Object-Oriented Design for Temporal GIS Phần 3 docx

... entity to its Figure 2.6 Possible configurations for a space-time path OBJECT-ORIENTED DESIGN FOR TEMPORAL GIS 24 that are responsible for the temporal connectedness’ of common existence in time. Hägerstrand ... Pred Figure 2.11 Evidence as an element of the space-time path OBJECT-ORIENTED DESIGN FOR TEMPORAL GIS 16 2.7 CHOOSING THE VIEW FOR A GIS Harvey argues th...

Ngày tải lên: 07/08/2014, 04:20

... 25 3 Object-oriented analysis and design 27 3. 1 History of the object-oriented paradigm 27 3. 2 Choosing an object-oriented method 32 3. 3 The main modelling constructs 36 3. 4 Temporal databases 39 3. 5 ... 57 5.2 Evolution in definition 61 5 .3 Four main scenarios 63 5 .3. 1 Public boundary entry scenario 64 5 .3. 2 Evolution tracking scenario 68 5 .3. 3 Update scenar...

Ngày tải lên: 07/08/2014, 04:20

... draw OBJECT-ORIENTED DESIGN FOR TEMPORAL GIS 8 Chapter 4 presents the spatio -temporal data model based on time geography and object orientation concepts previously described in Chapters 2 and 3. ... preference for a discrete time Table 2.1 Main characteristics of the space-dominant view. INTRODUCTION 3 readers with a solid understanding of the object-oriented paradigm for...

Ngày tải lên: 07/08/2014, 04:20

... object-oriented design. Booch’s revised design method (Booch, 1991, 1994) 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 (1988) pointed out spatio -temporal indexing as a temporal GIS desig...

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... 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 ... conceptual configuration for designing space-time paths within the STDM; this chapter uses the second task—explanation. OBJECT-ORIENTED DESIGN FOR TEMPORAL GIS...

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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 ... This OBJECT-ORIENTED DESIGN FOR TEMPORAL GIS 68 5 .3. 2 Evolution tracking scenario The main role of the evolution tracking scenario is to assign an order amon...

Ngày tải lên: 07/08/2014, 04:20

... between them. The Magik image holds more object-oriented capabilities than a data store OBJECT-ORIENTED DESIGN FOR TEMPORAL GIS 72 Figure 5.9 The interaction diagram for the evolution tracking scenario—demarcation ... 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...

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... 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 join relationship between the ... 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 TEM...

Ngày tải lên: 07/08/2014, 04:20

... J.F., 19 83, Maintaining knowledge about temporal intervals. Communications of the ACM, 26, 832 – 43. AL-TAHA, K.K. and BARRERA, R., 1990, Temporal data and GIS: an overview. Proceedings of the GIS/ LIS’90 ... Wachowicz et al., 1998). OBJECT-ORIENTED DESIGN FOR TEMPORAL GIS 100 The approach focuses on the integration of GVis, GIS and data mining operations in the context of...

Ngày tải lên: 07/08/2014, 04:20

... method 33 –9 dynamic model 33 logical model 33 physical model 33 static model 33 boundary changes in position natural changes 60 man-made alterations 60 attachment 60 boundary commission 58, 83 boundary ... analysis methods 31 object-oriented analysis and design methods 32 choosing a method 32 literature review 27 main modelling constructs 36 object-oriented database sys...

Ngày tải lên: 07/08/2014, 04:20