http://qkpm2ov2rjhjkhfsftskqho77uj5rewd5y44unkf6cb7tdhaxwcvh2id.onion/books/dbpf/Group%20ID%20-%20SC4D%20Encyclopaedia.html
As an example, in the TGI "AAAAAAAA BBBBBBBB CCCCCCCC", the sequence "BBBBBBBB" is the object's GID. Group IDs are used in SC4 to organize related objects of the same file type. For example, all Transit Textures have a GID of 1ABE787D. A list of all Groups, and the format of the Instance ID 's that go with them is here .