/**
* Place to hold temporary one table column data. Parameter name, perspective
* coeficient, parameter group if any and data for this perspective.
*/
   class OntoColumnData{
      String cname;
      double perspective;
      //int cparamgroup;
      OntoParamGroup cparamgroup;
      double[] cdata;
      public String toString(){
        StringBuffer sb=new StringBuffer();
        sb.append(cname+"; "+perspective+"; "+cparamgroup+"; ");
        for(int i=0; i<cdata.length; i++){
           if(i>0){sb.append(", ");}
           sb.append(cdata[i]);
        }
        return sb.toString();        
      }
      public OntoColumnData(String ucname, double uperspective, OntoParamGroup ucparamgroup, double[] ucdata){
         cname=ucname;
         perspective=uperspective;
         cparamgroup=ucparamgroup;
         cdata=new double[ucdata.length];
         for(int i=0; i<ucdata.length; i++){
            cdata[i]=ucdata[i];
         }
      }
      public OntoColumnData(OntoColumnData old){
         this(old.cname, old.perspective, old.cparamgroup, old.cdata);
      }
      public OntoColumnData(int colcount){
         cname="xx";
         perspective=1;
         cparamgroup=null;
         cdata=new double[colcount];
      }
   }