* 2D_to_3D file
*   This data file is necessary when GEOMETRY(12)=4
*  NO_LAYERS *  NO_BASE_MAT_IDS * NO_LAYERS_DATA * NO_Z_DATA * COORD_ID * NO_SURFACES * EX_DIREC *
    10            4                 2              1           0           2               0
*  LAYER NO * Z_COORDINATE * DIVISION RATIO *  (NO_Z_DATA+1 data)
     1            0.0             1.0
    11            0.5           
*  When NO_LAYER_DATA =0
*  Z_COODINATES  (NO_LAYERS+1 data)
*    0.0
*    1.0
*  LAYER NO  * Z_COORDINATE * DIVISION_RATIO * 
*  BASE_MAT_IDS *  (NO_BASE_MAT_IDS data)
                       1    2    3    4  
*  LAYER_FROM * TO *  MAT_IDS * (NO_LAYERES_DATA data)
* ʂ`
           1      2     11   12    22   24
           3     10     12   12   	  0   0 
*  BASE_MAT_ID * MAT_ID * LAYER_POSITION * (NO_SURFACE data )
      1           21          1
      1           23         -3        
