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CityGML数据因建模方法、模型优化及数据转换等原因所导致的模型几何、拓扑、语义不一致性广泛存在，影响了对其的进一步应用。本文提出并构建了顾及语义约束的CityGML建筑物模型拓扑一致性规则集，设计了对CityGML LOD2/LOD3/LOD4多细节层次建筑物模型数据进行自动检测与修复的算法，并采用OGC官网公开数据对算法进行了验证试验。试验结果表明，所构建一致性规则集具有较好的完备性，算法能...
3D CITYGML BUILDING MODELLING FROM LIDAR POINT CLOUD DATA
LiDAR point cloud, CityGML LoD1 LoD Smart Cities D building model
2019/2/27
With recent government initiatives for smart cities, 3D virtual city models are in demand for managing and monitoring the urban infrastructure. 3D building models forms an important component of 3D vi...
WHAT IS THE NEED FOR BUILDING PARTS? – A COMPARISON OF CITYGML, INSPIRE BUILDING AND A SWEDISH BUILDING STANDARD
Buildings Building parts CityGML INSPIRE building Svensk geoprocess specifications IFC
2018/11/9
The need for digital building information is increasing, both in the form of 3D city models (as geodata) and of more detailed building information models (BIM). BIM models are mainly used in the archi...
MIGRATION OF DIGITAL CARTOGRAPHY TO CITYGML; A WEB-BASED TOOL FOR SUPPORTING SIMPLE ETL PROCEDURES
CityGML GIS Extract Transform and Load ETL, Open Source
2018/11/9
Digital cartography is notably produced in all countries, in different scales and formats. Latest cartographic production aims at creating 3D objects with topological consistency and rich information ...
EXTENDING INDOOR OPEN STREET MAPPING ENVIRONMENTS TO NAVIGABLE 3D CITYGML BUILDING MODELS: EMERGENCY RESPONSE ASSESSMENT
Emergency evacuation responses Digital data management
2018/11/9
Disaster scenarios in high-rise buildings such as the Address Downtown, Dubai or Grenfell Tower, London have showed ones again the importance of data information availability for emergency management ...
CELL COMPLEXES TOPOLOGICAL LINKS FOR BUILDINGS IN CITYGML
CityGML 3D Topology 3D City Model
2018/11/9
Topology has served as the foundation for analysis in modelling cities and buildings. CityGML as an international standard for 3D city modelling utilises a simple ‘topology-incidence’ which links conn...
A PROPOSAL FOR AN IMPROVED TRANSPORTATION MODEL IN CITYGML
3D city modelling CityGML road modelling transporation levels of detail needs analysis
2018/11/9
CityGML, an OGC standard, is an open data model for virtual 3D city models and includes buildings, roads, terrain, water bodies, etc. While many modules are well-developed (eg buildings, bridges, tunn...
MODELING TREES FOR VIRTUAL SINGAPORE: FROM DATA ACQUISITION TO CITYGML MODELS
LiDAR virtual city tree extraction and quantification procedural tree modeling
2018/11/9
Singapore, branded as a “City in a Garden”, has a long standing commitment to green the nation, one which has resulted in trees becoming an integral component of the urban environment. Similarly for i...
INVESTIGATING INTEROPERABILITY CAPABILITIES BETWEEN IFC AND CITYGML LOD 4 – RETAINING SEMANTIC INFORMATION
CityGML IFC 3D Model BIM GIS Data Integration FME
2018/11/9
Applications of 3D City Models range from assessing the potential output of solar panels across a city to determining the best location for 5G mobile phone masts. While in the past these models were n...
A ROADMAP FOR GENERATING SEMANTICALLY ENRICHED BUILDING MODELS ACCORDING TO CITYGML MODEL VIA TWO DIFFERENT METHODOLOGIES
3D Modeling Trimble SketchUp CityEngine FME CityGML 3DCitiesProject 3DCIM Semantics
2016/10/14
The methodologies of 3D modeling techniques have increasingly increased due to the rapid advances of new technologies. Nowadays, the focus of 3D modeling software is focused, not only to the finest vi...
3D BUILDING MODELING IN LOD2 USING THE CITYGML STANDARD
CityGML 3D Modeling Buildings LoD2 Database PostgreSQL 3DCityDB SketchUp
2016/10/14
Over the last decade, scientific research has been increasingly focused on the third dimension in all fields and especially in sciences related to geographic information, the visualization of natural ...
INVESTIGATING THE ENRICHMENT OF A 3D CITY MODEL WITH VARIOUS CITYGML MODULES
3D Modeling Trimble SketchUp FME CityGML Modules semantics 3D City Model
2016/10/14
Recent developments in the massive 3D acquisition area made possible the generation of dense and precise 3D data, ranging from the representation of a simple building to a whole city. Nowadays, increa...
ESTABLISHING A NATIONAL 3D GEO-DATA MODEL FOR BUILDING DATA COMPLIANT TO CITYGML: CASE OF TURKEY
3D Data Modeling CityGML 3D Building Model
2016/7/8
This paper presents the generation of the 3D national building geo-data model of Turkey, which is compatible with the international OGC CityGML Encoding Standard. We prepare an ADE named CityGML-TRKBI...
USING STANDARDS AND WEB 2.0 TECHNOLOGIES FOR E-LEARNING MODULES-JOINT DEVELOPMENT OF AN EUROSDR COURSE ON CITYGML
Education Learning Teaching Web-based Standards CityGML
2015/12/22
E-learning in Europe has gained a sustainable impulse with the Bologna process, an agreement aiming at making academic degrees and quality assurance standards more comparable and compatible throughout...
Nowadays, rapid technological development into acquiring geo-spatial information; joined to the capabilities to process these data in a relative short period of time, allows the generation of detailed...