source: issm/trunk-jpl/src/m/classes/mask.py@ 15749

from fielddisplay import fielddisplay
from EnumDefinitions import *
from checkfield import *
from WriteData import *

class mask(object):
        """
        MASK class definition

           Usage:
              mask=mask();
        """

        def __init__(self): # {{{
                self.elementonfloatingice = float('NaN')
                self.elementongroundedice = float('NaN')
                self.vertexonfloatingice  = float('NaN')
                self.vertexongroundedice  = float('NaN')
                self.icelevelset          = float('NaN')

                #set defaults
                self.setdefaultparameters()

                #}}}
        def __repr__(self): # {{{
                string="   masks:"

                string="%s\n%s"%(string,fielddisplay(self,"elementonfloatingice","element on floating ice flags list"))
                string="%s\n%s"%(string,fielddisplay(self,"vertexonfloatingice","vertex on floating ice flags list"))
                string="%s\n%s"%(string,fielddisplay(self,"elementongroundedice","element on grounded ice list"))
                string="%s\n%s"%(string,fielddisplay(self,"vertexongroundedice","vertex on grounded ice flags list"))
                string="%s\n%s"%(string,fielddisplay(self,"icelevelset","presence of ice if > 0, icefront position if = 0, no ice if < 0"))
                return string
                #}}}
        def setdefaultparameters(self): # {{{
                return self
        #}}}
        def checkconsistency(self,md,solution,analyses):    # {{{

                md = checkfield(md,'mask.elementonfloatingice','size',[md.mesh.numberofelements],'values',[0,1])
                md = checkfield(md,'mask.elementongroundedice','size',[md.mesh.numberofelements],'values',[0,1])
                md = checkfield(md,'mask.vertexonfloatingice' ,'size',[md.mesh.numberofvertices],'values',[0,1])
                md = checkfield(md,'mask.vertexongroundedice' ,'size',[md.mesh.numberofvertices],'values',[0,1])
                md = checkfield(md,'mask.icelevelset'         ,'size',[md.mesh.numberofvertices])
                isice=numpy.array(md.mask.icelevelset>0,int)
                totallyicefree=(numpy.sum(isice[md.mesh.elements-1],axis=1)==0).astype(int)
                if any(totallyicefree):
                        raise TypeError("elements with no ice not implemented yet, each element should have at least one vertex with md.mask.icelevelset > 0")

                return md
        # }}}
        def marshall(self,md,fid):    # {{{
                WriteData(fid,'object',self,'fieldname','elementonfloatingice','format','BooleanMat','mattype',2)
                WriteData(fid,'object',self,'fieldname','elementongroundedice','format','BooleanMat','mattype',2)
                WriteData(fid,'object',self,'fieldname','vertexonfloatingice','format','DoubleMat','mattype',1)
                WriteData(fid,'object',self,'fieldname','vertexongroundedice','format','DoubleMat','mattype',1)
                WriteData(fid,'object',self,'fieldname','icelevelset','format','DoubleMat','mattype',1)
        # }}}