Object-Oriented Design for Temporal GIS Phần 1 doc

... Introduction 1 1 .1 Object-oriented analysis and design 2 1. 2 Spatio -temporal data in GIS 3 1. 3 Time geography 5 1. 4 The spatio -temporal data model 6 1. 5 Aims of this research 7 1. 6 Organisation ... Choosing the view for a GIS 16 2.8 Time geography 16 2.9 Time geography and GIS 19 2 .10 Main elements of a space-time path 20 2 .10 .1 State as an element of t...

Ngày tải lên: 07/08/2014, 04:20

... start with Hall (19 66), Karlqvist, Lunqvist and Snickars (19 75), Lenntorp (19 76), Pred Figure 2 .11 Evidence as an element of the space-time path OBJECT-ORIENTED DESIGN FOR TEMPORAL GIS 16 2.7 CHOOSING ... configurations for a space-time path OBJECT-ORIENTED DESIGN FOR TEMPORAL GIS 24 that are responsible for the temporal connectedness’ of common existence in tim...

Ngày tải lên: 07/08/2014, 04:20

... object-oriented design. Booch’s revised design method (Booch, 19 91, 19 94) gives probably the most 2 General Object-Oriented Design method developed at NASA. 3 Hierarchical Object-Oriented Design ... made people aware of the need for spatio -temporal indexing in the GIS field. For example, Langran (19 88) pointed out spatio -temporal indexing as a temporal GIS d...

Ngày tải lên: 07/08/2014, 04:20

... uncovering different uses for GIS- based models in non-traditional applications. Burrough and Frank (19 95) draw OBJECT-ORIENTED DESIGN FOR TEMPORAL GIS 8 Chapter 4 presents the spatio -temporal data model ... summarising the efforts in the areas of object-oriented methods, temporal databases and version management approaches. The object-oriented analysis design propose...

Ngày tải lên: 07/08/2014, 04:20

... Geography and object-oriented approaches. The spatio -temporal data model offers much practical guidance, and implies the OBJECT-ORIENTED DESIGN FOR TEMPORAL GIS 46 feasibility of applying object-oriented ... delineating a conceptual configuration for designing space-time paths within the STDM; this chapter uses the second task—explanation. OBJECT-ORIENTED DESIGN FOR T...

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... generalisation, which demands procedures for line simplification (capability constraint). The Ordnance Survey uses different scales for OBJECT-ORIENTED DESIGN FOR TEMPORAL GIS 60 portraying a public boundary ... closeness to the object-oriented concepts. For example, an object will be a line representing the public boundary. Having a draft state, this line will be displayed...

Ngày tải lên: 07/08/2014, 04:20

... the available object-oriented features are distinct between them. The Magik image holds more object-oriented capabilities than a data store OBJECT-ORIENTED DESIGN FOR TEMPORAL GIS 72 Figure 5.9 ... Smallworld GIS the methods for a particular application are loaded into the VMDS using the exemplars file—a Magik source code file defining the method. OBJECT-ORIENTED DESIGN...

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... Demarcation Figure 6 .12 Execution of the update scenario—stage 4 Figure 6 .13 Execution of the update scenario—stage 5 OBJECT-ORIENTED DESIGN FOR TEMPORAL GIS 86 Smallworld GIS, there exists a ... perambulation event has occurred for the selected ground feature revolutionary state. Figure 6 .11 Execution of the update scenario—stage 3 OBJECT-ORIENTED DESIGN FOR TEMPORAL...

Ngày tải lên: 07/08/2014, 04:20

... Software Engineering, 12 (2), 211 – 21. BOOCH, G. ,19 91, Object-Oriented Design with Applications, Redwood City CA: Benjamin/ Cummings. BOOCH, G., 19 94, Object-Oriented Analysis and Design with Applications, ... Project (MacEachren et al., 19 99; Qian et al., 19 97; Wachowicz et al., 19 98). OBJECT-ORIENTED DESIGN FOR TEMPORAL GIS 10 0 The approach focuses on the in...

Ngày tải lên: 07/08/2014, 04:20

... of time 39 TEMPEST 12 temporal databases 39 temporal logic 11 time 17 absolute time 11 cyclical time 13 dimension 38 timestamp 10 relative time 13 , 16 user-defined data type 12 time change objects ... M.D., 19 93, Bibliography on spatiotemporal databases. SIGMOD Record, 17 (1) , 10 – 21. Soo, M.D., 19 91, Bibliography on temporal databases. SIGMOD Record, 20 (1) ,...

Ngày tải lên: 07/08/2014, 04:20