e5f7d8 Keep the consistency of mesh image addr, after save operation (#380)

1 file Authored by tomosu 8 years ago , Committed by Keisuke Ogaki 8 years ago ,
    Keep the consistency of mesh image addr, after save operation (#380)
    
    * change MESH_XSHLEVEL to be isImageCompatible true

    

    * add comment and split comparison operator return into true and false