def concept_ungenerateIII(self):
from anuga import Domain, Reflective_boundary, \
Dirichlet_boundary
from anuga.pmesh.mesh_interface import create_mesh_from_regions
# These are the absolute values
polygon = [[0, 0], [100, 0], [100, 100], [0, 100]]
boundary_tags = {'wall': [0, 1, 3], 'wave': [2]}
inner1_polygon = [[10, 10], [20, 10], [20, 20], [10, 20]]
inner2_polygon = [[30, 30], [40, 30], [40, 40], [30, 40]]
max_area = 1
interior_regions = [(inner1_polygon, 5), (inner2_polygon, 10)]
m = create_mesh_from_regions(polygon,
boundary_tags,
max_area,
interior_regions=interior_regions)
fileName = tempfile.mktemp('.txt')
file = open(fileName, 'w')
file.write(' 1 ?? ??\n\
90.0 90.0\n\
81.0 90.0\n\
81.0 81.0\n\
90.0 81.0\n\
90.0 90.0\n\
END\n\
2 ?? ??\n\
10.0 80.0\n\
10.0 90.0\n\
20.0 90.0\n\
10.0 80.0\n\
END\n\
END\n')
file.close()
m.import_ungenerate_file(fileName)
os.remove(fileName)
m.generate_mesh(maximum_triangle_area=max_area, verbose=False)
mesh_filename = 'mesh.tsh'
m.export_mesh_file(mesh_filename)
domain = Domain(mesh_filename, use_cache=False)
Br = Reflective_boundary(domain)
Bd = Dirichlet_boundary([3, 0, 0])
domain.set_boundary({'wall': Br, 'wave': Bd})
yieldstep = 0.1
finaltime = 10
for t in domain.evolve(yieldstep, finaltime):
domain.write_time()
def concept_ungenerateIII(self):
from anuga import Domain, Reflective_boundary, \
Dirichlet_boundary
from anuga.pmesh.mesh_interface import create_mesh_from_regions
# These are the absolute values
polygon = [[0,0], [100,0], [100,100], [0,100]]
boundary_tags = {'wall': [0,1,3], 'wave': [2]}
inner1_polygon = [[10,10], [20,10], [20,20], [10,20]]
inner2_polygon = [[30,30], [40,30], [40,40], [30,40]]
max_area = 1
interior_regions = [(inner1_polygon, 5), (inner2_polygon, 10)]
m = create_mesh_from_regions(polygon,
boundary_tags,
max_area,
interior_regions=interior_regions)
fileName = tempfile.mktemp('.txt')
file = open(fileName, 'w')
file.write(' 1 ?? ??\n\
90.0 90.0\n\
81.0 90.0\n\
81.0 81.0\n\
90.0 81.0\n\
90.0 90.0\n\
END\n\
2 ?? ??\n\
10.0 80.0\n\
10.0 90.0\n\
20.0 90.0\n\
10.0 80.0\n\
END\n\
END\n')
file.close()
m.import_ungenerate_file(fileName)
os.remove(fileName)
m.generate_mesh(maximum_triangle_area=max_area, verbose=False)
mesh_filename = 'mesh.tsh'
m.export_mesh_file(mesh_filename)
domain = Domain(mesh_filename, use_cache=False)
Br = Reflective_boundary(domain)
Bd = Dirichlet_boundary([3, 0, 0])
domain.set_boundary({'wall': Br, 'wave': Bd})
yieldstep = 0.1
finaltime = 10
for t in domain.evolve(yieldstep, finaltime):
domain.write_time()
def concept_ungenerateII(self):
from anuga import Domain, Reflective_boundary, Dirichlet_boundary
x = 0
y = 0
mesh_geo = geo_reference = Geo_reference(56, x, y)
# These are the absolute values
polygon_absolute = [[0, 0], [100, 0], [100, 100], [0, 100]]
x_p = -10
y_p = -40
geo_ref_poly = Geo_reference(56, x_p, y_p)
polygon = geo_ref_poly.change_points_geo_ref(polygon_absolute)
boundary_tags = {'wall': [0, 1, 3], 'wave': [2]}
inner1_polygon_absolute = [[10, 10], [20, 10], [20, 20], [10, 20]]
inner1_polygon = geo_ref_poly.\
change_points_geo_ref(inner1_polygon_absolute)
inner2_polygon_absolute = [[30, 30], [40, 30], [40, 40], [30, 40]]
inner2_polygon = geo_ref_poly.\
change_points_geo_ref(inner2_polygon_absolute)
max_area = 1
interior_regions = [(inner1_polygon, 5), (inner2_polygon, 10)]
m = create_mesh_from_regions(polygon,
boundary_tags,
max_area,
interior_regions=interior_regions,
poly_geo_reference=geo_ref_poly,
mesh_geo_reference=mesh_geo)
m.export_mesh_file('a_test_mesh_iknterface.tsh')
fileName = tempfile.mktemp('.txt')
file = open(fileName, 'w')
file.write(' 1 ?? ??\n\
90.0 90.0\n\
81.0 90.0\n\
81.0 81.0\n\
90.0 81.0\n\
90.0 90.0\n\
END\n\
2 ?? ??\n\
10.0 80.0\n\
10.0 90.0\n\
20.0 90.0\n\
10.0 80.0\n\
END\n\
END\n')
file.close()
m.import_ungenerate_file(fileName) #, tag='wall')
os.remove(fileName)
m.generate_mesh(maximum_triangle_area=max_area, verbose=False)
mesh_filename = 'bento_b.tsh'
m.export_mesh_file(mesh_filename)
domain = Domain(mesh_filename, use_cache=False)
Br = Reflective_boundary(domain)
Bd = Dirichlet_boundary([3, 0, 0])
domain.set_boundary({'wall': Br, 'wave': Bd})
yieldstep = 0.1
finaltime = 10
for t in domain.evolve(yieldstep, finaltime):
domain.write_time()
def write_time(self):
if self.processor == 0:
Domain.write_time(self)
Bw5 = anuga.Flather_external_stage_zero_velocity_boundary(domain, zero_fun)
# Associate boundary tags with boundary objects
domain.set_boundary({'left': Bw2, 'right': Bw5, 'top': Br, 'bottom': Br})
#------------------------------------------------------------------------------
# Produce a documentation of parameters
#------------------------------------------------------------------------------
if myid == 0:
parameter_file=open('parameters.tex', 'w')
parameter_file.write('\\begin{verbatim}\n')
from pprint import pprint
pprint(domain.get_algorithm_parameters(),parameter_file,indent=4)
parameter_file.write('\\end{verbatim}\n')
parameter_file.close()
#------------------------------------------------------------------------------
# Evolve system through time
#------------------------------------------------------------------------------
for t in domain.evolve(yieldstep = 10, finaltime = 2e4):
domain.write_time()
if interactive_visualisation:
vis.update()
domain.sww_merge(delete_old=True)
finalize()
def concept_ungenerateII(self):
from anuga import Domain, Reflective_boundary, Dirichlet_boundary
x=0
y=0
mesh_geo = geo_reference=Geo_reference(56, x, y)
# These are the absolute values
polygon_absolute = [[0,0], [100,0], [100,100], [0,100]]
x_p = -10
y_p = -40
geo_ref_poly = Geo_reference(56, x_p, y_p)
polygon = geo_ref_poly.change_points_geo_ref(polygon_absolute)
boundary_tags = {'wall': [0,1,3], 'wave': [2]}
inner1_polygon_absolute = [[10,10], [20,10], [20,20], [10,20]]
inner1_polygon = geo_ref_poly.\
change_points_geo_ref(inner1_polygon_absolute)
inner2_polygon_absolute = [[30,30], [40,30], [40,40], [30,40]]
inner2_polygon = geo_ref_poly.\
change_points_geo_ref(inner2_polygon_absolute)
max_area = 1
interior_regions = [(inner1_polygon, 5), (inner2_polygon, 10)]
m = create_mesh_from_regions(polygon,
boundary_tags,
max_area,
interior_regions=interior_regions,
poly_geo_reference=geo_ref_poly,
mesh_geo_reference=mesh_geo)
m.export_mesh_file('a_test_mesh_iknterface.tsh')
fileName = tempfile.mktemp('.txt')
file = open(fileName, 'w')
file.write(' 1 ?? ??\n\
90.0 90.0\n\
81.0 90.0\n\
81.0 81.0\n\
90.0 81.0\n\
90.0 90.0\n\
END\n\
2 ?? ??\n\
10.0 80.0\n\
10.0 90.0\n\
20.0 90.0\n\
10.0 80.0\n\
END\n\
END\n')
file.close()
m.import_ungenerate_file(fileName) #, tag='wall')
os.remove(fileName)
m.generate_mesh(maximum_triangle_area=max_area, verbose=False)
mesh_filename = 'bento_b.tsh'
m.export_mesh_file(mesh_filename)
domain = Domain(mesh_filename, use_cache = False)
Br = Reflective_boundary(domain)
Bd = Dirichlet_boundary([3, 0, 0])
domain.set_boundary({'wall': Br, 'wave': Bd})
yieldstep = 0.1
finaltime = 10
for t in domain.evolve(yieldstep, finaltime):
domain.write_time()
def start_sim(run_id, Runs, scenario_name, Scenario, session, **kwargs):
yieldstep = kwargs['yieldstep']
finaltime = kwargs['finaltime']
logger = logging.getLogger(run_id)
max_triangle_area = kwargs['max_triangle_area']
logger.info('Starting hydrata_project')
if run_id == 'local_run':
base_dir = os.getcwd()
else:
base_dir = os.getcwd() + '/base_dir/%s/' % run_id
outname = run_id
meshname = base_dir + 'outputs/' + run_id + '.msh'
def get_filename(data_type, file_type):
files = os.listdir('%sinputs/%s' % (base_dir, data_type))
filename = '%sinputs/%s/%s' % (
base_dir, data_type, [f for f in files if f[-4:] == file_type][0])
return filename
boundary_data_filename = get_filename('boundary_data', '.shp')
elevation_data_filename = get_filename('elevation_data', '.tif')
try:
structures_filename = get_filename('structures', '.shp')
except OSError as e:
structures_filename = None
try:
rain_data_filename = get_filename('rain_data', '.shp')
except OSError as e:
rain_data_filename = None
try:
inflow_data_filename = get_filename('inflow_data', '.shp')
except OSError as e:
inflow_data_filename = None
try:
friction_data_filename = get_filename('friction_data', '.shp')
except OSError as e:
friction_data_filename = None
logger.info('boundary_data_filename: %s' % boundary_data_filename)
logger.info('structures_filename: %s' % structures_filename)
logger.info('rain_data_filename: %s' % rain_data_filename)
logger.info('inflow_data_filename: %s' % inflow_data_filename)
logger.info('friction_data_filename: %s' % friction_data_filename)
logger.info('elevation_data_filename: %s' % elevation_data_filename)
# create a list of project files
vector_filenames = [
boundary_data_filename, structures_filename, rain_data_filename,
inflow_data_filename, friction_data_filename
]
# set the projection system for ANUGA calculations from the geotiff elevation data
elevation_data_gdal = gdal.Open(elevation_data_filename)
project_spatial_ref = osr.SpatialReference()
project_spatial_ref.ImportFromWkt(elevation_data_gdal.GetProjectionRef())
project_spatial_ref_epsg_code = int(
project_spatial_ref.GetAttrValue("AUTHORITY", 1))
# check the spatial reference system of the project files matches that of the calculation
for filename in vector_filenames:
if filename:
prj_text = open(filename[:-4] + '.prj').read()
srs = osr.SpatialReference()
srs.ImportFromESRI([prj_text])
srs.AutoIdentifyEPSG()
logger.info('filename is: %s' % filename)
logger.info('EPSG is: %s' % srs.GetAuthorityCode(None))
if str(srs.GetAuthorityCode(None)) != str(
project_spatial_ref_epsg_code):
logger.warning('warning spatial refs are not maching: %s, %s' %
(srs.GetAuthorityCode(None),
project_spatial_ref_epsg_code))
logger.info('Setting up structures...')
if structures_filename:
structures = []
logger.info('processing structures from :%s' % structures_filename)
ogr_shapefile = ogr.Open(structures_filename)
ogr_layer = ogr_shapefile.GetLayer(0)
ogr_layer_feature = ogr_layer.GetNextFeature()
while ogr_layer_feature:
structure = json.loads(ogr_layer_feature.GetGeometryRef().
ExportToJson())['coordinates'][0]
structures.append(structure)
ogr_layer_feature = None
ogr_layer_feature = ogr_layer.GetNextFeature()
logger.info('structures: %s' % structures)
else:
logger.warning('warning: no structures found.')
structures = None
logger.info('Setting up friction...')
frictions = []
if friction_data_filename:
logger.info('processing frictions from :%s' % friction_data_filename)
ogr_shapefile = ogr.Open(friction_data_filename)
ogr_layer = ogr_shapefile.GetLayer(0)
ogr_layer_feature = ogr_layer.GetNextFeature()
while ogr_layer_feature:
friction_poly = json.loads(ogr_layer_feature.GetGeometryRef().
ExportToJson())['coordinates'][0]
friction_value = float(ogr_layer_feature.GetField('mannings'))
friction_couple = [friction_poly, friction_value]
frictions.append(friction_couple)
ogr_layer_feature = None
ogr_layer_feature = ogr_layer.GetNextFeature()
frictions.append(['All', 0.04])
logger.info('frictions: %s' % frictions)
else:
frictions.append(['All', 0.04])
logger.info('warning: no frictions found.')
logger.info('Setting up boundary conditions...')
ogr_shapefile = ogr.Open(boundary_data_filename)
ogr_layer = ogr_shapefile.GetLayer(0)
ogr_layer_definition = ogr_layer.GetLayerDefn()
logger.info('ogr_layer_definition.GetGeomType: %s' %
ogr_layer_definition.GetGeomType())
boundary_tag_index = 0
bdy_tags = {}
bdy = {}
ogr_layer_feature = ogr_layer.GetNextFeature()
while ogr_layer_feature:
boundary_tag_key = ogr_layer_feature.GetField('bdy_tag_k')
boundary_tag_value = ogr_layer_feature.GetField('bdy_tag_v')
bdy_tags[boundary_tag_key] = [
boundary_tag_index * 2, boundary_tag_index * 2 + 1
]
bdy[boundary_tag_key] = boundary_tag_value
geom = ogr_layer_feature.GetGeometryRef().GetPoints()
ogr_layer_feature = None
ogr_layer_feature = ogr_layer.GetNextFeature()
boundary_tag_index = boundary_tag_index + 1
logger.info('bdy_tags: %s' % bdy_tags)
logger.info('bdy: %s' % bdy)
boundary_data = su.read_polygon(boundary_data_filename)
create_mesh_from_regions(boundary_data,
boundary_tags=bdy_tags,
maximum_triangle_area=max_triangle_area,
interior_regions=None,
interior_holes=structures,
filename=meshname,
use_cache=False,
verbose=True)
domain = Domain(meshname, use_cache=False, verbose=True)
domain.set_name(outname)
domain.set_datadir(base_dir + '/outputs')
logger.info(domain.statistics())
poly_fun_pairs = [['Extent', elevation_data_filename.encode("utf-8")]]
topography_function = qs.composite_quantity_setting_function(
poly_fun_pairs,
domain,
nan_treatment='exception',
)
friction_function = qs.composite_quantity_setting_function(
frictions, domain)
domain.set_quantity('friction', friction_function, verbose=True)
domain.set_quantity('stage', 0.0)
domain.set_quantity('elevation',
topography_function,
verbose=True,
alpha=0.99)
domain.set_minimum_storable_height(0.005)
logger.info('Applying rainfall...')
if rain_data_filename:
ogr_shapefile = ogr.Open(rain_data_filename)
ogr_layer = ogr_shapefile.GetLayer(0)
rainfall = 0
ogr_layer_feature = ogr_layer.GetNextFeature()
while ogr_layer_feature:
rainfall = float(ogr_layer_feature.GetField('rate_mm_hr'))
polygon = su.read_polygon(rain_data_filename)
logger.info("applying Polygonal_rate_operator with rate, polygon:")
logger.info(rainfall)
logger.info(polygon)
Polygonal_rate_operator(domain,
rate=rainfall,
factor=1.0e-6,
polygon=polygon,
default_rate=0.0)
ogr_layer_feature = None
ogr_layer_feature = ogr_layer.GetNextFeature()
logger.info('Applying surface inflows...')
if inflow_data_filename:
ogr_shapefile = ogr.Open(inflow_data_filename)
ogr_layer = ogr_shapefile.GetLayer(0)
ogr_layer_definition = ogr_layer.GetLayerDefn()
ogr_layer_feature = ogr_layer.GetNextFeature()
while ogr_layer_feature:
in_fixed = float(ogr_layer_feature.GetField('in_fixed'))
line = ogr_layer_feature.GetGeometryRef().GetPoints()
logger.info("applying Inlet_operator with line, in_fixed:")
logger.info(line)
logger.info(in_fixed)
Inlet_operator(domain, line, in_fixed, verbose=False)
ogr_layer_feature = None
ogr_layer_feature = ogr_layer.GetNextFeature()
logger.info('Applying Boundary Conditions...')
logger.info('Available boundary tags: %s' % domain.get_boundary_tags())
Br = anuga.Reflective_boundary(domain)
Bd = anuga.Dirichlet_boundary([0.0, 0.0, 0.0])
Bt = anuga.Transmissive_boundary(domain)
for key, value in bdy.iteritems():
if value == 'Br':
bdy[key] = Br
elif value == 'Bd':
bdy[key] = Bd
elif value == 'Bt':
bdy[key] = Bt
else:
logger.info(
'No matching boundary condition exists - please check your shapefile attributes in: %s'
% boundary_data_filename)
# set a default value for exterior & interior boundary if it is not already set
try:
bdy['exterior']
except KeyError:
bdy['exterior'] = Br
try:
bdy['interior']
except KeyError:
bdy['interior'] = Br
logger.info('bdy: %s' % bdy)
domain.set_boundary(bdy)
domain = distribute(domain)
logger.info('Beginning evolve phase...')
for t in domain.evolve(yieldstep, finaltime):
domain.write_time()
print domain.timestepping_statistics()
logger.info(domain.timestepping_statistics(track_speeds=True))
percentage_complete = round(domain.time / domain.finaltime, 3) * 100
logger.info('%s percent complete' % percentage_complete)
if run_id != 'local_run':
write_percentage_complete(run_id, Runs, scenario_name, Scenario,
session, percentage_complete)
domain.sww_merge(delete_old=True)
barrier()
finalize()
sww_file = base_dir + '/outputs/' + run_id + '.sww'
sww_file = sww_file.encode(
'utf-8',
'ignore') # sometimes run_id gets turned to a unicode object by celery
util.Make_Geotif(swwFile=sww_file,
output_quantities=['depth', 'velocity'],
myTimeStep='max',
CellSize=max_triangle_area,
lower_left=None,
upper_right=None,
EPSG_CODE=project_spatial_ref_epsg_code,
proj4string=None,
velocity_extrapolation=True,
min_allowed_height=1.0e-05,
output_dir=(base_dir + '/outputs/'),
bounding_polygon=boundary_data,
internal_holes=structures,
verbose=False,
k_nearest_neighbours=3,
creation_options=[])
logger.info("Done. Nice work.")
def write_time(self):
if self.processor == 0:
Domain.write_time(self)
def sequential_time_varying_file_boundary_sts(self):
"""sequential_ltest_time_varying_file_boundary_sts_sequential(self):
Read correct points from ordering file and apply sts to boundary. The boundary is time varying. FIXME add to test_urs2sts.
"""
lat_long_points = [[6.01, 97.0], [6.02, 97.0], [6.05, 96.9],
[6.0, 97.0]]
bounding_polygon = [[6.0, 97.0], [6.01, 97.0], [6.02, 97.0],
[6.02, 97.02], [6.00, 97.02]]
tide = 3.0
time_step_count = 65
time_step = 2.
n = len(lat_long_points)
first_tstep = num.ones(n, num.int)
last_tstep = (time_step_count) * num.ones(n, num.int)
finaltime = num.float(time_step * (time_step_count - 1))
yieldstep = num.float(time_step)
gauge_depth = 20 * num.ones(n, num.float)
ha = 2 * num.ones((n, time_step_count), num.float)
ua = 10 * num.ones((n, time_step_count), num.float)
va = -10 * num.ones((n, time_step_count), num.float)
times = num.arange(0., num.float(time_step_count * time_step),
time_step)
for i in range(n):
#ha[i]+=num.sin(times)
ha[i] += times / finaltime
sts_file = "test"
if myid == 0:
base_name, files = self.write_mux2(lat_long_points,
time_step_count,
time_step,
first_tstep,
last_tstep,
depth=gauge_depth,
ha=ha,
ua=ua,
va=va)
# base name will not exist, but 3 other files are created
# Write order file
file_handle, order_base_name = tempfile.mkstemp("")
os.close(file_handle)
os.remove(order_base_name)
d = ","
order_file = order_base_name + 'order.txt'
fid = open(order_file, 'w')
# Write Header
header = 'index, longitude, latitude\n'
fid.write(header)
indices = [3, 0, 1]
for i in indices:
line=str(i)+d+str(lat_long_points[i][1])+d+\
str(lat_long_points[i][0])+"\n"
fid.write(line)
fid.close()
urs2sts(base_name,
basename_out=sts_file,
ordering_filename=order_file,
mean_stage=tide,
verbose=verbose)
self.delete_mux(files)
assert (os.access(sts_file + '.sts', os.F_OK))
os.remove(order_file)
barrier()
boundary_polygon = create_sts_boundary(sts_file)
# Append the remaining part of the boundary polygon to be defined by
# the user
bounding_polygon_utm = []
for point in bounding_polygon:
zone, easting, northing = redfearn(point[0], point[1])
bounding_polygon_utm.append([easting, northing])
boundary_polygon.append(bounding_polygon_utm[3])
boundary_polygon.append(bounding_polygon_utm[4])
assert num.allclose(bounding_polygon_utm, boundary_polygon)
extent_res = 1000000
meshname = 'urs_test_mesh' + '.tsh'
interior_regions = None
boundary_tags = {'ocean': [0, 1], 'otherocean': [2, 3, 4]}
# have to change boundary tags from last example because now bounding
# polygon starts in different place.
if myid == 0:
create_mesh_from_regions(boundary_polygon,
boundary_tags=boundary_tags,
maximum_triangle_area=extent_res,
filename=meshname,
interior_regions=interior_regions,
verbose=verbose)
barrier()
domain_fbound = Domain(meshname)
domain_fbound.set_quantities_to_be_stored(None)
domain_fbound.set_quantity('stage', tide)
if verbose: print "Creating file boundary condition"
Bf = File_boundary(sts_file + '.sts',
domain_fbound,
boundary_polygon=boundary_polygon)
Br = Reflective_boundary(domain_fbound)
domain_fbound.set_boundary({'ocean': Bf, 'otherocean': Br})
temp_fbound = num.zeros(int(finaltime / yieldstep) + 1, num.float)
if verbose: print "Evolving domain with file boundary condition"
for i, t in enumerate(
domain_fbound.evolve(yieldstep=yieldstep,
finaltime=finaltime,
skip_initial_step=False)):
temp_fbound[i] = domain_fbound.quantities['stage'].centroid_values[
2]
if verbose: domain_fbound.write_time()
domain_drchlt = Domain(meshname)
domain_drchlt.set_quantities_to_be_stored(None)
domain_drchlt.set_starttime(time_step)
domain_drchlt.set_quantity('stage', tide)
Br = Reflective_boundary(domain_drchlt)
#Bd = Dirichlet_boundary([2.0+tide,220+10*tide,-220-10*tide])
Bd = Time_boundary(
domain=domain_drchlt,
f=lambda t: [
2.0 + t / finaltime + tide, 220. + 10. * tide + 10. * t /
finaltime, -220. - 10. * tide - 10. * t / finaltime
])
#Bd = Time_boundary(domain=domain_drchlt,f=lambda t: [2.0+num.sin(t)+tide,10.*(2+20.+num.sin(t)+tide),-10.*(2+20.+num.sin(t)+tide)])
domain_drchlt.set_boundary({'ocean': Bd, 'otherocean': Br})
temp_drchlt = num.zeros(int(finaltime / yieldstep) + 1, num.float)
for i, t in enumerate(
domain_drchlt.evolve(yieldstep=yieldstep,
finaltime=finaltime,
skip_initial_step=False)):
temp_drchlt[i] = domain_drchlt.quantities['stage'].centroid_values[
2]
#domain_drchlt.write_time()
#print domain_fbound.quantities['stage'].vertex_values
#print domain_drchlt.quantities['stage'].vertex_values
assert num.allclose(temp_fbound,
temp_drchlt), temp_fbound - temp_drchlt
assert num.allclose(domain_fbound.quantities['stage'].vertex_values,
domain_drchlt.quantities['stage'].vertex_values)
assert num.allclose(
domain_fbound.quantities['xmomentum'].vertex_values,
domain_drchlt.quantities['xmomentum'].vertex_values)
assert num.allclose(
domain_fbound.quantities['ymomentum'].vertex_values,
domain_drchlt.quantities['ymomentum'].vertex_values)
if not sys.platform == 'win32':
if myid == 0: os.remove(sts_file + '.sts')
if myid == 0: os.remove(meshname)
def sequential_time_varying_file_boundary_sts(self):
"""sequential_ltest_time_varying_file_boundary_sts_sequential(self):
Read correct points from ordering file and apply sts to boundary. The boundary is time varying. FIXME add to test_urs2sts.
"""
lat_long_points=[[6.01,97.0],[6.02,97.0],[6.05,96.9],[6.0,97.0]]
bounding_polygon=[[6.0,97.0],[6.01,97.0],[6.02,97.0],
[6.02,97.02],[6.00,97.02]]
tide = 3.0
time_step_count = 65
time_step = 2.
n=len(lat_long_points)
first_tstep=num.ones(n,num.int)
last_tstep=(time_step_count)*num.ones(n,num.int)
finaltime=num.float(time_step*(time_step_count-1))
yieldstep=num.float(time_step)
gauge_depth=20*num.ones(n,num.float)
ha=2*num.ones((n,time_step_count),num.float)
ua=10*num.ones((n,time_step_count),num.float)
va=-10*num.ones((n,time_step_count),num.float)
times=num.arange(0., num.float(time_step_count*time_step), time_step)
for i in range(n):
#ha[i]+=num.sin(times)
ha[i]+=times/finaltime
sts_file="test"
if myid==0:
base_name, files = self.write_mux2(lat_long_points,
time_step_count,
time_step,
first_tstep,
last_tstep,
depth=gauge_depth,
ha=ha,
ua=ua,
va=va)
# base name will not exist, but 3 other files are created
# Write order file
file_handle, order_base_name = tempfile.mkstemp("")
os.close(file_handle)
os.remove(order_base_name)
d=","
order_file=order_base_name+'order.txt'
fid=open(order_file,'w')
# Write Header
header='index, longitude, latitude\n'
fid.write(header)
indices=[3,0,1]
for i in indices:
line=str(i)+d+str(lat_long_points[i][1])+d+\
str(lat_long_points[i][0])+"\n"
fid.write(line)
fid.close()
urs2sts(base_name,
basename_out=sts_file,
ordering_filename=order_file,
mean_stage=tide,
verbose=verbose)
self.delete_mux(files)
assert(os.access(sts_file+'.sts', os.F_OK))
os.remove(order_file)
barrier()
boundary_polygon = create_sts_boundary(sts_file)
# Append the remaining part of the boundary polygon to be defined by
# the user
bounding_polygon_utm=[]
for point in bounding_polygon:
zone,easting,northing=redfearn(point[0],point[1])
bounding_polygon_utm.append([easting,northing])
boundary_polygon.append(bounding_polygon_utm[3])
boundary_polygon.append(bounding_polygon_utm[4])
assert num.allclose(bounding_polygon_utm,boundary_polygon)
extent_res=1000000
meshname = 'urs_test_mesh' + '.tsh'
interior_regions=None
boundary_tags={'ocean': [0,1], 'otherocean': [2,3,4]}
# have to change boundary tags from last example because now bounding
# polygon starts in different place.
if myid==0:
create_mesh_from_regions(boundary_polygon,
boundary_tags=boundary_tags,
maximum_triangle_area=extent_res,
filename=meshname,
interior_regions=interior_regions,
verbose=verbose)
barrier()
domain_fbound = Domain(meshname)
domain_fbound.set_quantities_to_be_stored(None)
domain_fbound.set_quantity('stage', tide)
if verbose: print "Creating file boundary condition"
Bf = File_boundary(sts_file+'.sts',
domain_fbound,
boundary_polygon=boundary_polygon)
Br = Reflective_boundary(domain_fbound)
domain_fbound.set_boundary({'ocean': Bf,'otherocean': Br})
temp_fbound=num.zeros(int(finaltime/yieldstep)+1,num.float)
if verbose: print "Evolving domain with file boundary condition"
for i, t in enumerate(domain_fbound.evolve(yieldstep=yieldstep,
finaltime=finaltime,
skip_initial_step = False)):
temp_fbound[i]=domain_fbound.quantities['stage'].centroid_values[2]
if verbose: domain_fbound.write_time()
domain_drchlt = Domain(meshname)
domain_drchlt.set_quantities_to_be_stored(None)
domain_drchlt.set_starttime(time_step)
domain_drchlt.set_quantity('stage', tide)
Br = Reflective_boundary(domain_drchlt)
#Bd = Dirichlet_boundary([2.0+tide,220+10*tide,-220-10*tide])
Bd = Time_boundary(domain=domain_drchlt, f=lambda t: [2.0+t/finaltime+tide,220.+10.*tide+10.*t/finaltime,-220.-10.*tide-10.*t/finaltime])
#Bd = Time_boundary(domain=domain_drchlt,f=lambda t: [2.0+num.sin(t)+tide,10.*(2+20.+num.sin(t)+tide),-10.*(2+20.+num.sin(t)+tide)])
domain_drchlt.set_boundary({'ocean': Bd,'otherocean': Br})
temp_drchlt=num.zeros(int(finaltime/yieldstep)+1,num.float)
for i, t in enumerate(domain_drchlt.evolve(yieldstep=yieldstep,
finaltime=finaltime,
skip_initial_step = False)):
temp_drchlt[i]=domain_drchlt.quantities['stage'].centroid_values[2]
#domain_drchlt.write_time()
#print domain_fbound.quantities['stage'].vertex_values
#print domain_drchlt.quantities['stage'].vertex_values
assert num.allclose(temp_fbound,temp_drchlt),temp_fbound-temp_drchlt
assert num.allclose(domain_fbound.quantities['stage'].vertex_values,
domain_drchlt.quantities['stage'].vertex_values)
assert num.allclose(domain_fbound.quantities['xmomentum'].vertex_values,
domain_drchlt.quantities['xmomentum'].vertex_values)
assert num.allclose(domain_fbound.quantities['ymomentum'].vertex_values,
domain_drchlt.quantities['ymomentum'].vertex_values)
if not sys.platform == 'win32':
if myid==0: os.remove(sts_file+'.sts')
if myid==0: os.remove(meshname)
