ail- 
on- 
ail- 
the 
led 
ut 
of 
he 
rk 
national railways transportation and environmental 
information database. It needs to do a lot of field in- 
vestigation work. In this research, just using a part 
of railway stations as a model, we hope to extended 
more the function of Voronoi diagram in the railway 
transportation. 
References from Journals. 
ATSUYUKI OKABE, et al., 1995. Nearest 
neighbourhood operation with generalized Voronoi 
diagrams: a review. International Journal of Geo- 
graphical Information Systems, 3. pp. 43—71. 
References from other Literature. 
Beaument, T.E. et al. , 1988. GIST. A Geograph- 
ic Information System Toolkit for Water Resource 
and Engineering Applications. In: International 
Archives of Photogrammetry and Remote Sensing , 
Kyoto, Japan, Vol. X X VI, Part B4 pp. 456 — 
469. 
T. Oshima, 1988. Automatic Road Selection from 
LANOSAT Data. In: International Archives of 
Photogrammetry and Remote Sensing, Kyoto, 
Japan, Vol. X X VI, Part B7 pp. 423— 432. 
Xie Wei, 1992. Creating an information System to 
integrate Remote Sensing Data with GIS Data for 
Railway Design. In: International Archives of Pho- 
981 
togrammetry and Remote Sensing, Washington, 
D.C. USA. Vo. XX K, Part B4 pp. 735—738. 
  
Figure 2. Voronoi diagram 
International Archives of Photogrammetry and Remote Sensing. Vol. XXXI, Part B4. Vienna 1996