2. 3 ARCHITECTURE OF MAPKEY
USER INTERFACE
Graphic Text Color 4 color Film
Package Process Typesetting Separation Output
INFERENCE ENGINE
(Blackboard System)
Chinese | |DB1| | DB2| | KBI KB2 KBS {20 |1 us
character ^ Color
base GEQ| | Attr | |Maptype| | Mapsymbol | |Classify Assign | [Legend
Fig. 6 Architecture of MAPKEY
3. CONCLUSION tem in Map design , Auto — Carto 7. pp. 23 —
28.
(1). MAPKEY is a practical intelligent thematic 3. Muller, J. C. , Wang Zeshen, 1990. A
mapping system which represents the main ten- Knowledge Based System for Cartographic
dency of modern thematic mapping: Symbol Design, the Cartographic Journal,
(2). Experience based on MAPKEY has proved
that AI combining with mechanic and electronic 4. E uns Aes Ha ete Elements of
techniques is a powerful techniques for modern Cartography, John — Wiley & Sons, Inc,
thematic mapping. 1985.
(3). The method of Expert system has solved the 5. Zhang Wenxing, etc. 1991. A Knowledge —
problem of automatic color assignment (a long — based Approach to Thematic Mapping, Conf.
unsolved problem). of 15th ICA.
(4). Text processing, electronic typesetting and 6. Zhang Wenxing, etc. 1990. MAPKEY : A GIS
4 color separation printing can run in a same soft- — based Thematic Map Design Expert Sys-
ware system so that it embodes real “what you tem, Proc of Regional Conference On Asian
see is what you get”for color graphics text. Pacific IGU. VOL. 2,pp13—63.
7. Zhang Wenxing ‚etc. 1990, Development of A
The most important point is that ” Data is only GIS— based Expert System for Thematic Map
data, knowledge is really power” Compilation , Proc of 2nd International Work-
shop On GIS,pp562— 566.
REFERENCE 8. Zhang Wenxing,etc. 1987, MAPGEN; An
Expert System for Automatic Map Generaliza-
1. Borden D. Dent, 1985. Principles of Thematic tion, Proc. of the 13th. ICA, pp152—156.
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2. Robinson ,G. , Jackson, M. ,1987. Expert Sys-
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