Three-dimensional(3D)visualisations are an interesting method for representing model outcomes.Most visualisation techniques require expensive software and a lot of time to create them.When the visualisations need to b...Three-dimensional(3D)visualisations are an interesting method for representing model outcomes.Most visualisation techniques require expensive software and a lot of time to create them.When the visualisations need to be adapted frequently,a faster and more flexible method is needed.The first step of the proposed model is to create the 3D elements.These elements are combined with the base map,and distributed to the public using Google Earth.Both freely available and commercial software are used in this process.展开更多
This article discusses the use of 3D technologies in digital earth applications(DEAs)to study complex sites.These are large areas containing objects with heterogeneous shapes and semantic information.The study propose...This article discusses the use of 3D technologies in digital earth applications(DEAs)to study complex sites.These are large areas containing objects with heterogeneous shapes and semantic information.The study proposes that DEAs should be modular,have multi-tier architectures,and be developed as Free and Open Source Software if possible.In DEAs requiring high reliability in the 3D measurements,point clouds are proposed as basis for the 3D Digital digital earth representation.For the development of DEAs,we propose to follow a workflow with four components:data acquisition and processing,data management,data analysis and data visualization.For every component,technological challenges of using 3D technologies are identified and solutions applied for a case study are presented.The case study is a modular 3D DEA developed for the archaeological project Mapping the Via Appia.The 3D DEA allows archaeologists to virtually analyze a complex study area.展开更多
文摘Three-dimensional(3D)visualisations are an interesting method for representing model outcomes.Most visualisation techniques require expensive software and a lot of time to create them.When the visualisations need to be adapted frequently,a faster and more flexible method is needed.The first step of the proposed model is to create the 3D elements.These elements are combined with the base map,and distributed to the public using Google Earth.Both freely available and commercial software are used in this process.
基金the Mapping the Via Appia project(Funding:NLeSC project code 027.013.901 and NWO project number 380-61-001)。
文摘This article discusses the use of 3D technologies in digital earth applications(DEAs)to study complex sites.These are large areas containing objects with heterogeneous shapes and semantic information.The study proposes that DEAs should be modular,have multi-tier architectures,and be developed as Free and Open Source Software if possible.In DEAs requiring high reliability in the 3D measurements,point clouds are proposed as basis for the 3D Digital digital earth representation.For the development of DEAs,we propose to follow a workflow with four components:data acquisition and processing,data management,data analysis and data visualization.For every component,technological challenges of using 3D technologies are identified and solutions applied for a case study are presented.The case study is a modular 3D DEA developed for the archaeological project Mapping the Via Appia.The 3D DEA allows archaeologists to virtually analyze a complex study area.
