import numpy as np
from issm.fielddisplay import fielddisplay
from issm.checkfield import checkfield
from issm.WriteData import WriteData
from issm.project3d import project3d
[docs]class SMBforcing(object):
"""
SMBforcing Class definition
Usage:
SMB=SMBforcing();
"""
def __init__(self): # {{{
self.mass_balance = float('NaN')
self.requested_outputs = []
#}}}
def __repr__(self): # {{{
string=" surface forcings parameters:"
string="%s\n%s"%(string,fielddisplay(self,'mass_balance','surface mass balance [m/yr ice eq]'))
string="%s\n%s"%(string,fielddisplay(self,'requested_outputs','additional outputs requested'))
return string
#}}}
[docs] def extrude(self,md): # {{{
self.mass_balance=project3d(md,'vector',self.mass_balance,'type','node');
return self
#}}}
[docs] def defaultoutputs(self,md): # {{{
return []
#}}}
[docs] def initialize(self,md): # {{{
if np.all(np.isnan(self.mass_balance)):
self.mass_balance=np.zeros((md.mesh.numberofvertices))
print " no SMBforcing.mass_balance specified: values set as zero"
return self
#}}}
[docs] def checkconsistency(self,md,solution,analyses): # {{{
if 'MasstransportAnalysis' in analyses:
md = checkfield(md,'fieldname','smb.mass_balance','timeseries',1,'NaN',1,'Inf',1)
if 'BalancethicknessAnalysis' in analyses:
md = checkfield(md,'fieldname','smb.mass_balance','size',[md.mesh.numberofvertices],'NaN',1,'Inf',1)
md = checkfield(md,'fieldname','masstransport.requested_outputs','stringrow',1)
return md
# }}}
[docs] def marshall(self,prefix,md,fid): # {{{
yts=md.constants.yts
WriteData(fid,prefix,'name','md.smb.model','data',1,'format','Integer');
WriteData(fid,prefix,'object',self,'class','smb','fieldname','mass_balance','format','DoubleMat','mattype',1,'scale',1./yts,'timeserieslength',md.mesh.numberofvertices+1,'yts',md.constants.yts)
#WriteData(fid,prefix,'object',self,'class','smb','fieldname','mass_balance','format','CompressedMat','mattype',1,'scale',1./yts,'timeserieslength',md.mesh.numberofvertices+1,'yts',md.constants.yts);
#process requested outputs
outputs = self.requested_outputs
indices = [i for i, x in enumerate(outputs) if x == 'default']
if len(indices) > 0:
outputscopy=outputs[0:max(0,indices[0]-1)]+self.defaultoutputs(md)+outputs[indices[0]+1:]
outputs =outputscopy
WriteData(fid,prefix,'data',outputs,'name','md.smb.requested_outputs','format','StringArray')
# }}}