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Author : Yaolin Liu
Publisher :
ISBN 13 : 9789058086488
Total Pages : 211 pages
Book Rating : 4.0/5 (864 download)
Download or read book Categorical Database Generalization in GIS written by Yaolin Liu and published by . This book was released on 2002 with total page 211 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : J-P Lagrange
Publisher : CRC Press
ISBN 13 : 1000162702
Total Pages : 284 pages
Book Rating : 4.0/5 (1 download)
Download or read book GIS And Generalisation written by J-P Lagrange and published by CRC Press. This book was released on 2020-11-26 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt: This text is the inaugural book in Taylor and Francis's GISDATA series, and is derived from the specialist workshop convened under the auspices of the European Science Foundation's GISDATA Scientific Programme. Generalisation is an integrating tool for the analysis and presentation of spatial data. Effective spatial data analysis requires multiple views of the world at various scales with different thematic layers of representation. Generalisation is a key mechanism in this process, as it filters out information which is required for particular scales or layers; hence it is critical to implement full and comprehensive generalisation capabilities in a GIS, something with which few current GIS are equipped.; This book overviews the core and as-yet unresolved issues surrounding the achievement of this goal, and presents various alternatives - both speculative views and practical examples - in the areas of automated generalisation, vis-a-vis problems such as object simplification and placement. At the same time it distinguishes between modelling with generalisation and graphical representation, and adopts a model-building perspective. It also describes artificial intelligence techniques for implementing automated generalised routines, and addresses issues of data quality and production.; The text is organized into six parts: an introduction; generic issue; object-orientated methods and knowledge-based modelling; knowledge acquisition and representation; data quality; and operation and implementation.
Author : Haowen Yan
Publisher : Springer
ISBN 13 : 9811336784
Total Pages : 228 pages
Book Rating : 4.8/5 (113 download)
Download or read book Description Approaches and Automated Generalization Algorithms for Groups of Map Objects written by Haowen Yan and published by Springer. This book was released on 2019-01-04 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on the generalization of map features, providing descriptions and classifying groups of map objects into six categories: point clusters, groups of contours, road networks, river networks, continuous areal features and discrete areal features. Discussing the methods and algorithms in map generalization in equal measure, it also describes the approaches for describing map features. The book is a valuable reference for graduates and researchers who are interested in cartography and geographic information science/systems, especially those in automated map generalization and spatial databases construction.
Author : M. Molenaar
Publisher :
ISBN 13 :
Total Pages : 84 pages
Book Rating : 4.F/5 ( download)
Download or read book Methods for the Generalization of Geo-databases written by M. Molenaar and published by . This book was released on 1996 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John W. N. Smaalen
Publisher :
ISBN 13 :
Total Pages : 114 pages
Book Rating : 4.F/5 ( download)
Download or read book Automated Aggregation of Geographic Objects written by John W. N. Smaalen and published by . This book was released on 2003 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Peter Atkinson
Publisher : CRC Press
ISBN 13 : 0203484878
Total Pages : 289 pages
Book Rating : 4.2/5 (34 download)
Download or read book GIS and GeoComputation written by Peter Atkinson and published by CRC Press. This book was released on 2000-06-21 with total page 289 pages. Available in PDF, EPUB and Kindle. Book excerpt: Geographic Information Systems are computer-based systems for geographic analysis. They have been developed over the past twenty five years and are now widely used. A recent research direction has been the development of geocomputation , representing computer-based geographical analysis beyond the traditional bounds of GIS. In geocomputation, the computer is the research environment itself, not merely a tool. A key to geocomputation it that highly powered computing can be used with sufficient data to avaid traditional parametric approaches altogether. The term geocomputation includes the use of computer-based techniques such as artificial neural networks, genetic programming and fuzzy logic, but in a geographical context. This new book in the prestigious Innovations in GIS series, presents the latest research in geocomputational techniques as presented in the GIS UK Annual Conference.
Author : Wanning Peng
Publisher : Itc
ISBN 13 : 9789061641346
Total Pages : 188 pages
Book Rating : 4.6/5 (413 download)
Download or read book Automated Generalization in GIS written by Wanning Peng and published by Itc. This book was released on 1997-01-01 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : William A. Mackaness
Publisher : Elsevier
ISBN 13 : 0080524745
Total Pages : 387 pages
Book Rating : 4.0/5 (85 download)
Download or read book Generalisation of Geographic Information written by William A. Mackaness and published by Elsevier. This book was released on 2011-07-28 with total page 387 pages. Available in PDF, EPUB and Kindle. Book excerpt: Theoretical and Applied Solutions in Multi Scale Mapping Users have come to expect instant access to up-to-date geographical information, with global coverage--presented at widely varying levels of detail, as digital and paper products; customisable data that can readily combined with other geographic information. These requirements present an immense challenge to those supporting the delivery of such services (National Mapping Agencies (NMA), Government Departments, and private business. Generalisation of Geographic Information: Cartographic Modelling and Applications provides detailed review of state of the art technologies associated with these challenges, including the most recent developments in cartometric analysis techniques able to support high levels of automation among multi scale derivation techniques. The book illustrates the application of these ideas within existing and emerging technologies. In addition to providing a comprehensive theoretical underpinning, the book demonstrates how theoretical developments have translated into commercial systems deployed within NMAs. The book explores relevance of open systems in support of collaborative research and open source web based map services. State of the art review on multi scale representation techniques Detailed consideration of database requirements and object modeling in support of emerging applications (3D, mobile) and innovative delivery (map generalisation services) Illustration through existing map production environment implementations Consolidated bibliography (680 entries), 200 illustrations, author and subject index
Author : Elsa Joao
Publisher : CRC Press
ISBN 13 : 1000162818
Total Pages : 292 pages
Book Rating : 4.0/5 (1 download)
Download or read book Causes And Consequences Of Map Generalization written by Elsa Joao and published by CRC Press. This book was released on 2020-11-26 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt: This text describes late-1990s understanding of map generalisation in the context of paper maps and GIS. Its particular value should be in helping to further automate and measure the process of map generalisation.; The research has concentrated on quantifying generalisation effects and on analysing how these effects of generalisation locked into the maps were measured. Elsa Joao's book covers the background to the problems of map generlasation; the methodology developed by the author to investigate the consequences of the map generalisation; a detailed description of results, and a conclusion that draws together consequences for the broader applications to GIS.
Author : Haowen Yan
Publisher : Springer
ISBN 13 : 3319097431
Total Pages : 204 pages
Book Rating : 4.3/5 (19 download)
Download or read book Spatial Similarity Relations in Multi-scale Map Spaces written by Haowen Yan and published by Springer. This book was released on 2014-10-10 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt: How does one determine how similar two maps are? This book aims at the theory of spatial similarity relations and its application in automated map generalization, including the definitions, classification and features of spatial similarity relations. Included also are calculation models of spatial similarity relations between arbitrary individual objects and between arbitrary object groups, and the application of the theory in the automation of the algorithms and procedures in map generalization.
Author : Michael F. Goodchild
Publisher : CRC Press
ISBN 13 : 0203490231
Total Pages : 207 pages
Book Rating : 4.2/5 (34 download)
Download or read book The Accuracy Of Spatial Databases written by Michael F. Goodchild and published by CRC Press. This book was released on 1989-12-01 with total page 207 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book addresses the problem of accuracy of spatial databases, and comprises of papers drawn from a wide range of physical and human systems, taking approaches which vary from statistical to descriptive. Together they present both a comprehensive review of existing knowledge, techniques and experience, and an analysis of critical research needs in this area of spatial data handling.
Author : Tiina Kilpeläinen
Publisher :
ISBN 13 :
Total Pages : 244 pages
Book Rating : 4.3/5 ( download)
Download or read book Multiple Representation and Generalization of Geo-databases for Topographic Maps written by Tiina Kilpeläinen and published by . This book was released on 1997 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Marinos Kavouras
Publisher : CRC Press
ISBN 13 : 1420004670
Total Pages : 340 pages
Book Rating : 4.4/5 (2 download)
Download or read book Theories of Geographic Concepts written by Marinos Kavouras and published by CRC Press. This book was released on 2007-12-20 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt: Most widely available approaches to semantic integration provide ad-hoc, non-systematic, subjective manual mappings that lead to procrustean amalgamations to fit the target standard, an outcome that pleases no one. Written by experts in the field, Theories of Geographic Concepts: Ontological Approaches to Semantic Integration emphasizes the
Author :
Publisher :
ISBN 13 :
Total Pages : 296 pages
Book Rating : 4.3/5 (91 download)
Download or read book Cartography and Geographic Information Systems written by and published by . This book was released on 1998 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : A. Strantzalis
Publisher :
ISBN 13 :
Total Pages : 79 pages
Book Rating : 4.:/5 (11 download)
Download or read book Criterion-based Generalization of Raster Categorical Maps written by A. Strantzalis and published by . This book was released on 2014 with total page 79 pages. Available in PDF, EPUB and Kindle. Book excerpt: This research deals with a fundamental issue of Geo-information science, that of cartographic generalization and more specifically with the generalization of raster categorical data. Map generalization is the process that reduces and simplifies the details of the map; is performed mainly for visualization purposes, when a map is converted from a fine to a coarse scale / resolution. However, during the generalization process the information and quality of the map are also reduced and errors are introduced. The challenge is to apply generalization in a way that optimizes the generalization objectives. Four generalization criteria were used, regarding the size and shape of the map entities, as well as the maintenance of the semantics and the proportion of the categorical classes. In order to obtain a generalized map that minimizes the weighted sum of the individual generalization criteria, the Simulated Annealing (SA) optimization algorithm was used.
Author : Dianne Richardson
Publisher : Springer Science & Business Media
ISBN 13 : 3642560946
Total Pages : 584 pages
Book Rating : 4.6/5 (425 download)
Download or read book Advances in Spatial Data Handling written by Dianne Richardson and published by Springer Science & Business Media. This book was released on 2013-04-17 with total page 584 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book, entitled Advances in Spatial Data Handling, is a compendium of papers resulting from the International Symposium on Spatial Data Handling (SDH), held in Ottawa, Canada, July 9-12, 2002. The SDH conference series has been organised as one of the main activities of the International Geographical Union (IGU) since it was first started in Zurich in 1984. In the late 1990’s the IGU Commission of Geographic Information Systems was discontinued and a study group was formed to succeed it in 1997. Much like the IGU Commission, the objectives of the Study Group are to create a network of people and research centres addressing geographical information science and to facilitate exchange of information. The International Symposium on Spatial Data Handling, which is the most important activity of the IGU Study Group, has, throughout its 18 year history been highly regarded as one of the most important GIS conferences in the world.
Author : Daniel R. Montello
Publisher : Springer
ISBN 13 : 3540454241
Total Pages : 517 pages
Book Rating : 4.5/5 (44 download)
Download or read book Spatial Information Theory: Foundations of Geographic Information Science written by Daniel R. Montello and published by Springer. This book was released on 2003-06-30 with total page 517 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 5th International Conference on Spatial Information Theory, COSIT 2001, took place at the Inn at Morro Bay, California, USA, September 19 23, 2001. COSIT grew out of a series of workshops/NATO Advanced Study Institutes/NSF Specialist Meetings during the 1990s concerned with theoretical and applied aspects of representing large scale space, particularly geographic or environmental space (this history is elaborated in the prefaces of previous COSIT proceedings). These are spaces in which (and on which) human action takes place, and which are represented and processed in digital geographic information systems. In these early meetings, the need for well founded theories of spatial information representation and processing was identified, particularly theories based on cognition and on computation. This concern for theory provided an early foundation for the newly emerging field of geographic information science. COSIT is not backed by any particular scientific society but is organized as an independent enterprise. The conference series was established in 1993 as an interdisciplinary biennial European conference on the representation and processing of large scale spatial information after a successful international conference on the topic had been organized by Andrew Frank et al. in Pisa in 1992 (frequently referred to as "COSIT 0"). After two successful European COSIT conferences with strong North American participation (COSIT ’93: Island of Elba, Italy; COSIT ’95: Semmering, Austria), COSIT ’97 moved across the pond to the United States, and was held in the Laurel Highlands, Pennsylvania.
