The key of sharing land information is realizing to share the land spatial data. This paper combined the features of
the land spatial data transmission on network and the demand of rapid sharing for it. We bring in some technique ideas,
such as the MAGIS structure and Agent-P2P, and advanced the structure of sharing system based on MAGIS-P2P. Our
experiments show that, with the MAGIS-P2P being used in land management department to issue and share the land
spatial data, it can be not only more convenient for the land management department from different places to transmit
data, but also for other departments to inquire and acquire the land information in theory.
ESRI's GIS components MapObjects are applied in many cadastral information system
because of its miniaturization and flexibility. Some cadastral information was saved in cadastral
database directly by MapObjects's Shape file format in this cadastral information system. However,
MapObjects didn't provide the function of building attribute field for map layer's attribute data
file in cadastral database and user cann't save the result of analysis. This present paper designed
and realized the function of building attribute field in MapObjects based on the method of
Jackson's system development.
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