Abstract
Abstract. With the rapid development of geographic information technology, the web-based 3D visualization technology is constantly updated with the development of computers. However, the traditional 3D geographic data visualization software based on the rich-client model it has significant limitations in the display and analysis of geospatial information and it is difficult to install and use, result in that difficult to meet the application of Geo-dynamic simulation, visual analysis, and collaborative decision-making of the geographic process. In order to show the realism of spatial data more directly, this paper introduces a 3D visualization process design method of geographic information and analyses the 3D data modelling building and visualization efficiency. The process combines multiple data sources are loaded automatically, cross platform, 2D & 3D integration, and make a wider range of customers easily access to the visualization effect of 3D spatial data.
Highlights
With the computer technology and network technology developing all the time, the visualization technology of geospatial data has changed
The changed can derive many new research directions including scientific computing visualization, information visualization, data visualization(Robert et al, 2007),knowledge visualization (Dai shuangfeng et al, 2014).Spatial location information is an important attribute information on the earth which can play a link role between phenomena and information related to people's lives
There are many fields that need to be displayed by GIS and visualization technology during such general trend, which promotes the common development of GIS and visualization
Summary
With the computer technology and network technology developing all the time, the visualization technology of geospatial data has changed. The combination of visualization technology and GIS technology promotes the integration of three-dimensional GIS technology with other disciplines' data and technical methods to meet the multi-dimensional and interactive needs of users, and to realize query, analysis and collaborative decision-making combined with business. It plays an important role in GIS visualization and government assistant decision-making. The theory of three-dimensional visualization is gradually improving It has great advantages in geospatial data analysis, enabling users to understand spatial data more intuitively. A parallel computing method is introduced to make the threedimensional model display smoothly in browsers
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