas[indices]).sum())
def test_set_stage_operator_simple(self):
from anuga.config import rho_a, rho_w, eta_w
from math import pi, cos, sin
a = [0.0, 0.0]
b = [0.0, 2.0]
c = [2.0, 0.0]
d = [0.0, 4.0]
e = [2.0, 2.0]
f = [4.0, 0.0]
points = [a, b, c, d, e, f]
# bac, bce, ecf, dbe
vertices = [[1,0,2], [1,2,4], [4,2,5], [3,1,4]]
domain = Domain(points, vertices)
#Flat surface with 1m of water
domain.set_quantity('elevation', 0)
domain.set_quantity('stage', 1.0)
domain.set_quantity('friction', 0)
Br = Reflective_boundary(domain)
domain.set_boundary({'exterior': Br})
# print domain.quantities['stage'].centroid_values
# print domain.quantities['xmomentum'].centroid_values
# print domain.quantities['ymomentum'].centroid_values
# Apply operator to these triangles
indices = [0,1,3]
stage = 3.0
operator = Set_stage_operator(domain, stage=stage, indices=indices)
# Apply Operator
domain.timestep = 2.0
operator()
stage_ex = [ 3., 3., 1., 3.]
#print domain.quantities['stage'].centroid_values
#print domain.quantities['xmomentum'].centroid_values
#print domain.quantities['ymomentum'].centroid_values
assert num.allclose(domain.quantities['stage'].centroid_values, stage_ex)
assert num.allclose(domain.quantities['xmomentum'].centroid_values, 0.0)
assert num.allclose(domain.quantities['ymomentum'].centroid_values, 0.0)
def test_set_stage_operator_simple(self):
from anuga.config import rho_a, rho_w, eta_w
from math import pi, cos, sin
a = [0.0, 0.0]
b = [0.0, 2.0]
c = [2.0, 0.0]
d = [0.0, 4.0]
e = [2.0, 2.0]
f = [4.0, 0.0]
points = [a, b, c, d, e, f]
# bac, bce, ecf, dbe
vertices = [[1, 0, 2], [1, 2, 4], [4, 2, 5], [3, 1, 4]]
domain = Domain(points, vertices)
#Flat surface with 1m of water
domain.set_quantity('elevation', 0)
domain.set_quantity('stage', 1.0)
domain.set_quantity('friction', 0)
Br = Reflective_boundary(domain)
domain.set_boundary({'exterior': Br})
# print domain.quantities['stage'].centroid_values
# print domain.quantities['xmomentum'].centroid_values
# print domain.quantities['ymomentum'].centroid_values
# Apply operator to these triangles
indices = [0, 1, 3]
stage = 3.0
operator = Set_stage_operator(domain, stage=stage, indices=indices)
# Apply Operator
domain.timestep = 2.0
operator()
stage_ex = [3., 3., 1., 3.]
#print domain.quantities['stage'].centroid_values
#print domain.quantities['xmomentum'].centroid_values
#print domain.quantities['ymomentum'].centroid_values
assert num.allclose(domain.quantities['stage'].centroid_values,
stage_ex)
assert num.allclose(domain.quantities['xmomentum'].centroid_values,
0.0)
assert num.allclose(domain.quantities['ymomentum'].centroid_values,
0.0)
def test_rate_operator_functions_spatial(self):
from anuga.config import rho_a, rho_w, eta_w
from math import pi, cos, sin
a = [0.0, 0.0]
b = [0.0, 2.0]
c = [2.0, 0.0]
d = [0.0, 4.0]
e = [2.0, 2.0]
f = [4.0, 0.0]
points = [a, b, c, d, e, f]
# bac, bce, ecf, dbe
vertices = [[1, 0, 2], [1, 2, 4], [4, 2, 5], [3, 1, 4]]
domain = Domain(points, vertices)
area = numpy.sum(domain.areas)
# Flat surface with 1m of water
domain.set_quantity("elevation", 0.0)
domain.set_quantity("stage", 1.0)
domain.set_quantity("friction", 0.0)
Br = Reflective_boundary(domain)
domain.set_boundary({"exterior": Br})
verbose = False
if verbose:
print domain.quantities["elevation"].centroid_values
print domain.quantities["stage"].centroid_values
print domain.quantities["xmomentum"].centroid_values
print domain.quantities["ymomentum"].centroid_values
# Apply operator to these triangles
factor = 10.0
def main_spatial_rate(x, y, t):
# x and y should be an n by 1 array
return x + y
default_rate = 0.0
operator = Rate_operator(domain, rate=main_spatial_rate, factor=factor, default_rate=default_rate)
# Apply Operator
domain.timestep = 2.0
operator()
t = operator.get_time()
Q = operator.get_Q()
x = operator.coord_c[:, 0]
y = operator.coord_c[:, 1]
rate = main_spatial_rate(x, y, t) * factor
Q_ex = num.sum(domain.areas * rate)
d = operator.get_timestep() * rate + 1
# print "d"
# print d
# print area, Q, Q_ex
stage_ex = num.array([1.0, 1.0, 1.0, 1.0])
stage_ex[:] = d
if verbose:
print domain.quantities["elevation"].centroid_values
print domain.quantities["stage"].centroid_values
print domain.quantities["xmomentum"].centroid_values
print domain.quantities["ymomentum"].centroid_values
assert num.allclose(domain.quantities["stage"].centroid_values, stage_ex)
assert num.allclose(domain.quantities["xmomentum"].centroid_values, 0.0)
assert num.allclose(domain.quantities["ymomentum"].centroid_values, 0.0)
assert num.allclose(Q_ex, Q)
def test_rate_operator_negative_rate_full(self):
from anuga.config import rho_a, rho_w, eta_w
from math import pi, cos, sin
a = [0.0, 0.0]
b = [0.0, 2.0]
c = [2.0, 0.0]
d = [0.0, 4.0]
e = [2.0, 2.0]
f = [4.0, 0.0]
points = [a, b, c, d, e, f]
# bac, bce, ecf, dbe
vertices = [[1,0,2], [1,2,4], [4,2,5], [3,1,4]]
domain = Domain(points, vertices)
#Flat surface with 1m of water
domain.set_quantity('elevation', 0)
domain.set_quantity('stage', 10.0)
domain.set_quantity('friction', 0)
Br = Reflective_boundary(domain)
domain.set_boundary({'exterior': Br})
# print domain.quantities['elevation'].centroid_values
# print domain.quantities['stage'].centroid_values
# print domain.quantities['xmomentum'].centroid_values
# print domain.quantities['ymomentum'].centroid_values
# Apply operator to these triangles
indices = [0,1,3]
#Catchment_Rain_Polygon = read_polygon(join('CatchmentBdy.csv'))
#rainfall = file_function(join('1y120m.tms'), quantities=['rainfall'])
rate = -1.0
factor = 10.0
default_rate= 0.0
operator = Rate_operator(domain, rate=rate, factor=factor, \
indices=None, default_rate = default_rate)
# Apply Operator
domain.timestep = 2.0
operator()
stage_ex = [ 0., 0., 0., 0.]
step_integral = -80.0
#print domain.quantities['elevation'].centroid_values
#print domain.quantities['stage'].centroid_values
#print domain.quantities['xmomentum'].centroid_values
#print domain.quantities['ymomentum'].centroid_values
#print domain.fractional_step_volume_integral
assert num.allclose(domain.quantities['stage'].centroid_values, stage_ex)
assert num.allclose(domain.quantities['xmomentum'].centroid_values, 0.0)
assert num.allclose(domain.quantities['ymomentum'].centroid_values, 0.0)
assert num.allclose(domain.fractional_step_volume_integral, step_integral)
# test timestepping_statistics
stats = operator.timestepping_statistics()
import re
rr = re.findall("[-+]?[.]?[\d]+(?:,\d\d\d)*[\.]?\d*(?:[eE][-+]?\d+)?", stats)
assert num.allclose(float(rr[1]), -1.0)
assert num.allclose(float(rr[2]), -80.0)
def test_rate_operator_functions_spatial_with_ghost(self):
from anuga.config import rho_a, rho_w, eta_w
from math import pi, cos, sin
a = [0.0, 0.0]
b = [0.0, 2.0]
c = [2.0, 0.0]
d = [0.0, 4.0]
e = [2.0, 2.0]
f = [4.0, 0.0]
points = [a, b, c, d, e, f]
# bac, bce, ecf, dbe
vertices = [[1, 0, 2], [1, 2, 4], [4, 2, 5], [3, 1, 4]]
domain = Domain(points, vertices)
area = numpy.sum(domain.areas)
#Flat surface with 1m of water
domain.set_quantity('elevation', 0.0)
domain.set_quantity('stage', 1.0)
domain.set_quantity('friction', 0.0)
Br = Reflective_boundary(domain)
domain.set_boundary({'exterior': Br})
verbose = False
if verbose:
print(domain.quantities['elevation'].centroid_values)
print(domain.quantities['stage'].centroid_values)
print(domain.quantities['xmomentum'].centroid_values)
print(domain.quantities['ymomentum'].centroid_values)
# Apply operator to these triangles
factor = 10.0
def main_spatial_rate(x, y, t):
# x and y should be an n by 1 array
return x + y
default_rate = 0.0
# kludge to make a ghost cell
domain.tri_full_flag[1] = 0
operator = Rate_operator(domain, rate=main_spatial_rate, factor=factor, \
default_rate = default_rate)
# Apply Operator
domain.timestep = 2.0
operator()
t = operator.get_time()
Q_all = operator.get_Q(full_only=False)
Q_full = operator.get_Q()
x = operator.coord_c[:, 0]
y = operator.coord_c[:, 1]
rate = main_spatial_rate(x, y, t) * factor
Q_ex_all = num.sum(domain.areas * rate)
Q_ex_full = num.sum(
num.where(domain.tri_full_flag == 1, domain.areas * rate, 0.0))
d = operator.get_timestep() * rate + 1
#print "d"
#print d
#print Q_ex_full, Q_ex_all
stage_ex = num.array([1.0, 1.0, 1.0, 1.0])
stage_ex[:] = d
if verbose:
print(domain.quantities['elevation'].centroid_values)
print(domain.quantities['stage'].centroid_values)
print(domain.quantities['xmomentum'].centroid_values)
print(domain.quantities['ymomentum'].centroid_values)
assert num.allclose(domain.quantities['stage'].centroid_values,
stage_ex)
assert num.allclose(domain.quantities['xmomentum'].centroid_values,
0.0)
assert num.allclose(domain.quantities['ymomentum'].centroid_values,
0.0)
assert num.allclose(Q_ex_all, Q_all)
assert num.allclose(Q_ex_full, Q_full)
assert num.allclose(domain.fractional_step_volume_integral,
((d - 1.) * domain.areas *
domain.tri_full_flag).sum())
# test timestepping_statistics
stats = operator.timestepping_statistics()
import re
rr = re.findall("[-+]?[.]?[\d]+(?:,\d\d\d)*[\.]?\d*(?:[eE][-+]?\d+)?",
stats)
assert num.allclose(float(rr[1]), 1.33333)
assert num.allclose(float(rr[2]), 3.33333)
assert num.allclose(float(rr[3]), 160.0)
def test_rate_operator_rate_from_file(self):
from anuga.config import rho_a, rho_w, eta_w
from math import pi, cos, sin
a = [0.0, 0.0]
b = [0.0, 2.0]
c = [2.0, 0.0]
d = [0.0, 4.0]
e = [2.0, 2.0]
f = [4.0, 0.0]
points = [a, b, c, d, e, f]
# bac, bce, ecf, dbe
vertices = [[1, 0, 2], [1, 2, 4], [4, 2, 5], [3, 1, 4]]
#---------------------------------
#Typical ASCII file
#---------------------------------
finaltime = 1200
filename = 'test_file_function'
fid = open(filename + '.txt', 'w')
start = time.mktime(time.strptime('2000', '%Y'))
dt = 60 #One minute intervals
t = 0.0
while t <= finaltime:
t_string = time.strftime(time_format, time.gmtime(t + start))
fid.write('%s, %f %f %f\n' %
(t_string, 2 * t, t**2, sin(old_div(t * pi, 600))))
t += dt
fid.close()
#Convert ASCII file to NetCDF (Which is what we really like!)
timefile2netcdf(filename + '.txt')
#Create file function from time series
F = file_function(
filename + '.tms',
quantities=['Attribute0', 'Attribute1', 'Attribute2'])
#Now try interpolation
for i in range(20):
t = i * 10
q = F(t)
#Exact linear intpolation
assert num.allclose(q[0], 2 * t)
if i % 6 == 0:
assert num.allclose(q[1], t**2)
assert num.allclose(q[2], sin(old_div(t * pi, 600)))
#Check non-exact
t = 90 #Halfway between 60 and 120
q = F(t)
assert num.allclose(old_div((120**2 + 60**2), 2), q[1])
assert num.allclose(
old_div((sin(old_div(120 * pi, 600)) + sin(old_div(60 * pi, 600))),
2), q[2])
t = 100 #Two thirds of the way between between 60 and 120
q = F(t)
assert num.allclose(old_div(2 * 120**2, 3) + old_div(60**2, 3), q[1])
assert num.allclose(
old_div(2 * sin(old_div(120 * pi, 600)), 3) +
old_div(sin(old_div(60 * pi, 600)), 3), q[2])
#os.remove(filename + '.txt')
#os.remove(filename + '.tms')
domain = Domain(points, vertices)
#Flat surface with 1m of water
domain.set_quantity('elevation', 0)
domain.set_quantity('stage', 1.0)
domain.set_quantity('friction', 0)
Br = Reflective_boundary(domain)
domain.set_boundary({'exterior': Br})
# print domain.quantities['elevation'].centroid_values
# print domain.quantities['stage'].centroid_values
# print domain.quantities['xmomentum'].centroid_values
# print domain.quantities['ymomentum'].centroid_values
# Apply operator to these triangles
indices = [0, 1, 3]
rate = file_function(filename + '.tms', quantities=['Attribute1'])
# Make starttime of domain consistent with tms file starttime
domain.set_starttime(rate.starttime)
factor = 1000.0
default_rate = 17.7
operator = Rate_operator(domain, rate=rate, factor=factor, \
indices=indices, default_rate = default_rate)
# Apply Operator
domain.set_time(360.0)
domain.timestep = 1.0
operator()
d = domain.get_time()**2 * factor + 1.0
stage_ex0 = [d, d, 1., d]
# print d, domain.get_time(), F(360.0)
# print domain.quantities['elevation'].centroid_values
# print domain.quantities['stage'].centroid_values
# print domain.quantities['xmomentum'].centroid_values
# print domain.quantities['ymomentum'].centroid_values
assert num.allclose(domain.quantities['stage'].centroid_values,
stage_ex0)
assert num.allclose(domain.quantities['xmomentum'].centroid_values,
0.0)
assert num.allclose(domain.quantities['ymomentum'].centroid_values,
0.0)
assert num.allclose(domain.fractional_step_volume_integral,
((d - 1.) * domain.areas[indices]).sum())
domain.set_time(1300.0)
domain.timestep = 1.0
operator()
d = default_rate * factor + d
stage_ex1 = [d, d, 1., d]
# print domain.quantities['elevation'].centroid_values
# print domain.quantities['stage'].centroid_values
# print domain.quantities['xmomentum'].centroid_values
# print domain.quantities['ymomentum'].centroid_values
assert num.allclose(domain.quantities['stage'].centroid_values,
stage_ex1)
assert num.allclose(domain.quantities['xmomentum'].centroid_values,
0.0)
assert num.allclose(domain.quantities['ymomentum'].centroid_values,
0.0)
assert num.allclose(domain.fractional_step_volume_integral,
((d - 1.) * domain.areas[indices]).sum())
tmp = numpy.zeros_like(domain.quantities['stage'].centroid_values)
tmp[:] = domain.quantities['stage'].centroid_values
d0 = domain.fractional_step_volume_integral
domain.set_time(-10.0)
domain.timestep = 1.0
operator()
d = default_rate * factor
stage_ex2 = numpy.array([d, d, 0., d]) + numpy.array(stage_ex1)
assert num.allclose(domain.quantities['stage'].centroid_values,
stage_ex2)
assert num.allclose(domain.quantities['xmomentum'].centroid_values,
0.0)
assert num.allclose(domain.quantities['ymomentum'].centroid_values,
0.0)
assert num.allclose(domain.fractional_step_volume_integral,
d0 + (d * domain.areas[indices]).sum())
# test timestepping_statistics
stats = operator.timestepping_statistics()
import re
rr = re.findall("[-+]?[.]?[\d]+(?:,\d\d\d)*[\.]?\d*(?:[eE][-+]?\d+)?",
stats)
assert num.allclose(float(rr[1]), 17.7)
assert num.allclose(float(rr[2]), 106200.0)
def test_set_elevation_operator_negative_1_5(self):
from anuga.config import rho_a, rho_w, eta_w
from math import pi, cos, sin
a = [0.0, 0.0]
b = [0.0, 2.0]
c = [2.0, 0.0]
d = [0.0, 4.0]
e = [2.0, 2.0]
f = [4.0, 0.0]
points = [a, b, c, d, e, f]
# bac, bce, ecf, dbe
vertices = [[1, 0, 2], [1, 2, 4], [4, 2, 5], [3, 1, 4]]
domain = Domain(points, vertices)
domain.set_flow_algorithm('1_5')
#Flat surface with 1m of water
domain.set_quantity('elevation', lambda x, y: -2 * x)
domain.set_quantity('stage', 1.0)
domain.set_quantity('friction', 0)
stage_c = domain.quantities['stage'].centroid_values
elev_c = domain.quantities['elevation'].centroid_values
height_c = stage_c - elev_c
integral0 = num.sum(height_c)
Br = Reflective_boundary(domain)
domain.set_boundary({'exterior': Br})
# print domain.quantities['elevation'].centroid_values
# print domain.quantities['stage'].centroid_values
# print domain.quantities['xmomentum'].centroid_values
# print domain.quantities['ymomentum'].centroid_values
# Apply operator to these triangles
indices = [0, 1, 3]
#Catchment_Rain_Polygon = read_polygon(join('CatchmentBdy.csv'))
#rainfall = file_function(join('1y120m.tms'), quantities=['rainfall'])
elev = -5.0
operator = Set_elevation_operator(domain,
elevation=elev,
indices=indices)
# Apply Operator
domain.timestep = 2.0
operator()
height_c = stage_c - elev_c
integral1 = num.sum(height_c)
assert integral0 == integral1
elev_ex = [-4.88888889, -4.77777778, -5.77777778, -4.88888889]
stage_ex = [-2.55555556, -1.11111111, 0.55555556, -2.55555556]
# print domain.quantities['elevation'].centroid_values
# print domain.quantities['stage'].centroid_values
# print domain.quantities['xmomentum'].centroid_values
# print domain.quantities['ymomentum'].centroid_values
assert num.allclose(domain.quantities['elevation'].centroid_values,
elev_ex)
assert num.allclose(domain.quantities['stage'].centroid_values,
stage_ex)
assert num.allclose(domain.quantities['xmomentum'].centroid_values,
0.0)
assert num.allclose(domain.quantities['ymomentum'].centroid_values,
0.0)
def test_rate_operator_functions_rate_default_rate(self):
from anuga.config import rho_a, rho_w, eta_w
from math import pi, cos, sin
a = [0.0, 0.0]
b = [0.0, 2.0]
c = [2.0, 0.0]
d = [0.0, 4.0]
e = [2.0, 2.0]
f = [4.0, 0.0]
points = [a, b, c, d, e, f]
# bac, bce, ecf, dbe
vertices = [[1, 0, 2], [1, 2, 4], [4, 2, 5], [3, 1, 4]]
domain = Domain(points, vertices)
#Flat surface with 1m of water
domain.set_quantity('elevation', 0)
domain.set_quantity('stage', 1.0)
domain.set_quantity('friction', 0)
Br = Reflective_boundary(domain)
domain.set_boundary({'exterior': Br})
verbose = False
if verbose:
print domain.quantities['elevation'].centroid_values
print domain.quantities['stage'].centroid_values
print domain.quantities['xmomentum'].centroid_values
print domain.quantities['ymomentum'].centroid_values
# Apply operator to these triangles
indices = [0, 1, 3]
factor = 10.0
def main_rate(t):
if t > 20:
msg = 'Model time exceeded.'
raise Modeltime_too_late, msg
else:
return 3.0 * t + 7.0
default_rate = lambda t: 3 * t + 7
operator = Rate_operator(domain, rate=main_rate, factor=factor, \
indices=indices, default_rate = default_rate)
# Apply Operator
domain.timestep = 2.0
operator()
t = operator.get_time()
d = operator.get_timestep() * main_rate(t) * factor + 1
stage_ex = [d, d, 1., d]
if verbose:
print domain.quantities['elevation'].centroid_values
print domain.quantities['stage'].centroid_values
print domain.quantities['xmomentum'].centroid_values
print domain.quantities['ymomentum'].centroid_values
assert num.allclose(domain.quantities['stage'].centroid_values,
stage_ex)
assert num.allclose(domain.quantities['xmomentum'].centroid_values,
0.0)
assert num.allclose(domain.quantities['ymomentum'].centroid_values,
0.0)
assert num.allclose(domain.fractional_step_volume_integral,
((d - 1.) * domain.areas[indices]).sum())
domain.set_starttime(30.0)
domain.timestep = 1.0
operator()
t = operator.get_time()
d = operator.get_timestep() * default_rate(t) * factor + d
stage_ex = [d, d, 1., d]
if verbose:
print domain.quantities['elevation'].centroid_values
print domain.quantities['stage'].centroid_values
print domain.quantities['xmomentum'].centroid_values
print domain.quantities['ymomentum'].centroid_values
assert num.allclose(domain.quantities['stage'].centroid_values,
stage_ex)
assert num.allclose(domain.quantities['xmomentum'].centroid_values,
0.0)
assert num.allclose(domain.quantities['ymomentum'].centroid_values,
0.0)
def test_rate_operator_rate_quantity(self):
from anuga.config import rho_a, rho_w, eta_w
from math import pi, cos, sin
a = [0.0, 0.0]
b = [0.0, 2.0]
c = [2.0, 0.0]
d = [0.0, 4.0]
e = [2.0, 2.0]
f = [4.0, 0.0]
points = [a, b, c, d, e, f]
# bac, bce, ecf, dbe
vertices = [[1,0,2], [1,2,4], [4,2,5], [3,1,4]]
domain = Domain(points, vertices)
#Flat surface with 1m of water
domain.set_quantity('elevation', 0.0)
domain.set_quantity('stage', 1.0)
domain.set_quantity('friction', 0.0)
Br = Reflective_boundary(domain)
domain.set_boundary({'exterior': Br})
verbose = False
if verbose:
print domain.quantities['elevation'].centroid_values
print domain.quantities['stage'].centroid_values
print domain.quantities['xmomentum'].centroid_values
print domain.quantities['ymomentum'].centroid_values
# Apply operator to these triangles
indices = [0,1,3]
factor = 10.0
from anuga import Quantity
rate_Q = Quantity(domain)
rate_Q.set_values(1.0)
operator = Rate_operator(domain, rate=rate_Q, factor=factor, \
indices=indices)
# Apply Operator
domain.timestep = 2.0
operator()
rate = rate_Q.centroid_values[indices]
t = operator.get_time()
Q = operator.get_Q()
rate = rate*factor
Q_ex = num.sum(domain.areas[indices]*rate)
d = operator.get_timestep()*rate + 1
#print "d"
#print d
#print Q_ex
#print Q
stage_ex = num.array([ 1.0, 1.0, 1.0, 1.0])
stage_ex[indices] = d
verbose = False
if verbose:
print domain.quantities['elevation'].centroid_values
print domain.quantities['stage'].centroid_values
print domain.quantities['xmomentum'].centroid_values
print domain.quantities['ymomentum'].centroid_values
assert num.allclose(domain.quantities['stage'].centroid_values, stage_ex)
assert num.allclose(domain.quantities['xmomentum'].centroid_values, 0.0)
assert num.allclose(domain.quantities['ymomentum'].centroid_values, 0.0)
assert num.allclose(Q_ex, Q)
assert num.allclose(domain.fractional_step_volume_integral, ((d-1.)*domain.areas[indices]).sum())
def test_rate_operator_functions_spatial_with_ghost(self):
from anuga.config import rho_a, rho_w, eta_w
from math import pi, cos, sin
a = [0.0, 0.0]
b = [0.0, 2.0]
c = [2.0, 0.0]
d = [0.0, 4.0]
e = [2.0, 2.0]
f = [4.0, 0.0]
points = [a, b, c, d, e, f]
# bac, bce, ecf, dbe
vertices = [[1,0,2], [1,2,4], [4,2,5], [3,1,4]]
domain = Domain(points, vertices)
area = numpy.sum(domain.areas)
#Flat surface with 1m of water
domain.set_quantity('elevation', 0.0)
domain.set_quantity('stage', 1.0)
domain.set_quantity('friction', 0.0)
Br = Reflective_boundary(domain)
domain.set_boundary({'exterior': Br})
verbose = False
if verbose:
print domain.quantities['elevation'].centroid_values
print domain.quantities['stage'].centroid_values
print domain.quantities['xmomentum'].centroid_values
print domain.quantities['ymomentum'].centroid_values
# Apply operator to these triangles
factor = 10.0
def main_spatial_rate(x,y,t):
# x and y should be an n by 1 array
return x + y
default_rate = 0.0
# kludge to make a ghost cell
domain.tri_full_flag[1] = 0
operator = Rate_operator(domain, rate=main_spatial_rate, factor=factor, \
default_rate = default_rate)
# Apply Operator
domain.timestep = 2.0
operator()
t = operator.get_time()
Q_all = operator.get_Q(full_only=False)
Q_full = operator.get_Q()
x = operator.coord_c[:,0]
y = operator.coord_c[:,1]
rate = main_spatial_rate(x,y,t)*factor
Q_ex_all = num.sum(domain.areas*rate)
Q_ex_full = num.sum(num.where(domain.tri_full_flag==1,domain.areas*rate,0.0))
d = operator.get_timestep()*rate + 1
#print "d"
#print d
#print Q_ex_full, Q_ex_all
stage_ex = num.array([ 1.0, 1.0, 1.0, 1.0])
stage_ex[:] = d
if verbose:
print domain.quantities['elevation'].centroid_values
print domain.quantities['stage'].centroid_values
print domain.quantities['xmomentum'].centroid_values
print domain.quantities['ymomentum'].centroid_values
assert num.allclose(domain.quantities['stage'].centroid_values, stage_ex)
assert num.allclose(domain.quantities['xmomentum'].centroid_values, 0.0)
assert num.allclose(domain.quantities['ymomentum'].centroid_values, 0.0)
assert num.allclose(Q_ex_all, Q_all)
assert num.allclose(Q_ex_full, Q_full)
assert num.allclose(domain.fractional_step_volume_integral, ((d-1.)*domain.areas*domain.tri_full_flag).sum())
# test timestepping_statistics
stats = operator.timestepping_statistics()
import re
rr = re.findall("[-+]?[.]?[\d]+(?:,\d\d\d)*[\.]?\d*(?:[eE][-+]?\d+)?", stats)
assert num.allclose(float(rr[1]), 1.33333)
assert num.allclose(float(rr[2]), 3.33333)
assert num.allclose(float(rr[3]), 160.0)
def test_rate_operator_rate_quantity(self):
from anuga.config import rho_a, rho_w, eta_w
from math import pi, cos, sin
a = [0.0, 0.0]
b = [0.0, 2.0]
c = [2.0, 0.0]
d = [0.0, 4.0]
e = [2.0, 2.0]
f = [4.0, 0.0]
points = [a, b, c, d, e, f]
# bac, bce, ecf, dbe
vertices = [[1, 0, 2], [1, 2, 4], [4, 2, 5], [3, 1, 4]]
domain = Domain(points, vertices)
#Flat surface with 1m of water
domain.set_quantity('elevation', 0.0)
domain.set_quantity('stage', 1.0)
domain.set_quantity('friction', 0.0)
Br = Reflective_boundary(domain)
domain.set_boundary({'exterior': Br})
verbose = False
if verbose:
print domain.quantities['elevation'].centroid_values
print domain.quantities['stage'].centroid_values
print domain.quantities['xmomentum'].centroid_values
print domain.quantities['ymomentum'].centroid_values
# Apply operator to these triangles
indices = [0, 1, 3]
factor = 10.0
from anuga import Quantity
rate_Q = Quantity(domain)
rate_Q.set_values(1.0)
operator = Rate_operator(domain, rate=rate_Q, factor=factor, \
indices=indices)
# Apply Operator
domain.timestep = 2.0
operator()
rate = rate_Q.centroid_values[indices]
t = operator.get_time()
Q = operator.get_Q()
rate = rate * factor
Q_ex = num.sum(domain.areas[indices] * rate)
d = operator.get_timestep() * rate + 1
#print "d"
#print d
#print Q_ex
#print Q
stage_ex = num.array([1.0, 1.0, 1.0, 1.0])
stage_ex[indices] = d
verbose = False
if verbose:
print domain.quantities['elevation'].centroid_values
print domain.quantities['stage'].centroid_values
print domain.quantities['xmomentum'].centroid_values
print domain.quantities['ymomentum'].centroid_values
assert num.allclose(domain.quantities['stage'].centroid_values,
stage_ex)
assert num.allclose(domain.quantities['xmomentum'].centroid_values,
0.0)
assert num.allclose(domain.quantities['ymomentum'].centroid_values,
0.0)
assert num.allclose(Q_ex, Q)
assert num.allclose(domain.fractional_step_volume_integral,
((d - 1.) * domain.areas[indices]).sum())
def test_rate_operator_rate_from_file(self):
from anuga.config import rho_a, rho_w, eta_w
from math import pi, cos, sin
a = [0.0, 0.0]
b = [0.0, 2.0]
c = [2.0, 0.0]
d = [0.0, 4.0]
e = [2.0, 2.0]
f = [4.0, 0.0]
points = [a, b, c, d, e, f]
# bac, bce, ecf, dbe
vertices = [[1,0,2], [1,2,4], [4,2,5], [3,1,4]]
#---------------------------------
#Typical ASCII file
#---------------------------------
finaltime = 1200
filename = 'test_file_function'
fid = open(filename + '.txt', 'w')
start = time.mktime(time.strptime('2000', '%Y'))
dt = 60 #One minute intervals
t = 0.0
while t <= finaltime:
t_string = time.strftime(time_format, time.gmtime(t+start))
fid.write('%s, %f %f %f\n' %(t_string, 2*t, t**2, sin(t*pi/600)))
t += dt
fid.close()
#Convert ASCII file to NetCDF (Which is what we really like!)
timefile2netcdf(filename+'.txt')
#Create file function from time series
F = file_function(filename + '.tms',
quantities = ['Attribute0',
'Attribute1',
'Attribute2'])
#Now try interpolation
for i in range(20):
t = i*10
q = F(t)
#Exact linear intpolation
assert num.allclose(q[0], 2*t)
if i%6 == 0:
assert num.allclose(q[1], t**2)
assert num.allclose(q[2], sin(t*pi/600))
#Check non-exact
t = 90 #Halfway between 60 and 120
q = F(t)
assert num.allclose( (120**2 + 60**2)/2, q[1] )
assert num.allclose( (sin(120*pi/600) + sin(60*pi/600))/2, q[2] )
t = 100 #Two thirds of the way between between 60 and 120
q = F(t)
assert num.allclose( 2*120**2/3 + 60**2/3, q[1] )
assert num.allclose( 2*sin(120*pi/600)/3 + sin(60*pi/600)/3, q[2] )
#os.remove(filename + '.txt')
#os.remove(filename + '.tms')
domain = Domain(points, vertices)
#Flat surface with 1m of water
domain.set_quantity('elevation', 0)
domain.set_quantity('stage', 1.0)
domain.set_quantity('friction', 0)
Br = Reflective_boundary(domain)
domain.set_boundary({'exterior': Br})
# print domain.quantities['elevation'].centroid_values
# print domain.quantities['stage'].centroid_values
# print domain.quantities['xmomentum'].centroid_values
# print domain.quantities['ymomentum'].centroid_values
# Apply operator to these triangles
indices = [0,1,3]
rate = file_function(filename + '.tms', quantities=['Attribute1'])
# Make starttime of domain consistent with tms file starttime
domain.set_starttime(rate.starttime)
factor = 1000.0
default_rate= 17.7
operator = Rate_operator(domain, rate=rate, factor=factor, \
indices=indices, default_rate = default_rate)
# Apply Operator
domain.set_time(360.0)
domain.timestep = 1.0
operator()
d = domain.get_time()**2 * factor + 1.0
stage_ex0 = [ d, d, 1., d]
# print d, domain.get_time(), F(360.0)
# print domain.quantities['elevation'].centroid_values
# print domain.quantities['stage'].centroid_values
# print domain.quantities['xmomentum'].centroid_values
# print domain.quantities['ymomentum'].centroid_values
assert num.allclose(domain.quantities['stage'].centroid_values, stage_ex0)
assert num.allclose(domain.quantities['xmomentum'].centroid_values, 0.0)
assert num.allclose(domain.quantities['ymomentum'].centroid_values, 0.0)
assert num.allclose(domain.fractional_step_volume_integral, ((d-1.)*domain.areas[indices]).sum())
domain.set_time(-10.0)
domain.timestep = 1.0
try:
operator()
except:
pass
else:
raise Exception('Should have raised an exception, time too early')
domain.set_time(1300.0)
domain.timestep = 1.0
operator()
d = default_rate*factor + d
stage_ex1 = [ d, d, 1., d]
# print domain.quantities['elevation'].centroid_values
# print domain.quantities['stage'].centroid_values
# print domain.quantities['xmomentum'].centroid_values
# print domain.quantities['ymomentum'].centroid_values
assert num.allclose(domain.quantities['stage'].centroid_values, stage_ex1)
assert num.allclose(domain.quantities['xmomentum'].centroid_values, 0.0)
assert num.allclose(domain.quantities['ymomentum'].centroid_values, 0.0)
assert num.allclose(domain.fractional_step_volume_integral, ((d-1.)*domain.areas[indices]).sum())
def test_erosion_operator_simple_1_5(self):
from anuga.config import rho_a, rho_w, eta_w
from math import pi, cos, sin
a = [0.0, 0.0]
b = [0.0, 2.0]
c = [2.0, 0.0]
d = [0.0, 4.0]
e = [2.0, 2.0]
f = [4.0, 0.0]
points = [a, b, c, d, e, f]
# bac, bce, ecf, dbe
vertices = [[1,0,2], [1,2,4], [4,2,5], [3,1,4]]
domain = Domain(points, vertices)
domain.set_flow_algorithm('1_5')
#Flat surface with 1m of water
domain.set_quantity('elevation', 0.5)
domain.set_quantity('stage', 1.0)
domain.set_quantity('friction', 0)
domain.set_quantity('xmomentum',2.0)
domain.set_quantity('ymomentum',3.0)
Stage = domain.quantities['stage'].centroid_values
Elevation = domain.quantities['elevation'].centroid_values
Height = Stage - Elevation
sum1 = num.sum(Height)
Br = Reflective_boundary(domain)
domain.set_boundary({'exterior': Br})
# print domain.quantities['stage'].centroid_values
# print domain.quantities['xmomentum'].centroid_values
# print domain.quantities['ymomentum'].centroid_values
# Apply operator to these triangles
indices = [0,1,3]
operator = Erosion_operator(domain, indices=indices, logging=True)
# Apply Operator
domain.timestep = 2.0
operator()
elev_ex = [ 0.05555556, 0.11111111, 0.27777778, 0.05555556]
stage_ex = [ 0.55555556, 0.61111111, 0.77777778, 0.55555556]
Stage = domain.quantities['stage'].centroid_values
Elevation = domain.quantities['elevation'].centroid_values
Height = Stage - Elevation
sum2 = num.sum(Height)
#print domain.quantities['elevation'].centroid_values
#print domain.quantities['stage'].centroid_values
#print domain.quantities['xmomentum'].centroid_values
#print domain.quantities['ymomentum'].centroid_values
assert sum1 == sum2
assert num.allclose(domain.quantities['stage'].centroid_values, stage_ex)
assert num.allclose(domain.quantities['xmomentum'].centroid_values, 2.0)
assert num.allclose(domain.quantities['ymomentum'].centroid_values, 3.0)
def test_set_elevation_operator_simple_1_5(self):
from anuga.config import rho_a, rho_w, eta_w
from math import pi, cos, sin
a = [0.0, 0.0]
b = [0.0, 2.0]
c = [2.0, 0.0]
d = [0.0, 4.0]
e = [2.0, 2.0]
f = [4.0, 0.0]
points = [a, b, c, d, e, f]
# bac, bce, ecf, dbe
vertices = [[1, 0, 2], [1, 2, 4], [4, 2, 5], [3, 1, 4]]
domain = Domain(points, vertices)
domain.set_flow_algorithm('1_5')
#Flat surface with 1m of water
domain.set_quantity('elevation', 0)
domain.set_quantity('stage', 1.0)
domain.set_quantity('friction', 0)
stage_c = domain.quantities['stage'].centroid_values
elev_c = domain.quantities['elevation'].centroid_values
height_c = stage_c - elev_c
integral0 = num.sum(height_c)
Br = Reflective_boundary(domain)
domain.set_boundary({'exterior': Br})
# print domain.quantities['stage'].centroid_values
# print domain.quantities['xmomentum'].centroid_values
# print domain.quantities['ymomentum'].centroid_values
# Apply operator to these triangles
indices = [0, 1, 3]
elev = 3.0
operator = Set_elevation_operator(domain,
elevation=elev,
indices=indices)
# Apply Operator
domain.timestep = 2.0
operator()
height_c = stage_c - elev_c
integral1 = num.sum(height_c)
assert integral0 == integral1
stage_ex = [3.66666667, 3.33333333, 2.33333333, 3.66666667]
elev_ex = [2.66666667, 2.33333333, 1.33333333, 2.66666667]
# print domain.quantities['elevation'].centroid_values
# print domain.quantities['stage'].centroid_values
# print domain.quantities['xmomentum'].centroid_values
# print domain.quantities['ymomentum'].centroid_values
assert num.allclose(domain.quantities['elevation'].centroid_values,
elev_ex)
assert num.allclose(domain.quantities['stage'].centroid_values,
stage_ex)
assert num.allclose(domain.quantities['xmomentum'].centroid_values,
0.0)
assert num.allclose(domain.quantities['ymomentum'].centroid_values,
0.0)
def test_rate_operator_negative_rate_full(self):
from anuga.config import rho_a, rho_w, eta_w
from math import pi, cos, sin
a = [0.0, 0.0]
b = [0.0, 2.0]
c = [2.0, 0.0]
d = [0.0, 4.0]
e = [2.0, 2.0]
f = [4.0, 0.0]
points = [a, b, c, d, e, f]
# bac, bce, ecf, dbe
vertices = [[1, 0, 2], [1, 2, 4], [4, 2, 5], [3, 1, 4]]
domain = Domain(points, vertices)
#Flat surface with 1m of water
domain.set_quantity('elevation', 0)
domain.set_quantity('stage', 10.0)
domain.set_quantity('friction', 0)
Br = Reflective_boundary(domain)
domain.set_boundary({'exterior': Br})
# print domain.quantities['elevation'].centroid_values
# print domain.quantities['stage'].centroid_values
# print domain.quantities['xmomentum'].centroid_values
# print domain.quantities['ymomentum'].centroid_values
# Apply operator to these triangles
indices = [0, 1, 3]
#Catchment_Rain_Polygon = read_polygon(join('CatchmentBdy.csv'))
#rainfall = file_function(join('1y120m.tms'), quantities=['rainfall'])
rate = -1.0
factor = 10.0
default_rate = 0.0
operator = Rate_operator(domain, rate=rate, factor=factor, \
indices=None, default_rate = default_rate)
# Apply Operator
domain.timestep = 2.0
operator()
stage_ex = [0., 0., 0., 0.]
step_integral = -80.0
#print domain.quantities['elevation'].centroid_values
#print domain.quantities['stage'].centroid_values
#print domain.quantities['xmomentum'].centroid_values
#print domain.quantities['ymomentum'].centroid_values
#print domain.fractional_step_volume_integral
assert num.allclose(domain.quantities['stage'].centroid_values,
stage_ex)
assert num.allclose(domain.quantities['xmomentum'].centroid_values,
0.0)
assert num.allclose(domain.quantities['ymomentum'].centroid_values,
0.0)
assert num.allclose(domain.fractional_step_volume_integral,
step_integral)
def test_rate_operator_rate_from_file(self):
from anuga.config import rho_a, rho_w, eta_w
from math import pi, cos, sin
a = [0.0, 0.0]
b = [0.0, 2.0]
c = [2.0, 0.0]
d = [0.0, 4.0]
e = [2.0, 2.0]
f = [4.0, 0.0]
points = [a, b, c, d, e, f]
# bac, bce, ecf, dbe
vertices = [[1, 0, 2], [1, 2, 4], [4, 2, 5], [3, 1, 4]]
#---------------------------------
#Typical ASCII file
#---------------------------------
finaltime = 1200
filename = 'test_file_function'
fid = open(filename + '.txt', 'w')
start = time.mktime(time.strptime('2000', '%Y'))
dt = 60 #One minute intervals
t = 0.0
while t <= finaltime:
t_string = time.strftime(time_format, time.gmtime(t + start))
fid.write('%s, %f %f %f\n' %
(t_string, 2 * t, t**2, sin(t * pi / 600)))
t += dt
fid.close()
#Convert ASCII file to NetCDF (Which is what we really like!)
timefile2netcdf(filename + '.txt')
#Create file function from time series
F = file_function(
filename + '.tms',
quantities=['Attribute0', 'Attribute1', 'Attribute2'])
#Now try interpolation
for i in range(20):
t = i * 10
q = F(t)
#Exact linear intpolation
assert num.allclose(q[0], 2 * t)
if i % 6 == 0:
assert num.allclose(q[1], t**2)
assert num.allclose(q[2], sin(t * pi / 600))
#Check non-exact
t = 90 #Halfway between 60 and 120
q = F(t)
assert num.allclose((120**2 + 60**2) / 2, q[1])
assert num.allclose((sin(120 * pi / 600) + sin(60 * pi / 600)) / 2,
q[2])
t = 100 #Two thirds of the way between between 60 and 120
q = F(t)
assert num.allclose(2 * 120**2 / 3 + 60**2 / 3, q[1])
assert num.allclose(
2 * sin(120 * pi / 600) / 3 + sin(60 * pi / 600) / 3, q[2])
#os.remove(filename + '.txt')
#os.remove(filename + '.tms')
domain = Domain(points, vertices)
#Flat surface with 1m of water
domain.set_quantity('elevation', 0)
domain.set_quantity('stage', 1.0)
domain.set_quantity('friction', 0)
Br = Reflective_boundary(domain)
domain.set_boundary({'exterior': Br})
# print domain.quantities['elevation'].centroid_values
# print domain.quantities['stage'].centroid_values
# print domain.quantities['xmomentum'].centroid_values
# print domain.quantities['ymomentum'].centroid_values
# Apply operator to these triangles
indices = [0, 1, 3]
rate = file_function('test_file_function.tms',
quantities=['Attribute1'])
factor = 1000.0
default_rate = 17.7
operator = Rate_operator(domain, rate=rate, factor=factor, \
indices=indices, default_rate = default_rate)
# Apply Operator
domain.set_starttime(360.0)
domain.timestep = 1.0
operator()
d = domain.get_time()**2 * factor + 1.0
stage_ex0 = [d, d, 1., d]
# print d, domain.get_time(), F(360.0)
# print domain.quantities['elevation'].centroid_values
# print domain.quantities['stage'].centroid_values
# print domain.quantities['xmomentum'].centroid_values
# print domain.quantities['ymomentum'].centroid_values
assert num.allclose(domain.quantities['stage'].centroid_values,
stage_ex0)
assert num.allclose(domain.quantities['xmomentum'].centroid_values,
0.0)
assert num.allclose(domain.quantities['ymomentum'].centroid_values,
0.0)
assert num.allclose(domain.fractional_step_volume_integral,
((d - 1.) * domain.areas[indices]).sum())
domain.set_starttime(-10.0)
domain.timestep = 1.0
try:
operator()
except:
pass
else:
raise Exception('Should have raised an exception, time too early')
domain.set_starttime(1300.0)
domain.timestep = 1.0
operator()
d = default_rate * factor + d
stage_ex1 = [d, d, 1., d]
# print domain.quantities['elevation'].centroid_values
# print domain.quantities['stage'].centroid_values
# print domain.quantities['xmomentum'].centroid_values
# print domain.quantities['ymomentum'].centroid_values
assert num.allclose(domain.quantities['stage'].centroid_values,
stage_ex1)
assert num.allclose(domain.quantities['xmomentum'].centroid_values,
0.0)
assert num.allclose(domain.quantities['ymomentum'].centroid_values,
0.0)
assert num.allclose(domain.fractional_step_volume_integral,
((d - 1.) * domain.areas[indices]).sum())
def test_rate_operator_functions_empty_indices(self):
from anuga.config import rho_a, rho_w, eta_w
from math import pi, cos, sin
a = [0.0, 0.0]
b = [0.0, 2.0]
c = [2.0, 0.0]
d = [0.0, 4.0]
e = [2.0, 2.0]
f = [4.0, 0.0]
points = [a, b, c, d, e, f]
# bac, bce, ecf, dbe
vertices = [[1,0,2], [1,2,4], [4,2,5], [3,1,4]]
domain = Domain(points, vertices)
#Flat surface with 1m of water
domain.set_quantity('elevation', 0.0)
domain.set_quantity('stage', 1.0)
domain.set_quantity('friction', 0.0)
Br = Reflective_boundary(domain)
domain.set_boundary({'exterior': Br})
verbose = False
if verbose:
print domain.quantities['elevation'].centroid_values
print domain.quantities['stage'].centroid_values
print domain.quantities['xmomentum'].centroid_values
print domain.quantities['ymomentum'].centroid_values
# Apply operator to these triangles
indices = []
factor = 10.0
def main_spatial_rate(x,y,t):
# x and y should be an n by 1 array
return x + y
default_rate = 0.0
domain.tri_full_flag[0] = 0
operator = Rate_operator(domain, rate=main_spatial_rate, factor=factor, \
indices=indices, default_rate = default_rate)
# Apply Operator
domain.timestep = 2.0
operator()
t = operator.get_time()
Q = operator.get_Q()
x = operator.coord_c[indices,0]
y = operator.coord_c[indices,1]
rate = main_spatial_rate(x,y,t)*factor
Q_ex = num.sum(domain.areas[indices]*rate)
d = operator.get_timestep()*rate + 1
#print Q_ex, Q
#print indices
#print "d"
#print d
stage_ex = num.array([ 1.0, 1.0, 1.0, 1.0])
stage_ex[indices] = d
if verbose:
print domain.quantities['elevation'].centroid_values
print domain.quantities['stage'].centroid_values
print domain.quantities['xmomentum'].centroid_values
print domain.quantities['ymomentum'].centroid_values
assert num.allclose(domain.quantities['stage'].centroid_values, stage_ex)
assert num.allclose(domain.quantities['xmomentum'].centroid_values, 0.0)
assert num.allclose(domain.quantities['ymomentum'].centroid_values, 0.0)
assert num.allclose(Q_ex, Q)
assert num.allclose(domain.fractional_step_volume_integral, ((d-1.)*domain.areas[indices]).sum())
def test_rate_operator_functions_rate_default_rate(self):
from anuga.config import rho_a, rho_w, eta_w
from math import pi, cos, sin
a = [0.0, 0.0]
b = [0.0, 2.0]
c = [2.0, 0.0]
d = [0.0, 4.0]
e = [2.0, 2.0]
f = [4.0, 0.0]
points = [a, b, c, d, e, f]
# bac, bce, ecf, dbe
vertices = [[1,0,2], [1,2,4], [4,2,5], [3,1,4]]
domain = Domain(points, vertices)
#Flat surface with 1m of water
domain.set_quantity('elevation', 0)
domain.set_quantity('stage', 1.0)
domain.set_quantity('friction', 0)
Br = Reflective_boundary(domain)
domain.set_boundary({'exterior': Br})
verbose = False
if verbose:
print domain.quantities['elevation'].centroid_values
print domain.quantities['stage'].centroid_values
print domain.quantities['xmomentum'].centroid_values
print domain.quantities['ymomentum'].centroid_values
# Apply operator to these triangles
indices = [0,1,3]
factor = 10.0
def main_rate(t):
if t > 20:
msg = 'Model time exceeded.'
raise Modeltime_too_late, msg
else:
return 3.0 * t + 7.0
default_rate = lambda t: 3*t + 7
operator = Rate_operator(domain, rate=main_rate, factor=factor, \
indices=indices, default_rate = default_rate)
# Apply Operator
domain.timestep = 2.0
operator()
t = operator.get_time()
d = operator.get_timestep()*main_rate(t)*factor + 1
stage_ex = [ d, d, 1., d]
if verbose:
print domain.quantities['elevation'].centroid_values
print domain.quantities['stage'].centroid_values
print domain.quantities['xmomentum'].centroid_values
print domain.quantities['ymomentum'].centroid_values
assert num.allclose(domain.quantities['stage'].centroid_values, stage_ex)
assert num.allclose(domain.quantities['xmomentum'].centroid_values, 0.0)
assert num.allclose(domain.quantities['ymomentum'].centroid_values, 0.0)
assert num.allclose(domain.fractional_step_volume_integral, ((d-1.)*domain.areas[indices]).sum())
domain.set_starttime(30.0)
domain.timestep = 1.0
operator()
t = operator.get_time()
d = operator.get_timestep()*default_rate(t)*factor + d
stage_ex = [ d, d, 1., d]
if verbose:
print domain.quantities['elevation'].centroid_values
print domain.quantities['stage'].centroid_values
print domain.quantities['xmomentum'].centroid_values
print domain.quantities['ymomentum'].centroid_values
assert num.allclose(domain.quantities['stage'].centroid_values, stage_ex)
assert num.allclose(domain.quantities['xmomentum'].centroid_values, 0.0)
assert num.allclose(domain.quantities['ymomentum'].centroid_values, 0.0)
def test_rate_operator_negative_rate(self):
from anuga.config import rho_a, rho_w, eta_w
from math import pi, cos, sin
a = [0.0, 0.0]
b = [0.0, 2.0]
c = [2.0, 0.0]
d = [0.0, 4.0]
e = [2.0, 2.0]
f = [4.0, 0.0]
points = [a, b, c, d, e, f]
# bac, bce, ecf, dbe
vertices = [[1, 0, 2], [1, 2, 4], [4, 2, 5], [3, 1, 4]]
domain = Domain(points, vertices)
#Flat surface with 1m of water
domain.set_quantity('elevation', 0)
domain.set_quantity('stage', 1.0)
domain.set_quantity('friction', 0)
Br = Reflective_boundary(domain)
domain.set_boundary({'exterior': Br})
# print domain.quantities['elevation'].centroid_values
# print domain.quantities['stage'].centroid_values
# print domain.quantities['xmomentum'].centroid_values
# print domain.quantities['ymomentum'].centroid_values
# Apply operator to these triangles
indices = [0, 1, 3]
#Catchment_Rain_Polygon = read_polygon(join('CatchmentBdy.csv'))
#rainfall = file_function(join('1y120m.tms'), quantities=['rainfall'])
rate = -1.0
factor = 10.0
default_rate = 0.0
operator = Rate_operator(domain, rate=rate, factor=factor, \
indices=indices, default_rate = default_rate)
# Apply Operator
domain.timestep = 2.0
operator()
stage_ex = [0., 0., 1., 0.]
step_integral = -6.0
#print domain.quantities['elevation'].centroid_values
#print domain.quantities['stage'].centroid_values
#print domain.quantities['xmomentum'].centroid_values
#print domain.quantities['ymomentum'].centroid_values
#print domain.fractional_step_volume_integral
#print factor*domain.timestep*(rate*domain.areas[indices]).sum()
#increment = factor*domain.timestep*rate*domain.areas
assert num.allclose(domain.quantities['stage'].centroid_values,
stage_ex)
assert num.allclose(domain.quantities['xmomentum'].centroid_values,
0.0)
assert num.allclose(domain.quantities['ymomentum'].centroid_values,
0.0)
assert num.allclose(domain.fractional_step_volume_integral,
step_integral)
# test timestepping_statistics
stats = operator.timestepping_statistics()
import re
rr = re.findall("[-+]?[.]?[\d]+(?:,\d\d\d)*[\.]?\d*(?:[eE][-+]?\d+)?",
stats)
assert num.allclose(float(rr[1]), -1.0)
assert num.allclose(float(rr[2]), -60.0)
def test_rate_operator_functions_empty_indices(self):
from anuga.config import rho_a, rho_w, eta_w
from math import pi, cos, sin
a = [0.0, 0.0]
b = [0.0, 2.0]
c = [2.0, 0.0]
d = [0.0, 4.0]
e = [2.0, 2.0]
f = [4.0, 0.0]
points = [a, b, c, d, e, f]
# bac, bce, ecf, dbe
vertices = [[1, 0, 2], [1, 2, 4], [4, 2, 5], [3, 1, 4]]
domain = Domain(points, vertices)
#Flat surface with 1m of water
domain.set_quantity('elevation', 0.0)
domain.set_quantity('stage', 1.0)
domain.set_quantity('friction', 0.0)
Br = Reflective_boundary(domain)
domain.set_boundary({'exterior': Br})
verbose = False
if verbose:
print domain.quantities['elevation'].centroid_values
print domain.quantities['stage'].centroid_values
print domain.quantities['xmomentum'].centroid_values
print domain.quantities['ymomentum'].centroid_values
# Apply operator to these triangles
indices = []
factor = 10.0
def main_spatial_rate(x, y, t):
# x and y should be an n by 1 array
return x + y
default_rate = 0.0
domain.tri_full_flag[0] = 0
operator = Rate_operator(domain, rate=main_spatial_rate, factor=factor, \
indices=indices, default_rate = default_rate)
# Apply Operator
domain.timestep = 2.0
operator()
t = operator.get_time()
Q = operator.get_Q()
x = operator.coord_c[indices, 0]
y = operator.coord_c[indices, 1]
rate = main_spatial_rate(x, y, t) * factor
Q_ex = num.sum(domain.areas[indices] * rate)
d = operator.get_timestep() * rate + 1
#print Q_ex, Q
#print indices
#print "d"
#print d
stage_ex = num.array([1.0, 1.0, 1.0, 1.0])
stage_ex[indices] = d
if verbose:
print domain.quantities['elevation'].centroid_values
print domain.quantities['stage'].centroid_values
print domain.quantities['xmomentum'].centroid_values
print domain.quantities['ymomentum'].centroid_values
assert num.allclose(domain.quantities['stage'].centroid_values,
stage_ex)
assert num.allclose(domain.quantities['xmomentum'].centroid_values,
0.0)
assert num.allclose(domain.quantities['ymomentum'].centroid_values,
0.0)
assert num.allclose(Q_ex, Q)
assert num.allclose(domain.fractional_step_volume_integral,
((d - 1.) * domain.areas[indices]).sum())
def test_set_quantity_negative(self):
from anuga.config import rho_a, rho_w, eta_w
from math import pi, cos, sin
a = [0.0, 0.0]
b = [0.0, 2.0]
c = [2.0, 0.0]
d = [0.0, 4.0]
e = [2.0, 2.0]
f = [4.0, 0.0]
points = [a, b, c, d, e, f]
# bac, bce, ecf, dbe
vertices = [[1, 0, 2], [1, 2, 4], [4, 2, 5], [3, 1, 4]]
domain = Domain(points, vertices)
# Flat surface with 1m of water
domain.set_quantity("elevation", lambda x, y: -2 * x)
domain.set_quantity("stage", 1.0)
domain.set_quantity("friction", 0)
Br = Reflective_boundary(domain)
domain.set_boundary({"exterior": Br})
# print domain.quantities['elevation'].centroid_values
# print domain.quantities['stage'].centroid_values
# print domain.quantities['xmomentum'].centroid_values
# print domain.quantities['ymomentum'].centroid_values
# Apply operator to these triangles
indices = [0, 1, 3]
# Catchment_Rain_Polygon = read_polygon(join('CatchmentBdy.csv'))
# rainfall = file_function(join('1y120m.tms'), quantities=['rainfall'])
stage = -5.0
try:
update_stage = Set_quantity(domain, "stage", value=stage, indices=indices)
except AssertionError:
pass
except e:
self.fail("Unexpected exception thrown:", e)
else:
self.fail("ExpectedException not thrown")
update_stage = Set_quantity(domain, "stage", value=stage, indices=indices, test_stage=False)
# Apply Operator
domain.timestep = 2.0
update_stage()
stage_ex = [-5.0, -5.0, 1.0, -5.0]
# print domain.quantities['elevation'].centroid_values
# print domain.quantities['stage'].centroid_values
# print domain.quantities['xmomentum'].centroid_values
# print domain.quantities['ymomentum'].centroid_values
assert num.allclose(domain.quantities["stage"].centroid_values, stage_ex)
assert num.allclose(domain.quantities["xmomentum"].centroid_values, 0.0)
assert num.allclose(domain.quantities["ymomentum"].centroid_values, 0.0)
update_stage = Set_stage(domain, stage=stage, indices=indices)
domain.timestep = 2.0
update_stage()
stage_ex = [-1.33333333, -2.66666667, 1.0, -1.33333333]
assert num.allclose(domain.quantities["stage"].centroid_values, stage_ex)
assert num.allclose(domain.quantities["xmomentum"].centroid_values, 0.0)
assert num.allclose(domain.quantities["ymomentum"].centroid_values, 0.0)
