package org.lcsim.geometry.compact.converter.lcdd.util;
   
   import org.jdom.DataConversionException;
   
   // FIXME: Hard-coded mult and div by 2 to match GDML convention of dividing inputs by 2.
   public class Trap extends Solid
   {  
       public Trap(
               String name, 
              double z, 
              double theta, 
              double phi, 
              double y1, 
              double x1, 
              double x2, 
              double alpha1, 
              double y2, 
              double x3, 
              double x4, 
              double alpha2)
      {
          super("trap",name);
                  
          setAttribute("z",String.valueOf(z*2));
          setAttribute("theta",String.valueOf(theta));
          setAttribute("phi",String.valueOf(phi));
          setAttribute("y1",String.valueOf(y1*2));
          setAttribute("x1",String.valueOf(x1*2));
          setAttribute("x2",String.valueOf(x2*2));
          setAttribute("alpha1",String.valueOf(alpha1));
          setAttribute("y2",String.valueOf(y2*2));
          setAttribute("x3",String.valueOf(x3*2));
          setAttribute("x4",String.valueOf(x4*2));
          setAttribute("alpha2",String.valueOf(alpha2));
          
          setAttribute("aunit","radian");
          setAttribute("lunit","mm");
      }  
      
      private double p(String dim)
      {
          try 
          {
              return getAttribute(dim).getDoubleValue();
          }
          catch (DataConversionException x)
          {
              throw new RuntimeException(x);
          }
      }
      
      public double getZHalfLength()
      {
          return p("z") / 2;
      }
      
      public double getTheta()
      {
          return p("theta");
      }
      
      public double getPhi()
      {
          return p("phi");
      }
      
      public double getYHalfLength1()
      {
          return p("y1") / 2;
      }
      
      public double getXHalfLength1()
      {
          return p("x1") / 2;
      }
      
      public double getXHalfLength2()
      {
          return p("x2") / 2;
      }
      
      public double getAlpha1()
      {
          return p("alpha1");
      }
      
      public double getYHalfLength2()
      {
          return p("y2") / 2;
      }
      
      public double getXHalfLength3()
      {
          return p("x3") / 2;
      }
      
      public double getXHalfLength4()
      {
          return p("x4") / 2;
     }
     
     public double getAlpha2()
     {
         return p("alpha2") / 2;
     }
 }