Gis And Generalisation

Author : J-P Lagrange,R Weibel,Jean-Claude Muller
Publisher : CRC Press
Page : 284 pages
File Size : 55,9 Mb
Release : 2020-11-26
Category : Technology & Engineering
ISBN : 9781000162707

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GIS And Generalisation by J-P Lagrange,R Weibel,Jean-Claude Muller Pdf

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 : J-P Lagrange,R Weibel,Jean-Claude Muller
Publisher : CRC Press
Page : 0 pages
File Size : 51,6 Mb
Release : 1995-04-20
Category : Technology & Engineering
ISBN : 0748403191

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GIS And Generalisation by J-P Lagrange,R Weibel,Jean-Claude Muller Pdf

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 : J-P Lagrange,R Weibel,Jean-Claude Muller
Publisher : CRC Press
Page : 276 pages
File Size : 49,5 Mb
Release : 2020-11-25
Category : Technology & Engineering
ISBN : 9781000124019

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GIS And Generalisation by J-P Lagrange,R Weibel,Jean-Claude Muller Pdf

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 : William A. Mackaness,Anne Ruas,L. Tiina Sarjakoski
Publisher : Elsevier
Page : 386 pages
File Size : 50,7 Mb
Release : 2011-07-28
Category : Science
ISBN : 0080524745

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Generalisation of Geographic Information by William A. Mackaness,Anne Ruas,L. Tiina Sarjakoski Pdf

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
Page : 292 pages
File Size : 53,6 Mb
Release : 2020-11-26
Category : Technology & Engineering
ISBN : 9781000162813

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Causes And Consequences Of Map Generalization by Elsa Joao Pdf

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 : Wanning Peng
Publisher : Itc
Page : 188 pages
File Size : 48,8 Mb
Release : 1997-01-01
Category : Database design
ISBN : 9061641349

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Automated Generalization in GIS by Wanning Peng Pdf

Author : Robert Brainerd McMaster,K. Stuart Shea
Publisher : Assn of Amer Geographers
Page : 134 pages
File Size : 40,9 Mb
Release : 1992
Category : Political Science
ISBN : 089291209X

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Generalization in Digital Cartography by Robert Brainerd McMaster,K. Stuart Shea Pdf

This monograph is part of the Resource Publications in Geography Series of the Association of American Geographers. It describes the many issues & problems associated with representing cartographic features on maps as the scale of the map changes. The first two chapters of the book discuss the graphic problems associated with scale change & give a history of map generalization. A set of maps, at different scales, is used to illustrate the conceptual & technical problems of generalization. The third chapter presents a conceptual model for the cartographic generalization process within a digital environment. The generalization process described answers the questions why we generalize, when to generalize & how to generalize. The fourth & fifth chapters identify & describe the basic operators & algorithms used in map generalization for both the vector & raster data models of feature representation. The final chapter reviews current activities & future research directions including the application of expert systems, neural networks & advanced user interfaces for developing a newer generation of generalization software.

Author : Dirk Burghardt,Cécile Duchêne,William Mackaness
Publisher : Springer
Page : 412 pages
File Size : 46,6 Mb
Release : 2014-07-08
Category : Science
ISBN : 9783319002033

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Abstracting Geographic Information in a Data Rich World by Dirk Burghardt,Cécile Duchêne,William Mackaness Pdf

Research in the field of automated generalisation has faced new challenges in recent years as a result of technological developments in web-based processing, new visualisation paradigms and access to very large volumes of multi-source data generated by sensors and humans. In these contexts, map generalisation needs to underpin ‘on-demand mapping’, a form of mapping that responds to individual user requirements in the thematic selection and visualisation of geographic information. It is this new impetus that drives the research of the ICA Commission on Generalisation and Multiple Representation (for example through its annual workshops, biannual tutorials and publications in international journals). This book has a coherent structure, each chapter focusing on core concepts and tasks in the map generalisation towards on-demand mapping. Each chapter presents a state-of-the-art review, together with case studies that illustrate the application of pertinent generalisation methodologies. The book addresses issues from data gathering to multi scaled outputs. Thus there are chapters devoted to defining user requirements in handling specifications, and in the application and evaluation of map generalisation algorithms. It explores the application of generalisation methodologies in the context of growing volumes of data and the increasing popularity of user generated content.

Author : Shashi Shekhar,Hui Xiong
Publisher : Springer Science & Business Media
Page : 1392 pages
File Size : 47,6 Mb
Release : 2007-12-12
Category : Computers
ISBN : 9780387308586

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Encyclopedia of GIS by Shashi Shekhar,Hui Xiong Pdf

The Encyclopedia of GIS provides a comprehensive and authoritative guide, contributed by experts and peer-reviewed for accuracy, and alphabetically arranged for convenient access. The entries explain key software and processes used by geographers and computational scientists. Major overviews are provided for nearly 200 topics: Geoinformatics, Spatial Cognition, and Location-Based Services and more. Shorter entries define specific terms and concepts. The reference will be published as a print volume with abundant black and white art, and simultaneously as an XML online reference with hyperlinked citations, cross-references, four-color art, links to web-based maps, and other interactive features.

Author : Chris B. Jones
Publisher : Routledge
Page : 630 pages
File Size : 47,9 Mb
Release : 2014-05-01
Category : Science
ISBN : 9781317900252

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Geographical Information Systems and Computer Cartography by Chris B. Jones Pdf

A concise text presenting the fundamental concepts in Geographical Information Systems (GIS), emphasising an understanding of techniques in management, analysis and graphic display of spatial information. Divided into five parts - the first part reviews the development and application of GIS, followed by a summary of the characteristics and representation of geographical information. It concludes with an overview of the functions provided by typical GIS systems. Part Two introduces co-ordinate systems and map projections, describes methods for digitising map data and gives an overview of remote sensing. Part Three deals with data storage and database management, as well as specialised techniques for accessing spatial data. Spatial modelling and analytical techniques for decision making form the subject of Part Four, while the final part is concerned with graphical representation, emphasising issues of graphics technology, cartographic design and map generalisation.

Author : Yaolin Liu
Publisher : Unknown
Page : 211 pages
File Size : 43,9 Mb
Release : 2002
Category : Geographic information systems
ISBN : 9058086488

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Categorical Database Generalization in GIS by Yaolin Liu Pdf

Author : Peter Atkinson
Publisher : CRC Press
Page : 289 pages
File Size : 54,7 Mb
Release : 2000-03-30
Category : Technology & Engineering
ISBN : 9781482268263

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GIS and GeoComputation by Peter Atkinson Pdf

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, th

Author : Roland Billen,Elsa Joao,David Forrest
Publisher : CRC Press
Page : 347 pages
File Size : 40,5 Mb
Release : 2006-11-10
Category : Science
ISBN : 9781420008609

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Dynamic and Mobile GIS by Roland Billen,Elsa Joao,David Forrest Pdf

With the widespread use of PDAs, wireless internet, Internet-based GIS, and 3G and 4G telecommunications, the technology supporting mobile GIS is rapidly gaining popularity and effectiveness. Dynamic and Mobile GIS: Investigating Changes in Space and Time addresses Web GIS, mobile GIS, and the modeling, processing, and representation of dynamic eve

Author : M. Molenaar
Publisher : Unknown
Page : 84 pages
File Size : 48,9 Mb
Release : 1996
Category : Database design
ISBN : STANFORD:36105029696825

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Methods for the Generalization of Geo-databases by M. Molenaar Pdf

Author : University Consortium for Geographic Information Science,Model Curricula Task Force,Body of Knowledge Advisory Board
Publisher : Unknown
Page : 0 pages
File Size : 49,6 Mb
Release : 2006
Category : Education
ISBN : 0892912677

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Geographic Information Science and Technology Body of Knowledge by University Consortium for Geographic Information Science,Model Curricula Task Force,Body of Knowledge Advisory Board Pdf