Li Meng-Development of New 3D GIS Technology.pdf

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1、P1Li MengSuperMap Research Institute 3D R&D Center Developments of New Generation 3D GIS Technology and ProductP2New generation 3D GIS technology helps improve Digital Transformation3D GIS platform softwareCity Information ModelingNatural resources managementReal 3D SceneSpatiotemporal data basis3D

2、GIS Applications FieldsDigital Water resourcesDigital CampusDigital Power GridDigital GovernmentIndustry Digital TransformationDigital CultureDigital TrafficDigital Public ServiceP3Technological Improvements多源三维数据融合1Efficient multi-source 3D data management technology2Performance and effectiveness e

3、nhanced Web3D technology3High-Fidelity rendering technology42D&3D integrated data model technologyP4P42D&3D integrated data model technology1P5Spatial Data ModelObject Modelpoint、line、polygonsolidsolid(B-Rep)solid(CSG)Network Model2D network model3D network modelField Model2D field model(surface mod

4、el)TIN,Grid3D field modelTIM,Voxel Grid2D&3D Integrated Spatial Data Model SystemP6Efficient and flexible 3D Modeling Capabilities3D ModelingParametric Modeling2D&3D point,line,polygonAttribute information,rich modeling operatorsInteractive ModelingModify orientation and scaleModify material,texture

5、More effectiveMoreflexible P711i(2023)AddedModel Processing/ComputationExtract Model PropertyTerrain Modify ModelBreaking/splittingMerge/Split DatasetIterate over the model datasetDataset Split by SQL QueryBuild/Delete model LODEllipsoid TransformationS3M merge root nodeMultiple Model ConvertRemove

6、Duplicate Points/SurfacesSingle ConvertDataset Split by FieldUnique ValueManifold/Topological CorrectionModel RotationProjection PlaneCoordinate ZeroingRemove/CalculatenormalsConvert Model Data ProjectionProjection Linear ShapeDelete Duplicate Sub ObjectsGet BorderModify Material ColorModel Instanti