def CreateRasts(Input_SWW, path_final, filename):
quantities = ['stage', 'depth', 'momentum']
for i in range(len(quantities)):
print('Creating raster for quantity ' + quantities[i])
outname = path_final + '\\' + str(filename) + "_" + str(quantities[i] +
".asc")
anuga.sww2dem(Input_SWW,
outname,
quantity=quantities[i],
reduction=max,
cellsize=1)
def CreateRasts(Input_SWW,Output_DEM_Path,Full_Series):
quantities = ['elevation','stage','depth','momentum']
sww_file = sww.Read_sww(Input_SWW)
timeinfo = sww_file.time
if Full_Series == 'Yes':
for i in range(len(quantities)):
for j in range(len(timeinfo)):
outname = Output_DEM_Path + '\\' + str(filename) + "_" + str(quantities[i] + "_" + str(int(timeinfo[j])) + ".asc")
anuga.sww2dem(Input_SWW,outname,quantity=quantities[i],reduction = j, cellsize = 5)
else:
for i in range(len(quantities)):
outname = Output_DEM_Path + '\\' + str(filename) + "_" + str(quantities[i] + "_" + str(int(timeinfo[j])) + ".asc")
anuga.sww2dem(Input_SWW,outname,quantity=quantities[i],reduction = (len(timeinfo)-1), cellsize = 5)
quantityname = 'stage'
if which_var == 1: # Absolute Momentum
outname = name + '_momentum'
quantityname = '(xmomentum**2 + ymomentum**2)**0.5' #Absolute momentum
if which_var == 2: # Depth
outname = name + '_depth'
quantityname = 'stage-elevation' #Depth
if which_var == 3: # Speed
outname = name + '_speed'
quantityname = '(xmomentum**2 + ymomentum**2)**0.5/(stage-elevation+1.e-30)' #Speed
if which_var == 4: # Elevation
outname = name + '_elevation'
quantityname = 'elevation' #Elevation
print 'start sww2dem'
anuga.sww2dem(name+'.sww',
outname+'.asc',
quantity=quantityname,
cellsize=100,
easting_min=project.eastingmin,
easting_max=project.eastingmax,
northing_min=project.northingmin,
northing_max=project.northingmax,
reduction=max,
verbose=True)
if which_var == 1: # Absolute Momentum
outname = name + '_momentum'
quantityname = '(xmomentum**2 + ymomentum**2)**0.5' #Absolute momentum
if which_var == 2: # Depth
outname = name + '_depth'
quantityname = 'stage-elevation' #Depth
if which_var == 3: # Speed
outname = name + '_speed'
quantityname = '(xmomentum**2 + ymomentum**2)**0.5/(stage-elevation+1.e-3)' #Speed
if which_var == 4: # Elevation
outname = name + '_elevation'
quantityname = 'elevation' #Elevation
print 'start sww2dem'
anuga.sww2dem(
name + '.sww',
outname + '.asc',
quantity=quantityname,
cellsize=100,
#easting_min=project.eastingmin,
#easting_max=project.eastingmax,
#northing_min=project.northingmin,
#northing_max=project.northingmax,
reduction=max,
verbose=True)
outname = name + '_depth'
quantityname = 'stage-elevation' #Depth
if which_var == 3: # Speed
outname = name + '_speed'
quantityname = '(xmomentum**2 + ymomentum**2)**0.5/(stage-elevation+1.e-30)' #Speed
if which_var == 4: # Elevation
outname = name + '_elevation'
quantityname = 'elevation' #Elevation
# Save every 20 secs
for t in domain.evolve(yieldstep=20, finaltime=tend):
print domain.timestepping_statistics()
anuga.sww2dem(project_minecraft.outpath + 'anuga_output_minecraft.sww',
outname + '.asc',
quantity=quantityname,
cellsize=0.5,
easting_min=627724,
easting_max=627893,
northing_min=5804634,
northing_max=5804828,
reduction=max,
verbose=False)
#print domain.boundary_statistics(tags='east')
# Save every 30 secs as wave starts inundating ashore
#for t in domain.evolve(yieldstep=100, finaltime=10000,
# skip_initial_step=True):
# print domain.timestepping_statistics()
# print domain.boundary_statistics(tags='east')
print '.That took %.2f seconds' % (time.time() - t0)
def run_chennai(sim_id):
project_root = os.path.abspath(os.path.dirname(__file__))
if not os.path.exists(project_root):
os.makedirs(project_root)
print "project_root = " + project_root
inputs_dir = '%s/inputs/' % project_root
if not os.path.exists(inputs_dir):
os.makedirs(inputs_dir)
print "inputs_dir = " + inputs_dir
working_dir = '%s/working/%s/' % (project_root, sim_id)
if not os.path.exists(working_dir):
os.makedirs(working_dir)
print "working_dir = " + working_dir
outputs_dir = '%s/outputs/%s' % (project_root, sim_id)
if not os.path.exists(outputs_dir):
os.makedirs(outputs_dir)
print "outputs_dir = " + outputs_dir
# get data
print "downloading data..."
urllib.urlretrieve(
'http://chennaifloodmanagement.org/uploaded/layers/utm44_1arc_v3.tif',
inputs_dir + 'utm44_1arc_v3.tif'
)
print os.listdir(inputs_dir)
# configure logging TODO: get this working!
log_location = project_root + '/' + sim_id + '.log'
open(log_location, 'a').close()
log.console_logging_level = log.INFO
log.log_logging_level = log.DEBUG
log.log_filename = log_location
print "# log.log_filename is: " + log.log_filename
print "# log_location is: " + log_location
log.debug('A message at DEBUG level')
log.info('Another message, INFO level')
print "# starting"
bounding_polygon_01 = [
[303382.14647903712, 1488780.8996663219],
[351451.89152459265, 1499834.3704521982],
[378957.03975921532, 1493150.8764886451],
[422656.80798244767, 1504204.3472745214],
[433196.16384805075, 1471300.9923770288],
[421885.63560203766, 1413463.0638462803],
[408261.59021479468, 1372590.9276845511],
[371245.31595511554, 1427344.16669366],
[316492.0769460068, 1417833.0406686035],
[303382.14647903712, 1488780.8996663219]
]
boundary_tags_01 = {
'inland': [0, 1, 2, 6, 7, 8],
'ocean': [3, 4, 5]
}
print "# Create domain:"
print "# mesh_filename = " + working_dir + 'mesh_01.msh'
domain = anuga.create_domain_from_regions(bounding_polygon=bounding_polygon_01,
boundary_tags=boundary_tags_01,
mesh_filename=working_dir + 'mesh_01.msh',
maximum_triangle_area=100000,
verbose=True)
domain.set_name(sim_id)
domain.set_datadir(outputs_dir)
poly_fun_pairs = [
[
'Extent',
inputs_dir + 'utm44_1arc_v3.tif'
]
]
print "# create topography_function"
print "input raster = " + inputs_dir + 'utm44_1arc_v3.tif'
topography_function = qs.composite_quantity_setting_function(
poly_fun_pairs,
domain,
nan_treatment='exception',
)
print topography_function
print "# set_quantity elevation"
domain.set_quantity('elevation', topography_function) # Use function for elevation
domain.set_quantity('friction', 0.03) # Constant friction
domain.set_quantity('stage', 1) # Constant initial stage
print "# all quantities set"
print "# Setup boundary conditions"
Br = anuga.Reflective_boundary(domain) # Solid reflective wall
Bt = anuga.Transmissive_boundary(domain) # Continue all values on boundary
Bd = anuga.Dirichlet_boundary([-20, 0., 0.]) # Constant boundary values
Bi = anuga.Dirichlet_boundary([10.0, 0, 0]) # Inflow
Bw = anuga.Time_boundary(
domain=domain, # Time dependent boundary
function=lambda t: [(10 * sin(t * 2 * pi) - 0.3) * exp(-t), 0.0, 0.0]
)
print "# Associate boundary tags with boundary objects"
domain.set_boundary({'inland': Br, 'ocean': Bd})
print domain.get_boundary_tags()
catchmentrainfall = Rainfall(
domain=domain,
rate=0.2
)
# # Note need path to File in String.
# # Else assumed in same directory
domain.forcing_terms.append(catchmentrainfall)
print "# Evolve system through time"
counter_timestep = 0
for t in domain.evolve(yieldstep=300, finaltime=6000):
counter_timestep += 1
print counter_timestep
print domain.timestepping_statistics()
asc_out_momentum = outputs_dir + '/' + sim_id + '_momentum.asc'
asc_out_depth = outputs_dir + '/' + sim_id + '_depth.asc'
anuga.sww2dem(outputs_dir + '/' + sim_id + '.sww',
asc_out_momentum,
quantity='momentum',
number_of_decimal_places=3,
cellsize=30,
reduction=max,
verbose=True)
anuga.sww2dem(outputs_dir + '/' + sim_id + '.sww',
asc_out_depth,
quantity='depth',
number_of_decimal_places=3,
cellsize=30,
reduction=max,
verbose=True)
outputs =[asc_out_depth, asc_out_momentum]
for output in outputs:
print "# Convert ASCII grid to GeoTiff so geonode can import it"
src_ds = gdal.Open(output)
dst_filename = (output[:-3] + 'tif')
print "# Create gtif instance"
driver = gdal.GetDriverByName("GTiff")
print "# Output to geotiff"
dst_ds = driver.CreateCopy(dst_filename, src_ds, 0)
print "# Properly close the datasets to flush the disk"
dst_filename = None
src_ds = None
print "Done. Nice work."
def main():
try:
try:
usage = "usage: jezero.py -1*initialstage-in-m \n Note that -2260 flows but barely does anything. So range for jezero is ~2260 to 2200. \n"
parser = optparse.OptionParser(usage=usage)
(options, inargs) = parser.parse_args()
if not inargs: parser.error("need parameters")
jezerostage = -1.0 * float(inargs[0])
# Before doing anything else, set gravity to Mars
anuga.g = gravity
#domain parameters
poly_highres = anuga.read_polygon('JezeroData/PolyHi.csv')
poly_bound = anuga.read_polygon(
'JezeroData/PolyBoundBiggerPts.csv')
base_scale = 25600 #160 m #HIRES REGION
lowres = 10000 * base_scale # 10 km
boundary_tags = {'exterior': [0]}
# Define list of interior regions with associated resolutions
interior_regions = [[poly_highres, base_scale]]
meshname = 'JezeroData/jezero.msh'
mesh = anuga.create_mesh_from_regions(
poly_bound,
boundary_tags=boundary_tags,
maximum_triangle_area=lowres,
interior_regions=interior_regions,
verbose=True,
filename=meshname,
fail_if_polygons_outside=False)
evolved_quantities = [
'stage', 'xmomentum', 'ymomentum', 'concentration', 'sedvolx',
'sedvoly'
]
domain = anuga.Domain(meshname,
use_cache=False,
evolved_quantities=evolved_quantities)
domain.g = anuga.g # make sure the domain inherits the package's gravity.
domain.set_quantity("elevation",
filename="JezeroData/jbigger.pts",
use_cache=False,
verbose=True)
domain.smooth = True
name = "jezero" + str(jezerostage) + "_" + str(
grainD * 1000.0) + "mm"
domain.set_name(name)
# Choose between DE0 (less accurate), DE1 (more accurate, slower), DE2 (even more accurate, slower still)
domain.set_flow_algorithm('DE0')
domain.set_CFL(cfl=1.0)
domain.set_minimum_allowed_height(
0.01
) #raise the default minimum depth from 1 mm to 1 cm to speed the simulation (for computation)
domain.set_minimum_storable_height(
0.01
) #raise the default minimum depth from 1 mm to 1 cm to speed the simulation (for storage/visualization)
domain.set_maximum_allowed_speed(
1.0
) #maximum particle speed that is allowed in water shallower than minimum_allowed_height (back of the envelope suggests 1m/s should be below tau_crit)
np.seterr(invalid='ignore')
voltotal = np.sum(domain.quantities['elevation'].centroid_values *
domain.areas)
domain.set_quantity('concentration', 0.00) # Start with no esd
domain.set_quantity(
'friction', constantn
) # Constant Manning friction. Only used to initialize domain (calculated every time step).
domain.set_quantity('stage', -10000.0)
stagepolygon = anuga.read_polygon('JezeroData/stage.csv')
domain.set_quantity('stage', jezerostage, polygon=stagepolygon)
domain.set_quantities_to_be_stored({
'stage': 2,
'xmomentum': 2,
'ymomentum': 2,
'elevation': 2
})
np.seterr(invalid='warn')
Br = anuga.Reflective_boundary(domain)
domain.set_boundary({'exterior': Br})
# fixed_inflow = anuga.Inlet_operator(domain, stagepolygon, Q=1000.0)
operatezero = suspendedtransport_operator(domain)
operateone = bedloadtransport_operator(domain)
operatetwo = friction_operator(domain)
operatethree = AoR_operator(domain)
breachpoint = [[19080.340, 1097556.781]]
initialdomain = copy.deepcopy(domain)
initial = domain.get_quantity('elevation').get_values(
interpolation_points=breachpoint, location='centroids')
print str(initial)
ystep = 300.0
ftime = 86400.0 * 5.0
polyline = [[40000, 1090000], [15000, 1120000]]
count = 0
for t in domain.evolve(yieldstep=ystep, finaltime=ftime):
print domain.timestepping_statistics()
print 'xmom:' + str(
domain.get_quantity('xmomentum').get_values(
interpolation_points=breachpoint,
location='centroids'))
breacherosion = domain.get_quantity('elevation').get_values(
interpolation_points=breachpoint,
location='centroids') - initial
print 'erosion: ' + str(breacherosion)
volcurr = np.sum(
domain.quantities['elevation'].centroid_values *
domain.areas)
volsed = np.sum(
domain.quantities['concentration'].centroid_values *
domain.quantities['height'].centroid_values * domain.areas)
conservation = (volcurr + volsed - voltotal) / voltotal
print 'conservation: ' + '{:.8%}'.format(conservation)
count = count + 1
time, Q = anuga.get_flow_through_cross_section(
name + '.sww', polyline)
print Q
initname = "initial_" + name + ".asc"
finname = "final_" + name + ".asc"
fluxname = "flux_" + name + ".txt"
np.savetxt(fluxname, Q)
anuga.sww2dem(name + '.sww', initname, reduction=0)
anuga.sww2dem(name + '.sww', finname, reduction=(count - 1))
finalstats(domain, initialdomain)
np.save('XconcC.npy',
domain.quantities['concentration'].centroid_values)
np.save('XelevC.npy',
domain.quantities['elevation'].centroid_values)
np.save('XxmC.npy', domain.quantities['xmomentum'].centroid_values)
np.save('XymC.npy', domain.quantities['ymomentum'].centroid_values)
np.save('XstageC.npy', domain.quantities['stage'].centroid_values)
np.save('XconcV.npy',
domain.quantities['concentration'].vertex_values)
np.save('XelevV.npy', domain.quantities['elevation'].vertex_values)
np.save('XxmV.npy', domain.quantities['xmomentum'].vertex_values)
np.save('XymV.npy', domain.quantities['ymomentum'].vertex_values)
np.save('XstageV.npy', domain.quantities['stage'].vertex_values)
except optparse.OptionError, msg:
raise Usage(msg)
except Usage, err:
print >> sys.stderr, err.msg
# print >>sys.stderr, "for help use --help"
return 2