Review of spatial-database system usability: Recommendations for the ADDNS Project
نویسندگان
چکیده
....... ................................................................................................................................. i Résumé ........ ................................................................................................................................... i Executive summary ....................................................................................................................... iii Sommaire ....................................................................................................................................... iv Table of contents .......................................................................................................................... vii List of figures ................................................................................................................................ ix List of tables ................................................................................................................................... x 1.... Introduction.............................................................................................................................. 1 2....Background information ........................................................................................................... 2 2.1 GIS and data .................................................................................................................. 2 2.2 Data models and feature representation......................................................................... 3 2.2.1 Spatial data structure ....................................................................................... 3 2.2.1.1 Vector data.................................................................................... 3 2.2.1.2 Raster data .................................................................................... 3 2.2.1.3 Digital-elevation data ................................................................... 3 2.2.2 Spatial data models ......................................................................................... 4 2.2.2.1 Field-class data model .................................................................. 4 2.2.2.2 Object-class data model................................................................ 4 2.3 Spatial-database design principles................................................................................. 4 2.3.1 Conceptual design ........................................................................................... 5 2.3.2 Logical design ................................................................................................. 5 2.3.3 Physical design................................................................................................ 5 2.4 Database concepts ......................................................................................................... 6 2.5 Database types ............................................................................................................... 6 2.5.1 Relational database model............................................................................... 6 2.5.2 Object-oriented database model ...................................................................... 6 2.5.2.1 Meta-data description language.................................................... 7 2.5.2.2 Automatic generation of efficient data ......................................... 7 3....Functionality analysis of major GIS products .......................................................................... 8 3.1 ERDAS IMAGINE........................................................................................................ 9 3.2 Geomatica.................................................................................................................... 10 3.3 ESRI ArcGIS ............................................................................................................... 10 4....Database system and design requirements.............................................................................. 12 4.1 Oracle Spatial .............................................................................................................. 12 4.2 Microsoft SQL Server ................................................................................................. 13 4.3 IBM Informix Dynamic Server ................................................................................... 13
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