source: issm/trunk-jpl/src/m/classes/SMBforcing.py@ 21049

import numpy
from fielddisplay import fielddisplay
from checkfield import checkfield
from WriteData import WriteData
from project3d import project3d

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
                #}}}
        def extrude(self,md): # {{{

                self.mass_balance=project3d(md,'vector',self.mass_balance,'type','node');
                return self
        #}}}
        def defaultoutputs(self,md): # {{{
                return []
        #}}}
        def initialize(self,md): # {{{

                if numpy.all(numpy.isnan(self.mass_balance)):
                        self.mass_balance=numpy.zeros((md.mesh.numberofvertices,1))
                        print "      no SMBforcing.mass_balance specified: values set as zero"

                return self
        #}}}
        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
        # }}}
        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)
                
                #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')

        # }}}