.Object-Oriented Design for Temporal GIS Phần 6 pps

Ngày tải lên: 11/07/2014, 16:20

Ngày tải lên: 13/07/2014, 10:22

Ngày tải lên: 05/08/2014, 14:20

... 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 the...

Ngày tải lên: 07/08/2014, 04:20

... 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. Chapter ... best-worked-out notation and technique for integrating the time geography framework into our spatio -temporal data model. OBJECT-ORIENTED DESIGN FOR TEMPORAL GIS 10 cont...

Ngày tải lên: 07/08/2014, 04:20

... 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 ... 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 that we ‘have (f...

Ngày tải lên: 07/08/2014, 04:20

... temporal GIS design trade-off, in order to define how to control the volume of spatio -temporal data required in an application within a GIS. To achieve spatio- temporal indexing for a temporal GIS, ... temporal research in databases, and it has made people aware of the need for spatio -temporal indexing in the GIS field. For example, Langran (1988) pointed out spatio...

Ngày tải lên: 07/08/2014, 04:20

... a conceptual configuration for designing space-time paths within the STDM; this chapter uses the second task—explanation. OBJECT-ORIENTED DESIGN FOR TEMPORAL GIS 56 constituency areas. Approximately ... of public boundaries forms an irregular tessellation of polygons that represent the whole hierarchy of local government and European OBJECT-ORIENTED DESIGN FOR TEMPORAL GI...

Ngày tải lên: 07/08/2014, 04:20

... PUBLIC BOUNDARIES EVOLUTION 67 Figure 5.5 The interaction diagram for the public boundary entry scenario OBJECT-ORIENTED DESIGN FOR TEMPORAL GIS 66 within the system, which have been ... generalisation, which demands procedures for line simplification (capability constraint). The Ordnance Survey uses different scales for OBJECT-ORIENTED DESIGN FOR TEMPORAL GIS 60...

Ngày tải lên: 07/08/2014, 04:20

... 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 FOR TEMPORAL GIS 76 of ... 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—dema...

Ngày tải lên: 07/08/2014, 04:20

... 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 records of the Assumption class ... 2 OBJECT-ORIENTED DESIGN FOR TEMPORAL GIS 84 right) represents the assumption event involved in the creation of a space-time path. It shows the properties previou...

Ngày tải lên: 07/08/2014, 04:20

... Project (MacEachren et al., 199 9; Qian et al., 199 7; Wachowicz et al., 199 8). OBJECT-ORIENTED DESIGN FOR TEMPORAL GIS 100 The approach focuses on the integration of GVis, GIS and data mining operations ... developed independently. Research in temporal database design (Al-Taha, Snodgrass and Soo, 199 4; Snodgrass, Al-Taha and Soo, 199 3; Tansel et al., 199 3; Soo, 199 1) has...

Ngày tải lên: 07/08/2014, 04:20

... mining and GVis for exploring spatio -temporal data, Proceedings ofGISRUK’98. WASSERMAN, A.I., PIRCHER, P.A. and MULLER, R.J., 1990, The object-oriented structure design for software design representation. ... Qualitative temporal reasoning in GIS ordered time scales, Proceedings of the SDH’94 Conference, Vol. 1, pp. 410 30. GARDELS, K., 1992, SEQUOIA 2000: new geographic informat...

Ngày tải lên: 07/08/2014, 04:20

... no extra equipment. Large initiatives to reinforce research and development in mobile and wireless communications, mobile services and applications also exist: e.g. the Euro- pean technology ... station and then 69 ), and they can fluently zoom in and out from one place to another (Hakaniemi, Malmi station). Verbal grounding of information takes place by refer- ences to...

Ngày tải lên: 08/08/2014, 01:20

... of design loads and are to be compared with the design strengths of the material in compression and shear. The design of the beam would be carried out in accordance with the relevant code of practice. 8.2 ... introduced by Wood for design purposes and M p is the effective plastic moment given by Z σ y / ␥ ms . For design purposes the design strength must be equal to or gr...

Ngày tải lên: 08/08/2014, 01:20