def get_timeseries(sww_filename,gauges): """Generate time series for sww file based on gauges """ gauge_locations = gauges.values() gauge_names = gauges.keys() #tempfile = 'xyz1234tempfile.sww' # Has to end with sww #os.system('cp %s %s' % (sww_filename, tempfile)) f = file_function(sww_filename, quantities='stage', interpolation_points=gauge_locations, use_cache=True, verbose=True) timevector = f.get_time() timeseries = {} for k, name in enumerate(gauge_names): model = timeseries[name] = [] for t in timevector: model.append(f(t, point_id=k)[0]) return num.array(timevector), timeseries
def create_a_rain_operator(domain, base_filename): polygon = read_polygon(join(rain_polygon_dir, base_filename+'.csv')) rate = file_function(join(rain_rate_dir, base_filename+'.tms'), quantities=['rate']) return Rate_operator(domain, rate=rate, factor=1.0e-3, \ polygon = polygon)
def setup_boundaries(simulation): """ Setup boundary conditions """ domain = simulation.domain Bd = anuga.Dirichlet_boundary([0, 0, 0]) #Bw = anuga.Time_boundary(domain=domain, function=wrapped_file_function) func = anuga.file_function(join('Forcing', 'Tide', 'Pioneer.tms'), quantities='rainfall') Bw = anuga.Time_boundary(domain=domain, function=lambda t: [func(t), 0.0, 0.0]) domain.set_boundary({'west': Bd, 'south': Bd, 'north': Bd, 'east': Bw})
def wrapped_file_function(t): func = anuga.file_function(join('Forcing', 'Tide', 'Pioneer.tms'), quantities='rainfall') return [func(t), 0.0, 0.0]
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(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())
domain.set_name(output_filename) # Name of output sww file domain.set_minimum_storable_height(0.001) # Don't store w < 0.01m domain.set_store_vertices_smoothly(True) domain.set_flow_algorithm(alg) else: domain = None domain = distribute(domain) #------------------------- # Boundary Conditions #------------------------- # Create boundary function from timeseries provided in file wave_function = anuga.file_function(boundary_filename, domain, verbose=verbose) # Create and assign boundary objects Bts = anuga.Transmissive_n_momentum_zero_t_momentum_set_stage_boundary( domain, wave_function) Br = anuga.Reflective_boundary(domain) domain.set_boundary({'wave': Bts, 'wall': Br}) #------------------------------------------------------------------------- # Produce a documentation of parameters #------------------------------------------------------------------------- from anuga.validation_utilities import save_parameters_tex save_parameters_tex(domain) #-------------------------
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_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 wrapped_file_function(t): func = anuga.file_function(join('Forcing','Tide','Pioneer.tms'), quantities='rainfall') return [func(t), 0.0, 0.0]
quantity_names=None, time_as_seconds=True) TS_file = 'tmsfile_SD_CF.tms' print 'TMS file ' + TS_file + ' created' # -------- Bd = anuga.Dirichlet_boundary([tide, 0, 0]) # Mean water level Bs = anuga.Transmissive_stage_zero_momentum_boundary( domain) # Neutral boundary if project.scenario == 'fixed_wave': # Huge 17.135m wave starting after 60 seconds and lasting 60 minutes. Bw = anuga.Transmissive_n_momentum_zero_t_momentum_set_stage_boundary( domain=domain, function=lambda t: [(60 < t < 3660) * 17.135, 0, 0]) # Option 2: Set boundary stage from predefined TMS file output from EasyWave wave_f = anuga.file_function(TS_file, domain, quantities='Attribute0') Btms = anuga.Transmissive_momentum_set_stage_boundary( domain=domain, function=lambda t: [wave_f(t), 0, 0]) # Bt used if transmissive boundary raise too small timestep exception Bt = anuga.Time_boundary(domain=domain, function=lambda t: [wave_f(t), 0, 0]) domain.set_boundary({ 'onshore': Bd, 'west': Bs, 'bottom_ocean': Btms, 'east': Bs }) if project.scenario == 'slide': # Boundary conditions for slide scenario
parameter_file.write('\\end{verbatim}\n') parameter_file.close() else: domain = None domain = distribute(domain) #------------------------- # Boundary Conditions #------------------------- # Create boundary function from timeseries provided in file function = anuga.file_function(project.boundary_filename, domain, verbose=verbose) # Create and assign boundary objects Bts = anuga.Transmissive_momentum_set_stage_boundary(domain, function) Br = anuga.Reflective_boundary(domain) domain.set_boundary({'wave': Bts, 'wall': Br}) #------------------------- # Evolve through time #------------------------- import time t0 = time.time() for t in domain.evolve(yieldstep=0.05, finaltime=22.5): if myid == 0 and verbose: domain.write_time()
#domain.set_quantities_to_be_monitored('stage') domain.set_flow_algorithm(alg) else: domain = None domain = distribute(domain) #------------------------- # Boundary Conditions #------------------------- # Create boundary function from timeseries provided in file wave_function = anuga.file_function(project.boundary_filename, domain, verbose=verbose) # Create and assign boundary objects Bts = anuga.Transmissive_n_momentum_zero_t_momentum_set_stage_boundary(domain, wave_function) Br = anuga.Reflective_boundary(domain) domain.set_boundary({'wave': Bts, 'wall': Br}) #------------------------------------------------------------------------- # Produce a documentation of parameters #------------------------------------------------------------------------- from anuga.validation_utilities import save_parameters_tex save_parameters_tex(domain) #------------------------- # Evolve through time
## Setup boundary conditions ##----------------------------------------------------------------------- domain.set_quantity('elevation', topography) domain.set_quantity('friction', 0.01) # Constant friction domain.set_quantity('stage', expression='elevation') # Dry initial condition Bi = anuga.Dirichlet_boundary([5.0, 0.0, 0.0]) Br = anuga.Reflective_boundary(domain) # Solid reflective wall domain.set_boundary({'left': Br, 'right': Br, 'top': Br, 'bottom': Br}) ################ Define Fractional Operators ########################## line0 = [[10.0, 10.0], [30.0, 10.0]] #line0 = [[29.0, 10.0], [30.0, 10.0]] poly1 = [[0.0, 10.0], [0.0, 15.0], [5.0, 15.0], [5.0, 10.0]] Q0 = anuga.file_function('data/test_hydrograph.tms', quantities=['hydrograph']) Q1 = 5.0 samples = 50 inlet0 = None inlet1 = None boyd_box0 = None inlet0 = Inlet_operator(domain, line0, Q0, logging=True, description='inlet0', verbose=False) inlet1 = Inlet_operator(domain,
domain.set_quantity('friction', 0.01) # Constant friction domain.set_quantity('stage', expression='elevation') # Dry initial condition Bi = anuga.Dirichlet_boundary([5.0, 0.0, 0.0]) Br = anuga.Reflective_boundary(domain) # Solid reflective wall domain.set_boundary({'left': Br, 'right': Br, 'top': Br, 'bottom': Br}) ################ Define Fractional Operators ########################## line0 = [[10.0, 10.0], [30.0, 10.0]] #line0 = [[29.0, 10.0], [30.0, 10.0]] poly1 = [[0.0, 10.0], [0.0, 15.0], [5.0, 15.0], [5.0, 10.0]] Q0 = anuga.file_function('../data/test_hydrograph.tms', quantities=['hydrograph']) Q1 = 5.0 samples = 50 inlet0 = None inlet1 = None boyd_box0 = None inlet0 = Inlet_operator(domain, line0, Q0, logging=True, description='inlet0', verbose = False) inlet1 = Inlet_operator(domain, poly1, Q1, logging=True, description='inlet1', verbose = False) # Enquiry point [ 19. 2.5] is contained in two domains in 4 proc case boyd_box0 = Boyd_box_operator(domain,