2DA V2.0

      Corner1    Edge       Corner2   Height   Model
0     Space      ****       Space     0        wcc01_zc01_02x
1     Space      ****       ****      0        wcc01_zc01_02x
2     Nebula     ****       Space     0        wcc01_zc01_02x
3     Nebula     ****       Nebula    0        wcc01_zc01_02x
4     Nebula     ****       ****      0        wcc01_zc01_02x