The Analysis And Research Of Data Visualizatin System Based On HTML5

With the continuous development of computer technology and data storage technology, the Internet technology and politics, economy, military,scientific research, life and other cross is formed by the fusion of Internet plus age, people contact data and channel more and more widely, the scale and complexity of the data is also significantly enhanced. The development of data visualization technology is to meet the growing demand for data analysis, and become an important auxiliary tool. The existing problems of the traditional data visualization applications are: (1) the scope of application of limitation in specific areas, for the study population,professional high threshold, poor universality; (2) data in the visual conversion process has no structure clear specification, process is more, high switching costs; (3) through the development of visualization the process model definition to drive the visualization tools in usability,scalability and lack of effective guidance. Therefore, effective visualization application is still the focus of the field of data visualization.In view of the above problems, this paper focuses on the research and analysis of data visualization design model and visual display technology,and realizes the design and development of data visualization system. The main research contents are: (1) Study the types and characteristics of the internet target data, design and implement a modular, hierarchical and universal data visualization mapping model. In this model, the target data types and visualization process are divided into three parts: visual structure mapping, visual layout mapping and visual rendering; (2) Comparative analysis of the basic visual tools using Echarts and D3.js for the two package, design and implementation of visual tools DVL.js (Data Visualization Layout). The tool for Javascript module with different graphics to create independent graphics, can contain visual area size, font size, regional background, dynamic or static visual attributes can be configured by foreign function interface DVL unified (selector, data,layerIndex) access; (3) Design and implement a wide range of data types and friendly interactive common system solutions. The system can be used to achieve a one-stop visualization application, which includes get data source, visualization layout, visual attribute configuration, view cache,visual report and other functional modules.In this paper, we design and implement a data visualization system,which combines the relevant technical analysis results with the application scene to achieve rapid and flexible visualization application. The interactive access method facilitates the user to interact with the visual view deeply, and the responsive visual report satisfies the rapid, flexible and real-time visual sharing of various network approaches. In large scale data visualization performance and display efficiency are efficient and accurate display of the hidden information and rules, improve the data accessibility, understandability and availability.