Hugo Ledoux

associate-prof in 3D geoinformation at TU Delft
blog contact protégés publications research slides software

Publications

I provide here the author's version of most of my papers. These are for personal use only, and not for redistribution or commercial use. Please use the official published version ( ) if you have access to it.

= open access

= the "reproducibility repository", where the code and/or the data needed to reproduce the results of the paper, is given.
my ORCID page
my SCOPUS page
my Google Scholar page
| 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | 2003 |

2018

Integratie BIM- en GIS-data. A. A. Diakité, T. Krijnen, H. Ledoux, K. Arroyo Ohori and J. Stoter. GIS-Magazine, 2018.

@misc{18_gismag,
	author = {{Diakit\'e}, A. A. and Krijnen, T. and Ledoux, H. and Arroyo Ohori, K. and Stoter, J.},
	title = {{Integratie BIM- en GIS-data}},
	howpublished = {GIS-Magazine},
	month = {April/May},
	year = {2018}
}

Compactly representing massive terrain models as TINs in CityGML. Kavisha Kumar, Hugo Ledoux and Jantien Stoter. Transactions in GIS 22 (5), 2018, pp. 1152–1178.

@article{18_tgis_ade_tin,
	author = {Kumar, Kavisha and Ledoux, Hugo and Stoter, Jantien},
	title = {Compactly representing massive terrain models as {TINs} in {CityGML}},
	journal = {Transactions in GIS},
	year = {2018},
	volume = {22},
	number = {5},
	pages = {1152--1178}
}

Val3dity: validation of 3D GIS primitives according to the international standards. Hugo Ledoux. Open Geospatial Data, Software and Standards 3 (1), 2018, pp. 1.

@article{18_ogdss_val3dity,
	author = {Ledoux, Hugo},
	title = {{val3dity}: validation of {3D GIS} primitives according to the international standards},
	journal = {Open Geospatial Data, Software and Standards},
	year = {2018},
	volume = {3},
	number = {1},
	pages = {1}
}

HSW: Heuristic shrink-wrapping for automatically repairing solid-based CityGML LOD2 building models. Junqiao Zhao, Hugo Ledoux, Jantien Stoter and T. Feng. ISPRS Journal of Photogrammetry and Remote Sensing 146 (289–304), 2018.

@article{18_isprs_shrinkwrapping,
	author = {Zhao, Junqiao and Ledoux, Hugo and Stoter, Jantien and Feng, T.},
	title = {{HSW}: {H}euristic shrink-wrapping for automatically repairing solid-based {CityGML} {LOD2} building models},
	journal = {{ISPRS} Journal of Photogrammetry and Remote Sensing},
	year = {2018},
	volume = {146},
	number = {289--304}
}

Processing BIM and GIS models in practice: experiences and recommendations from a GeoBIM project in the netherlands. Ken Arroyo Ohori, Abdoulaye Diakité, Thomas Krijnen, Hugo Ledoux and Jantien Stoter. ISPRS International Journal of Geo-Information 7 (8), 2018, pp. 311.

@article{18_ijgi_bim,
	author = {Ken Arroyo Ohori and Abdoulaye Diakit{\'{e}} and Thomas Krijnen and Hugo Ledoux and Jantien Stoter},
	title = {Processing {BIM} and {GIS} Models in Practice: Experiences and Recommendations from a {GeoBIM} Project in The Netherlands},
	journal = {{ISPRS} International Journal of Geo-Information},
	year = {2018},
	volume = {7},
	number = {8},
	pages = {311}
}

3D-BAG: actueel en landsdekkend. Balázs Dukai, Hugo Ledoux and Jantien Stoter. Geo-Info 15 (5), 2018, pp. 38–42.

@article{18_geoinfomag_3dbag,
	author = {Dukai, Bal{\'a}zs and Ledoux, Hugo and Stoter, Jantien},
	title = {{3D-BAG}: actueel en landsdekkend},
	journal = {Geo-Info},
	year = {2018},
	volume = {15},
	number = {5},
	pages = {38--42}
}

The effect of acquisition error and level of detail on the accuracy of spatial analyses. Filip Biljecki, Gerard B.M. Heuvelink, Hugo Ledoux and Jantien Stoter. Cartography and Geographic Information Science 45 (2), 2018, pp. 156–176.

@article{18_cgis_loderror,
	author = {Filip Biljecki and Gerard B.M. Heuvelink and Hugo Ledoux and Jantien Stoter},
	title = {The effect of acquisition error and level of detail on the accuracy of spatial analyses},
	journal = {Cartography and Geographic Information Science},
	year = {2018},
	volume = {45},
	number = {2},
	pages = {156--176}
}

Modeling cities and landscapes in 3D with CityGML. Ken Arroyo Ohori, Filip Biljecki, Kavisha Kumar, Hugo Ledoux and Jantien Stoter. In André Borrmann, Markus König, Christian Koch and Jakob Beetz (eds.), Building Information Modeling: Technology Foundations and Industry Practice, Springer, 2018, pp. 199–215.

@incollection{18_bimbook_citygml,
	author = {Ken {Arroyo Ohori} and Filip Biljecki and Kavisha Kumar and Hugo Ledoux and Jantien Stoter},
	title = {Modeling Cities and Landscapes in {3D} with {CityGML}},
	booktitle = {Building Information Modeling: Technology Foundations and Industry Practice},
	publisher = {Springer},
	year = {2018},
	editor = {Andr\'e Borrmann and Markus K\"onig and Christian Koch and Jakob Beetz},
	pages = {199--215}
}

A proposal for an improved transportation model in CityGML. A. Labetski, S. van Gerwen, G. Tamminga, H. Ledoux and J. Stoter. In ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2018, pp. 89–96.

@inproceedings{18_3dgeoinfo_roads,
	author = {A. Labetski and S. van Gerwen and G. Tamminga and H. Ledoux and J. Stoter},
	title = {A proposal for an improved transportation model in {CityGML}},
	booktitle = {{ISPRS} - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences},
	year = {2018},
	volume = {{XLII}-4/W10},
	pages = {89--96}
}

Dynamic 3D visualization of floods: Case of the Netherlands. K. Kumar, H. Ledoux and J. Stoter. In ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2018, pp. 83–87.

@inproceedings{18_3dgeoinfo_floods,
	author = {K. Kumar and H. Ledoux and J. Stoter},
	title = {Dynamic {3D} visualization of floods: {Case} of the {Netherlands}},
	booktitle = {{ISPRS} - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences},
	year = {2018},
	volume = {{XLII}-4/W10},
	pages = {83--87}
}


2017

Visualising higher-dimensional space-time and space-scale objects as projections to R$^3$. Ken Arroyo Ohori, Hugo Ledoux and Jantien Stoter. PeerJ Computer Science 3, 2017, pp. e123.

@article{17_peerj_ndviz,
	author = {Arroyo Ohori, Ken and Ledoux, Hugo and Stoter, Jantien},
	title = {Visualising higher-dimensional space-time and space-scale objects as projections to {R}$^3$},
	journal = {PeerJ Computer Science},
	year = {2017},
	volume = {3},
	pages = {e123}
}

Modelling and manipulating spacetime objects in a true 4D model. Ken Arroyo Ohori, Hugo Ledoux and Jantien Stoter. Journal of Spatial Information Science 14, 2017, pp. 61–93.

@article{17_josis_4dmodel,
	author = {Ken {Arroyo Ohori} and Hugo Ledoux and Jantien Stoter},
	title = {Modelling and manipulating spacetime objects in a true {4D} model},
	journal = {Journal of Spatial Information Science},
	year = {2017},
	volume = {14},
	pages = {61--93}
}

Solving the horizontal conflation problem with a constrained Delaunay triangulation. Hugo Ledoux and Ken Arroyo Ohori. Journal of Geographical Systems 19 (1), 2017, pp. 21–42.

@article{17_jgsy_em,
	author = {Ledoux, Hugo and Arroyo Ohori, Ken},
	title = {Solving the horizontal conflation problem with a constrained {D}elaunay triangulation},
	journal = {Journal of Geographical Systems},
	year = {2017},
	volume = {19},
	number = {1},
	pages = {21--42}
}

Registration of multi-level property rights in 3D in the Netherlands: two cases and next steps in further implementation. Jantien Stoter, Hendrik Ploeger, Ruben Roes, Els van der Riet, Filip Biljecki, Hugo Ledoux, Dirco Kok and Sangmin Kim. ISPRS International Journal of Geo-Information 6, 2017, pp. 158.

@article{17_ijgi_cadastre,
	author = {Jantien Stoter and Hendrik Ploeger and Ruben Roes and Els van der Riet and Filip Biljecki and Hugo Ledoux and Dirco Kok and Sangmin Kim},
	title = {Registration of Multi-Level Property Rights in {3D} in the {Netherlands}: Two Cases and Next Steps in Further Implementation},
	journal = {ISPRS International Journal of Geo-Information},
	year = {2017},
	volume = {6},
	pages = {158}
}

Generalising 3D Buildings from LoD2 to LoD1. Anna Labetski, Hugo Ledoux and Jantien Stoter. In GISRUK 2017 Proceedings, Manchester, UK, 2017.

@inproceedings{17_gisruk_genzlod1,
	author = {Anna Labetski and Hugo Ledoux and Jantien Stoter},
	title = {Generalising {3D} {B}uildings from {LoD2} to {LoD1}},
	booktitle = {GISRUK 2017 Proceedings},
	year = {2017},
	address = {Manchester, UK}
}

Het Level of Detail van 3D geo-informatie: Een bekend maar nauwelijks onderzocht concept. Filip Biljecki, Hugo Ledoux and Jantien Stoter. Geo-Info 14 (5), 2017, pp. 12–16.

@article{17_geoinfo_lod,
	author = {Biljecki, Filip and Ledoux, Hugo and Stoter, Jantien},
	title = {Het {Level of Detail} van {3D} geo-informatie: {Een} bekend maar nauwelijks onderzocht concept},
	journal = {Geo-Info},
	year = {2017},
	volume = {14},
	number = {5},
	pages = {12--16}
}

3D BGT: waarom, wat en hoe?. Jantien Stoter, Tom Commandeur and Hugo Ledoux. Geo-Info 14 (2), 2017, pp. 69–73.

@article{17_geoinfo_3dbgt,
	author = {Stoter, Jantien and Commandeur, Tom and Ledoux, Hugo},
	title = {{3D BGT}: waarom, wat en hoe?},
	journal = {Geo-Info},
	year = {2017},
	volume = {14},
	number = {2},
	pages = {69--73}
}

Automatic identification of watercourses in flat and engineered landscapes by computing the skeleton of a LiDAR point cloud. Tom Broersen, Ravi Peters and Hugo Ledoux. Computers & Geosciences 106, 2017, pp. 171–180.

@article{17_cgeo_watercourse,
	author = {Tom Broersen and Ravi Peters and Hugo Ledoux},
	title = {Automatic identification of watercourses in flat and engineered landscapes by computing the skeleton of a {LiDAR} point cloud},
	journal = {Computers {\&} Geosciences},
	year = {2017},
	volume = {106},
	pages = {171--180}
}

Generating 3D city models without elevation data. Filip Biljecki, Hugo Ledoux and Jantien Stoter. Computers, Environment and Urban Systems 64, 2017, pp. 1–18.

@article{17_ceus_3dnoelevation,
	author = {Filip Biljecki and Hugo Ledoux and Jantien Stoter},
	title = {Generating {3D} city models without elevation data},
	journal = {Computers, Environment and Urban Systems},
	year = {2017},
	volume = {64},
	pages = {1--18}
}

Representation: fields. Hugo Ledoux. In The International Encyclopedia of Geography, John Wiley & Sons, 2017.

@incollection{17_aag_fields,
	author = {Ledoux, Hugo},
	title = {Representation: Fields},
	booktitle = {The International Encyclopedia of Geography},
	publisher = {John Wiley \& Sons},
	year = {2017}
}

Modelling urban noise in CityGML ADE: Case of the Netherlands. K. Kumar, H. Ledoux, T. J. F. Commandeur and J. E. Stoter. In ISPRS Annals of Photogrammetry, Remote Sensing and Spatial Information Sciences, 2017, pp. 73–81.

@inproceedings{17_3dgeoinfo_noise,
	author = {K. Kumar and H. Ledoux and T. J. F. Commandeur and J. E. Stoter},
	title = {Modelling urban noise in {CityGML ADE}: {C}ase of the {N}etherlands},
	booktitle = {{ISPRS} Annals of Photogrammetry, Remote Sensing and Spatial Information Sciences},
	year = {2017},
	volume = {{IV}-4/W5},
	pages = {73--81}
}

Towards an integration of GIS and BIM data: What are the geometric and topological issues?. K. Arroyo Ohori, F. Biljecki, A. Diakité, T. Krijnen, H. Ledoux and J. Stoter. In ISPRS Annals of Photogrammetry, Remote Sensing and Spatial Information Sciences, 2017, pp. 1–8.

@inproceedings{17_3dgeoinfo_gisifc,
	author = {K. Arroyo Ohori and F. Biljecki and A. Diakit{\'{e}} and T. Krijnen and H. Ledoux and J. Stoter},
	title = {Towards an integration of {GIS} and {BIM} data: {W}hat are the geometric and topological issues?},
	booktitle = {{ISPRS} Annals of Photogrammetry, Remote Sensing and Spatial Information Sciences},
	year = {2017},
	volume = {{IV}-4/W5},
	pages = {1--8}
}

Does a finer level of detail of a 3D city model bring an improvement for estimating shadows?. Filip Biljecki, Hugo Ledoux and Jantien Stoter. In Alias Abdul-Rahman (eds.), Advances in 3D Geoinformation, Lecture Notes in Geoinformation and Cartography, Springer, 2017, pp. 31–47.

@incollection{15_3dgeoinfo_shadow,
	author = {Biljecki, Filip and Ledoux, Hugo and Stoter, Jantien},
	title = {Does a finer level of detail of a {3D} city model bring an improvement for estimating shadows?},
	booktitle = {Advances in 3D Geoinformation},
	publisher = {Springer},
	year = {2017},
	editor = {Alias Abdul-Rahman},
	series = {Lecture Notes in Geoinformation and Cartography},
	pages = {31--47}
}


2016

Generation of multi-LOD 3D city models in CityGML with the procedural modelling engine Random3Dcity. F Biljecki, H Ledoux and J Stoter. In International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, ISPRS, 2016, pp. 51–59.

@incollection{16_udms_engine,
	author = {Biljecki, F and Ledoux, H and Stoter, J},
	title = {Generation of {multi-LOD 3D} city models in {CityGML} with the procedural modelling engine {Random3Dcity}},
	booktitle = {International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences},
	publisher = {ISPRS},
	year = {2016},
	volume = {III-4/W1},
	pages = {51--59}
}

Automatic conversion of IFC datasets to geometrically and semantically correct CityGML LOD3 buildings. Sjors Donkers, Hugo Ledoux, Junqiao Zhao and Jantien Stoter. Transactions in GIS 20 (4), 2016, pp. 547–569.

@article{16_tgis_ifc2citygml,
	author = {Donkers, Sjors and Ledoux, Hugo and Zhao, Junqiao and Stoter, Jantien},
	title = {Automatic conversion of {IFC} datasets to geometrically and semantically correct {CityGML} {LOD3} buildings},
	journal = {Transactions in GIS},
	year = {2016},
	volume = {20},
	number = {4},
	pages = {547--569}
}

Population estimation using a 3D city model: a multi-scale country-wide study in the Netherlands. Filip Biljecki, Ken Arroyo Ohori, Hugo Ledoux, Ravi Peters and Jantien Stoter. PLOS ONE 11 (6), 2016, pp. e0156808.

@article{16_plosone_popestim,
	author = {Filip Biljecki and Ken Arroyo Ohori and Hugo Ledoux and Ravi Peters and Jantien Stoter},
	title = {Population estimation using a {3D} city model: a multi-scale country-wide study in the {Netherlands}},
	journal = {{PLOS ONE}},
	year = {2016},
	volume = {11},
	number = {6},
	pages = {e0156808}
}

OGC CityGML quality interoperability experiment. OGC. Technical report Document OGC 16-064r1, , 2016.

@techreport{16_ogc_qie,
	author = {OGC},
	title = {{OGC} {CityGML} quality interoperability experiment},
	year = {2016},
	number = {Document OGC 16-064r1}
}

Towards sustainable and clean 3D geoinformation. Jantien Stoter, Hugo Ledoux, Sisi Zlatanova and Filip Biljecki. In Thomas H Kolbe, Ralf Bill and Andreas Donaubauer (eds.), Geoinformationssysteme 2016: Beiträge zur 3. Münchner GI-Runde, Wichmann Herbert, Munich, Germany, 2016, pp. 100–113.

@incollection{16_muncher,
	author = {Stoter, Jantien and Ledoux, Hugo and Zlatanova, Sisi and Biljecki, Filip},
	title = {Towards sustainable and clean {3D} Geoinformation},
	booktitle = {Geoinformationssysteme 2016: Beitr{\"a}ge zur 3. M{\"u}nchner GI-Runde},
	publisher = {Wichmann Herbert},
	year = {2016},
	editor = {Kolbe, Thomas H and Bill, Ralf and Donaubauer, Andreas},
	pages = {100--113},
	address = {Munich, Germany}
}

Establishing a national 3D geo-data model for building data compliant to CityGML: case of Turkey. S. Ates Aydar, J. Stoter, H. Ledoux, E. Demir Ozbek and T. Yomralioglu. In International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, , 2016, pp. 79–86.

@incollection{16_isprs_turkey,
	author = {Ates Aydar, S. and Stoter, J. and Ledoux, H. and Demir Ozbek, E. and Yomralioglu, T.},
	title = {Establishing a national {3D} geo-data model for building data compliant to {CityGML}: Case of {Turkey}},
	booktitle = {International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences},
	year = {2016},
	volume = {XLI-B2},
	pages = {79--86}
}

Comparative analysis of data structures for storing massive TINs in a DBMS. Kavisha Kumar, Hugo Ledoux and Jantien Stoter. In International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, , 2016, pp. 123–130.

@incollection{16_isprs_tin_dbms,
	author = {Kumar, Kavisha and Ledoux, Hugo and Stoter, Jantien},
	title = {Comparative analysis of data structures for storing massive {TINs} in a {DBMS}},
	booktitle = {International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences},
	year = {2016},
	volume = {XLI-B2},
	pages = {123--130}
}

State-of-the-art of 3D national mapping in 2016. J. Stoter, B. Vallet, T. Lithen, M. Pla, P. Wozniak, T. Kellenberger, A. Streilein, R. Ilves and H. Ledoux. In International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, , 2016, pp. 653–660.

@incollection{16_isprs_stateart3d,
	author = {Stoter, J. and Vallet, B. and Lithen, T. and Pla, M. and Wozniak, P. and Kellenberger, T. and Streilein, A. and Ilves, R. and Ledoux, H.},
	title = {State-of-the-art of {3D} national mapping in 2016},
	booktitle = {International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences},
	year = {2016},
	volume = {XLI-B4},
	pages = {653--660}
}

The variants of an LOD of a 3D building model and their influence on spatial analyses. Filip Biljecki, Hugo Ledoux, Jantien Stoter and George Vosselman. ISPRS Journal of Photogrammetry and Remote Sensing 116, 2016, pp. 42–54.

@article{16_isprs_lod,
	author = {Biljecki, Filip and Ledoux, Hugo and Stoter, Jantien and Vosselman, George},
	title = {The variants of an {LOD} of a {3D} building model and their influence on spatial analyses},
	journal = {ISPRS Journal of Photogrammetry and Remote Sensing},
	year = {2016},
	volume = {116},
	pages = {42--54}
}

Robust approximation of the medial axis transform of LiDAR point clouds as a tool for visualisation. Ravi Peters and Hugo Ledoux. Computers & Geosciences 90, 2016, pp. 123–133.

@article{16_cgeo_mat,
	author = {Peters, Ravi and Ledoux, Hugo},
	title = {Robust approximation of the medial axis transform of {LiDAR} point clouds as a tool for visualisation},
	journal = {Computers \& Geosciences},
	year = {2016},
	volume = {90},
	pages = {123--133}
}

An improved LOD specification for 3D building models. Filip Biljecki, Hugo Ledoux and Jantien Stoter. Computers, Environment and Urban Systems 59, 2016, pp. 25–37.

@article{16_ceus_lod_specs,
	author = {Biljecki, Filip and Ledoux, Hugo and Stoter, Jantien},
	title = {An improved {LOD} specification for {3D} building models},
	journal = {Computers, Environment and Urban Systems},
	year = {2016},
	volume = {59},
	pages = {25--37}
}

The most common geometric and semantic errors in CityGML datasets. Filip Biljecki, Hugo Ledoux, Xin Du, Jantien Stoter, K. H. Soon and V. H. S. Khoo. In , Volume IV-2/W1 of ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Athens, Greece, 2016, pp. 13–22.

@inproceedings{16_3dgeoinfo_validation,
	author = {Biljecki, Filip and Ledoux, Hugo and Du, Xin and Stoter, Jantien and Soon, K. H. and Khoo, V. H. S.},
	title = {The most common geometric and semantic errors in {CityGML} datasets},
	year = {2016},
	volume = {IV-2/W1},
	series = {ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences},
	pages = {13--22},
	address = {Athens, Greece}
}

Defining simple nd operations based on prismatic nd objects. Ken Arroyo Ohori, Hugo Ledoux and Jantien Stoter. In 11th 3D Geoinfo Conference, Volume IV–2/W1 of ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Athens, Greece, 2016, pp. 155–162.

@inproceedings{16_3dgeoinfo_ndops,
	author = {Ken {Arroyo Ohori} and Hugo Ledoux and Jantien Stoter},
	title = {Defining simple n{D} operations based on prismatic n{D} objects},
	booktitle = {11th 3D Geoinfo Conference},
	year = {2016},
	volume = {IV--2/W1},
	series = {ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences},
	pages = {155--162},
	address = {Athens, Greece}
}

A CityGML extension for handling very large TINs. Kavisha Kumar, Hugo Ledoux and Jantien Stoter. In , Volume IV-2/W1 of ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Athens, Greece, 2016, pp. 137–143.

@inproceedings{16_3dgeoinfo_massivetins,
	author = {Kumar, Kavisha and Ledoux, Hugo and Stoter, Jantien},
	title = {A {CityGML} extension for handling very large {TINs}},
	year = {2016},
	volume = {IV-2/W1},
	series = {ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences},
	pages = {137--143},
	address = {Athens, Greece}
}

First 3D cadastral registration of multi-level ownerships rights in the Netherlands. Jantien Stoter, Hendrik Ploeger, Ruben Roes, Els van der Riet, Filip Biljecki and Hugo Ledoux. In 5th International FIG Workshop on 3D Cadastres, Athens, Greece, 2016, pp. 491–504.

@inproceedings{16_3dcadaster_station,
	author = {Stoter, Jantien and Ploeger, Hendrik and Roes, Ruben and van der Riet, Els and Biljecki, Filip and Ledoux, Hugo},
	title = {First {3D} Cadastral Registration of Multi-level Ownerships Rights in the {N}etherlands},
	booktitle = {5th International FIG Workshop on 3D Cadastres},
	year = {2016},
	pages = {491--504},
	address = {Athens, Greece}
}


2015

Storing a 3D city model, its levels of detail and the correspondences between objects as a 4D combinatorial map. Ken Arroyo Ohori, Hugo Ledoux and Jantien Stoter. In Alias Abdul Rahman, Umit Isikdag and Francesc Antón Castro (eds.), Proceedings Joint International Geoinformation Conference 2015, ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, ISPRS, Kuala Lumpur, Malaysia, 2015, pp. 1–8.

@inproceedings{15_isprs_4d,
	author = {Ken {Arroyo Ohori} and Hugo Ledoux and Jantien Stoter},
	title = {Storing a {3D} city model, its levels of detail and the correspondences between objects as a {4D} combinatorial map},
	booktitle = {Proceedings Joint International Geoinformation Conference 2015},
	year = {2015},
	editor = {Alias Abdul Rahman and Umit Isikdag and Francesc Ant\'on Castro},
	series = {ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences},
	pages = {1--8},
	address = {Kuala Lumpur, Malaysia},
	month = {28--30 October},
	publisher = {ISPRS}
}

Van iedereen; voor iedereen: 3d-geo-informatie. Jantien Stoter, Hugo Ledoux and Sisi Zlatanova. GIS-Magazine, January 2015.

@misc{15_gismag,
	author = {Stoter, Jantien and Ledoux, Hugo and Zlatanova, Sisi},
	title = {Van iedereen; voor iedereen: 3D-Geo-informatie},
	howpublished = {GIS-Magazine},
	month = {January},
	year = {2015}
}

Visibility analysis in a point cloud based on the medial axis transform. Ravi Peters, Hugo Ledoux and Filip Biljecki. In Filip Biljecki and Vincent Tourre (eds.), Proceedings Eurographics Workshop on Urban Data Modelling and Visualisation, The Eurographics Association, Delft, the Netherlands, 2015, pp. 7–12.

@inproceedings{15_udmv_visibility,
	author = {Peters, Ravi and Ledoux, Hugo and Biljecki, Filip},
	title = {Visibility analysis in a point cloud based on the medial axis transform},
	booktitle = {Proceedings Eurographics Workshop on Urban Data Modelling and Visualisation},
	year = {2015},
	editor = {Filip Biljecki and Vincent Tourre},
	pages = {7--12},
	address = {Delft, the Netherlands},
	publisher = {The Eurographics Association}
}

Storing and analysing massive TINs in a DBMS with a star-based data structure. Hugo Ledoux. Technical report 2015.01, 3D geoinformation, Delft University of Technology, 2015.

@techreport{15_tech_pgtin,
	author = {Hugo Ledoux},
	title = {Storing and analysing massive {TINs} in a {DBMS} with a star-based data structure},
	institution = {3D geoinformation, Delft University of Technology},
	year = {2015},
	number = {2015.01},
	address = {Delft, the Netherlands}
}

TU Delft 3D geoinformation & FOSS. Hugo Ledoux and Filip Biljecki. Invited presentation at the OSgeo.nl dag 2015 (Den Bosch, the Netherlands), 2015.

@misc{15_osgeo_pres,
	author = {Hugo Ledoux and Filip Biljecki},
	title = {{TU Delft 3D geoinformation \& FOSS}},
	howpublished = {Invited presentation at the OSgeo.nl dag 2015 (Den Bosch, the Netherlands)},
	year = {2015}
}

An evaluation and classification of nD topological data structures for the representation of objects in a higher-dimensional GIS. Ken Arroyo Ohori, Hugo Ledoux and Jantien Stoter. International Journal of Geographical Information Science 29 (5), 2015, pp. 825–849.

@article{15_ijgis_ndstructures,
	author = {Ken {Arroyo Ohori} and Hugo Ledoux and Jantien Stoter},
	title = {An evaluation and classification of {nD} topological data structures for the representation of objects in a higher-dimensional {GIS}},
	journal = {International Journal of Geographical Information Science},
	year = {2015},
	volume = {29},
	number = {5},
	pages = {825--849}
}

A dimension-independent extrusion algorithm using generalised maps. Ken Arroyo Ohori, Hugo Ledoux and Jantien Stoter. International Journal of Geographical Information Science 29 (7), 2015, pp. 1166–1186.

@article{15_ijgis_extrusion,
	author = {Ken {Arroyo Ohori} and Hugo Ledoux and Jantien Stoter},
	title = {A dimension-independent extrusion algorithm using generalised maps},
	journal = {International Journal of Geographical Information Science},
	year = {2015},
	volume = {29},
	number = {7},
	pages = {1166--1186}
}

Propagation of positional error in 3D GIS: estimation of the solar irradiation of building roofs. Filip Biljecki, Gerard Heuvelink, Hugo Ledoux and Jantien Stoter. International Journal of Geographical Information Science 29 (12), 2015, pp. 2269–2294.

@article{15_ijgis_3derror,
	author = {Filip Biljecki and Gerard Heuvelink and Hugo Ledoux and Jantien Stoter},
	title = {Propagation of positional error in {3D GIS}: estimation of the solar irradiation of building roofs},
	journal = {International Journal of Geographical Information Science},
	year = {2015},
	volume = {29},
	number = {12},
	pages = {2269--2294}
}

Modelling a 3D city model and its levels of detail as a true 4D model. Ken Arroyo Ohori, Hugo Ledoux, Filip Biljecki and Jantien Stoter. ISPRS International Journal of Geo-Information 4 (3), 2015, pp. 1055–1075.

@article{15_ijgi_4dlinking,
	author = {Ken Arroyo Ohori and Hugo Ledoux and Filip Biljecki and Jantien Stoter},
	title = {Modelling a {3D} city model and its levels of detail as a true {4D} model},
	journal = {ISPRS International Journal of Geo-Information},
	year = {2015},
	volume = {4},
	number = {3},
	pages = {1055--1075}
}

Applications of 3D city models: State of the art review. Filip Biljecki, Jantien Stoter, Hugo Ledoux, Sisi Zlatanova and Arzu Çöltekin. ISPRS International Journal of Geo-Information 4 (4), 2015, pp. 2842–2889.

@article{15_ijgi_3dapps,
	author = {Biljecki, Filip and Stoter, Jantien and Ledoux, Hugo and Zlatanova, Sisi and \c{C}\"{o}ltekin, Arzu},
	title = {Applications of {3D} city models: {S}tate of the art review},
	journal = {ISPRS International Journal of Geo-Information},
	year = {2015},
	volume = {4},
	number = {4},
	pages = {2842--2889}
}

Improving the consistency of multi-LOD CityGML datasets by removing redundancy. Filip Biljecki, Hugo Ledoux and Jantien Stoter. In Martin Breunig, Mulhim Al-Doori, Edgar Butwilowski, Paul V. Kuper, Joachim Benner and Karl Heinz Haefele (eds.), 3D Geoinformation Science—The Selected Papers of the 3D GeoInfo 2014, Lecture Notes in Geoinformation and Cartography, Springer, 2015, pp. 1–17.

@incollection{15_3dgi14_multilods,
	author = {Filip Biljecki and Hugo Ledoux and Jantien Stoter},
	title = {Improving the consistency of {multi-LOD} {CityGML} datasets by removing redundancy},
	booktitle = {3D Geoinformation Science---The Selected Papers of the 3D GeoInfo 2014},
	publisher = {Springer},
	year = {2015},
	editor = {Breunig, Martin and Al-Doori, Mulhim and Butwilowski, Edgar and Kuper, Paul V. and Benner, Joachim and Haefele, Karl Heinz},
	series = {Lecture Notes in Geoinformation and Cartography},
	pages = {1--17}
}


2014

A framework for the automatic geometric repair of CityGML models. Junqiao Zhao, Jantien Stoter and Hugo Ledoux. In Manfred Buchroithner, Nikolas Prechtel and Dirk Burghardt (eds.), Cartography from Pole to Pole, Lecture Notes in Geoinformation and Cartography, Springer Berlin Heidelberg, 2014, pp. 187–202.

@incollection{14_zhao_citygmlrepair,
	author = {Junqiao Zhao and Jantien Stoter and Hugo Ledoux},
	title = {A Framework for the Automatic Geometric Repair of {CityGML} Models},
	booktitle = {Cartography from Pole to Pole},
	publisher = {Springer Berlin Heidelberg},
	year = {2014},
	editor = {Manfred Buchroithner and Nikolas Prechtel and Dirk Burghardt},
	series = {Lecture Notes in Geoinformation and Cartography},
	pages = {187--202}
}

Error propagation in the computation of volumes in 3D city models with the Monte Carlo method. Filip Biljecki, Hugo Ledoux and Jantien Stoter. In ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Toronto, Canada, 2014, pp. 31–39.

@inproceedings{14_sdh,
	author = {Filip Biljecki and Hugo Ledoux and Jantien Stoter},
	title = {Error propagation in the computation of volumes in {3D} city models with the {Monte Carlo} method},
	booktitle = {ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences},
	year = {2014},
	volume = {II-2},
	pages = {31--39},
	address = {Toronto, Canada}
}

CityGML implementation specifications for a countrywide 3D data set: the case of the Netherlands. Jantien Stoter, George Vosselman, Christian Dahmen, Sander Oude Elberink and Hugo Ledoux. Photogrammetric Engineering & Remote Sensing 80 (11), 2014, pp. 1069–1077.

@article{14_pers,
	author = {Stoter, Jantien and Vosselman, George and Dahmen, Christian and Oude Elberink, Sander and Ledoux, Hugo},
	title = {{CityGML} implementation specifications for a countrywide {3D} data set: the case of the {Netherlands}},
	journal = {Photogrammetric Engineering \& Remote Sensing},
	year = {2014},
	volume = {80},
	number = {11},
	pages = {1069--1077}
}

A Voronoi-based approach to generating depth-contours for hydrographic charts. Ravi Peters, Hugo Ledoux and Martijn Meijers. Marine Geodesy 37 (2), 2014, pp. 145–166.

@article{14_marinegeo,
	author = {Peters, Ravi and Ledoux, Hugo and Meijers, Martijn},
	title = {A {V}oronoi-based approach to generating depth-contours for hydrographic charts},
	journal = {Marine Geodesy},
	year = {2014},
	volume = {37},
	number = {2},
	pages = {145--166}
}

Constructing an n-dimensional cell complex from a soup of (n-1)-dimensional faces. Ken Arroyo Ohori, Guillaume Damiand and Hugo Ledoux. In Prosenjit Gupta and Christos Zaroliagis (eds.), ICAA 2014, Volume 8321 of Lecture Notes in Computer Science, Springer International Publishing Switzerland, Kolkata, India, 2014, pp. 36–47.

@incollection{14_icaa,
	author = {Ken {Arroyo Ohori} and Guillaume Damiand and Hugo Ledoux},
	title = {Constructing an n-dimensional cell complex from a soup of (n-1)-dimensional faces},
	booktitle = {ICAA 2014},
	publisher = {Springer International Publishing Switzerland},
	year = {2014},
	editor = {Prosenjit Gupta and Christos Zaroliagis},
	volume = {8321},
	series = {Lecture Notes in Computer Science},
	pages = {36--47},
	address = {Kolkata, India}
}

Redefining the level of detail for 3D models. Filip Biljecki, Hugo Ledoux and Jantien Stoter. GIM International 28 (11), 2014, pp. 21–23.

@article{14_gim,
	author = {Biljecki, Filip and Ledoux, Hugo and Stoter, Jantien},
	title = {Redefining the level of detail for {3D} models},
	journal = {GIM International},
	year = {2014},
	volume = {28},
	number = {11},
	pages = {21--23}
}

A triangulation-based approach to automatically repair GIS polygons. Hugo Ledoux, Ken Arroyo Ohori and Martijn Meijers. Computers & Geosciences 66, 2014, pp. 121–131.

@article{14_cgeo_prepair,
	author = {Hugo Ledoux and Ken {Arroyo Ohori} and Martijn Meijers},
	title = {A triangulation-based approach to automatically repair {GIS} polygons},
	journal = {Computers \& Geosciences},
	year = {2014},
	volume = {66},
	pages = {121--131}
}

Formalisation of the level of detail in 3D city modelling. Filip Biljecki, Hugo Ledoux, Jantien Stoter and Junqiao Zhao. Computers, Environment and Urban Systems 48, 2014, pp. 1–15.

@article{14_ceus_lod,
	author = {Biljecki, Filip and Ledoux, Hugo and Stoter, Jantien and Zhao, Junqiao},
	title = {Formalisation of the level of detail in {3D} city modelling},
	journal = {Computers, Environment and Urban Systems},
	year = {2014},
	volume = {48},
	pages = {1--15}
}

Height references of CityGML LOD1 buildings and their influence on applications. Filip Biljecki, Hugo Ledoux and Jantien Stoter. In Martin Breunig, Al-Doori Mulhim, Edgar Butwilowski, Paul Vincent Kuper, Joachim Benner and Karl-Heinz Häfele (eds.), Proceedings of the 9th 3DGeoInfo Conference 2014, Dubai, UAE, 2014.

@inproceedings{14_3dgi_references,
	author = {Biljecki, Filip and Ledoux, Hugo and Stoter, Jantien},
	title = {Height references of {CityGML LOD1} buildings and their influence on applications},
	booktitle = {Proceedings of the 9th 3DGeoInfo Conference 2014},
	year = {2014},
	editor = {Breunig, Martin and Mulhim, Al-Doori and Butwilowski, Edgar and Kuper, Paul Vincent and Benner, Joachim and H{\"a}fele, Karl-Heinz},
	address = {Dubai, UAE}
}


2013

Automatic repair of CityGML LOD2 buildings using shrink-wrapping. Junqiao Zhao, Hugo Ledoux and Jantien Stoter. In Umit Isikdag (eds.), ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences. Proceedings of the ISPRS 8th 3DGeoInfo Conference & WG II/2 Workshop, Istanbul, Turkey, 2013, pp. 309–317.

@inproceedings{Zhao13,
	author = {Zhao, Junqiao and Ledoux, Hugo and Stoter, Jantien},
	title = {Automatic Repair Of {CityGML} {LOD2} Buildings Using Shrink-Wrapping},
	booktitle = {ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences. Proceedings of the ISPRS 8th 3DGeoInfo Conference {\&} WG II/2 Workshop},
	year = {2013},
	editor = {Isikdag, Umit},
	pages = {309--317},
	address = {Istanbul, Turkey}
}

Three-dimensional modeling with national coverage: case of the Netherlands. Jantien Stoter, Linda van den Brink, Jakob Beetz, Hugo Ledoux, Marcel Reuvers, Paul Janssen, Friso Penninga, George Vosselman and Sander Oude Elberink. Geo-spatial Information Science 16 (4), 2013, pp. 267–276.

@article{Stoter13b,
	author = {Jantien Stoter and van den Brink, Linda and Jakob Beetz and Hugo Ledoux and Marcel Reuvers and Paul Janssen and Friso Penninga and George Vosselman and Oude Elberink, Sander},
	title = {Three-dimensional modeling with national coverage: Case of the {Netherlands}},
	journal = {Geo-spatial Information Science},
	year = {2013},
	volume = {16},
	number = {4},
	pages = {267--276}
}

Establishing and implementing a national 3D standard in the Netherlands. J. E. Stoter, H. Ledoux, M. Reuvers, L. van den Brink, R. Klooster, P. Janssen, J. Beetz, F. Penninga and G. Vosselman. Photogrammetrie, Fernerkundung, Geoinformation 4, 2013, pp. 381–392.

@article{Stoter13a,
	author = {Stoter, J. E. and Ledoux, H. and Reuvers, M. and van den Brink, L. and Klooster, R. and Janssen, P. and Beetz, J. and Penninga, F. and Vosselman, G.},
	title = {Establishing and implementing a national {3D} standard in the {Netherlands}},
	journal = {Photogrammetrie, Fernerkundung, Geoinformation},
	year = {2013},
	number = {4},
	pages = {381--392}
}

EdgeCrack: a parallel divide-and-conquer algorithm for building a topological data structure. Martijn Meijers and Hugo Ledoux. In C. Ellul, S. Zlatanova, M. Rumor and R. Laurini (eds.), Urban and Regional Data Management: UDMS Annual 2013, CRC Press, 2013, pp. 107–116.

@incollection{Meijers13,
	author = {Meijers, Martijn and Ledoux, Hugo},
	title = {{EdgeCrack}: A parallel divide-and-conquer algorithm for building a topological data structure},
	booktitle = {Urban and Regional Data Management: UDMS Annual 2013},
	publisher = {CRC Press},
	year = {2013},
	editor = {C. Ellul and S. Zlatanova and M. Rumor and R. Laurini},
	pages = {107--116}
}

A star-based data structure to store efficiently 3D topography in a database. Hugo Ledoux and Martijn Meijers. Geo-spatial Information Science 16 (4), 2013, pp. 256–266.

@article{Ledoux13a,
	author = {Ledoux, Hugo and Meijers, Martijn},
	title = {A star-based data structure to store efficiently {3D} topography in a database},
	journal = {Geo-spatial Information Science},
	year = {2013},
	volume = {16},
	number = {4},
	pages = {256--266}
}

Representing three-dimensional topography in a DBMS with a star-based data structure. Hugo Ledoux and Martijn Meijers. In Jacynthe Pouliot, Sylvie Daniel, Frédéric Hubert and Alborz Zamyadi (eds.), Progress and New Trends in 3D Geoinformation Sciences, Lecture Notes in Geoinformation and Cartography, Springer Berlin Heidelberg, 2013, pp. 119–132.

@incollection{Ledoux13,
	author = {Ledoux, Hugo and Meijers, Martijn},
	title = {Representing Three-Dimensional Topography in a {DBMS} With a Star-Based Data Structure},
	booktitle = {Progress and New Trends in 3D Geoinformation Sciences},
	publisher = {Springer Berlin Heidelberg},
	year = {2013},
	editor = {Pouliot, Jacynthe and Daniel, Sylvie and Hubert, Fr{\'e}d{\'e}ric and Zamyadi, Alborz},
	series = {Lecture Notes in Geoinformation and Cartography},
	pages = {119--132}
}

Watershed delineation from the medial axis of river networks. Farid Karimipour, Mehran Ghandehari and Hugo Ledoux. Computers & Geosciences 59, 2013, pp. 132–147.

@article{Karimipour13a,
	author = {Karimipour, Farid and Ghandehari, Mehran and Ledoux, Hugo},
	title = {Watershed delineation from the medial axis of river networks},
	journal = {Computers \& Geosciences},
	year = {2013},
	volume = {59},
	pages = {132--147}
}

Revisiting the concept of level of detail in 3D city modelling. Filip Biljecki, Junqiao Zhao, Jantien Stoter and Hugo Ledoux. In Umit Isikdag (eds.), ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences. Proceedings of the ISPRS 8th 3DGeoInfo Conference & WG II/2 Workshop, Istanbul, Turkey, 2013, pp. 63–74.

@inproceedings{Biljecki13b,
	author = {Biljecki, Filip and Zhao, Junqiao and Stoter, Jantien and Ledoux, Hugo},
	title = {{Revisiting the concept of level of detail in 3D city modelling}},
	booktitle = {ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences. Proceedings of the ISPRS 8th 3DGeoInfo Conference {\&} WG II/2 Workshop},
	year = {2013},
	editor = {Isikdag, Umit},
	pages = {63--74},
	address = {Istanbul, Turkey}
}

Transportation mode-based segmentation and classification of movement trajectories. Filip Biljecki, Hugo Ledoux and Peter van Oosterom. International Journal of Geographical Information Science 27 (2), 2013, pp. 385–407.

@article{Biljecki13,
	author = {Biljecki, Filip and Ledoux, Hugo and van Oosterom, Peter},
	title = {Transportation mode-based segmentation and classification of movement trajectories},
	journal = {International Journal of Geographical Information Science},
	year = {2013},
	volume = {27},
	number = {2},
	pages = {385--407}
}

Using extrusion to generate higher-dimensional GIS datasets. Ken Arroyo Ohori and Hugo Ledoux. In Craig Knoblock, Peer Kröger, John Krumm, Markus Schneider and Peter Widmayer (eds.), Proceedings of the 21st ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems, The Association for Computing Machinery, Orlando, United States, 2013, pp. 418–421.

@inproceedings{ArroyoOhori13c,
	author = {Ken {Arroyo Ohori} and Hugo Ledoux},
	title = {Using extrusion to generate higher-dimensional {GIS} datasets},
	booktitle = {Proceedings of the 21st ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems},
	year = {2013},
	editor = {Craig Knoblock and Peer Kr\"{o}ger and John Krumm and Markus Schneider and Peter Widmayer},
	pages = {418--421},
	address = {Orlando, United States},
	publisher = {The Association for Computing Machinery}
}

Modelling higher dimensional data for GIS using generalised maps. Ken Arroyo Ohori, Hugo Ledoux and Jantien Stoter. In B. Murgante, S. Misra, M. Carlini, C. Torre, H.Q. Nguyen, D. Taniar, B. Apduhan and O. Gervasi (eds.), Computational Science and Its Applications — ICCSA 2013, Volume 7971 of Lecture Notes in Computer Science, Springer, 2013, pp. 526–539.

@incollection{ArroyoOhori13b,
	author = {Ken {Arroyo Ohori} and Hugo Ledoux and Jantien Stoter},
	title = {Modelling Higher Dimensional Data for {GIS} Using Generalised Maps},
	booktitle = {Computational Science and Its Applications --- ICCSA 2013},
	publisher = {Springer},
	year = {2013},
	editor = {B. Murgante and S. Misra and M. Carlini and C. Torre and H.Q. Nguyen and D. Taniar and B. Apduhan and O. Gervasi},
	volume = {7971},
	series = {Lecture Notes in Computer Science},
	pages = {526--539}
}

Manipulating higher dimensional spatial information. Ken Arroyo Ohori, Filip Biljecki, Jantien Stoter and Hugo Ledoux. In Geographic Information Science at the Heart of Europe. Proceedings of the 16th AGILE International Conference on Geographic Information Science, 2013.

@inproceedings{ArroyoOhori13a,
	author = {Ken {Arroyo Ohori} and Filip Biljecki and Jantien Stoter and Hugo Ledoux},
	title = {Manipulating higher dimensional spatial information},
	booktitle = {Geographic Information Science at the Heart of Europe. Proceedings of the 16th AGILE International Conference on Geographic Information Science},
	year = {2013}
}

Representing the dual of objects in a four-dimensional GIS. Ken Arroyo Ohori, Pawel Boguslawski and Hugo Ledoux. In A. Abdul Rahman, P. Boguslawski, C. Gold and M.N. Said (eds.), Developments in Multidimensional Spatial Data Models, Lecture Notes in Geoinformation and Cartography, Springer, 2013, pp. 17–31.

@incollection{ArroyoOhori13,
	author = {Ken {Arroyo Ohori} and Pawel Boguslawski and Hugo Ledoux},
	title = {Representing the dual of objects in a four-dimensional {GIS}},
	booktitle = {Developments in Multidimensional Spatial Data Models},
	publisher = {Springer},
	year = {2013},
	editor = {Abdul Rahman, A. and Boguslawski, P. and Gold, C. and Said, M.N.},
	series = {Lecture Notes in Geoinformation and Cartography},
	pages = {17--31}
}

Generation and dissemination of a national virtual 3D city and landscape model for the Netherlands. Sander Oude Elberink, Jantien Stoter, Hugo Ledoux and Tom Commandeur. Photogrammetric Engineering & Remote Sensing 79 (2), 2013, pp. 147–158.

@article{13_pers,
	author = {Oude Elberink, Sander and Stoter, Jantien and Ledoux, Hugo and Commandeur, Tom},
	title = {Generation and dissemination of a national virtual {3D} city and landscape model for the {N}etherlands},
	journal = {Photogrammetric Engineering \& Remote Sensing},
	year = {2013},
	volume = {79},
	number = {2},
	pages = {147--158}
}

Generation and generalization of safe depth-contours for hydrographic charts using a surface-based approach. Ravi Peters, Hugo Ledoux and Martijn Meijers. In D. Burghardt (eds.), Proceedings 16th ICA Generalisation Workshop, Dresden, Germany, 2013.

@inproceedings{13_icagenz,
	author = {Peters, Ravi and Ledoux, Hugo and Meijers, Martijn},
	title = {Generation and generalization of safe depth-contours for hydrographic charts using a surface-based approach},
	booktitle = {Proceedings 16th ICA Generalisation Workshop},
	year = {2013},
	editor = {D. Burghardt},
	address = {Dresden, Germany}
}

On the validation of solids represented with the international standards for geographic information. Hugo Ledoux. Computer-Aided Civil and Infrastructure Engineering 28 (9), 2013, pp. 693–706.

@article{13_cacaie,
	author = {Ledoux, Hugo},
	title = {On the validation of solids represented with the international standards for geographic information},
	journal = {Computer-Aided Civil and Infrastructure Engineering},
	year = {2013},
	volume = {28},
	number = {9},
	pages = {693--706}
}


2012

Automatically repairing invalid polygons with a constrained triangulation. Hugo Ledoux, Ken Arroyo Ohori and Martijn Meijers. In Jérôme Gensel, Didier Josselin and Danny Vandenbroucke (eds.), Multidisciplinary Research on Geographical Information in Europe and Beyond. Proceedings of the AGILE'2012 International Conference on Geographic Information Science, Avignon, France, 2012, pp. 13–18.

@inproceedings{_agile12,
	author = {Hugo Ledoux and Arroyo Ohori, Ken and Meijers, Martijn},
	title = {Automatically repairing invalid polygons with a constrained triangulation},
	booktitle = {Multidisciplinary Research on Geographical Information in Europe and Beyond. Proceedings of the AGILE'2012 International Conference on Geographic Information Science},
	year = {2012},
	editor = {J\'er\^ome Gensel and Didier Josselin and Danny Vandenbroucke},
	pages = {13--18},
	address = {Avignon, France}
}

Repair and generalization of hand-made 3D building models. Junqiao Zhao, Jantien Stoter, Hugo Ledoux and Qing Zhu. In Proceedings of the 15th Workshop of the ICA Commission on Generalisation and Multiple Representation, Istanbul, Turkey, 2012.

@inproceedings{Zhao12,
	author = {Junqiao Zhao and Jantien Stoter and Hugo Ledoux and Qing Zhu},
	title = {Repair and generalization of hand-made {3D} building models},
	booktitle = {Proceedings of the 15th Workshop of the ICA Commission on Generalisation and Multiple Representation},
	year = {2012},
	address = {Istanbul, Turkey}
}

Integrating scale and space in 3D city models. Jantien Stoter, Hugo Ledoux, Ken Arroyo Ohori and Martijn Meijers. In J. Pouliot, S. Daniel, F. Hubert and A. Zamyadi (eds.), Proceedings 7th International Conference on 3D Geoinformation, ISPRS Archives, 2012, pp. 7–10.

@inproceedings{Stoter12a,
	author = {Stoter, Jantien and Ledoux, Hugo and Arroyo Ohori, Ken and Meijers, Martijn},
	title = {Integrating Scale and Space in {3D} City Models},
	booktitle = {Proceedings 7th International Conference on 3D Geoinformation},
	year = {2012},
	editor = {J. Pouliot and S. Daniel and F. Hubert and A. Zamyadi},
	volume = {XXXVIII-4/C26},
	pages = {7--10},
	publisher = {ISPRS Archives}
}

Technical specifications for the construction of 3D IMGeo-CityGML. Jan Blaauboer, Joris Goos, Hugo Ledoux, Friso Penninga, Marcel Reuvers and Jantien Stoter. Technical report, Geonovum, 2012.

@techreport{Blaauboer12,
	author = {Jan Blaauboer and Joris Goos and Hugo Ledoux and Friso Penninga and Marcel Reuvers and Jantien Stoter},
	title = {Technical specifications for the construction of {3D IMGeo-CityGML}},
	institution = {Geonovum},
	year = {2012}
}

Validation and automatic repair of planar partitions using a constrained triangulation. Ken Arroyo Ohori, Hugo Ledoux and Martijn Meijers. Photogrammetrie, Fernerkundung, Geoinformation 1 (5), 2012, pp. 613–630.

@article{ArroyoOhori12a,
	author = {Arroyo Ohori, Ken and Ledoux, Hugo and Meijers, Martijn},
	title = {Validation and Automatic Repair of Planar Partitions Using a Constrained Triangulation},
	journal = {Photogrammetrie, Fernerkundung, Geoinformation},
	year = {2012},
	volume = {1},
	number = {5},
	pages = {613--630}
}

Automatically repairing polygons and planar partitions with prepair and pprepair. Ken Arroyo Ohori, Hugo Ledoux and Martijn Meijers. In Suchith Anand, Jeremy Morley and Mike Jackson (eds.), Proceedings of the 4th Open Source GIS UK Conference, 2012. Won best paper/presentation award

@inproceedings{ArroyoOhori12,
	author = {Ken {Arroyo Ohori} and Hugo Ledoux and Martijn Meijers},
	title = {Automatically repairing polygons and planar partitions with prepair and pprepair},
	booktitle = {Proceedings of the 4th Open Source GIS UK Conference},
	year = {2012},
	editor = {Suchith Anand and Jeremy Morley and Mike Jackson}
}

Edge-matching in data harmonisation. Hugo Ledoux and Ken Arroyo Ohori. Technical report, Delft University of Technology, 2012.

@techreport{12humboldt_edgematching,
	author = {Ledoux, Hugo and Arroyo Ohori, Ken},
	title = {Edge-matching in data harmonisation},
	institution = {Delft University of Technology},
	year = {2012}
}

Een landsdekkende BGT, zonder gaten en overlap. Ken Arroyo Ohori, Hugo Ledoux, Martijn Meijers and Jantien Stoter. Geo-Info 8, 2012, pp. 4–8.

@article{12_geoinfo,
	author = {Arroyo Ohori, Ken and Ledoux, Hugo and Meijers, Martijn and Stoter, Jantien},
	title = {Een landsdekkende {BGT}, zonder gaten en overlap},
	journal = {Geo-Info},
	year = {2012},
	volume = {8},
	pages = {4--8}
}


2011

Modelling three-dimensional geoscientific datasets with the discrete Voronoi diagram. Tom Van der Putte and Hugo Ledoux. In T. H. Kolbe, G. Köning and C. Nagel (eds.), Advances in 3D Geo-Information Sciences, Lecture Notes in Geoinformation and Cartography, Springer-Verlag, Berlin Heidelberg, 2011, pp. 227–242.

@incollection{vdPutte11,
	author = {Van der Putte, Tom and Ledoux, Hugo},
	title = {Modelling three-dimensional geoscientific datasets with the discrete {V}oronoi diagram},
	booktitle = {Advances in 3D Geo-Information Sciences},
	publisher = {Springer-Verlag},
	year = {2011},
	editor = {Kolbe, T. H. and K\"oning, G. and Nagel, C.},
	series = {Lecture Notes in Geoinformation and Cartography},
	pages = {227--242},
	address = {Berlin Heidelberg}
}

Edge-matching polygons with a constrained triangulation. Hugo Ledoux and Ken Arroyo Ohori. In Proceedings of Symposium GIS Ostrava 2011, Ostrava, Czech Republic, 2011.

@inproceedings{_11ostrava,
	author = {Ledoux, Hugo and Arroyo Ohori, Ken},
	title = {Edge-matching polygons with a constrained triangulation},
	booktitle = {Proceedings of Symposium GIS Ostrava 2011},
	year = {2011},
	address = {Ostrava, Czech Republic}
}

Design and development of a 3D cadastral prototype based on the LADM and 3D topology. S. Ying, R. Guo, L. Li, P. J. M. van Oosterom, H. Ledoux and J. E. Stoter. In P. J. M van Oosterom, E. M. Fendel, J. E. Stoter and A. Streilein (eds.), Proceedings 2nd International Workshop on 3D Cadastres, Copenhagen: International Federation of Surveyors (FIG), 2011, pp. 167–188.

@inproceedings{Ying11,
	author = {Ying, S. and Guo, R. and Li, L. and van Oosterom, P. J. M. and Ledoux, H. and Stoter, J. E.},
	title = {Design and development of a {3D} cadastral prototype based on the {LADM} and {3D} topology},
	booktitle = {Proceedings 2nd International Workshop on 3D Cadastres},
	year = {2011},
	editor = {van Oosterom, P. J. M and Fendel, E. M. and Stoter, J. E. and Streilein, A.},
	pages = {167--188},
	publisher = {Copenhagen: International Federation of Surveyors (FIG)}
}

Topologically consistent 3D city models obtained by extrusion. Hugo Ledoux and Martijn Meijers. International Journal of Geographical Information Science 25 (4), 2011, pp. 557–574.

@article{Ledoux11a,
	author = {Ledoux, Hugo and Meijers, Martijn},
	title = {Topologically consistent {3D} city models obtained by extrusion},
	journal = {International Journal of Geographical Information Science},
	year = {2011},
	volume = {25},
	number = {4},
	pages = {557--574}
}

Modelling and analysing 3D buildings with a primal/dual data structure. Pawel Boguslawski, Christopher M. Gold and Hugo Ledoux. ISPRS Journal of Photogrammetry & Remote Sensing 66, 2011, pp. 188–197. Won the ISPRS best paper award in 2011

@article{Boguslawski11,
	author = {Pawel Boguslawski and Christopher M. Gold and Hugo Ledoux},
	title = {Modelling and analysing {3D} buildings with a primal/dual data structure},
	journal = {ISPRS Journal of Photogrammetry \& Remote Sensing},
	year = {2011},
	volume = {66},
	pages = {188--197}
}


2010

Validation of planar partitions using constrained triangulations. Hugo Ledoux and Martijn Meijers. In Proceedings Joint International Conference on Theory, Data Handling and Modelling in GeoSpatial Information Science, Hong Kong, 2010, pp. 51–56.

@inproceedings{_10sdh,
	author = {Ledoux, Hugo and Meijers, Martijn},
	title = {Validation of planar partitions using constrained triangulations},
	booktitle = {Proceedings Joint International Conference on Theory, Data Handling and Modelling in GeoSpatial Information Science},
	year = {2010},
	pages = {51--56},
	address = {Hong Kong}
}

Storage and analysis of massive TINs in a DBMS. Hugo Ledoux. In P. J. M. van Oosterom, M. G. Vosselman, Th. A. G. P. van Dijk and M. Uitentuis (eds.), Management of massive point cloud data: wet and dry, Nederlandse Commissie voor Geodesie, 2010, pp. 45–51.

@incollection{_10ncgpointcloud,
	author = {Ledoux, Hugo},
	title = {Storage and analysis of massive {TINs} in a {DBMS}},
	booktitle = {Management of massive point cloud data: wet and dry},
	publisher = {Nederlandse Commissie voor Geodesie},
	year = {2010},
	editor = {van Oosterom, P. J. M. and Vosselman, M. G. and van Dijk, Th. A. G. P. and Uitentuis, M.},
	volume = {49},
	pages = {45--51}
}

Visualization, storage, analysis and distribution of MASSIVE aerial LiDAR point clouds. Gerwin de Haan and Hugo Ledoux. Presentation given at GeoWeb, 2010.

@misc{10_geoweb,
	author = {de Haan, Gerwin and Ledoux, Hugo},
	title = {Visualization, storage, analysis and distribution of {MASSIVE} aerial {LiDAR} point clouds},
	howpublished = {Presentation given at GeoWeb},
	year = {2010}
}

Storing and analysing massive aerial LiDAR datasets in a DBMS. Hugo Ledoux. Presentation at the European LiDAR Mapping Forum (2010/11/30, The Hague, the Netherlands), 2010.

@misc{10_elmf,
	author = {Hugo Ledoux},
	title = {Storing and analysing massive aerial {LiDAR} datasets in a {DBMS}},
	howpublished = {Presentation at the European LiDAR Mapping Forum (2010/11/30, The Hague, the Netherlands)},
	year = {2010}
}


2009

Extruding building footprints to create topologically consistent 3D city models. Hugo Ledoux and Martijn Meijers. In A. Krek, M. Rumor, S. Zlatanova and E.M. Fendel (eds.), Urban and Regional Data Management, UDMS Annual 2009, CRC Press, 2009, pp. 39–48.

@incollection{_09udms,
	author = {Ledoux, Hugo and Meijers, Martijn},
	title = {Extruding building footprints to create topologically consistent {3D} city models},
	booktitle = {Urban and Regional Data Management, UDMS Annual 2009},
	publisher = {CRC Press},
	year = {2009},
	editor = {Krek, A. and Rumor, M. and Zlatanova, S. and Fendel, E.M.},
	pages = {39--48}
}

Topologisch consistente 3d-stadsmodellen: een aanpak op basis van extrusie en triangulatie. Hugo Ledoux and Martijn Meijers. Geo-Info 12, 2009, pp. 8–12.

@article{_09geoinfo,
	author = {Ledoux, Hugo and Meijers, Martijn},
	title = {Topologisch consistente 3D-stadsmodellen: Een aanpak op basis van extrusie en triangulatie},
	journal = {Geo-Info},
	year = {2009},
	volume = {12},
	pages = {8--12}
}

3D validation of CityGML. Hugo Ledoux. Presentation at the 3D-GIS Swedish Conference. March 10–11 in Stockholm, Sweden, 2009.

@misc{_093dgissweden,
	author = {Ledoux, Hugo},
	title = {{3D} Validation of {CityGML}},
	howpublished = {Presentation at the 3D-GIS Swedish Conference. March 10--11 in Stockholm, Sweden},
	year = {2009}
}

Geometric validation of GML solids with the constrained Delaunay tetrahedralization. Hugo Ledoux, Edward Verbree and Hang Si. In P. De Maeyer, T. Neutens and M. De Ryck (eds.), Proceedings 4th International Workshop on 3D Geo-Information, 2009, pp. 143–148.

@inproceedings{_093dgeoinfo,
	author = {Ledoux, Hugo and Verbree, Edward and Si, Hang},
	title = {Geometric Validation of {GML} Solids with the Constrained {Delaunay} Tetrahedralization},
	booktitle = {Proceedings 4th International Workshop on 3D Geo-Information},
	year = {2009},
	editor = {De Maeyer, P. and Neutens, T. and De Ryck, M.},
	pages = {143--148}
}


2008

Modeling mineral deposits with GIS on the base of 3D Delaunay triangulation and Voronoi diagram (in russian). Pavel V. Vassilev and Hugo Ledoux. In Proceedings VIII International Conference—Informatics: problems, methodology and technology, Voronej State University, Russia, 2008.

@inproceedings{_08voronej,
	author = {Vassilev, Pavel V. and Ledoux, Hugo},
	title = {Modeling Mineral Deposits with {GIS} on the Base of {3D} {Delaunay} Triangulation and {Voronoi} Diagram (in Russian)},
	booktitle = {Proceedings VIII International Conference---Informatics: problems, methodology and technology},
	year = {2008},
	address = {Voronej State University, Russia}
}

FieldGML: an alternative representation for fields. Hugo Ledoux. In Anne Ruas and Christopher M. Gold (eds.), Headway in Spatial Data Handling, Lecture Notes in Geoinformation and Cartography, Springer, 2008, pp. 385–400.

@incollection{_08sdh,
	author = {Ledoux, Hugo},
	title = {{FieldGML}: An Alternative Representation for Fields},
	booktitle = {Headway in Spatial Data Handling},
	publisher = {Springer},
	year = {2008},
	editor = {Ruas, Anne and Gold, Christopher M.},
	series = {Lecture Notes in Geoinformation and Cartography},
	pages = {385--400}
}

Modeling ore texture and mineral liberation using 3D Voronoi diagrams. Pavel V. Vassilev, Hugo Ledoux and Christopher M. Gold. In V.A. Garanzha, J.R. Evtushenko, B.K Soni and N.P. Weatherill (eds.), Proceedings International conference on Numerical geometry, grid generation and scientific computing (NUMGRID2008), Moscow, Russia, 2008, pp. 220–225.

@inproceedings{_08numgrid,
	author = {Vassilev, Pavel V. and Ledoux, Hugo and Gold, Christopher M.},
	title = {Modeling ore texture and mineral liberation using {3D} {Voronoi} diagrams},
	booktitle = {Proceedings International conference on Numerical geometry, grid generation and scientific computing (NUMGRID2008)},
	year = {2008},
	editor = {Garanzha, V.A. and Evtushenko, J.R. and Soni, B.K and Weatherill, N.P.},
	pages = {220--225},
	address = {Moscow, Russia}
}

Modelling three-dimensional geoscientific fields with the Voronoi diagram and its dual. Hugo Ledoux and Christopher M. Gold. International Journal of Geographical Information Science 22 (5), 2008, pp. 547–574.

@article{_08ijgis,
	author = {Ledoux, Hugo and Gold, Christopher M.},
	title = {Modelling three-dimensional geoscientific fields with the {V}oronoi diagram and its dual},
	journal = {International Journal of Geographical Information Science},
	year = {2008},
	volume = {22},
	number = {5},
	pages = {547--574}
}

The kinetic 3D Voronoi diagram for simulating processes. Hugo Ledoux. In P. van Oosterom, S. Zlatanova, F. Penninga and E. Fendel (eds.), Advances in 3D Geoinformation Systems, Chapter 20, Lectures Notes in Geoinformation and Cartography, Springer Berlin Heidelberg, 2008, pp. 361–380.

@incollection{_073dgeoinfo,
	author = {Ledoux, Hugo},
	title = {The kinetic {3D} {Voronoi} diagram for simulating processes},
	booktitle = {Advances in 3D Geoinformation Systems},
	publisher = {Springer Berlin Heidelberg},
	year = {2008},
	editor = {P. van Oosterom and S. Zlatanova and F. Penninga and E. Fendel},
	series = {Lectures Notes in Geoinformation and Cartography},
	chapter = {20},
	pages = {361--380}
}


2007

Computing the 3D Voronoi diagram robustly: an easy explanation. Hugo Ledoux. In Proceedings 4th International Symposium on Voronoi Diagrams in Science and Engineering, IEEE Computer Society, Pontypridd, Wales, UK, 2007, pp. 117–129.

@inproceedings{_07isvd,
	author = {Ledoux, Hugo},
	title = {Computing the {3D Voronoi} Diagram Robustly: An Easy Explanation},
	booktitle = {Proceedings 4th International Symposium on Voronoi Diagrams in Science and Engineering},
	year = {2007},
	pages = {117--129},
	address = {Pontypridd, Wales, UK},
	publisher = {IEEE Computer Society}
}

The 3D Voronoi diagram: A tool for the modelling of geoscientific datasets. Hugo Ledoux and Christopher M. Gold. In Proceedings le GéoCongrès International 2007, Quebec City, Canada, 2007.

@inproceedings{_07geocongres,
	author = {Ledoux, Hugo and Gold, Christopher M.},
	title = {The {3D} {Voronoi} Diagram: {A} Tool for the Modelling of Geoscientific Datasets},
	booktitle = {Proceedings le G\'eoCongr\`es International 2007},
	year = {2007},
	address = {Quebec City, Canada}
}

Modelling and visualisation of fish aggregations using 3D Delaunay triangulation and alpha shapes. Valérie Carette, Mir Abolfazl Mostafavi, Rodolphe Devillers, George Rose, Hugo Ledoux and Christopher M. Gold. In Proceedings 8th International Symposium on GIS and Computer Mapping for Coastal Zone Management, Santander, Spain, 2007, pp. 403–412.

@inproceedings{_07coastgis,
	author = {Carette, Val\'erie and Mostafavi, Mir Abolfazl and Devillers, Rodolphe and Rose, George and Ledoux, Hugo and Gold, Christopher M.},
	title = {Modelling and visualisation of fish aggregations using {3D} {Delaunay} triangulation and alpha shapes},
	booktitle = {Proceedings 8th International Symposium on GIS and Computer Mapping for Coastal Zone Management},
	year = {2007},
	pages = {403--412},
	address = {Santander, Spain}
}

Simultaneous storage of primal and dual three-dimensional subdivisions. Hugo Ledoux and Christopher M. Gold. Computers, Environment and Urban Systems 31 (4), 2007, pp. 393–408.

@article{_07ceus,
	author = {Ledoux, Hugo and Gold, Christopher M.},
	title = {{S}imultaneous storage of primal and dual three-dimensional subdivisions},
	journal = {Computers, Environment and Urban Systems},
	year = {2007},
	volume = {31},
	number = {4},
	pages = {393--408}
}


2006

Modelling three-dimensional fields in geoscience with the Voronoi diagram and its dual. Hugo Ledoux. PhD thesis, School of Computing, University of Glamorgan, 2006.

@phdthesis{_thesis,
	author = {Ledoux, Hugo},
	title = {Modelling three-dimensional fields in geoscience with the {Voronoi} diagram and its dual},
	school = {School of Computing, University of Glamorgan},
	year = {2006},
	address = {Pontypridd, Wales, UK}
}

A Voronoi-based map algebra. Hugo Ledoux and Christopher M. Gold. In A. Reidl, W. Kainz and G. Elmes (eds.), Progress in Spatial Data Handling—12th International Symposium on Spatial Data Handling, Springer, 2006, pp. 117–131.

@incollection{_06sdh,
	author = {Ledoux, Hugo and Gold, Christopher M.},
	title = {{A} {V}oronoi-based map algebra},
	booktitle = {Progress in Spatial Data Handling---12th International Symposium on Spatial Data Handling},
	publisher = {Springer},
	year = {2006},
	editor = {Reidl, A. and Kainz, W. and Elmes, G.},
	pages = {117--131}
}

La modélisation de données océanographiques à l'aide du diagramme de Voronoï tridimensionnel. Hugo Ledoux and Christopher M. Gold. Revue internationale de géomatique 16 (1), 2006, pp. 51–70.

@article{_06rig,
	author = {Ledoux, Hugo and Gold, Christopher M.},
	title = {La mod\'elisation de donn\'ees oc\'eanographiques \`a l'aide du diagramme de {V}orono\"i tridimensionnel},
	journal = {Revue internationale de g\'eomatique},
	year = {2006},
	volume = {16},
	number = {1},
	pages = {51--70}
}

Modelling three-dimensional fields in geoscience with the Voronoi diagram and its dual. Hugo Ledoux. In Jörg-Rüdiger Sack, Monika Sester, Peter van Oosterom and Michael Worboys (eds.), Spatial Data: mining, processing and communicating, Dagstuhl Seminar Proceedings, 06101, Dagstuhl, Germany, 2006.

@inproceedings{_06dagstuhl,
	author = {Ledoux, Hugo},
	title = {Modelling Three-dimensional Fields in Geoscience with the {V}oronoi Diagram and its Dual},
	booktitle = {Spatial Data: mining, processing and communicating},
	year = {2006},
	editor = {J{\"o}rg-R{\"u}diger Sack and Monika Sester and Peter van Oosterom and Michael Worboys},
	number = {06101},
	series = {Dagstuhl Seminar Proceedings},
	address = {Dagstuhl, Germany}
}

Building reconstruction—outside and in. Christopher M. Gold, Rebecca O. C. Tse and Hugo Ledoux. In Alias Abdul-Rahman, Sisi Zlatanova and Volker Coors (eds.), Innovations in 3D Geo Information Systems, Lecture Notes in Geoinformation and Cartography, Springer, 2006, pp. 355–369.

@incollection{_063dgis,
	author = {Gold, Christopher M. and Tse, Rebecca O. C. and Ledoux, Hugo},
	title = {Building Reconstruction---Outside and In},
	booktitle = {Innovations in 3D Geo Information Systems},
	publisher = {Springer},
	year = {2006},
	editor = {Abdul-Rahman, Alias and Zlatanova, Sisi and Coors, Volker},
	series = {Lecture Notes in Geoinformation and Cartography},
	pages = {355--369}
}


2005

A data structure for the construction and navigation of 3D Voronoi and Delaunay cell complexes. Christopher M. Gold, Hugo Ledoux and Marcin Dzieszko. In Proceedings 13th International Conference in Central Europe on Computer Graphics, Visualization and Computer Vision, Plzeň, Czech Republic, 2005, pp. 21–22.

@inproceedings{_05wscg,
	author = {Gold, Christopher M. and Ledoux, Hugo and Dzieszko, Marcin},
	title = {{A} data structure for the construction and navigation of {3D} {V}oronoi and {D}elaunay cell complexes},
	booktitle = {Proceedings 13th International Conference in Central Europe on Computer Graphics, Visualization and Computer Vision},
	year = {2005},
	pages = {21--22},
	address = {Plze\v{n}, Czech Republic}
}

Flipping to robustly delete a vertex in a Delaunay tetrahedralization. Hugo Ledoux, Christopher M. Gold and George Baciu. In Proceedings International Conference on Computational Science and its Applications—ICCSA 2005, Volume 3480 of Lecture Notes in Computer Science, Springer-Verlag, Singapore, 2005, pp. 737–747.

@inproceedings{_05iccsa,
	author = {Ledoux, Hugo and Gold, Christopher M. and Baciu, George},
	title = {{F}lipping to robustly delete a vertex in a {Delaunay} tetrahedralization},
	booktitle = {Proceedings International Conference on Computational Science and its Applications---ICCSA 2005},
	year = {2005},
	volume = {3480},
	series = {Lecture Notes in Computer Science},
	pages = {737--747},
	address = {Singapore},
	publisher = {Springer-Verlag}
}

The 3D Voronoi diagram and its dual: Simultaneous construction and storage. Hugo Ledoux and Christopher M. Gold. In Topology and Spatial Databases Workshop 2005, Glasgow, Scotland, UK, 2005.

@inproceedings{_05glasgow,
	author = {Ledoux, Hugo and Gold, Christopher M.},
	title = {{T}he {3D} {Voronoi} diagram and its dual: {S}imultaneous construction and storage},
	booktitle = {Topology and Spatial Databases Workshop 2005},
	year = {2005},
	address = {Glasgow, Scotland, UK}
}

Spatial interpolation: From two to three dimensions. Hugo Ledoux and Christopher M. Gold. In Proceedings GIS Research UK, 13th Annual Conference, Glasgow, Scotland, UK, 2005, pp. 518–523.

@inproceedings{_05gisruk,
	author = {Ledoux, Hugo and Gold, Christopher M.},
	title = {{S}patial interpolation: {F}rom two to three dimensions},
	booktitle = {Proceedings GIS Research UK, 13th Annual Conference},
	year = {2005},
	pages = {518--523},
	address = {Glasgow, Scotland, UK}
}

Interpolation as a tool for the modelling of three-dimensional geoscientific datasets. Hugo Ledoux and Christopher M. Gold. In Proceedings 4th ISPRS Workshop on Dynamic and Multi-dimensional GIS, Pontypridd, Wales, UK, 2005, pp. 79–84.

@inproceedings{_05dmgis,
	author = {Ledoux, Hugo and Gold, Christopher M.},
	title = {{I}nterpolation as a tool for the modelling of three-dimensional geoscientific datasets},
	booktitle = {Proceedings 4th ISPRS Workshop on Dynamic and Multi-dimensional GIS},
	year = {2005},
	pages = {79--84},
	address = {Pontypridd, Wales, UK}
}


2004

An efficient natural neighbour interpolation algorithm for geoscientific modelling. Hugo Ledoux and Christopher M. Gold. In Peter F. Fisher (eds.), Developments in Spatial Data Handling—11th International Symposium on Spatial Data Handling, Springer, 2004, pp. 97–108.

@incollection{_04sdh,
	author = {Ledoux, Hugo and Gold, Christopher M.},
	title = {{A}n efficient natural neighbour interpolation algorithm for geoscientific modelling},
	booktitle = {Developments in Spatial Data Handling---11th International Symposium on Spatial Data Handling},
	publisher = {Springer},
	year = {2004},
	editor = {Fisher, Peter F.},
	pages = {97--108}
}

Modelling oceanographic data with the three-dimensional Voronoi diagram. Hugo Ledoux and Christopher M. Gold. In ISPRS 2004—XXth Congress, Istanbul, Turkey, 2004, pp. 703–708.

@inproceedings{_04isprs,
	author = {Ledoux, Hugo and Gold, Christopher M.},
	title = {{M}odelling oceanographic data with the three-dimensional {V}oronoi diagram},
	booktitle = {ISPRS 2004---XXth Congress},
	year = {2004},
	volume = {II},
	pages = {703--708},
	address = {Istanbul, Turkey}
}


2003

Development of a Marine GIS. Christopher M. Gold, Rafal Goralski and Hugo Ledoux. In Proceedings 21st International Cartographic Conference, Durban, South Africa, 2003.

@inproceedings{_03icc,
	author = {Gold, Christopher M. and Goralski, Rafal and Ledoux, Hugo},
	title = {{D}evelopment of a {Marine GIS}},
	booktitle = {Proceedings 21st International Cartographic Conference},
	year = {2003},
	address = {Durban, South Africa}
}