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Database requirements for generalisation and multiple representations / Sébastien Mustière (01/01/2007)
Titre : Database requirements for generalisation and multiple representations Type de document : Chapitre/Contribution Auteurs : Sébastien Mustière , Auteur ; J.W.N. van Smaalen, Auteur Editeur : Amsterdam [Pays Bas] : Elsevier Année de publication : 01/01/2007 Importance : pp 113 - 136 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Bases de données localisées
[Termes IGN] approche hiérarchique
[Termes IGN] classe d'objets
[Termes IGN] MADS
[Termes IGN] modèle conceptuel de données localisées
[Termes IGN] modèle entité-association
[Termes IGN] modèle orienté objet
[Termes IGN] modèle topologique de données
[Termes IGN] objet géographique
[Termes IGN] représentation multiple
[Termes IGN] structure hiérarchique de donnéesRésumé : (Auteur) In this chapter, database requirements for generalisation and multiple representations are pre-sented. In particular the paper focuses on modelling requirements. Some general concepts in the field of databases are reviewed before elaboration on the modelling of geographical databases and discussion of the modelling of multiple representations for geographical databases. The chap-ter stresses the requirements for efficiently modelling data before and during the generalisation process. The reader will first encounter a description of the basic notions of model, schema and objects. Then geographic modelling and multiple representation will be described through the ex-ample of the MADS model. A discussion is presented on the different requirements for modelling multiple representations (1) during the generalisation process, or (2) to store the generalisation result, or (3) to perform the integration of independent databases. Then the meaning and role of topology, composite objects and hierarchies will be emphasised in the requirements for generalisation, with aggregation taken as an important example to illustrate this process. Numéro de notice : H2007-002 Affiliation des auteurs : IGN+Ext (1940-2011) Thématique : GEOMATIQUE/INFORMATIQUE Nature : Chapître / contribution Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=65894 Engineering surveying / Wilf Schofield (2007)
Titre : Engineering surveying Type de document : Guide/Manuel Auteurs : Wilf Schofield (1933 - 2006), Auteur ; Mark Breach, Auteur Mention d'édition : 6th edition Editeur : Amsterdam [Pays Bas] : Elsevier Année de publication : 2007 Importance : 622 p. Format : 19 x 25 cm ISBN/ISSN/EAN : 978-0-7506-6949-8 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Topographie
[Termes IGN] centrale inertielle
[Termes IGN] lever topographique
[Termes IGN] mesurage de distances
[Termes IGN] photogrammétrie terrestre
[Termes IGN] positionnement par EGNOS
[Termes IGN] positionnement par Galileo
[Termes IGN] positionnement par GLONASS
[Termes IGN] positionnement par GPS
[Termes IGN] système de coordonnées
[Termes IGN] télémètre laser terrestreIndex. décimale : 32.00 Topographie - généralités Résumé : (Editeur) Engineering surveying involves determining the position of natural and man-made features on or beneath the Earth's surface and utilizing these features in the planning, design and construction of works. It is a critical part of any engineering project. Without an accurate understanding of the size, shape and nature of the site the project risks expensive and time-consuming errors or even catastrophic failure. Engineering Surveying 6th edition covers all the basic principles and practice of this complex subject and the authors bring expertise and clarity. Previous editions of this classic text have given readers a clear understanding of fundamentals such as vertical control, distance, angles and position right through to the most modern technologies, and this fully updated edition continues that tradition. This sixth edition includes : - An introduction to geodesy to facilitate greater understanding of satellite systems - A fully updated chapter on GPS, GLONASS and GALILEO for satellite positioning in surveying - All new chapter on the important subject of rigorous estimation of control coordinates - Detailed material on mass data methods of photogrammetry and laser scanning and the role of inertial technology in them. With many worked examples and illustrations of tools and techniques, Engineering Surveying is essential reading for students and professionals alike involved in surveying, civil, structural and mining engineering, and related areas such as geography and mapping. Note de contenu : - Basic concepts of surveying
- Error and uncertainty
- Vertical control
- Distance measurement
- Angles measurement
- Conventional control surveys
- Rigorous methods of control
- Position
- Satellite positioning
- Curves
- Earthworks
- Setting out (dimensional control)
- Underground surveying
- Mass data methodsNuméro de notice : 20273 Affiliation des auteurs : non IGN Thématique : POSITIONNEMENT Nature : Manuel Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=46708 Réservation
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Code-barres Cote Support Localisation Section Disponibilité 20273-01 32.00 Livre Centre de documentation Topographie Disponible 20273-02 DEP-ELG Livre Marne-la-Vallée Dépôt en unité Exclu du prêt Evaluation in the map generalisation process / William A Mackaness (01/01/2007)
Titre : Evaluation in the map generalisation process Type de document : Chapitre/Contribution Auteurs : William A Mackaness, Auteur ; Anne Ruas , Auteur Editeur : Amsterdam [Pays Bas] : Elsevier Année de publication : 01/01/2007 Importance : pp 89 - 111 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Termes IGN] AGENT
[Termes IGN] analyse spatiale
[Termes IGN] évaluation
[Termes IGN] généralisation automatique de données
[Termes IGN] prise en compte du contexte
[Termes IGN] raisonnement
[Vedettes matières IGN] GénéralisationRésumé : (Auteur) In this chapter we discuss the nature of evaluation in the context of automated solutions to map generalisation and highlight the challenges of defining evaluation criteria. Considerable progress has been made in defining and incorporating evaluation criteria in systems that generalise maps over moderately small changes in scale. We seek to give an idealised view of how evaluation methodologies might be incorporated into generalisation systems. Examples are given that illus-trate these ideas. For larger changes in scale, it will be necessary to evolve these techniques, and incorporate evaluation techniques linked to pattern analysis and a more synoptic evaluation of the success of the design solution overall. The chapter highlights the challenges of developing and prioritising evaluation criteria, and where in the process they can be applied. Given the complexity of the task it is important to consider the role of the human in the evaluation process. Numéro de notice : H2007-001 Affiliation des auteurs : IGN+Ext (1940-2011) Thématique : GEOMATIQUE/INFORMATIQUE Nature : Chapître / contribution Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=65893 Generalisation of geographic information / William A Mackaness (2007)
Titre : Generalisation of geographic information : Cartographic modelling and applications Type de document : Monographie Auteurs : William A Mackaness, Éditeur scientifique ; L. Tiina Sarjakoski, Éditeur scientifique ; Anne Ruas , Éditeur scientifique Mention d'édition : 1 Editeur : Amsterdam [Pays Bas] : Elsevier Année de publication : 2007 Importance : 370 p. Format : 17 x 25 cm ISBN/ISSN/EAN : 978-0-08-045374-3 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Termes IGN] généralisation cartographique automatisée
[Termes IGN] GPS assisté pour la navigation (technologies)
[Termes IGN] information cartographique
[Termes IGN] information géographique
[Termes IGN] représentation multiple
[Termes IGN] système d'information géographique
[Termes IGN] temps réel
[Vedettes matières IGN] GénéralisationRésumé : (Editeur) 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.Note de contenu : Preface.
1. Understanding Geographic Space (W.A. Mackaness).
2. Conceptual Models of Generalisation and Multiple Representation (L.T. Sarjakoski).
3. A Synoptic View of Generalisation Operators (N. Regnauld, R.B. McMaster).
4. Modelling the Overall Process of Generalisation (L. Harrie, R.Weibel).
5. Evaluation in the Map Generalisation Process (W.A. Mackaness, A. Ruas).
6. Databases Requirements for Generalisation and Multiple Representations (S. Mustière, J. van Smaalen).
7. A Real-Time Generalisation and Map Adaptation Approach for Location-Based Services (T. Sarjokoski , L.T. Sarjokoski).
8. Experiments in building an open generalisation system (A. Edwardes, D. Burghardt, M. Neun).
9. A data warehouse strategy for on-demand multiscale mapping (E. Bernier, Y. Bédard).
10. Relevance of Generalisation to the Extraction and Communication of Wayfinding Information (M. Sester, B. Elias).
11. 3D Building Generalisation (L. Meng, A. Forberg).
12. Characterising space via pattern recognition techniques: Identifying patterns in road networks (F. Heinzle, K-H. Anders).
13. Generalisation of Geographical Networks (R. Thomson, R. Brooks).
14. A Prototype of Generalisation based on the Multi-Agent System Paradigm (A. Ruas, C. Duchêne).
15. Managing Generalisation Updates in IGN Map Production (F. Lecordix, C. Lemarié).
16. Automated generalisation in a map production environment – the KMS Experience (P. West- Nielsen, M. Meyer).
17. Observations and Research Challenges in Map Generalisation and Multiple Representation (W.A. Mackaness, A. Ruas, L.T. Sarjakoski).Numéro de notice : 21298 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE/INFORMATIQUE Nature : Monographie Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=55735 Contient
- Observations and research challenges in map generalisation and multiple representation / William A Mackaness (01/01/2007)
- Managing generalisation updates in IGN map production / François Lecordix (01/01/2007)
- A prototype generalisation system based on the multi-agent system paradigm / Cécile Duchêne (01/01/2007)
- Database requirements for generalisation and multiple representations / Sébastien Mustière (01/01/2007)
- Evaluation in the map generalisation process / William A Mackaness (01/01/2007)
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Code-barres Cote Support Localisation Section Disponibilité 21298-01 37.10 Livre Centre de documentation Géomatique Disponible 21298-02 DEP-TRS Livre LASTIG Dépôt en unité Exclu du prêt Managing generalisation updates in IGN map production / François Lecordix (01/01/2007)
Titre : Managing generalisation updates in IGN map production Type de document : Chapitre/Contribution Auteurs : François Lecordix , Auteur ; Cécile Lemarié , Auteur Editeur : Amsterdam [Pays Bas] : Elsevier Année de publication : 01/01/2007 Importance : 16 p. ; pp 285 - 300 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Termes IGN] 1:100.000
[Termes IGN] base de données cartographiques
[Termes IGN] base de données dérivée
[Termes IGN] BD TOP 100
[Termes IGN] conflit d'espace
[Termes IGN] généralisation de réseaux
[Termes IGN] Institut géographique national (France)
[Termes IGN] mise à jour de base de données
[Termes IGN] propagation amortie des déplacements
[Termes IGN] réseau routier
[Vedettes matières IGN] GénéralisationRésumé : (Auteur) This chapter reviews practical experience gained from the application of generalisation tech-nologies in the production environment of the French National Mapping Agency (IGN). Two main stages in production that require generalisation solutions are presented. The first step con-cerns the process of creating from a geographic database a first version of a cartographic database in which generalisation conflicts have been solved. This allows us to print a first map edition. This complex derivation step is made only once for a map which will be published over many years after updating. The second step focuses on the repetitive process to propagate updating in a cartographic database in order to provide new map editions with a less expensive solution than via a new derivation process. In this chapter, generalisation solutions to produce a 1 : 100000 topo-graphic map series are presented in detail and illustrated with a number of examples illustrating road generalisation. These solutions come from different research projects on generalisation. The benefits of such new solutions are discussed. Numéro de notice : H2007-004 Affiliation des auteurs : IGN+Ext (1940-2011) Thématique : GEOMATIQUE/INFORMATIQUE Nature : Chapître / contribution Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=65896 Observations and research challenges in map generalisation and multiple representation / William A Mackaness (01/01/2007)PermalinkPermalinkA prototype generalisation system based on the multi-agent system paradigm / Cécile Duchêne (01/01/2007)PermalinkRemote sensing of environment (Bulletin de Remote sensing of environment)PermalinkRemote sensing of environment (Bulletin de Remote sensing of environment)PermalinkRemote sensing of environment (Bulletin de Remote sensing of environment)PermalinkRemote sensing of environment (Bulletin de Remote sensing of environment)PermalinkRemote sensing of environment (Bulletin de Remote sensing of environment)PermalinkRemote sensing of environment (Bulletin de Remote sensing of environment)PermalinkRemote sensing of environment (Bulletin de Remote sensing of environment)Permalink