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EuroSDR GeoBIM project a study in Europe on how to use the potentials of BIM and GEO data in practice / Francesca Noardo (2019)    

Public Titre : EuroSDR GeoBIM project a study in Europe on how to use the potentials of BIM and GEO data in practice Type de document : Article/Communication Auteurs : Francesca Noardo, Auteur ; Claire Ellul, Auteur ; Lars Harrie, Auteur ; Emmanuel Devys , Auteur ; Ken Arroyo Ohori, Auteur ; P. Olsson, Auteur ; Jantien E. Stoter, Auteur Editeur : International Society for Photogrammetry and Remote Sensing ISPRS Année de publication : 2019 Collection : International Archives of Photogrammetry, Remote Sensing and Spatial Information Sciences, ISSN 1682-1750 num. XLII-4/W15 Projets : UMnD / Conférence : 3D GeoInfo 2019, ISPRS WG IV/10 14th 3D GeoInfo Conference 24/09/2019 27/09/2019 Singapour Singapour Open access Archives Importance : pp 53 - 60 Format : 21 x 30 cm Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géomatique [Termes descripteurs IGN] base de données localisées [Termes descripteurs IGN] cadastre [Termes descripteurs IGN] CityGML [Termes descripteurs IGN] données localisées 2D [Termes descripteurs IGN] données localisées 3D [Termes descripteurs IGN] Europe (géographie politique) [Termes descripteurs IGN] format Industry foudation classes IFC [Termes descripteurs IGN] intégration de données [Termes descripteurs IGN] interopérabilité [Termes descripteurs IGN] modélisation 3D du bâti BIM [Termes descripteurs IGN] organisme cartographique national Résumé : (auteur) In both the Geo and BIM domains, it is widely acknowledged that the integration of geo-data and BIM-data is beneficial and a crucial step in facing the multi-disciplinary challenges of our built environment. The result of this integration – broadly termed as GeoBIM – has a range of potential uses from district study to road safety. However, from the data perspective, this integration raises the question of how to integrate very detailed design and construction data from the BIM domain with contextual geospatial data (both 2D and 3D) that model a very diverse range of aspects of the wider built and natural environment. This paper reports work carried out during the second phase of the EuroSDR GeoBIM project, which sets out to understand the general status of GeoBIM across Europe with particular focus from a National Mapping and Cadastral Agency perspective. The first phase of the project reviewed the current status of GeoBIM in participating countries and identified the need for specific detailed use cases to overcome both the lack of awareness and the lack of understanding of the potential of GeoBIM. We present both an update on the current status of GeoBIM, and additional details of one of the selected use cases relating to planning/development permits. For the latter, we have been able to develop a detailed workflow highlighting specific data exchange points within the process to issue a development permit, allowing a more in-depth identification of both the roles and data needs at each stage. Numéro de notice : C2019-031 Affiliation des auteurs : IGN+Ext (2012-2019) Thématique : GEOMATIQUE Nature : Communication nature-HAL : ComAvecCL&ActesPubliésIntl DOI : 10.5194/isprs-archives-XLII-4-W15-53-2019 date de publication en ligne : 23/09/2019 En ligne : https://doi.org/10.5194/isprs-archives-XLII-4-W15-53-2019 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=94603

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Synchronising geometric representations for map mashups using relative positioning and Linked Data / Weiming Huang in International journal of geographical information science IJGIS, vol 32 n° 5-6 (May - June 2018)  

Public [article]  inInternational journal of geographical information science IJGIS > vol 32 n° 5-6 (May - June 2018) . - pp 1117 - 1137 Titre : Synchronising geometric representations for map mashups using relative positioning and Linked Data Type de document : Article/Communication Auteurs : Weiming Huang, Auteur ; Ali Mansourian, Auteur ; Ehsan Abdolmajidi, Auteur ; Haiqi Xu, Auteur ; Lars Harrie, Auteur Année de publication : 2018 Article en page(s) : pp 1117 - 1137 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géomatique web [Termes descripteurs IGN] application composite [Termes descripteurs IGN] géovisualisation [Termes descripteurs IGN] modèle conceptuel de données localisées [Termes descripteurs IGN] positionnement différentiel [Termes descripteurs IGN] représentation multiple [Termes descripteurs IGN] SPARQL [Termes descripteurs IGN] synchronisation [Termes descripteurs IGN] Web des données Résumé : (Auteur) Map mashups, as a common way of presenting geospatial information on the Web, are generally created by spatially overlaying thematic information on top of various base maps. This simple overlay approach often raises geometric deficiencies due to geometric uncertainties in the data. This issue is particularly apparent in a multi-scale context because the thematic data seldom have synchronised level of detail with the base map. In this study, we propose, develop, implement and evaluate a relative positioning approach based on shared geometries and relative coordinates to synchronise geometric representations for map mashups through several scales. To realise the relative positioning between datasets, we adopt a Linked Data–based technical framework in which the data are organised according to ontologies that are designed based on the GeoSPARQL vocabulary. A prototype system is developed to demonstrate the feasibility and usability of the relative positioning approach. The results show that the approach synchronises and integrates the geometries of thematic data and the base map effectively, and the thematic data are automatically tailored for multi-scale visualisation. The proposed framework can be used as a new way of modelling geospatial data on the Web, with merits in terms of both data visualisation and querying. Numéro de notice : A2018-201 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE/INFORMATIQUE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1080/13658816.2018.1441416 date de publication en ligne : 01/03/2018 En ligne : https://doi.org/10.1080/13658816.2018.1441416 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=89870 [article]

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Matching authority and VGI road networks using an extended node-based matching algorithm / Ehsan Abdolmajidi in Geo-spatial Information Science, vol 18 n° 2 (August 2015)  

Public [article]  inGeo-spatial Information Science > vol 18 n° 2 (August 2015) . - pp 65 - 80 Titre : Matching authority and VGI road networks using an extended node-based matching algorithm Type de document : Article/Communication Auteurs : Ehsan Abdolmajidi, Auteur ; Ali Mansourian, Auteur ; Julian Will, Auteur ; Lars Harrie, Auteur Année de publication : 2015 Article en page(s) : pp 65 - 80 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Infrastructure de données [Termes descripteurs IGN] appariement topologique [Termes descripteurs IGN] base de données routières [Termes descripteurs IGN] données localisées de référence [Termes descripteurs IGN] données localisées des bénévoles [Termes descripteurs IGN] OpenStreetMap [Termes descripteurs IGN] qualité des données [Termes descripteurs IGN] relation topologique [Termes descripteurs IGN] réseau routier [Termes descripteurs IGN] Suède Résumé : (auteur) The amount of volunteered geographic information (VGI) has increased over the past decade, and several studies have been conducted to evaluate the quality of VGI data. In this study, we evaluate the completeness of the road network in the VGI data set OpenStreetMap (OSM). The evaluation is based on an accurate and efficient network-matching algorithm. The study begins with a comparison of the two main strategies for network matching: segment-based and node-based matching. The comparison shows that the result quality is comparable for the two strategies, but the node-based result is considerably more computationally efficient. Therefore, we improve the accuracy of node-based algorithm by handling topological relationships and detecting patterns of complicated network components. Finally, we conduct a case study on the extended node-based algorithm in which we match OSM to the Swedish National Road Database (NVDB) in Scania, Sweden. The case study reveals that OSM has a completeness of 87% in the urban areas and 69% in the rural areas of Scania. The accuracy of the matching process is approximately 95%. The conclusion is that the extended node-based algorithm is sufficiently accurate and efficient for conducting surveys of the quality of OSM and other VGI road data sets in large geographic regions. Numéro de notice : A2015-760 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE/INFORMATIQUE Nature : Article En ligne : http://dx.doi.org/10.1080/10095020.2015.1071065 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=78796 [article]

Analytical estimation of map readability / Lars Harrie in ISPRS International journal of geo-information, vol 4 n°2 (June 2015)  

Public [article]  inISPRS International journal of geo-information > vol 4 n°2 (June 2015) . - pp 418 - 446 Titre : Analytical estimation of map readability Type de document : Article/Communication Auteurs : Lars Harrie, Auteur ; Hanna Stigmar, Auteur ; Milan Djordjevic, Auteur Année de publication : 2015 Article en page(s) : pp 418 - 446 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Termes descripteurs IGN] apprentissage dirigé [Termes descripteurs IGN] distribution spatiale [Termes descripteurs IGN] généralisation cartographique automatisée [Termes descripteurs IGN] lisibilité perceptive [Termes descripteurs IGN] régression multiple [Termes descripteurs IGN] séparateur à vaste marge [Termes descripteurs IGN] seuillage [Termes descripteurs IGN] test de performance [Termes descripteurs IGN] utilisateur [Vedettes matières IGN] Cartologie Résumé : (auteur) Readability is a major issue with all maps. In this study, we evaluated whether we can predict map readability using analytical measures, both single measures and composites of measures. A user test was conducted regarding the perceived readability of a number of test map samples. Evaluations were then performed to determine how well single measures and composites of measures could describe the map readability. The evaluation of single measures showed that the amount of information was most important, followed by the spatial distribution of information. The measures of object complexity and graphical resolution were not useful for explaining the map readability of our test data. The evaluations of composites of measures included three methods: threshold evaluation, multiple linear regression and support vector machine. We found that the use of composites of measures was better for describing map readability than single measures, but we could not identify any major differences in the results of the three composite methods. The results of this study can be used to recommend readability measures for triggering and controlling the map generalization process of online maps. Numéro de notice : A2015-701 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article nature-HAL : ArtAvecCL-RevueIntern En ligne : http://www.mdpi.com/2220-9964/4/2/418 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=78343 [article]

Automatic symbolisation methods for geoportals / Ara Toomanian in Cartographic journal (the), vol 49 n° 2 (May 2012)  

Public [article]  inCartographic journal (the) > vol 49 n° 2 (May 2012) . - pp 153 - 163 Titre : Automatic symbolisation methods for geoportals Type de document : Article/Communication Auteurs : Ara Toomanian, Auteur ; Lars Harrie, Auteur ; P. Olsson, Auteur Année de publication : 2012 Article en page(s) : pp 153 - 163 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géomatique web [Termes descripteurs IGN] carte sur mesure [Termes descripteurs IGN] couche thématique [Termes descripteurs IGN] croisement spatial [Termes descripteurs IGN] geoportail [Termes descripteurs IGN] infrastructure nationale des données localisées [Termes descripteurs IGN] saturation de la couleur [Termes descripteurs IGN] Suède [Termes descripteurs IGN] symbole graphique [Termes descripteurs IGN] web mapping Résumé : (Auteur) There is currently a high demand for spatial data usage within web applications. From a technical viewpoint, web services and geoportals aim to fulfil user requirements; however, the current cartographic methods do not satisfy the needs of the end users. The problem is more challenging when the final map contains data from various sources that have various cartographic characteristics; therefore, the vital information might be located under the base map layer. In this paper, we propose the concept of layer priorities as foreground, middle ground or background, and we propose the two following methods to enhance the symbolisation: polygon overlay and colour saturation methods. The results from two case studies show that these methods can satisfy the requirements of the end users. Numéro de notice : A2012-276 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1179/1743277412Y.0000000002 date de publication en ligne : 22/11/2013 En ligne : https://doi.org/10.1179/1743277412Y.0000000002 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=31722 [article]

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Cartographic quality issues for view services in geoportals / Lars Harrie in Cartographica, vol 46 n° 2 (June 2011)  

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A multiple representation data structure for dynamic visualisation of generalised 3D city models / B. Mao in ISPRS Journal of photogrammetry and remote sensing, vol 66 n° 2 (March - April 2011)

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vol 66 n° 2 - March - April 2011 - Quality, scale and analysis aspects of urban city models (Bulletin de ISPRS Journal of photogrammetry and remote sensing) / Monika Sester  

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Evaluation of analytical measures of map legibility / Hanna Stigmar in Cartographic journal (the), vol 48 n° 1 (February 2011)  

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An evaluation of measures for quantifying map information / Lars Harrie in ISPRS Journal of photogrammetry and remote sensing, vol 65 n° 3 (May - June 2010)

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Automation of vegetation symbol placement on Ordnance Survey 1: 50000 scale maps / Lars Harrie in Cartographic journal (the), vol 44 n° 3 (August 2007)

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ISPRS workshop Multiple representation and interoperability of spatial data, Hanover, Germany, 22. - 24. February 2006 / M. Hampe (2006)  

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Placing text and icon labels simultaneously: a real-time method / Qian Zhang in Cartography and Geographic Information Science, vol 33 n° 1 (January 2006)

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Weight-setting and quality assessment in simultaneous graphic generalization / Lars Harrie in Cartographic journal (the), vol 40 n° 3 (December 2003)

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Simultaneous graphic generalization of vector data sets / Lars Harrie in Geoinformatica, vol 6 n° 3 (September - November 2002)

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An optimisation approach to cartographic generalisation / Lars Harrie (2001)

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A prototype system for propagating updates between cartographic data sets / Lars Harrie in Cartographic journal (the), vol 36 n° 2 (December 1999)

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The constraint method for solving spatial conflicts in cartographic generalization / Lars Harrie in Cartography and Geographic Information Science, vol 26 n° 1 (January 1999)

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Generalisation methods for propagating updates between cartographic data sets / Lars Harrie (1998)

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