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International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XXXV, Part B2. Istanbul 2004
there is no problem in the new data sets, the updating process
ends; if there are some contlicts, the conflicts will be marked.
and the operator will deal with them interactively. Based on the
above algorithm and design, the prototype system was
implemented using VC++ in ORACLE9I SPATIAL and
MAPINFO 6.5 platform.
7. CONCLUSION
(1) There are 4 kinds of land subdivision event: split, union,
reallocation and modification of the common border between
two parcels.
(2) 31 kinds of topological relations between a simple parcel
and a parcel with one hole are distinguished with an extended
4-intersection model in this paper, and 7 kinds of possible
topological relations between two parcels at the same time are
concluded.
(3) 7 kinds of change types of split event are presented in this
paper.
(4) Events-Based Incremental Updating of Cadastral Database
(EBIU-CDB) is an efficient automatic (semi-automatic)
updating approach for the Cadastral Database.
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ACKNOWLEDGMENTS
This research was supported by the National Natural Science
Foundation of China under grant No0.40025101 and
No.40171076.