source: issm/trunk-jpl/src/m/solve/parseresultsfrombuffer.js@ 21674

function parseresultsfrombuffer(md,buffer,buffersize){ //{{{

        //Open file
        results=[];
        
        var fid = new fileptr('mode','r','buffer',buffer,'buffersize',buffersize);

        //Read fields until the end of the file.
        result  = ReadData(fid,md);

        if (MapIsEmpty(result))throw Error('no results found in binary memory buffer');
        
        var counter = 0;
        var check_nomoresteps=0;
        var step    = result['step'];
        var index;

        while (!MapIsEmpty(result)){

                if (check_nomoresteps){
                        //check that the new result does not add a step, which would be an error: 
                        if (result['step']>=1)throw Error('parsing results for a steady-state core, which incorporates transient results!');
                }

                //Check step, increase counter if this is a new step
                if(step!=result['step'] & result['step']>1){
                        counter = counter + 1;
                        step    = result['step'];
                }

                //Add result
                if(result['step']==0){
                        //if we have a step = 0, this is a steady state solutoin, don't expect more steps. 
                        index = 0;
                        check_nomoresteps=1;
                }
                else if(result['step']==1){
                        index = 0;
                }
                else index = counter;

                if(index>results.length-1)results.push({});
                for(var i=results.length-1;i<index-1;i++)results[i]={};
                results[index][result['fieldname']]=result['field'];
                
                //Get time and step
                if(result['time']!=-9999){
                        results[index]['step']=result['step'];
                }
                if(result['time']!=-9999){
                        results[index]['time']=result['time'];
                }

                //read next result
                result  = ReadData(fid,md);
        }
        return results;
} // }}}
function ReadData(fid,md){ //{{{
//READDATA - ...
//
//   Usage:
//      field=ReadData(fid,md)

        //read field
        var length=fid.fread(1,'int');
        
        var result={};

        if (length!==-1){
                fieldname=fid.fread(length,'char');
                time=fid.fread(1,'double');
                step=fid.fread(1,'int');
                type=fid.fread(1,'int');
                M=fid.fread(1,'int');

                if (type==1) field=fid.fread(M,'double');
                else if (type==2) field=fid.fread(M,'char');
                else if (type==3) {
                        N=fid.fread(1,'int');
                        field=fid.fread(N*M,'double');
                }
                else if (type==4) {
                        N=fid.fread(1,'int');
                        field=fid.fread(N*M,'int');
                }
                else throw Error(sprintf("%s%i",'ReadData error message: cannot read data of type ',type));

                //Process units here FIXME: this should not be done here!
                var yts=md.constants.yts;
                if (fieldname == 'BalancethicknessThickeningRate') for (var i=0;i<field.length;i++)field[i]= field[i]*yts;
                else if (fieldname == 'HydrologyWaterVx') for (var i=0;i<field.length;i++)field[i]= field[i]*yts;
                else if (fieldname == 'HydrologyWaterVy') for (var i=0;i<field.length;i++)field[i]= field[i]*yts;
                else if (fieldname == 'Vx') for (var i=0;i<field.length;i++)field[i]= field[i]*yts;
                else if (fieldname == 'Vy') for (var i=0;i<field.length;i++)field[i]= field[i]*yts;
                else if (fieldname == 'Vz') for (var i=0;i<field.length;i++)field[i]= field[i]*yts;
                else if (fieldname == 'Vel') for (var i=0;i<field.length;i++)field[i]= field[i]*yts;
                else if (fieldname == 'BasalforcingsGroundediceMeltingRate') for (var i=0;i<field.length;i++)field[i]= field[i]*yts;
                else if (fieldname == 'BasalforcingsFloatingiceMeltingRate') for (var i=0;i<field.length;i++)field[i]= field[i]*yts;
                else if (fieldname == 'TotalSmb') for (var i=0;i<field.length;i++)field[i]= field[i]/Math.pow(10,12)*yts; //(GigaTon/year)
                else if (fieldname == 'SmbMassBalance') for (var i=0;i<field.length;i++)field[i]= field[i]*yts;
                else if (fieldname == 'SmbPrecipitation') for (var i=0;i<field.length;i++)field[i]= field[i]*yts;
                else if (fieldname == 'SmbRunoff') for (var i=0;i<field.length;i++)field[i]= field[i]*yts;
                else if (fieldname == 'SmbCondensation') for (var i=0;i<field.length;i++)field[i]= field[i]*yts;
                else if (fieldname == 'SmbAccumulation') for (var i=0;i<field.length;i++)field[i]= field[i]*yts;
                else if (fieldname == 'SmbMelt') for (var i=0;i<field.length;i++)field[i]= field[i]*yts;
                else if (fieldname == 'CalvingCalvingrate') for (var i=0;i<field.length;i++)field[i]= field[i]*yts;

                result['fieldname']=fieldname;
                result['time']=time;
                if (result['time']!=-9999) result['time']=time/yts;
                result['step']=step;
                result['field']=field;
        }
        return result;

} // }}}