The detailed information about the undertaken methodology to create the geological model is covered by the book:
A digital approach
to field geology
From digital field mapping to 3D geological modeling
through online web publishing: a new methodology for
the third-millenium geologist.
by Marco Foi and Angelita De Palo
printed by LAP LAMBERT Academic Publishing
Due to web space limits, I cannot provide for direct download the CDROM containing all data structures and code samples, as stated in the 'Appendix A' of the book (page 91).
Please send me an email and I will be glad to upload the CDROM to a temporary web service for your access.