By Hui Lin, Jun Zhu, Bingli Xu, Wenshi Lin, Ya Hu (auth.), Jiyeong Lee, Sisi Zlatanova (eds.)
In fresh years 3D geo-information has turn into a tremendous learn zone as a result of elevated complexity of projects in lots of geo-scientific purposes, corresponding to sustainable city making plans and improvement, civil engineering, possibility and catastrophe administration and environmental tracking. additionally, a paradigm of cross-application merging and integrating of 3D info is saw. the issues and demanding situations dealing with today’s 3D software program, as a rule application-oriented, concentration nearly solely on 3D info transportability concerns – the facility to exploit facts initially built in a single modelling/visualisation process in different and vice versa. instruments for elaborated 3D research, simulation and prediction are both lacking or, whilst to be had, devoted to particular projects. with a purpose to reply to this elevated call for, a brand new form of approach needs to be built. a completely built 3D geo-information method can be in a position to deal with 3D geometry and topology, to combine 3D geometry and thematic info, to research either spatial and topological relationships, and to offer the knowledge in an appropriate shape. as well as the easy geometry kinds like aspect line and polygon, a wide number of parametric representations, freeform curves and surfaces or sweep shapes must be supported. methods for seamless conversion among 3D raster and 3D vector representations can be on hand, they need to enable research of a illustration most fitted for a particular application.
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Extra resources for 3D Geo-Information Sciences
Configuration of the Third Core Research Project 3. The Third National Geographic Information System Project in Korea 41 Fig. 6. 5 The Fifth Core Research Project: Ubiquitous GIS Core SW Technology Ubiquitous Geographic Information System (u-GIS) is a part of the major ubiquitous computing technology trend. Not only are the ubiquitous computing infrastructures required, but also advanced positioning and mapping technology are required to realize u-GIS. The research of the fifth core project, ubiquitous GIS core software technology, is divided into two unit research projects; (1) processing and management of u-GIS geospatial information and (2) customized land information.
Through this project, existing service systems from the standpoint of providers can be changed into customized service systems from the standpoint of end-users. The technology developed in the fifth core research project would contribute to the maximum use of u-GIS data, activate related businesses, and provide customized land information with the public through direct participation of end-users. Fig. 7 shows the configuration of the fifth core research project. 42 Byung-Guk Kim, Hoon-Sung Choi and Yeun J.
This project is divided into two unit research projects. 3. The Third National Geographic Information System Project in Korea 37 The objective of the 1st unit research project is to develop technology and management system for advanced geodetic reference frameworks with three main subprojects; (1) development of advanced geodetic reference frameworks; (2) development of high-precision geoid model; (3) development of application systems based on integrated space geodesy. These projects enable the community to obtain more accurate geospatial information with horizontal error tolerance of mm unit and vertical error tolerance of cm unit.
3D Geo-Information Sciences by Hui Lin, Jun Zhu, Bingli Xu, Wenshi Lin, Ya Hu (auth.), Jiyeong Lee, Sisi Zlatanova (eds.)