def plot_fgmax_transects():
# === Transect on x-axis:
fg = fgmax_tools.FGmaxGrid()
fg.read_fgmax_grids_data(fgno=3)
fg.read_output()
plt.figure(3)
plt.clf()
surface = ma.masked_where(fg.h < dry_tolerance, fg.B + fg.h)
sea_level = 0.
surface_original = ma.masked_where(fg.B > 0,
sea_level * numpy.ones(fg.B.shape))
# distance along transect:
xi = numpy.sqrt((fg.X - fg.X[0])**2 + (fg.Y - fg.Y[0])**2)
plt.plot(xi, fg.B, 'g') # topography
plt.plot(xi, surface_original, 'k')
plt.plot(xi, surface, 'b', label="along x-axis")
# === Transect on diagonal:
fg = fgmax_tools.FGmaxGrid()
fg.read_fgmax_grids_data(fgno=4)
fg.read_output()
surface = ma.masked_where(fg.h < dry_tolerance, fg.B + fg.h)
xi = numpy.sqrt((fg.X - fg.X[0])**2 + (fg.Y - fg.Y[0])**2)
plt.plot(xi, surface, 'r', label="along diagonal")
plt.legend(loc="lower right")
plt.title("Max elevation along transects vs distance")
# === Along shoreline:
fg = fgmax_tools.FGmaxGrid()
fg.read_fgmax_grids_data(fgno=5)
fg.read_output()
plt.figure(5)
theta = numpy.arctan(fg.Y / fg.X)
plt.plot(theta, fg.h, 'b')
plt.xlim(-numpy.pi / 4, numpy.pi / 2)
plt.ylim(1.7, 2.3)
plt.grid(True)
plt.title("Max elevation along shore (radius 90 m) vs angle\n" \
+ "only captured on Level 4 grids")
plt.xticks([0, numpy.pi / 4.], ['0', 'pi/4'])
plt.xlabel('theta')
plt.ylabel('meters')
def plot_fgmax_grid(fname, fgno, xl, xu, yl, yu):
"""Plots the fg_max data using clawpack and creates a figure in the _plots directory"""
xlower = xl
xupper = xu
ylower = yl
yupper = yu
fg = fgmax_tools.FGmaxGrid()
fg.read_fgmax_grids_data(3)
fg.read_output(fgno=fgno)
clines_zeta = [0.01] + list(np.linspace(0.25, 6, 24))
colors = geoplot.discrete_cmap_1(clines_zeta)
zeta = np.where(fg.B > 0, fg.h, fg.h + fg.B) # surface elevation in ocean
fig, ax = gearth_fig(llcrnrlon=xlower,
llcrnrlat=ylower,
urcrnrlon=xupper,
urcrnrlat=yupper,
pixels=1024)
ax.contourf(fg.X, fg.Y, zeta, clines_zeta, colors=colors, alpha=.90)
ax.contour(fg.X, fg.Y, fg.B, [0.], colors='k') # coastline
# fix axes:
ax.ticklabel_format(style='plain', useOffset=False)
plt.xticks(rotation=20)
plt.gca().set_aspect(1. / np.cos(fg.Y.mean() * np.pi / 180.))
plt.title("Maximum amplitude")
cs = ax.contourf(fg.X, fg.Y, zeta, clines_zeta, colors=colors)
return (cs)
def plot_fgmax_grid():
fg = fgmax_tools.FGmaxGrid()
fg.read_fgmax_grids_data(fgno=1)
fg.read_output()
clines_zeta = [0.01] + list(numpy.linspace(0.05, 0.3,
6)) + [0.5, 1.0, 10.0]
colors = geoplot.discrete_cmap_1(clines_zeta)
plt.figure(1)
plt.clf()
zeta = numpy.where(fg.B > 0, fg.h,
fg.h + fg.B) # surface elevation in ocean
plt.contourf(fg.X, fg.Y, zeta, clines_zeta, colors=colors)
plt.colorbar()
plt.contour(fg.X, fg.Y, fg.B, [0.], colors='k') # coastline
# plot arrival time contours and label:
arrival_t = fg.arrival_time / 3600. # arrival time in hours
clines_t = numpy.linspace(0, 8, 17) # hours
clines_t_label = clines_t[2::2] # which ones to label
clines_t_colors = ([.5, .5, .5], )
con_t = plt.contour(fg.X,
fg.Y,
arrival_t,
clines_t,
colors=clines_t_colors)
plt.clabel(con_t, clines_t_label)
# fix axes:
plt.ticklabel_format(style='plain', useOffset=False)
plt.xticks(rotation=20)
plt.gca().set_aspect(1. / numpy.cos(fg.Y.mean() * numpy.pi / 180.))
plt.title("Maximum amplitude / arrival times")
def check_fgmax(self, save=False):
r"""Basic test to assert fgmax equality
Currently just records sum of fg.h and of fg.s.
:Input:
- *save* (bool) - If *True* will save the output from this test to
the file *regresion_data.txt*. Default is *False*.
"""
from clawpack.geoclaw import fgmax_tools
fg = fgmax_tools.FGmaxGrid()
fname = os.path.join(self.temp_path, 'fgmax1.txt')
fg.read_input_data(fname)
fg.read_output(outdir=self.temp_path)
data_sum = numpy.array([fg.h.sum(), fg.s.sum()])
# Get (and save) regression comparison data
regression_data_file = os.path.join(self.test_path, "regression_data",
"regression_data_fgmax.txt")
if save:
numpy.savetxt(regression_data_file, data_sum)
regression_sum = numpy.loadtxt(regression_data_file)
# Compare data
tolerance = 1e-14
assert numpy.allclose(data_sum, regression_sum, tolerance), \
"\n data: %s, \n expected: %s" % (data_sum, regression_sum)
def plot_fgmax_grid(fgno):
fg = fgmax_tools.FGmaxGrid()
fname = 'fgmax_grid%s.txt' % fgno
fg.read_input_data(fname)
fg.read_output(fgno)
clines_zeta = [0.01] + list(numpy.linspace(.3, 2.1, 7))
colors = geoplot.discrete_cmap_1(clines_zeta)
plt.figure(fgno)
plt.clf()
# set zeta = max depth on shore, max surface elevation offshore:
zeta = numpy.where(fg.B > 0, fg.h, fg.h + fg.B)
plt.contourf(fg.X, fg.Y, zeta, clines_zeta, colors=colors, extend='max')
plt.colorbar(extend='max')
#plt.contour(fg.X,fg.Y,fg.B,[0.],colors='k') # coastline
# plot original coastline extending beyond fgmax region:
theta = numpy.linspace(-numpy.pi / 8., 3 / 8. * numpy.pi, 1000)
plt.plot(90 * numpy.cos(theta), 90 * numpy.sin(theta), 'k')
# fix axes:
plt.ticklabel_format(format='plain', useOffset=False)
plt.xticks(rotation=20)
plt.gca().set_aspect(1. / numpy.cos(fg.Y.mean() * numpy.pi / 180.))
plt.title("Zeta = max depth or surface elevation")
plt.axis('scaled')
if fgno == 1:
plt.axis([85, 95, -5, 5])
else:
plt.axis([59, 69, 59, 69])
def make_fgmax_grid():
fg = fgmax_tools.FGmaxGrid()
fg.point_style = 2 # will specify a 2d grid of points
fg.x1 = 32.
fg.x2 = 42.
fg.y1 = -6.
fg.y2 = 3.
fg.dx = 0.025
fg.tstart_max = 25. # when to start monitoring max values
fg.tend_max = 1.e10 # when to stop monitoring max values
fg.dt_check = 0.05 # target time (sec) increment between updating
# max values
fg.min_level_check = 4 # which levels to monitor max on
fg.arrival_tol = 1.e-2 # tolerance for flagging arrival
fg.input_file_name = 'fgmax_grid.txt'
fg.write_input_data()
def make_fgmax_grid():
fg = fgmax_tools.FGmaxGrid()
fg.point_style = 2 # will specify a 2d grid of points
fg.x1 = 204.91
fg.x2 = 204.95
fg.y1 = 19.72
fg.y2 = 19.75
fg.dx = 1./3600. # 1 arcsecond
fg.tstart_max = 1.5*3600. # when to start monitoring max values
fg.tend_max = 1.e10 # when to stop monitoring max values
fg.dt_check = 10. # target time (sec) increment between updating
# max values
fg.min_level_check = 2 # which levels to monitor max on
fg.arrival_tol = 1.e-2 # tolerance for flagging arrival
fg.input_file_name = 'fgmax_grid.txt'
fg.write_input_data()
def make_fgmax_grid1(datadir):
fg = fgmax_tools.FGmaxGrid()
fg.point_style = 2 # will specify a 2d grid of points
fg.x1 = -2.
fg.x2 = 2.
fg.y1 = -2.
fg.y2 = 2.
fg.dx = 0.1
fg.tstart_max = 0. # when to start monitoring max values
fg.tend_max = 1.e10 # when to stop monitoring max values
fg.dt_check = 0.1 # target time (sec) increment between updating
# max values
fg.min_level_check = 2 # which levels to monitor max on
fg.arrival_tol = 1.e-2 # tolerance for flagging arrival
fg.input_file_name = os.path.join(datadir, 'fgmax1.txt')
fg.write_input_data()
def make_fgmax_grid1():
fg = fgmax_tools.FGmaxGrid()
fg.point_style = 2 # will specify a 2d grid of points
fg.x1 = 203.515
fg.x2 = 203.545
fg.y1 = 20.885
fg.y2 = 20.905
fg.dx = 1. / (3600.) # 1 arcssecond grid
fg.tstart_max = 7.9 * 3600. # when to start monitoring max values
fg.tend_max = 1.e10 # when to stop monitoring max values
fg.dt_check = 30. # target time (sec) increment between updating
# max values
fg.min_level_check = 6 # which levels to monitor max on
fg.arrival_tol = 1.e-2 # tolerance for flagging arrival
fg.input_file_name = 'fgmax1.txt'
fg.write_input_data()
def make_fgmax_grid():
fg = fgmax_tools.FGmaxGrid()
fg.point_style = 2 # will specify a 2d grid of points
fg.x1 = -123.48 # west
fg.x2 = -123.34 #east
fg.y1 = 48.103 # south
fg.y2 = 48.146 #north
fg.dx = 0.000700 #resolution in degrees
fg.tstart_max = 0 # when to start monitoring max values
fg.tend_max = 1.e10 # when to stop monitoring max values
fg.dt_check = 0 # target time (sec) increment between updating
# max values
fg.min_level_check = 4 # which levels to monitor max on
fg.arrival_tol = 1.e-2 # tolerance for flagging arrival
fg.input_file_name = 'InundationMap.txt' #White House
fg.write_input_data()
def plot_fgmax_grid():
fg = fgmax_tools.FGmaxGrid()
fg.read_input_data('fgmax_grid1.txt')
fg.read_output()
#clines_zeta = [0.01] + list(numpy.linspace(0.05,0.3,6)) + [0.5,1.0,10.0]
clines_zeta = [0.001] + list(numpy.linspace(0.05, 0.25, 10))
colors = geoplot.discrete_cmap_1(clines_zeta)
plt.figure(1)
plt.clf()
zeta = numpy.where(fg.B > 0, fg.h,
fg.h + fg.B) # surface elevation in ocean
plt.contourf(fg.X, fg.Y, zeta, clines_zeta, colors=colors)
plt.colorbar()
plt.contour(fg.X, fg.Y, fg.B, [0.], colors='k') # coastline
# draw better land
import clawpack.geoclaw.topotools as tt
topo = tt.Topography(path='../bathy/atlantic_2min.tt3')
shore = topo.make_shoreline_xy()
plt.plot(shore[:, 0], shore[:, 1], 'k', linewidth=10)
# plot arrival time contours and label:
arrival_t = fg.arrival_time / 3600. # arrival time in hours
#clines_t = numpy.linspace(0,8,17) # hours
clines_t = numpy.linspace(0, 2, 5) # hours
#clines_t_label = clines_t[::2] # which ones to label
clines_t_label = clines_t[::1] # which ones to label
clines_t_colors = ([.5, .5, .5], )
con_t = plt.contour(fg.X,
fg.Y,
arrival_t,
clines_t,
colors=clines_t_colors)
plt.clabel(con_t, clines_t_label)
# fix axes:
plt.ticklabel_format(format='plain', useOffset=False)
plt.xticks(rotation=20)
plt.gca().set_aspect(1. / numpy.cos(fg.Y.mean() * numpy.pi / 180.))
plt.title("Maximum amplitude / arrival times (hrs)")
times.append(t)
times.sort()
print('Output times found: ', times)
if len(times) > 0:
t_hours = times[-1] / 3600.
print(
'\nfgmax results are presumably from final time: %.1f seconds = %.2f hours'
% (times[-1], t_hours))
else:
t_hours = nan
# In[8]:
# Read fgmax data:
fgno = 1
fg = fgmax_tools.FGmaxGrid()
fg.read_fgmax_grids_data(fgno)
fg.read_output(outdir=outdir)
# In[9]:
zmin = -60.
zmax = 20.
land_cmap = colormaps.make_colormap({
0.0: [0.1, 0.4, 0.0],
0.25: [0.0, 1.0, 0.0],
0.5: [0.8, 1.0, 0.5],
1.0: [0.8, 0.5, 0.2]
})
def setgeo(rundata):
#-------------------
"""
Set GeoClaw specific runtime parameters.
For documentation see ....
"""
try:
geo_data = rundata.geo_data
except:
print("*** Error, this rundata has no geo_data attribute")
raise AttributeError("Missing geo_data attribute")
# == Physics ==
geo_data.gravity = 9.81
geo_data.coordinate_system = 1
geo_data.earth_radius = 6367.5e3
# == Forcing Options
geo_data.coriolis_forcing = False
# == Algorithm and Initial Conditions ==
geo_data.sea_level = 0.0
geo_data.dry_tolerance = 1.e-3
geo_data.friction_forcing = True
geo_data.manning_coefficient = 0.025
geo_data.friction_depth = 20.0
# Refinement data
refinement_data = rundata.refinement_data
refinement_data.wave_tolerance = 1.e-2
refinement_data.deep_depth = 1e2
refinement_data.max_level_deep = 3
refinement_data.variable_dt_refinement_ratios = True
# == settopo.data values ==
topo_data = rundata.topo_data
# for topography, append lines of the form
# [topotype, minlevel, maxlevel, t1, t2, fname]
topo_data.topofiles.append([2, 1, 1, 0., 1.e10, 'bowl.topotype2'])
# == setdtopo.data values ==
dtopo_data = rundata.dtopo_data
# for moving topography, append lines of the form : (<= 1 allowed for now!)
# [topotype, minlevel,maxlevel,fname]
# == setqinit.data values ==
rundata.qinit_data.qinit_type = 4
rundata.qinit_data.qinitfiles = []
# for qinit perturbations, append lines of the form: (<= 1 allowed for now!)
# [minlev, maxlev, fname]
rundata.qinit_data.qinitfiles.append([1, 2, 'hump.xyz'])
# == fgmax_grids.data values ==
# NEW STYLE STARTING IN v5.7.0
# set num_fgmax_val = 1 to save only max depth,
# 2 to also save max speed,
# 5 to also save max hs,hss,hmin
rundata.fgmax_data.num_fgmax_val = 1 # Save depth
fgmax_grids = rundata.fgmax_data.fgmax_grids # empty list to start
# Now append to this list objects of class fgmax_tools.FGmaxGrid
# specifying any fgmax grids.
# For illustration, set up several fgmax grids of different types:
# Default values (might be changed below)
tstart_max = 4. # when to start monitoring max values
tend_max = 1.e10 # when to stop monitoring max values
dt_check = 0.1 # target time (sec) increment between updating
# max values
min_level_check = 4 # which levels to monitor max on
arrival_tol = 1.e-2 # tolerance for flagging arrival
interp_method = 0 # pw constant in FV cell, not interpolated
# ========================
# Lat-Long grid on x-axis:
fg = fgmax_tools.FGmaxGrid()
fg.point_style = 2 # will specify a 2d grid of points
fg.nx = 100
fg.ny = 80
fg.x1 = 88.
fg.y1 = -2.
fg.x2 = 93.
fg.y2 = 2.
fg.tstart_max = tstart_max
fg.tend_max = tend_max
fg.dt_check = dt_check
fg.min_level_check = min_level_check
fg.arrival_tol = arrival_tol
fg.interp_method = interp_method
fgmax_grids.append(fg) # written to fgmax_grids.data
# ===============================
# Quadrilateral grid on diagonal:
fg = fgmax_tools.FGmaxGrid()
fg.point_style = 3 # will specify a 2d grid of points
fg.n12 = 100
fg.n23 = 80
# rotate grid1 from above by pi/4 to place on diagonal:
x1 = 88.
y1 = -2.
x2 = 93.
y2 = -2.
x3 = 93.
y3 = 2.
x4 = 88.
y4 = 2.
c = numpy.cos(numpy.pi / 4.)
s = numpy.sin(numpy.pi / 4.)
fg.x1 = c * x1 - s * y1
fg.y1 = s * x1 + c * y1
fg.x2 = c * x2 - s * y2
fg.y2 = s * x2 + c * y2
fg.x3 = c * x3 - s * y3
fg.y3 = s * x3 + c * y3
fg.x4 = c * x4 - s * y4
fg.y4 = s * x4 + c * y4
fg.tstart_max = tstart_max
fg.tend_max = tend_max
fg.dt_check = dt_check
fg.min_level_check = min_level_check
fg.arrival_tol = arrival_tol
fg.interp_method = interp_method
fgmax_grids.append(fg) # written to fgmax_grids.data
# ===============================
# Transect on x-axis:
fg = fgmax_tools.FGmaxGrid()
fg.point_style = 1 # will specify a 1d grid of points
fg.npts = 100
fg.x1 = 85.
fg.y1 = 0.
fg.x2 = 93.
fg.y2 = 0.
fg.tstart_max = tstart_max
fg.tend_max = tend_max
fg.dt_check = dt_check
fg.min_level_check = min_level_check
fg.arrival_tol = arrival_tol
fg.interp_method = interp_method
fgmax_grids.append(fg) # written to fgmax_grids.data
# ===============================
# Transect on diagonal:
fg = fgmax_tools.FGmaxGrid()
fg.point_style = 1 # will specify a 1d grid of points
fg.npts = 100
fg.x1 = 60.
fg.y1 = 60.
fg.x2 = 66.
fg.y2 = 66.
fg.tstart_max = tstart_max
fg.tend_max = tend_max
fg.dt_check = dt_check
fg.min_level_check = min_level_check
fg.arrival_tol = arrival_tol
fg.interp_method = interp_method
fgmax_grids.append(fg) # written to fgmax_grids.data
# ===============================
# Points along shoreline:
# Around circle in first quadrant at 90 meters from center
fg = fgmax_tools.FGmaxGrid()
fg.point_style = 0 # will specify a list of points
fg.npts = 500
from numpy import pi
theta = numpy.linspace(-pi / 8., 3 * pi / 8, fg.npts)
fg.X = 90. * numpy.cos(theta)
fg.Y = 90. * numpy.sin(theta)
fg.tstart_max = tstart_max
fg.tend_max = tend_max
fg.dt_check = dt_check
fg.min_level_check = min_level_check
fg.arrival_tol = arrival_tol
fg.interp_method = interp_method
fgmax_grids.append(fg) # written to fgmax_grids.data
return rundata
def setplot(plotdata=None):
""""""
if plotdata is None:
from clawpack.visclaw.data import ClawPlotData
plotdata = ClawPlotData()
# clear any old figures,axes,items data
plotdata.clearfigures()
plotdata.format = 'binary'
# Load data from output
clawdata = clawutil.ClawInputData(2)
clawdata.read(os.path.join(plotdata.outdir, 'claw.data'))
physics = geodata.GeoClawData()
physics.read(os.path.join(plotdata.outdir, 'geoclaw.data'))
surge_data = geodata.SurgeData()
surge_data.read(os.path.join(plotdata.outdir, 'surge.data'))
friction_data = geodata.FrictionData()
friction_data.read(os.path.join(plotdata.outdir, 'friction.data'))
# Load storm track
track = surgeplot.track_data(os.path.join(plotdata.outdir, 'fort.track'))
# Set afteraxes function
def surge_afteraxes(cd):
surgeplot.surge_afteraxes(cd,
track,
plot_direction=False,
kwargs={"markersize": 4})
# Color limits
surface_range = 5.0
eta = physics.sea_level
if not isinstance(eta, list):
eta = [eta]
surface_limits = [eta[0] - surface_range, eta[0] + surface_range]
speed_limits = [0.0, 3.0]
wind_limits = [0, 64]
pressure_limits = [935, 1013]
friction_bounds = [0.01, 0.04]
def friction_after_axes(cd):
plt.title(r"Manning's $n$ Coefficient")
# ==========================================================================
# Plot specifications
# ==========================================================================
regions = {
"Entire Region": {
"xlimits": (clawdata.lower[0], clawdata.upper[0]),
"ylimits": (clawdata.lower[1], clawdata.upper[1]),
"figsize": (13, 10)
},
"Caribbean Sub-region": {
"xlimits": (-86, -58.0),
"ylimits": (9, 28),
"figsize": (16, 6)
},
}
for (name, region_dict) in regions.items():
# Surface Figure
plotfigure = plotdata.new_plotfigure(name="Surface - %s" % name)
plotfigure.kwargs = {"figsize": region_dict['figsize']}
plotaxes = plotfigure.new_plotaxes()
plotaxes.title = "Surface"
plotaxes.xlimits = region_dict["xlimits"]
plotaxes.ylimits = region_dict["ylimits"]
plotaxes.afteraxes = surge_afteraxes
surgeplot.add_surface_elevation(plotaxes, bounds=surface_limits)
surgeplot.add_land(plotaxes)
plotaxes.plotitem_dict['surface'].amr_patchedges_show = [0] * 10
plotaxes.plotitem_dict['land'].amr_patchedges_show = [0] * 10
# Speed Figure
plotfigure = plotdata.new_plotfigure(name="Currents - %s" % name)
plotfigure.kwargs = {"figsize": region_dict['figsize']}
plotaxes = plotfigure.new_plotaxes()
plotaxes.title = "Currents"
plotaxes.xlimits = region_dict["xlimits"]
plotaxes.ylimits = region_dict["ylimits"]
plotaxes.afteraxes = surge_afteraxes
surgeplot.add_speed(plotaxes, bounds=speed_limits)
surgeplot.add_land(plotaxes)
plotaxes.plotitem_dict['speed'].amr_patchedges_show = [0] * 10
plotaxes.plotitem_dict['land'].amr_patchedges_show = [0] * 10
#
# Friction field
#
plotfigure = plotdata.new_plotfigure(name='Friction')
plotfigure.show = friction_data.variable_friction and False
plotaxes = plotfigure.new_plotaxes()
plotaxes.xlimits = regions['Entire Region']['xlimits']
plotaxes.ylimits = regions['Entire Region']['ylimits']
# plotaxes.title = "Manning's N Coefficient"
plotaxes.afteraxes = friction_after_axes
plotaxes.scaled = True
surgeplot.add_friction(plotaxes, bounds=friction_bounds, shrink=0.9)
plotaxes.plotitem_dict['friction'].amr_patchedges_show = [0] * 10
plotaxes.plotitem_dict['friction'].colorbar_label = "$n$"
#
# Hurricane Forcing fields
#
# Pressure field
plotfigure = plotdata.new_plotfigure(name='Pressure')
plotfigure.show = surge_data.pressure_forcing and False
plotaxes = plotfigure.new_plotaxes()
plotaxes.xlimits = regions['Entire Region']['xlimits']
plotaxes.ylimits = regions['Entire Region']['ylimits']
plotaxes.title = "Pressure Field"
plotaxes.afteraxes = surge_afteraxes
plotaxes.scaled = True
surgeplot.add_pressure(plotaxes, bounds=pressure_limits)
surgeplot.add_land(plotaxes)
# Wind field
plotfigure = plotdata.new_plotfigure(name='Wind Speed')
plotfigure.show = surge_data.wind_forcing and False
plotaxes = plotfigure.new_plotaxes()
plotaxes.xlimits = regions['Entire Region']['xlimits']
plotaxes.ylimits = regions['Entire Region']['ylimits']
plotaxes.title = "Wind Field"
plotaxes.afteraxes = surge_afteraxes
plotaxes.scaled = True
surgeplot.add_wind(plotaxes, bounds=wind_limits)
surgeplot.add_land(plotaxes)
# ========================================================================
# Figures for gauges
# ========================================================================
plotfigure = plotdata.new_plotfigure(name='Gauge Surfaces',
figno=300,
type='each_gauge')
plotfigure.show = True
plotfigure.clf_each_gauge = True
# Set up for axes in this figure:
plotaxes = plotfigure.new_plotaxes()
plotaxes.xlimits = [-2, 1]
# plotaxes.xlabel = "Days from landfall"
# plotaxes.ylabel = "Surface (m)"
plotaxes.ylimits = [-1, 5]
plotaxes.title = 'Surface'
def gauge_afteraxes(cd):
axes = plt.gca()
surgeplot.plot_landfall_gauge(cd.gaugesoln, axes)
# Fix up plot - in particular fix time labels
axes.set_title('Station %s' % cd.gaugeno)
axes.set_xlabel('Days relative to landfall')
axes.set_ylabel('Surface (m)')
axes.set_xlim([-2, 1])
axes.set_ylim([-1, 5])
axes.set_xticks([-2, -1, 0, 1])
axes.set_xticklabels([r"$-2$", r"$-1$", r"$0$", r"$1$"])
axes.grid(True)
plotaxes.afteraxes = gauge_afteraxes
# Plot surface as blue curve:
plotitem = plotaxes.new_plotitem(plot_type='1d_plot')
# plotitem.plot_var = 3
# plotitem.plotstyle = 'b-'
#
# Gauge Location Plot
#
def gauge_location_afteraxes(cd):
plt.subplots_adjust(left=0.12, bottom=0.06, right=0.97, top=0.97)
surge_afteraxes(cd)
gaugetools.plot_gauge_locations(cd.plotdata,
gaugenos='all',
format_string='ko',
add_labels=True)
plotfigure = plotdata.new_plotfigure(name="Gauge Locations")
plotfigure.show = True
# Set up for axes in this figure:
plotaxes = plotfigure.new_plotaxes()
plotaxes.title = 'Gauge Locations'
plotaxes.scaled = True
plotaxes.xlimits = [clawdata.lower[0], clawdata.upper[0]]
plotaxes.ylimits = [clawdata.lower[1], clawdata.upper[1]]
plotaxes.afteraxes = gauge_location_afteraxes
surgeplot.add_surface_elevation(plotaxes, bounds=surface_limits)
surgeplot.add_land(plotaxes)
plotaxes.plotitem_dict['surface'].amr_patchedges_show = [0] * 10
plotaxes.plotitem_dict['land'].amr_patchedges_show = [0] * 10
#-----------------------------------------
# Figures for fgmax plots
#-----------------------------------------
from clawpack.geoclaw import fgmax_tools
fgmax_plotdir = '_plots'
os.system('mkdir -p %s' % fgmax_plotdir)
# Read fgmax data:
fgno = 1
while (True):
fg = fgmax_tools.FGmaxGrid()
try:
fg.read_fgmax_grids_data(fgno)
fg.read_output(outdir=plotdata.outdir)
fg.B0 = fg.B # no seafloor deformation in this problem
fg.h_onshore = np.ma.masked_where(fg.B0 < 0., fg.h)
plt.figure(figsize=(20, 20))
pc = plt.pcolormesh(fg.X, fg.Y, fg.h_onshore, cmap='hot_r')
cb = plt.colorbar(pc, extend='max', shrink=0.7)
cb.set_label('meters')
plt.contour(fg.X, fg.Y, fg.B, [0], colors='g')
plt.gca().set_aspect(1. / np.cos(48 * np.pi / 180.))
plt.ticklabel_format(useOffset=False)
plt.xticks(rotation=20)
plt.title('Maximum Onshore flow depth\nfgmax grid {fgno}')
img_name = f'fgmax{str(fgno).zfill(4)}_h_onshore.png'
plt.savefig(fname=f'{fgmax_plotdir}/{img_name}')
otherfigure = plotdata.new_otherfigure(
name=f'max depth on fgmax grid {fgno}', fname=img_name)
fgno = fgno + 1
except:
break
# -----------------------------------------
# Parameters used only when creating html and/or latex hardcopy
# e.g., via pyclaw.plotters.frametools.printframes:
plotdata.printfigs = True # print figures
plotdata.print_format = 'png' # file format
plotdata.print_framenos = 'all' # list of frames to print
plotdata.print_gaugenos = 'all' # list of gauges to print
plotdata.print_fignos = 'all' # list of figures to print
plotdata.html = True # create html files of plots?
plotdata.latex = False # create latex file of plots?
plotdata.latex_figsperline = 2 # layout of plots
plotdata.latex_framesperline = 1 # layout of plots
plotdata.latex_makepdf = False # also run pdflatex?
plotdata.parallel = True # parallel plotting
return plotdata
def setrun(claw_pkg='geoclaw'):
#------------------------------
"""
Define the parameters used for running Clawpack.
INPUT:
claw_pkg expected to be "geoclaw" for this setrun.
OUTPUT:
rundata - object of class ClawRunData
"""
from clawpack.clawutil import data
assert claw_pkg.lower() == 'geoclaw', "Expected claw_pkg = 'geoclaw'"
num_dim = 2
rundata = data.ClawRunData(claw_pkg, num_dim)
#------------------------------------------------------------------
# GeoClaw specific parameters:
#------------------------------------------------------------------
rundata = setgeo(rundata)
#------------------------------------------------------------------
# Standard Clawpack parameters to be written to claw.data:
# (or to amr2ez.data for AMR)
#------------------------------------------------------------------
clawdata = rundata.clawdata # initialized when rundata instantiated
# Set single grid parameters first.
# See below for AMR parameters.
# ---------------
# Spatial domain:
# ---------------
# Number of space dimensions:
clawdata.num_dim = num_dim
#Addons
import AddSetrun
import AddZoom
# Lower and upper edge of computational domain:
clawdata.lower[0] = AddSetrun.xmin
clawdata.upper[0] = AddSetrun.xmax
clawdata.lower[1] = AddSetrun.ymin
clawdata.upper[1] = AddSetrun.ymax
# Number of grid cells: Coarsest grid
clawdata.num_cells[0] = AddSetrun.nx
clawdata.num_cells[1] = AddSetrun.ny
# ---------------
# Size of system:
# ---------------
# Number of equations in the system:
clawdata.num_eqn = 3
# Number of auxiliary variables in the aux array (initialized in setaux)
clawdata.num_aux = 1
# Index of aux array corresponding to capacity function, if there is one:
clawdata.capa_index = 0
# -------------
# Initial time:
# -------------
clawdata.t0 = 0.0
# Restart from checkpoint file of a previous run?
# If restarting, t0 above should be from original run, and the
# restart_file 'fort.chkNNNNN' specified below should be in
# the OUTDIR indicated in Makefile.
clawdata.restart = False # True to restart from prior results
clawdata.restart_file = 'fort.chk00006' # File to use for restart data
# -------------
# Output times:
#--------------
# Specify at what times the results should be written to fort.q files.
# Note that the time integration stops after the final output time.
# The solution at initial time t0 is always written in addition.
clawdata.output_style = 1
if clawdata.output_style==1:
# Output nout frames at equally spaced times up to tfinal:
clawdata.num_output_times = AddSetrun.nsim
clawdata.tfinal = AddSetrun.tmax
clawdata.output_t0 = True # output at initial (or restart) time?
elif clawdata.output_style == 2:
# Specify a list of output times.
clawdata.output_times = [0.5, 1.0]
elif clawdata.output_style == 3:
# Output every iout timesteps with a total of ntot time steps:
clawdata.output_step_interval = 1
clawdata.total_steps = 1
clawdata.output_t0 = True
clawdata.output_format = 'ascii' # 'ascii' or 'binary'
clawdata.output_q_components = 'all' # could be list such as [True,True]
clawdata.output_aux_components = [True] # could be list
clawdata.output_aux_onlyonce = True # output aux arrays only at t0
# ---------------------------------------------------
# Verbosity of messages to screen during integration:
# ---------------------------------------------------
# The current t, dt, and cfl will be printed every time step
# at AMR levels <= verbosity. Set verbosity = 0 for no printing.
# (E.g. verbosity == 2 means print only on levels 1 and 2.)
clawdata.verbosity = 2
# --------------
# Time stepping:
# --------------
# if dt_variable==1: variable time steps used based on cfl_desired,
# if dt_variable==0: fixed time steps dt = dt_initial will always be used.
clawdata.dt_variable = True
# Initial time step for variable dt.
# If dt_variable==0 then dt=dt_initial for all steps:
clawdata.dt_initial = AddSetrun.dt_init
# Max time step to be allowed if variable dt used:
clawdata.dt_max = 1e+99
# Desired Courant number if variable dt used, and max to allow without
# retaking step with a smaller dt:
clawdata.cfl_desired = AddSetrun.cfl_desired
clawdata.cfl_max = 0.95
# Maximum number of time steps to allow between output times:
clawdata.steps_max = AddSetrun.nb_max_iter
# ------------------
# Method to be used:
# ------------------
# Order of accuracy: 1 => Godunov, 2 => Lax-Wendroff plus limiters
clawdata.order = 2
# Use dimensional splitting? (not yet available for AMR)
clawdata.dimensional_split = 'unsplit'
# For unsplit method, transverse_waves can be
# 0 or 'none' ==> donor cell (only normal solver used)
# 1 or 'increment' ==> corner transport of waves
# 2 or 'all' ==> corner transport of 2nd order corrections too
clawdata.transverse_waves = 2
# Number of waves in the Riemann solution:
clawdata.num_waves = 3
# List of limiters to use for each wave family:
# Required: len(limiter) == num_waves
# Some options:
# 0 or 'none' ==> no limiter (Lax-Wendroff)
# 1 or 'minmod' ==> minmod
# 2 or 'superbee' ==> superbee
# 3 or 'mc' ==> MC limiter
# 4 or 'vanleer' ==> van Leer
clawdata.limiter = ['mc', 'mc', 'mc']
clawdata.use_fwaves = True # True ==> use f-wave version of algorithms
# Source terms splitting:
# src_split == 0 or 'none' ==> no source term (src routine never called)
# src_split == 1 or 'godunov' ==> Godunov (1st order) splitting used,
# src_split == 2 or 'strang' ==> Strang (2nd order) splitting used, not recommended.
clawdata.source_split = 'godunov'
# --------------------
# Boundary conditions:
# --------------------
# Number of ghost cells (usually 2)
clawdata.num_ghost = 2
# Choice of BCs at xlower and xupper:
# 0 => user specified (must modify bcN.f to use this option)
# 1 => extrapolation (non-reflecting outflow)
# 2 => periodic (must specify this at both boundaries)
# 3 => solid wall for systems where q(2) is normal velocity
clawdata.bc_lower[0] = 'extrap'
clawdata.bc_upper[0] = 'extrap'
clawdata.bc_lower[1] = 'extrap'
clawdata.bc_upper[1] = 'extrap'
# Specify when checkpoint files should be created that can be
# used to restart a computation.
clawdata.checkpt_style = 0
if clawdata.checkpt_style == 0:
# Do not checkpoint at all
pass
elif np.abs(clawdata.checkpt_style) == 1:
# Checkpoint only at tfinal.
pass
elif np.abs(clawdata.checkpt_style) == 2:
# Specify a list of checkpoint times.
clawdata.checkpt_times = [0.1,0.15]
elif np.abs(clawdata.checkpt_style) == 3:
# Checkpoint every checkpt_interval timesteps (on Level 1)
# and at the final time.
clawdata.checkpt_interval = 5
# ---------------
# AMR parameters:
# ---------------
amrdata = rundata.amrdata
# max number of refinement levels:
amrdata.amr_levels_max = AddSetrun.refinement
# List of refinement ratios at each level (length at least mxnest-1)
amrdata.refinement_ratios_x = [2,4,8]
amrdata.refinement_ratios_y = [2,4,8]
amrdata.refinement_ratios_t = [2,4,8]
# Specify type of each aux variable in amrdata.auxtype.
# This must be a list of length maux, each element of which is one of:
# 'center', 'capacity', 'xleft', or 'yleft' (see documentation).
amrdata.aux_type = ['center']
# Flag using refinement routine flag2refine rather than richardson error
amrdata.flag_richardson = False # use Richardson?
amrdata.flag2refine = True
# steps to take on each level L between regriddings of level L+1:
amrdata.regrid_interval = 3
# width of buffer zone around flagged points:
# (typically the same as regrid_interval so waves don't escape):
amrdata.regrid_buffer_width = 2
# clustering alg. cutoff for (# flagged pts) / (total # of cells refined)
# (closer to 1.0 => more small grids may be needed to cover flagged cells)
amrdata.clustering_cutoff = 0.700000
# print info about each regridding up to this level:
amrdata.verbosity_regrid = 0
# ----- For developers -----
# Toggle debugging print statements:
amrdata.dprint = False # print domain flags
amrdata.eprint = False # print err est flags
amrdata.edebug = False # even more err est flags
amrdata.gprint = False # grid bisection/clustering
amrdata.nprint = False # proper nesting output
amrdata.pprint = False # proj. of tagged points
amrdata.rprint = False # print regridding summary
amrdata.sprint = False # space/memory output
amrdata.tprint = False # time step reporting each level
amrdata.uprint = False # update/upbnd reporting
# More AMR parameters can be set -- see the defaults in pyclaw/data.py
# == setregions.data values ==
regions = rundata.regiondata.regions
# to specify regions of refinement append lines of the form
# [minlevel,maxlevel,t1,t2,x1,x2,y1,y2]
#regions.append([1, 1, 0., 1.e10, 925720,927160., 6451140.,6452155.])
if AddSetrun.refinement_area == 1:
regions.append([1, 2, 0., 1.e10, AddSetrun.xmin, \
AddSetrun.xmax, AddSetrun.ymin, AddSetrun.ymax])
elif AddSetrun.refinement_area == 2:
regions.append([1, 2, 0., 1.e10, AddZoom.x_zoom_min, \
AddZoom.x_zoom_max, AddZoom.y_zoom_min, AddZoom.y_zoom_max])
#regions.append([2, 3, 3., 1.e10, 52., 72., 52., 72.])
#regions.append([2, 3, 3., 1.e10, 75., 95., -10., 10.])
#regions.append([2, 4, 3.4, 1.e10, 57., 68., 57., 68.])
#regions.append([2, 4, 3.4, 1.e10, 83., 92., -4., 4.])
# == setgauges.data values ==
# for gauges append lines of the form [gaugeno, x, y, t1, t2]
# rundata.gaugedata.add_gauge()
# gauges along x-axis:
# gaugeno = 0
# for r in np.linspace(-10, 10., 10):
# gaugeno = gaugeno+1
# x = r + .001 # shift a bit away from cell corners
# y = .001
# rundata.gaugedata.gauges.append([gaugeno, x, y, 0., 1e10])
# Points on a uniform 2d grid:
if AddZoom.zooming == True:
from clawpack.geoclaw import fgmax_tools
fg = fgmax_tools.FGmaxGrid()
fg.point_style = 2 # uniform rectangular x-y grid
fg.x1 = AddZoom.x_zoom_min
fg.x2 = AddZoom.x_zoom_max
fg.y1 = AddZoom.y_zoom_min
fg.y2 = AddZoom.y_zoom_max
fg.dx = AddZoom.dx # desired resolution of fgmax grid
fg.dy = AddZoom.dy
fg.min_level_check = amrdata.amr_levels_max # which levels to monitor max on
fg.tstart_max = AddZoom.tstart # just before wave arrives
fg.tend_max = AddZoom.tmax # when to stop monitoring max values
fg.dt_check = AddZoom.dt # how often to update max values
fg.interp_method = 0 # 0 ==> pw const in cells, recommended
rundata.fgmax_data.fgmax_grids.append(fg) # written to fgmax_grids.data
rundata.fgmax_data.num_fgmax_val = 5
return rundata
xlabel('Longitude', fontsize=15)
ylabel('meters', fontsize=15)
fname = '%s_topo' % trname
save_figure(fname)
# Transect at ylat=44.2:
plotdir = '_transects_44_2_new'
trname = 'Transect_44_2'
ylat = 44.2
xcutoff = -124.175
os.system('mkdir -p %s' % plotdir)
fg2 = fgmax_tools.FGmaxGrid()
fg2.read_input_data('fgmax_transect_2.txt')
fg2.read_output(fgno=2, outdir='_output')
frameno = 1
plot_transect(ylat, frameno, fg2, xcutoff, trname, plotdir)
frameno = 2
plot_transect(ylat, frameno, fg2, xcutoff, trname, plotdir)
frameno = 4
plot_transect(ylat, frameno, fg2, xcutoff, trname, plotdir)
plot_topo(fg2, trname, plotdir)
# Transect at ylat=44.4:
def setgeo(rundata):
#-------------------
"""
Set GeoClaw specific runtime parameters.
For documentation see ....
"""
try:
geo_data = rundata.geo_data
except:
print("*** Error, this rundata has no geo_data attribute")
raise AttributeError("Missing geo_data attribute")
# == Physics ==
geo_data.gravity = 9.81
geo_data.coordinate_system = 1
geo_data.earth_radius = 6367.5e3
# == Forcing Options
geo_data.coriolis_forcing = False
# == Algorithm and Initial Conditions ==
geo_data.sea_level = -10.0
geo_data.dry_tolerance = 1.e-3
geo_data.friction_forcing = False
geo_data.manning_coefficient = 0.0
geo_data.friction_depth = 1.e6
# Refinement data
refinement_data = rundata.refinement_data
refinement_data.wave_tolerance = 1.e-2
refinement_data.deep_depth = 1e2
refinement_data.max_level_deep = 3
refinement_data.variable_dt_refinement_ratios = True
# == settopo.data values ==
topo_data = rundata.topo_data
# for topography, append lines of the form
# [topotype, minlevel, maxlevel, t1, t2, fname]
topo_data.topofiles.append([2, 1, 10, 0., 1.e10, 'bowl.topotype2'])
# == setdtopo.data values ==
dtopo_data = rundata.dtopo_data
# for moving topography, append lines of the form : (<= 1 allowed for now!)
# [topotype, minlevel,maxlevel,fname]
# == setqinit.data values ==
rundata.qinit_data.qinit_type = 0
rundata.qinit_data.qinitfiles = []
# for qinit perturbations, append lines of the form: (<= 1 allowed for now!)
# [minlev, maxlev, fname]
# == setfixedgrids.data values ==
fixedgrids = rundata.fixed_grid_data
# for fixed grids append lines of the form
# [t1,t2,noutput,x1,x2,y1,y2,xpoints,ypoints,\
# ioutarrivaltimes,ioutsurfacemax]
# == fgmax.data values ==
rundata.fgmax_data.num_fgmax_val = 2
fgmax_grids = rundata.fgmax_data.fgmax_grids # empty list to start
# Now append to this list objects of class fgmax_tools.FGmaxGrid
# specifying any fgmax grids.
fg = fgmax_tools.FGmaxGrid()
fg.point_style = 2 # will specify a 2d grid of points
fg.x1 = -2.
fg.x2 = 2.
fg.y1 = -2.
fg.y2 = 2.
fg.dx = 0.1
fg.tstart_max = 0. # when to start monitoring max values
fg.tend_max = 1.e10 # when to stop monitoring max values
fg.dt_check = 0.1 # target time (sec) increment between updating
# max values
fg.min_level_check = 2 # which levels to monitor max on
fg.arrival_tol = 1.e-2 # tolerance for flagging arrival
fgmax_grids.append(fg) # written to fgmax_grids.data
#fgmax_files.append('fgmax1.txt') # no longer used in v5.7.0
return rundata
def setrun(claw_pkg='geoclaw'):
#------------------------------
"""
Define the parameters used for running Clawpack.
INPUT:
claw_pkg expected to be "geoclaw" for this setrun.
OUTPUT:
rundata - object of class ClawRunData
"""
from clawpack.clawutil import data
assert claw_pkg.lower() == 'geoclaw', "Expected claw_pkg = 'geoclaw'"
num_dim = 2
rundata = data.ClawRunData(claw_pkg, num_dim)
#------------------------------------------------------------------
# Problem-specific parameters to be written to setprob.data:
#------------------------------------------------------------------
theta_island = 220.
probdata = rundata.new_UserData(name='probdata', fname='setprob.data')
probdata.add_param('theta_island', theta_island, 'angle to island')
#------------------------------------------------------------------
# Standard Clawpack parameters to be written to claw.data:
#------------------------------------------------------------------
clawdata = rundata.clawdata # initialized when rundata instantiated
# Set single grid parameters first.
# See below for AMR parameters.
# ---------------
# Spatial domain:
# ---------------
# Number of space dimensions:
clawdata.num_dim = num_dim
# Lower and upper edge of computational domain:
clawdata.lower[0] = -20.0 # xlower
clawdata.upper[0] = 20.0 # xupper
clawdata.lower[1] = 20.0 # ylower
clawdata.upper[1] = 60.0 # yupper
# Number of grid cells:
clawdata.num_cells[0] = 40 # mx
clawdata.num_cells[1] = 40 # my
# ---------------
# Size of system:
# ---------------
# Number of equations in the system:
clawdata.num_eqn = 3
# Number of auxiliary variables in the aux array (initialized in setaux)
clawdata.num_aux = 3
# Index of aux array corresponding to capacity function, if there is one:
clawdata.capa_index = 2
# -------------
# Initial time:
# -------------
clawdata.t0 = 0.0
# Restart from checkpoint file of a previous run?
# Note: If restarting, you must also change the Makefile to set:
# RESTART = True
# If restarting, t0 above should be from original run, and the
# restart_file 'fort.chkNNNNN' specified below should be in
# the OUTDIR indicated in Makefile.
clawdata.restart = False # True to restart from prior results
clawdata.restart_file = 'fort.chk00006' # File to use for restart data
# -------------
# Output times:
#--------------
# Specify at what times the results should be written to fort.q files.
# Note that the time integration stops after the final output time.
clawdata.output_style = 1
if clawdata.output_style == 1:
# Output ntimes frames at equally spaced times up to tfinal:
# Can specify num_output_times = 0 for no output
clawdata.num_output_times = 7
clawdata.tfinal = 14000.
clawdata.output_t0 = True # output at initial (or restart) time?
elif clawdata.output_style == 2:
# Specify a list or numpy array of output times:
# Include t0 if you want output at the initial time.
clawdata.output_times = [0., 0.1]
elif clawdata.output_style == 3:
# Output every step_interval timesteps over total_steps timesteps:
clawdata.output_step_interval = 2
clawdata.total_steps = 4
clawdata.output_t0 = True # output at initial (or restart) time?
clawdata.output_format = 'binary' # 'ascii', 'binary'
clawdata.output_q_components = 'all' # could be list such as [True,True]
clawdata.output_aux_components = 'none' # could be list
clawdata.output_aux_onlyonce = True # output aux arrays only at t0
# ---------------------------------------------------
# Verbosity of messages to screen during integration:
# ---------------------------------------------------
# The current t, dt, and cfl will be printed every time step
# at AMR levels <= verbosity. Set verbosity = 0 for no printing.
# (E.g. verbosity == 2 means print only on levels 1 and 2.)
clawdata.verbosity = 1
# --------------
# Time stepping:
# --------------
# if dt_variable==True: variable time steps used based on cfl_desired,
# if dt_variable==Falseixed time steps dt = dt_initial always used.
clawdata.dt_variable = True
# Initial time step for variable dt.
# (If dt_variable==0 then dt=dt_initial for all steps)
clawdata.dt_initial = 16.0
# Max time step to be allowed if variable dt used:
clawdata.dt_max = 1e+99
# Desired Courant number if variable dt used
clawdata.cfl_desired = 0.75
# max Courant number to allow without retaking step with a smaller dt:
clawdata.cfl_max = 1.0
# Maximum number of time steps to allow between output times:
clawdata.steps_max = 5000
# ------------------
# Method to be used:
# ------------------
# Order of accuracy: 1 => Godunov, 2 => Lax-Wendroff plus limiters
clawdata.order = 2
# Use dimensional splitting? (not yet available for AMR)
clawdata.dimensional_split = 'unsplit'
# For unsplit method, transverse_waves can be
# 0 or 'none' ==> donor cell (only normal solver used)
# 1 or 'increment' ==> corner transport of waves
# 2 or 'all' ==> corner transport of 2nd order corrections too
clawdata.transverse_waves = 2
# Number of waves in the Riemann solution:
clawdata.num_waves = 3
# List of limiters to use for each wave family:
# Required: len(limiter) == num_waves
# Some options:
# 0 or 'none' ==> no limiter (Lax-Wendroff)
# 1 or 'minmod' ==> minmod
# 2 or 'superbee' ==> superbee
# 3 or 'vanleer' ==> van Leer
# 4 or 'mc' ==> MC limiter
clawdata.limiter = ['vanleer', 'vanleer', 'vanleer']
clawdata.use_fwaves = True # True ==> use f-wave version of algorithms
# Source terms splitting:
# src_split == 0 or 'none' ==> no source term (src routine never called)
# src_split == 1 or 'godunov' ==> Godunov (1st order) splitting used,
# src_split == 2 or 'strang' ==> Strang (2nd order) splitting used, not recommended.
clawdata.source_split = 1
# --------------------
# Boundary conditions:
# --------------------
# Number of ghost cells (usually 2)
clawdata.num_ghost = 2
# Choice of BCs at xlower and xupper:
# 0 or 'user' => user specified (must modify bcNamr.f to use this option)
# 1 or 'extrap' => extrapolation (non-reflecting outflow)
# 2 or 'periodic' => periodic (must specify this at both boundaries)
# 3 or 'wall' => solid wall for systems where q(2) is normal velocity
clawdata.bc_lower[0] = 'extrap' # at xlower
clawdata.bc_upper[0] = 'extrap' # at xupper
clawdata.bc_lower[1] = 'extrap' # at ylower
clawdata.bc_upper[1] = 'extrap' # at yupper
# ---------------
# Gauges:
# ---------------
gauges = rundata.gaugedata.gauges
# for gauges append lines of the form [gaugeno, x, y, t1, t2]
gaugeno = 0
for d in [1570e3, 1590e3, 1610e3, 1630e3]:
gaugeno = gaugeno + 1
x, y = latlong(d, theta_island, 40., Rearth)
gauges.append([gaugeno, x, y, 0., 1e10])
# --------------
# Checkpointing:
# --------------
# Specify when checkpoint files should be created that can be
# used to restart a computation.
clawdata.checkpt_style = 1
if clawdata.checkpt_style == 0:
# Do not checkpoint at all
pass
elif clawdata.checkpt_style == 1:
# Checkpoint only at tfinal.
pass
elif clawdata.checkpt_style == 2:
# Specify a list of checkpoint times.
clawdata.checkpt_times = [0.1, 0.15]
elif clawdata.checkpt_style == 3:
# Checkpoint every checkpt_interval timesteps (on Level 1)
# and at the final time.
clawdata.checkpt_interval = 5
# ---------------
# AMR parameters: (written to amr.data)
# ---------------
amrdata = rundata.amrdata
# max number of refinement levels:
amrdata.amr_levels_max = 5
# List of refinement ratios at each level (length at least amr_level_max-1)
amrdata.refinement_ratios_x = [4, 3, 5, 4]
amrdata.refinement_ratios_y = [4, 3, 5, 4]
amrdata.refinement_ratios_t = [1, 1, 1, 1]
# Specify type of each aux variable in amrdata.auxtype.
# This must be a list of length num_aux, each element of which is one of:
# 'center', 'capacity', 'xleft', or 'yleft' (see documentation).
amrdata.aux_type = ['center', 'capacity', 'yleft']
# Flag for refinement based on Richardson error estimater:
amrdata.flag_richardson = False # use Richardson?
amrdata.flag_richardson_tol = 1.0 # Richardson tolerance
# Flag for refinement using routine flag2refine:
amrdata.flag2refine = True # use this?
amrdata.flag2refine_tol = 0.5 # tolerance used in this routine
# Note: in geoclaw the refinement tolerance is set as wave_tolerance below
# and flag2refine_tol is unused!
# steps to take on each level L between regriddings of level L+1:
amrdata.regrid_interval = 3
# width of buffer zone around flagged points:
# (typically the same as regrid_interval so waves don't escape):
amrdata.regrid_buffer_width = 2
# clustering alg. cutoff for (# flagged pts) / (total # of cells refined)
# (closer to 1.0 => more small grids may be needed to cover flagged cells)
amrdata.clustering_cutoff = 0.7
# print info about each regridding up to this level:
amrdata.verbosity_regrid = 0
# ---------------
# Regions:
# ---------------
regions = rundata.regiondata.regions
# to specify regions of refinement append lines of the form
# [minlevel,maxlevel,t1,t2,x1,x2,y1,y2]
regions.append([1, 3, 0., 5000., -5., 20., 35., 55.])
regions.append([1, 2, 5000., 6900., -5., 20., 35., 55.])
regions.append([1, 3, 5000., 6900., 10., 20., 45., 55.])
regions.append([1, 2, 6900., 9000., 10., 20., 47., 52.])
# Force refinement near the island as the wave approaches:
(xisland, yisland) = latlong(1600.e3, theta_island, 40., Rearth)
x1 = xisland - 1.
x2 = xisland + 1.
y1 = yisland - 1.
y2 = yisland + 1.
regions.append([4, 4, 7000., 1.e10, x1, x2, y1, y2])
x1 = xisland - 0.2
x2 = xisland + 0.2
y1 = yisland - 0.2
y2 = yisland + 0.2
regions.append([4, 5, 8000., 1.e10, x1, x2, y1, y2])
# -----------------------------------------------
# GeoClaw specific parameters:
try:
geo_data = rundata.geo_data
except:
print("*** Error, this rundata has no geo_data attribute")
raise AttributeError("Missing geo_data attribute")
# == Physics ==
geo_data.gravity = 9.81
geo_data.coordinate_system = 2
geo_data.earth_radius = 6367500.0
# == Forcing Options
geo_data.coriolis_forcing = False
# == Algorithm and Initial Conditions ==
geo_data.sea_level = 0.0
geo_data.dry_tolerance = 0.001
geo_data.friction_forcing = True
geo_data.manning_coefficient = 0.025
geo_data.friction_depth = 1000000.0
# Refinement settings
refinement_data = rundata.refinement_data
refinement_data.variable_dt_refinement_ratios = True
refinement_data.wave_tolerance = 0.01
refinement_data.deep_depth = 100.0
refinement_data.max_level_deep = 3
# == settopo.data values ==
topofiles = rundata.topo_data.topofiles
# for topography, append lines of the form
# [topotype, minlevel, maxlevel, t1, t2, fname]
topofiles.append([3, 1, 1, 0.0, 10000000000.0, 'ocean.tt3'])
topofiles.append([3, 1, 1, 0.0, 10000000000.0, 'island.tt3'])
# == setdtopo.data values ==
rundata.dtopo_data.dtopofiles = []
dtopofiles = rundata.dtopo_data.dtopofiles
# for moving topography, append lines of the form :
# [topotype, minlevel,maxlevel,fname]
# == setqinit.data values ==
rundata.qinit_data.qinit_type = 4
qinitfiles = rundata.qinit_data.qinitfiles
# for qinit perturbations, append lines of the form: (<= 1 allowed for now!)
# [minlev, maxlev, fname]
rundata.qinit_data.qinitfiles = [[1, 2, 'hump.xyz']]
# == fgmax_grids.data values ==
# NEW STYLE STARTING IN v5.7.0
# set num_fgmax_val = 1 to save only max depth,
# 2 to also save max speed,
# 5 to also save max hs,hss,hmin
rundata.fgmax_data.num_fgmax_val = 2 # Save depth and speed
fgmax_grids = rundata.fgmax_data.fgmax_grids # empty list to start
# Now append to this list objects of class fgmax_tools.FGmaxGrid
# specifying any fgmax grids.
# Here several different ones are specified to illustrate:
tstart_max = 8000. # when to start monitoring fgmax grids
# Points on a uniform 2d grid:
fg = fgmax_tools.FGmaxGrid()
fg.point_style = 2 # uniform rectangular x-y grid
fg.x1 = 14.25
fg.x2 = 14.65
fg.y1 = 50.10
fg.y2 = 50.35
fg.dx = 15 / 3600. # desired resolution of fgmax grid
fg.min_level_check = amrdata.amr_levels_max # which levels to monitor max on
fg.tstart_max = tstart_max # just before wave arrives
fg.tend_max = 1.e10 # when to stop monitoring max values
fg.dt_check = 20. # how often to update max values
fg.interp_method = 0 # 0 ==> pw const in cells, recommended
fgmax_grids.append(fg) # written to fgmax_grids.data
# Points on a 1d transect from (x1,y1) to (x2,y2):
fg = fgmax_tools.FGmaxGrid()
fg.point_style = 1 # equally spaced points on a transect
fg.x1 = 14.25
fg.x2 = 14.65
fg.y1 = 50.10
fg.y2 = 50.35
fg.npts = 50
fg.min_level_check = amrdata.amr_levels_max # which levels to monitor max on
fg.tstart_max = tstart_max # just before wave arrives
fg.tend_max = 1.e10 # when to stop monitoring max values
fg.dt_check = 20. # how often to update max values
fg.interp_method = 0 # 0 ==> pw const in cells, recommended
fgmax_grids.append(fg) # written to fgmax_grids.data
# fgmax grid point_style==4 means grid specified as topo_type==3 file:
fg = fgmax_tools.FGmaxGrid()
fg.point_style = 4
fg.min_level_check = amrdata.amr_levels_max # which levels to monitor max on
fg.tstart_max = tstart_max # just before wave arrives
fg.tend_max = 1.e10 # when to stop monitoring max values
fg.dt_check = 20. # how often to update max values
fg.interp_method = 0 # 0 ==> pw const in cells, recommended
fg.xy_fname = 'fgmax_pts_island.data' # file of 0/1 values in tt3 format
fgmax_grids.append(fg) # written to fgmax_grids.data
# fgmax grid point_style==0 means list of points:
fg = fgmax_tools.FGmaxGrid()
fg.point_style = 0
fg.min_level_check = amrdata.amr_levels_max # which levels to monitor max on
fg.tstart_max = tstart_max # just before wave arrives
fg.tend_max = 1.e10 # when to stop monitoring max values
fg.dt_check = 20. # how often to update max values
fg.interp_method = 0 # 0 ==> pw const in cells, recommended
# can set list of points here:
fg.npts = 2
fg.X = np.array([14.4, 14.5])
fg.Y = np.array([50.13, 50.13])
fgmax_grids.append(fg) # written to fgmax_grids.data
# fgmax grid point_style==0 means list of points:
fg = fgmax_tools.FGmaxGrid()
fg.point_style = 0
fg.min_level_check = amrdata.amr_levels_max # which levels to monitor max on
fg.tstart_max = tstart_max # just before wave arrives
fg.tend_max = 1.e10 # when to stop monitoring max values
fg.dt_check = 20. # how often to update max values
fg.interp_method = 0 # 0 ==> pw const in cells, recommended
# can specify that list of points is in a different file:
fg.npts = 0
fg.xy_fname = 'fgmax_ps0.txt'
fgmax_grids.append(fg) # written to fgmax_grids.data
# ----- For developers -----
# Toggle debugging print statements:
amrdata.dprint = False # print domain flags
amrdata.eprint = False # print err est flags
amrdata.edebug = False # even more err est flags
amrdata.gprint = False # grid bisection/clustering
amrdata.nprint = False # proper nesting output
amrdata.pprint = False # proj. of tagged points
amrdata.rprint = False # print regridding summary
amrdata.sprint = False # space/memory output
amrdata.tprint = False # time step reporting each level
amrdata.uprint = False # update/upbnd reporting
return rundata
def setgeo(rundata):
#-------------------
"""
Set GeoClaw specific runtime parameters.
For documentation see ....
"""
try:
geo_data = rundata.geo_data
except:
print("*** Error, this rundata has no geo_data attribute")
raise AttributeError("Missing geo_data attribute")
# == Physics ==
geo_data.gravity = 9.80
geo_data.coordinate_system = 2 # lonlat
#geo_data.coordinate_system = 1 # XY
geo_data.earth_radius = 6367.5e3
geo_data.rho = 1025.0
geo_data.rho_air = 1.15
geo_data.ambient_pressure = 101.3e3 # Nominal atmos pressure
# == Forcing Options
geo_data.coriolis_forcing = True
geo_data.friction_forcing = True
geo_data.manning_coefficient = 0.025 # Overridden below
geo_data.friction_depth = 1e10
# == Algorithm and Initial Conditions ==
geo_data.sea_level = 0.0
geo_data.dry_tolerance = 1.e-2
# Refinement Criteria
refine_data = rundata.refinement_data
refine_data.wave_tolerance = 0.20
refine_data.speed_tolerance = [0.25, 0.50, 0.75, 1.00]
refine_data.deep_depth = 1.0e3
refine_data.max_level_deep = 1
refine_data.variable_dt_refinement_ratios = True
# == settopo.data values ==
topo_data = rundata.topo_data
topo_data.topofiles = []
# for topography, append lines of the form
# [topotype, minlevel, maxlevel, t1, t2, fname]
# See regions for control over these regions, need better bathy data for the
# smaller domains
topo_data.topofiles.append([
3, 1, 3, rundata.clawdata.t0, rundata.clawdata.tfinal,
os.path.join(topodir, topoflist['flat'])
])
# == setdtopo.data values ==
dtopo_data = rundata.dtopo_data
dtopo_data.dtopofiles = []
# for moving topography, append lines of the form : (<= 1 allowed for now!)
# [topotype, minlevel,maxlevel,fname]
# == setqinit.data values ==
rundata.qinit_data.qinit_type = 0
rundata.qinit_data.qinitfiles = []
# for qinit perturbations, append lines of the form: (<= 1 allowed for now!)
# [minlev, maxlev, fname]
# NEW feature to force dry land some locations below sea level:
# == setfixedgrids.data values ==
rundata.fixed_grid_data.fixedgrids = []
# for fixed grids append lines of the form
# [t1,t2,noutput,x1,x2,y1,y2,xpoints,ypoints,\
# ioutarrivaltimes,ioutsurfacemax]
# == fgmax.data values ==
fgmax_files = rundata.fgmax_data.fgmax_files
# Points on a uniform 2d grid:
# Domain 4
topo_file = topotools.Topography(os.path.join(topodir, topoflist['flat']),
topo_type=3)
fg = fgmax_tools.FGmaxGrid()
fg.point_style = 2 # uniform rectangular x-y grid
fg.dx = topo_file.delta[0] # desired resolution of fgmax grid
fg.x1 = topo_file.x[0]
fg.x2 = topo_file.x[-1]
fg.y1 = topo_file.y[0]
fg.y2 = topo_file.y[-1]
fg.min_level_check = 1 # which levels to monitor max on
fg.arrival_tol = 1.0e-1
fg.tstart_max = 0.0 # just before wave arrives
fg.tend_max = 1.e10 # when to stop monitoring max values
fg.dt_check = 1.0 # how often to update max values
fg.interp_method = 0 # 0 ==> pw const in cells, recommended
rundata.fgmax_data.fgmax_grids.append(fg) # written to fgmax_grids.data
# num_fgmax_val
rundata.fgmax_data.num_fgmax_val = 5 # 1 to save depth, 2 to save depth and speed, and 5 to Save depth, speed, momentum, momentum flux and hmin
# ================
# Set Surge Data
# ================
data = rundata.surge_data
# Source term controls - These are currently not respected
data.wind_forcing = True
#data.drag_law = 1
data.drag_law = 4 # Mitsuyasu & Kusaba no limit drag coeff
data.pressure_forcing = True
# AMR parameters
#data.wind_refine = [10.0, 20.0, 30.0, 40.0] # m/s
#data.R_refine = [200.0e3, 100.0e3, 50.0e3, 25.0e3] # m
data.wind_refine = False # m/s
data.R_refine = False # m
# Storm parameters
#data.storm_type = 1 # Type of storm
data.storm_type = -1 # Explicit storm fields. See ./wrf_storm_module.f90
data.storm_specification_type = 'WRF'
data.display_landfall_time = True
# Storm type 2 - Idealized storm track
data.storm_file = os.path.join(os.getcwd(), 'forcing/')
# =======================
# Set Variable Friction
# =======================
data = rundata.friction_data
# Variable friction
data.variable_friction = True
# Region based friction
# Entire domain
data.friction_regions.append([
rundata.clawdata.lower, rundata.clawdata.upper,
[np.infty, 0.0, -np.infty], [0.030, 0.022]
])
return rundata
def setrun(claw_pkg='geoclaw'):
"""
Define the parameters used for running Clawpack.
INPUT:
claw_pkg expected to be "geoclaw" for this setrun.
OUTPUT:
rundata - object of class ClawRunData
"""
from clawpack.clawutil import data
assert claw_pkg.lower() == 'geoclaw', "Expected claw_pkg = 'geoclaw'"
num_dim = 2
rundata = data.ClawRunData(claw_pkg, num_dim)
# ------------------------------------------------------------------
# Standard Clawpack parameters to be written to claw.data:
# (or to amr2ez.data for AMR)
# ------------------------------------------------------------------
clawdata = rundata.clawdata # initialized when rundata instantiated
# Set single grid parameters first.
# See below for AMR parameters.
# ---------------
# Spatial domain:
# ---------------
# Number of space dimensions:
clawdata.num_dim = num_dim
# Lower and upper edge of computational domain:
clawdata.lower[0] = -88.0 # west longitude
clawdata.upper[0] = -45.0 # east longitude
clawdata.lower[1] = 9.0 # south latitude
clawdata.upper[1] = 31.0 # north latitude
# Number of grid cells:
degree_factor = 4 # (0.25 deg,0.25 deg) ~ (25237.5 m, 27693.2 m) resolution
clawdata.num_cells[0] = int(clawdata.upper[0] - clawdata.lower[0]) \
* degree_factor
clawdata.num_cells[1] = int(clawdata.upper[1] - clawdata.lower[1]) \
* degree_factor
# ---------------
# Size of system:
# ---------------
# Number of equations in the system:
clawdata.num_eqn = 3
# Number of auxiliary variables in the aux array (initialized in setaux)
# First three are from shallow GeoClaw, fourth is friction and last 3 are
# storm fields
clawdata.num_aux = 3 + 1 + 3
# Index of aux array corresponding to capacity function, if there is one:
clawdata.capa_index = 2
# -------------
# Initial time:
# -------------
clawdata.t0 = -days2seconds(1)
# Restart from checkpoint file of a previous run?
# If restarting, t0 above should be from original run, and the
# restart_file 'fort.chkNNNNN' specified below should be in
# the OUTDIR indicated in Makefile.
clawdata.restart = False # True to restart from prior results
clawdata.restart_file = 'fort.chk00006' # File to use for restart data
# -------------
# Output times:
# --------------
# Specify at what times the results should be written to fort.q files.
# Note that the time integration stops after the final output time.
# The solution at initial time t0 is always written in addition.
clawdata.output_style = 1
if clawdata.output_style == 1:
# Output nout frames at equally spaced times up to tfinal:
clawdata.tfinal = days2seconds(8)
recurrence = 4
clawdata.num_output_times = int(
(clawdata.tfinal - clawdata.t0) * recurrence / (60**2 * 24))
clawdata.output_t0 = True # output at initial (or restart) time?
elif clawdata.output_style == 2:
# Specify a list of output times.
clawdata.output_times = [0.5, 1.0]
elif clawdata.output_style == 3:
# Output every iout timesteps with a total of ntot time steps:
clawdata.output_step_interval = 1
clawdata.total_steps = 1
clawdata.output_t0 = True
clawdata.output_format = 'binary' # 'ascii' or 'binary'
clawdata.output_q_components = 'all' # could be list such as [True,True]
clawdata.output_aux_components = 'all'
clawdata.output_aux_onlyonce = False # output aux arrays only at t0
# ---------------------------------------------------
# Verbosity of messages to screen during integration:
# ---------------------------------------------------
# The current t, dt, and cfl will be printed every time step
# at AMR levels <= verbosity. Set verbosity = 0 for no printing.
# (E.g. verbosity == 2 means print only on levels 1 and 2.)
clawdata.verbosity = 0
# --------------
# Time stepping:
# --------------
# if dt_variable==1: variable time steps used based on cfl_desired,
# if dt_variable==0: fixed time steps dt = dt_initial will always be used.
clawdata.dt_variable = True
# Initial time step for variable dt.
# If dt_variable==0 then dt=dt_initial for all steps:
clawdata.dt_initial = 0.016
# Max time step to be allowed if variable dt used:
clawdata.dt_max = 1e+99
# Desired Courant number if variable dt used, and max to allow without
# retaking step with a smaller dt:
clawdata.cfl_desired = 0.75
clawdata.cfl_max = 1.0
# Maximum number of time steps to allow between output times:
clawdata.steps_max = 500000
# ------------------
# Method to be used:
# ------------------
# Order of accuracy: 1 => Godunov, 2 => Lax-Wendroff plus limiters
clawdata.order = 1
# Use dimensional splitting? (not yet available for AMR)
clawdata.dimensional_split = 'unsplit'
# For unsplit method, transverse_waves can be
# 0 or 'none' ==> donor cell (only normal solver used)
# 1 or 'increment' ==> corner transport of waves
# 2 or 'all' ==> corner transport of 2nd order corrections too
clawdata.transverse_waves = 1
# Number of waves in the Riemann solution:
clawdata.num_waves = 3
# List of limiters to use for each wave family:
# Required: len(limiter) == num_waves
# Some options:
# 0 or 'none' ==> no limiter (Lax-Wendroff)
# 1 or 'minmod' ==> minmod
# 2 or 'superbee' ==> superbee
# 3 or 'mc' ==> MC limiter
# 4 or 'vanleer' ==> van Leer
clawdata.limiter = ['mc', 'mc', 'mc']
clawdata.use_fwaves = True # True ==> use f-wave version of algorithms
# Source terms splitting:
# src_split == 0 or 'none'
# ==> no source term (src routine never called)
# src_split == 1 or 'godunov'
# ==> Godunov (1st order) splitting used,
# src_split == 2 or 'strang'
# ==> Strang (2nd order) splitting used, not recommended.
clawdata.source_split = 'godunov'
# --------------------
# Boundary conditions:
# --------------------
# Number of ghost cells (usually 2)
clawdata.num_ghost = 2
# Choice of BCs at xlower and xupper:
# 0 => user specified (must modify bcN.f to use this option)
# 1 => extrapolation (non-reflecting outflow)
# 2 => periodic (must specify this at both boundaries)
# 3 => solid wall for systems where q(2) is normal velocity
clawdata.bc_lower[0] = 'extrap'
clawdata.bc_upper[0] = 'extrap'
clawdata.bc_lower[1] = 'extrap'
clawdata.bc_upper[1] = 'extrap'
# Specify when checkpoint files should be created that can be
# used to restart a computation.
clawdata.checkpt_style = 0
if clawdata.checkpt_style == 0:
# Do not checkpoint at all
pass
elif np.abs(clawdata.checkpt_style) == 1:
# Checkpoint only at tfinal.
pass
elif np.abs(clawdata.checkpt_style) == 2:
# Specify a list of checkpoint times.
clawdata.checkpt_times = [0.1, 0.15]
elif np.abs(clawdata.checkpt_style) == 3:
# Checkpoint every checkpt_interval timesteps (on Level 1)
# and at the final time.
clawdata.checkpt_interval = 5
# ---------------
# AMR parameters:
# ---------------
amrdata = rundata.amrdata
# max number of refinement levels:
amrdata.amr_levels_max = 7 # up to 7
# List of refinement ratios at each level (length at least mxnest-1)
amrdata.refinement_ratios_x = [2, 2, 2, 2, 4, 2] # 200 m
amrdata.refinement_ratios_y = [2, 2, 2, 2, 4, 2]
amrdata.refinement_ratios_t = [2, 2, 2, 2, 4, 2]
# amrdata.refinement_ratios_x = [2, 2, 2, 2, 4, 8] # 50 m
# amrdata.refinement_ratios_y = [2, 2, 2, 2, 4, 8]
# amrdata.refinement_ratios_t = [2, 2, 2, 2, 4, 8]
# 1 / (4*2*2*2*2*4*8) degrees
# Note: 1 degree = 10 km
# Specify type of each aux variable in amrdata.auxtype.
# This must be a list of length maux, each element of which is one of:
# 'center', 'capacity', 'xleft', or 'yleft' (see documentation).
amrdata.aux_type = [
'center', 'capacity', 'yleft', 'center', 'center', 'center', 'center'
]
# Flag using refinement routine flag2refine rather than richardson error
amrdata.flag_richardson = False # use Richardson?
amrdata.flag2refine = True
# steps to take on each level L between regriddings of level L+1:
amrdata.regrid_interval = 3
# width of buffer zone around flagged points:
# (typically the same as regrid_interval so waves don't escape):
amrdata.regrid_buffer_width = 2
# clustering alg. cutoff for (# flagged pts) / (total # of cells refined)
# (closer to 1.0 => more small grids may be needed to cover flagged cells)
amrdata.clustering_cutoff = 0.700000
# print info about each regridding up to this level:
amrdata.verbosity_regrid = 0
# ----- For developers -----
# Toggle debugging print statements:
amrdata.dprint = False # print domain flags
amrdata.eprint = False # print err est flags
amrdata.edebug = False # even more err est flags
amrdata.gprint = False # grid bisection/clustering
amrdata.nprint = False # proper nesting output
amrdata.pprint = False # proj. of tagged points
amrdata.rprint = False # print regridding summary
amrdata.sprint = False # space/memory output
amrdata.tprint = False # time step reporting each level
amrdata.uprint = False # update/upbnd reporting
# More AMR parameters can be set -- see the defaults in pyclaw/data.py
# == Gauges == *
gauges = rundata.gaugedata.gauges
# Gauges from PLSMSL Stations https://www.psmsl.org/products/gloss/glossmap.html
# 203: Port of Spain Trinidad and Tobago, 1, -61.517, 10.650,
gauges.append(
[1, -61.517, 10.650, rundata.clawdata.t0, rundata.clawdata.tfinal])
# Gauges from Sea Level Station Monitoring Facility
# Prickley Bay, Grenada Station, 2, -61.764828, 12.005392
gauges.append([
2, -61.764828, 12.005392, rundata.clawdata.t0, rundata.clawdata.tfinal
])
# Calliaqua Coast Guard Base, Saint Vincent & Grenadines, 3, -61.1955, 13.129912
gauges.append(
[3, -61.1955, 13.129912, rundata.clawdata.t0, rundata.clawdata.tfinal])
# Ganter's Bay, Saint Lucia, 4,-60.997351, 14.016428
gauges.append([
4, -60.997351, 14.016428, rundata.clawdata.t0, rundata.clawdata.tfinal
])
# Fort-de-France, Martinique2, 5,
gauges.append([
5, -61.063333, 14.601667, rundata.clawdata.t0, rundata.clawdata.tfinal
])
# Roseau Dominica, 6, 61.3891833, 15.31385
gauges.append([
6, -61.3891833, 15.31385, rundata.clawdata.t0, rundata.clawdata.tfinal
])
# Pointe a Pitre, Guadeloupe, 7, -61.531452, 16.224398
gauges.append([
7, -61.531452, 16.224398, rundata.clawdata.t0, rundata.clawdata.tfinal
])
# Parham (Camp Blizard), Antigua, 8, -61.7833, 17.15
gauges.append(
[8, -61.7833, 17.15, rundata.clawdata.t0, rundata.clawdata.tfinal])
# Blowing Point, Anguilla, 9, -63.0926167, 18.1710861
gauges.append([
9, -63.0926167, 18.1710861, rundata.clawdata.t0,
rundata.clawdata.tfinal
])
# Saint Croix, VI, 10, -64.69833, 17.74666
gauges.append([
10, -64.69833, 17.74666, rundata.clawdata.t0, rundata.clawdata.tfinal
])
# San Juan, PR, 11, -66.1167, 18.4617
gauges.append(
[11, -66.1167, 18.4617, rundata.clawdata.t0, rundata.clawdata.tfinal])
# Barahona, Dominican Republic, 12, -71.092154, 18.208137
gauges.append([
12, -71.092154, 18.208137, rundata.clawdata.t0, rundata.clawdata.tfinal
])
# George Town, Cayman Islands, 13, -81.383484, 19.295065
gauges.append([
13, -81.383484, 19.295065, rundata.clawdata.t0, rundata.clawdata.tfinal
])
# Settlement pt, Bahamas, 14, -78.98333, 26.6833324
gauges.append([
14, -78.98333, 26.6833324, rundata.clawdata.t0, rundata.clawdata.tfinal
])
# Force the gauges to also record the wind and pressure fields
aux_out_fields = [4, 5, 6]
# == setregions.data values ==
regions = rundata.regiondata.regions
# to specify regions of refinement append lines of the form
# [minlevel,maxlevel,t1,t2,x1,x2,y1,y2]
# Add gauge support
dx = 1 / 3600
for g in gauges:
t1 = g[3]
t2 = g[4]
x = g[1]
y = g[2]
regions.append([
amrdata.amr_levels_max, amrdata.amr_levels_max, t1, t2, x - dx,
x + dx, y - dx, y + dx
])
# == fgmax_grids.data values ==
from clawpack.geoclaw import fgmax_tools
# set num_fgmax_val = 1 to save only max depth,
# 2 to also save max speed,
# 5 to also save max hs,hss,hmin
rundata.fgmax_data.num_fgmax_val = 1 # Save depth only
# rundata.fgmax_data.num_fgmax_val = 2 # Save depth and speed
fgmax_grids = rundata.fgmax_data.fgmax_grids # empty list to start
# Now append to this list objects of class fgmax_tools.FGmaxGrid
# specifying any fgmax grids.
# Note: 1 arcsec = 30 m
# Make sure x1 < x2, y1 < y2
fgmax_regions = [
{
'Name': 'Trinidad to Dominica; Winward Islands',
'x1': -62.6056,
'x2': -58.7494,
'y1': 9.9042,
'y2': 15.694,
},
{
'Name': 'Guadeloupe to U.S. Virgin Islands; Leeward Islands',
'x1': -65.6021,
'x2': -60.6143,
'y1': 15.7242,
'y2': 18.8608,
},
{
'Name': 'Virgin Islands, Puerto Rico and Hispaniola',
'x1': -75.1355,
'x2': -63.8306,
'y1': 16.7706,
'y2': 20.9674,
},
{
'Name': 'Cuba, Jamaica, and the Cayman Islands',
'x1': -85.3088,
'x2': -73.9709,
'y1': 17.6605,
'y2': 23.3514,
},
{
'Name': 'The Bahamas and The Turks and Caicos Islands',
'x1': -79.3542,
'x2': -70.1697,
'y1': 20.1819,
'y2': 27.5647,
},
# {'Name':'Turks and Caicos',
# 'x1': -73.9819,
# 'x2': -70.9058,
# 'y1': 20.8603,
# 'y2': 22.0853,
# 'dx': 5/3600
# },
# {'Name':'Dominica',
# 'x1': -61.6594,
# 'x2': -61.1307,
# 'y1': 15.1234,
# 'y2': 15.6933,
# 'dx': 1/3600
# },
# {'Name':'Antigua and Barbuda',
# 'x1': -62.1744,
# 'x2': -61.4822,
# 'y1': 16.9093,
# 'y2': 17.8075,
# 'dx': 1/3600
# },
]
for fr in fgmax_regions:
# Points on a uniform 2d grid:
fg = fgmax_tools.FGmaxGrid()
fg.point_style = 2 # uniform rectangular x-y grid
fg.x1 = fr['x1']
fg.x2 = fr['x2']
fg.y1 = fr['y1']
fg.y2 = fr['y2']
# desired resolution of fgmax grid
if 'dx' in fr.keys():
fg.dx = fr['dx']
else:
fg.dx = 5 / 3600.
# fg.dx = 10 / 3600.
fg.min_level_check = amrdata.amr_levels_max # which levels to monitor max on
fg.tstart_max = clawdata.t0 # just before wave arrives
fg.tend_max = clawdata.tfinal # when to stop monitoring max values
fg.dt_check = 60. # how often to update max values
fg.interp_method = 0 # 0 ==> pw const in cells, recommended
fgmax_grids.append(fg) # written to fgmax_grids.data
# ------------------------------------------------------------------
# GeoClaw specific parameters:
# ------------------------------------------------------------------
rundata = setgeo(rundata)
return rundata
def setgeo(rundata):
#-------------------
"""
Set GeoClaw specific runtime parameters.
For documentation see ....
"""
try:
geo_data = rundata.geo_data
except:
print("*** Error, this rundata has no geo_data attribute")
raise AttributeError("Missing geo_data attribute")
# == Physics ==
geo_data.gravity = 9.81
geo_data.coordinate_system = 2
geo_data.earth_radius = 6367.5e3
# == Forcing Options
geo_data.coriolis_forcing = False
# == Algorithm and Initial Conditions ==
geo_data.sea_level = 0.0
geo_data.dry_tolerance = 1.e-3
geo_data.friction_forcing = True
geo_data.manning_coefficient = .025
geo_data.friction_depth = 1e6
# Refinement settings
refinement_data = rundata.refinement_data
refinement_data.variable_dt_refinement_ratios = True
refinement_data.wave_tolerance = 1.e-2
refinement_data.deep_depth = 1e2
refinement_data.max_level_deep = 3
# == settopo.data values ==
topo_data = rundata.topo_data
# for topography, append lines of the form
# [topotype, minlevel, maxlevel, t1, t2, fname]
topo_path = os.path.join(scratch_dir, 'etopo10min120W60W60S0S.asc')
topo_data.topofiles.append([2, 1, 3, 0., 1.e10, topo_path])
# == setdtopo.data values ==
dtopo_data = rundata.dtopo_data
# for moving topography, append lines of the form : (<= 1 allowed for now!)
# [topotype, minlevel,maxlevel,fname]
dtopo_path = os.path.join(scratch_dir, 'dtopo_usgs100227.tt3')
dtopo_data.dtopofiles.append([3, 3, 3, dtopo_path])
dtopo_data.dt_max_dtopo = 0.2
# == setqinit.data values ==
rundata.qinit_data.qinit_type = 0
rundata.qinit_data.qinitfiles = []
# for qinit perturbations, append lines of the form: (<= 1 allowed for now!)
# [minlev, maxlev, fname]
# == setfixedgrids.data values ==
fixed_grids = rundata.fixed_grid_data
# for fixed grids append lines of the form
# [t1,t2,noutput,x1,x2,y1,y2,xpoints,ypoints,\
# ioutarrivaltimes,ioutsurfacemax]
# == fgmax_grids.data values ==
# NEW STYLE STARTING IN v5.7.0
# set num_fgmax_val = 1 to save only max depth,
# 2 to also save max speed,
# 5 to also save max hs,hss,hmin
rundata.fgmax_data.num_fgmax_val = 2 # Save depth and speed
fgmax_grids = rundata.fgmax_data.fgmax_grids # empty list to start
# Now append to this list objects of class fgmax_tools.FGmaxGrid
# specifying any fgmax grids.
# Points on a uniform 2d grid:
dx_fine = 2. / (3. * 4.) # grid resolution at finest level
fg = fgmax_tools.FGmaxGrid()
fg.point_style = 2 # uniform rectangular x-y grid
fg.x1 = -120. + dx_fine / 2.
fg.x2 = -60. - dx_fine / 2.
fg.y1 = -60. + dx_fine / 2.
fg.y2 = 0. - dx_fine / 2.
fg.dx = dx_fine
fg.tstart_max = 10. # when to start monitoring max values
fg.tend_max = 1.e10 # when to stop monitoring max values
fg.dt_check = 60. # target time (sec) increment between updating
# max values
fg.min_level_check = 3 # which levels to monitor max on
fg.arrival_tol = 1.e-2 # tolerance for flagging arrival
fg.interp_method = 0 # 0 ==> pw const in cells, recommended
fgmax_grids.append(fg) # written to fgmax_grids.data
return rundata
