City models have a wide variety of uses that require different kind of data representation or data models.Having a dynamic model that enables picking the right representations(meshes,volumetric data,point cloud,etc.)c...City models have a wide variety of uses that require different kind of data representation or data models.Having a dynamic model that enables picking the right representations(meshes,volumetric data,point cloud,etc.)can prove useful to adapt an application to each user’s needs.In this paper,we present an original method to create personalised visualisations of 3D city models on the fly.By organising the server data in a hierarchy of tiles,we are able to generate personalised models based on the user’s preferences.These preferences take the shape of a set of rules that apply to each tile or city object and allow the user to choose which representation of the object to use depending on its position or semantic information(classification,height,etc.).Our method is designed around existing standards,guaranteeing the interoperability of the produced models.展开更多
基金This work has been supported by the French company Oslandia through the phd thesis of Jérémy Gaillard.CityGML data are provided by Lyon metropole and Helsinki Region Infoshare.This research was partly supported by the French Council for Technical Research(ANRT).
文摘City models have a wide variety of uses that require different kind of data representation or data models.Having a dynamic model that enables picking the right representations(meshes,volumetric data,point cloud,etc.)can prove useful to adapt an application to each user’s needs.In this paper,we present an original method to create personalised visualisations of 3D city models on the fly.By organising the server data in a hierarchy of tiles,we are able to generate personalised models based on the user’s preferences.These preferences take the shape of a set of rules that apply to each tile or city object and allow the user to choose which representation of the object to use depending on its position or semantic information(classification,height,etc.).Our method is designed around existing standards,guaranteeing the interoperability of the produced models.