Esempio n. 1
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def sunhis2initial(hisfile,icfile):
    """
    Main function
    """

    print '#####\nCreating initial condition file (%s) from history file (%s)...'%(icfile,hisfile)

    # Load the history file
    sunhis = Spatial(hisfile, tstep=-1, klayer=[-99])

    # Load the initial condition object
    timeic = datetime.strftime(sunhis.time[-1],'%Y%m%d.%H%M%S')
    sunic = InitialCond(hisfile,timeic)

    # Load the last time step into each variable
    sunic.h = sunhis.loadData(variable='eta').reshape((1,sunic.h.shape))
    sunic.T = sunhis.loadData(variable='temp').reshape((1,)+sunic.T.shape)
    sunic.S = sunhis.loadData(variable='salt').reshape((1,)+sunic.S.shape)
    sunic.uc = sunhis.loadData(variable='uc').reshape((1,)+sunic.uc.shape)
    sunic.vc = sunhis.loadData(variable='vc').reshape((1,)+sunic.vc.shape)

    print sunic.h.shape
    print sunic.T.shape

    # Load the age
    if sunhis.hasVar('agec'):
        sunic.agec = sunhis.loadData(variable='agec').reshape((1,)+sunic.agec.shape)       
        sunic.agealpha = sunhis.loadData(variable='agealpha').reshape((1,)+sunic.agealpha.shape)       

    # Write to the output file
    sunic.writeNC(icfile)
Esempio n. 2
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# Generate an initial condition netcdf file
##############################################
if makeinitial:
    ####
    # Initial condition options
    ####

    icfile = 'SFBay3D_IC.nc' # Initial condition netcdf file name

    h0 = -5.0 # initial free surface elevation
    ####
    # End options
    ####

    # Initialise the class
    IC = InitialCond(suntanspath,starttime)
    
    #Set the depth
    IC.dv = grd.dv

    # the initial condition arrays are stored in the following fields in the class:
    #   h, uc, vc, T, S
    # 
    # uc, vc, T and S have dimensions [1, Nk, Nc]
    # h has dimensions [1, Nc]
    
    # We want to set h to constant (other fields are zero by default)
    IC.h[:] = h0

    # Now set T and S based on analytical functions
    def returnSalinity(x,y):
Esempio n. 3
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    for ID,flux in zip(segmentID,fluxrate):
        ind = np.argwhere(bnd.segp==ID)
        bnd.boundary_Q[:,ind]=flux
        
    # Set all type-2 boundary T and S constant
    bnd.boundary_S[:,:,:] = 0.0
    bnd.boundary_T[:,:,:] = T0
    
    # Write the boundary file
    bnd.write2NC(suntanspath+'/'+bcfile)
    
if makeinitial:
    # Generates an initial condition netcdf file
    
    # Initialise the class
    IC = InitialCond(suntanspath,starttime)
    
    # the initial condition arrays are stored in the following fields in the class:
    #   h, uc, vc, T, S
    
    # We just want to set T and S to constant (other fields are zero by default)
    IC.T[:] = T0
    IC.S[:] = S0
    
    # Write the initial condition file
    IC.writeNC(suntanspath+'/'+icfile)

if makewinds:
    # Create a meteorological input file
    xpt = grd.xv.mean()
    ypt = grd.yv.mean()
Esempio n. 4
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    def _makeinitial(self):
        """
        Generate initial conditions
        """
        
        # Initialise the class
        IC = InitialCond(self.suntanspath,self.starttime)
    
        if self.opt_ic=='constant':
            print 'Setting constant initial conditions...'  
            print 'Setting salinity = %f, temperature = %f'%(self.S0ic,self.T0ic)
            IC.T[:]=self.T0ic
            IC.S[:]=self.S0ic
            
        elif self.opt_ic=='depth_profile':
            print 'Setting depth-varying initial conditions...'  
            
            self.loadTSprofile()
            for ii in range(0,IC.Nc):
                IC.T[0,:,ii] = self.Tz
                IC.S[0,:,ii] = self.Sz
                
        elif self.opt_ic=='ROMS':
            print 'Setting initial conditions from ROMS model output...'  
            IC.roms2ic(self.romsfile,setUV=self.useROMSuv,seth=self.useROMSeta,interpmethod='idw',NNear=5,p=2)
                #interpmethod=self.interpmethod,NNear=self.NNear,p=self.p,\
                #varmodel=self.varmodel,nugget=self.nugget,sill=self.sill,\
                #vrange=self.vrange)

        elif self.opt_ic=='SUNTANS':
            IC.suntans2ic(self.suntansicfile,setUV=self.useROMSuv,seth=self.useROMSeta)
            
        else:
            print 'Unknown option: opt_ic = %s. Not setting initial conditions.'%self.opt_ic

    
        # Filter the variables in space
        if self.icfilterdx>0:
            IC.filteric(self.icfilterdx)

        # Set the age source term from a polygon
        if not self.agesourcepoly==None:
            print 'Setting age source term with shapefile: %s...'%self.agesourcepoly
            IC.setAgeSource(self.agesourcepoly)

        # Write the initial condition file
        IC.writeNC(self.suntanspath+'/'+self.icfile,dv=self.grd.dv)
##############################################
# Generate an initial condition netcdf file
##############################################
if makeinitial:
    ####
    # Initial condition options
    ####

    icfile = 'Headland_IC.nc' # Initial condition netcdf file name

    ####
    # End options
    ####

    # Initialise the class
    IC = InitialCond(suntanspath,starttime)

    
    # the initial condition arrays are stored in the following fields in the class:
    #   h, uc, vc, T, S
    # 
    # uc, vc, T and S have dimensions [1, Nk, Nc]
    # h has dimensions [1, Nc]
    
    # We want to set h to constant (other fields are zero by default)
    IC.h[:] = calc_fs(IC.xv) 

    # Set T as a circle
    x0 = -0
    y0 = b+w
    R = 500. # Radius
Esempio n. 6
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##############################################
# Generate an initial condition netcdf file
##############################################
if makeinitial:
    ####
    # Initial condition options
    ####

    icfile = 'Headland_IC.nc'  # Initial condition netcdf file name

    ####
    # End options
    ####

    # Initialise the class
    IC = InitialCond(suntanspath, starttime)

    # the initial condition arrays are stored in the following fields in the class:
    #   h, uc, vc, T, S
    #
    # uc, vc, T and S have dimensions [1, Nk, Nc]
    # h has dimensions [1, Nc]

    # We want to set h to constant (other fields are zero by default)
    IC.h[:] = calc_fs(IC.xv)

    # Set T as a circle
    x0 = -0
    y0 = b + w
    R = 500.  # Radius
Esempio n. 7
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def sunhis2initial(hisfile, icfile):
    """
    Main function
    """

    print '#####\nCreating initial condition file (%s) from history file (%s)...' % (
        icfile, hisfile)

    # Load the history file
    sunhis = Spatial(hisfile, tstep=-1, klayer=[-99])

    # Load the initial condition object
    timeic = datetime.strftime(sunhis.time[-1], '%Y%m%d.%H%M%S')
    sunic = InitialCond(hisfile, timeic)

    # Load the last time step into each variable
    sunic.h = sunhis.loadData(variable='eta').reshape((1, sunic.h.shape))
    sunic.T = sunhis.loadData(variable='temp').reshape((1, ) + sunic.T.shape)
    sunic.S = sunhis.loadData(variable='salt').reshape((1, ) + sunic.S.shape)
    sunic.uc = sunhis.loadData(variable='uc').reshape((1, ) + sunic.uc.shape)
    sunic.vc = sunhis.loadData(variable='vc').reshape((1, ) + sunic.vc.shape)

    print sunic.h.shape
    print sunic.T.shape

    # Load the age
    if sunhis.hasVar('agec'):
        sunic.agec = sunhis.loadData(variable='agec').reshape((1, ) +
                                                              sunic.agec.shape)
        sunic.agealpha = sunhis.loadData(
            variable='agealpha').reshape((1, ) + sunic.agealpha.shape)

    # Write to the output file
    sunic.writeNC(icfile)
Esempio n. 8
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    for ID, flux in zip(segmentID, fluxrate):
        ind = np.argwhere(bnd.segp == ID)
        bnd.boundary_Q[:, ind] = flux

    # Set all type-2 boundary T and S constant
    bnd.boundary_S[:, :, :] = 0.0
    bnd.boundary_T[:, :, :] = T0

    # Write the boundary file
    bnd.write2NC(suntanspath + '/' + bcfile)

if makeinitial:
    # Generates an initial condition netcdf file

    # Initialise the class
    IC = InitialCond(suntanspath, starttime)

    # the initial condition arrays are stored in the following fields in the class:
    #   h, uc, vc, T, S

    # We just want to set T and S to constant (other fields are zero by default)
    IC.T[:] = T0
    IC.S[:] = S0

    # Write the initial condition file
    IC.writeNC(suntanspath + '/' + icfile)

if makewinds:
    # Create a meteorological input file
    xpt = grd.xv.mean()
    ypt = grd.yv.mean()
Esempio n. 9
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    def _makeinitial(self):
        """
        Generate initial conditions
        """

        # Initialise the class
        IC = InitialCond(self.suntanspath, self.starttime)

        if self.opt_ic == 'constant':
            print 'Setting constant initial conditions...'
            print 'Setting salinity = %f, temperature = %f' % (self.S0ic,
                                                               self.T0ic)
            IC.T[:] = self.T0ic
            IC.S[:] = self.S0ic

        elif self.opt_ic == 'depth_profile':
            print 'Setting depth-varying initial conditions...'

            self.loadTSprofile()
            for ii in range(0, IC.Nc):
                IC.T[0, :, ii] = self.Tz
                IC.S[0, :, ii] = self.Sz

        elif self.opt_ic == 'ROMS':
            print 'Setting initial conditions from ROMS model output...'
            IC.roms2ic(self.romsfile,
                       setUV=self.useROMSuv,
                       seth=self.useROMSeta,
                       interpmethod='idw',
                       NNear=5,
                       p=2)
            #interpmethod=self.interpmethod,NNear=self.NNear,p=self.p,\
            #varmodel=self.varmodel,nugget=self.nugget,sill=self.sill,\
            #vrange=self.vrange)

        elif self.opt_ic == 'SUNTANS':
            IC.suntans2ic(self.suntansicfile,
                          setUV=self.useROMSuv,
                          seth=self.useROMSeta)

        else:
            print 'Unknown option: opt_ic = %s. Not setting initial conditions.' % self.opt_ic

        # Filter the variables in space
        if self.icfilterdx > 0:
            IC.filteric(self.icfilterdx)

        # Set the age source term from a polygon
        if not self.agesourcepoly == None:
            print 'Setting age source term with shapefile: %s...' % self.agesourcepoly
            IC.setAgeSource(self.agesourcepoly)

        # Write the initial condition file
        IC.writeNC(self.suntanspath + '/' + self.icfile, dv=self.grd.dv)