Research Into Webgis Key Technologies Based On Quality Statistics Of Urban Living Environment

Faced with increasingly serious air pollution, soil pollution, water pollution and its impact on public health, it's urgent to strengthen the management of environmental quality, and scientific and rational management should be established on the basis of the correct and full understanding about the environmental changes. The factors affecting the urban living environment are related to a large number of geographic information, such as the living environment, ecological environment and infrastructure, and thus the traditional simple numerical analysis method no longer applies about the analysis of the quality of urban living environment.In the above context, we introduce the concept of WebGIS (Web based Geographic Information System) about the quality statistics of urban living environmental. WebGIS is a new technology which expands and improves the geographic information system using Internet technology, and its core is that HTTP and TCP/IP standards-based application system is embedded in the Geographic Information System to achieve spatial information management under the Internet environment. The quality statistics system about urban living environment which is built using WebGIS technology can provide online information, on-line analysis and other functions, and display the analysis results through visual images, enabling users to more perceptual awareness of the analysis results.Thus it provides statistical staff with a quick quantitative survey instrument, improves the efficiency of quality statistics of the environment, and is conducive to formulate corresponding measures. Meanwhile, in order to improve the efficiency of the staff in environmental protection department and improve the enthusiasm of the residents participating in environmental activities, this article implements questionnaire and information query based the multi-touch platform. This article focuses on the following aspects which are studied in detail:1. Analyze and research the key technologies involved in the system development in detail.2. Using the powerful spatial analysis capabilities of WebGIS, this article makes the results of the questionnaire survey and map together, and adds two-dimensional spatial data analysis based on the simple numerical method of statistical analysis, and displays the statistical analysis results with graphs, charts and so on.3. Research multi-touch technology, and implement questionnaire and information query based the multi-touch platform.Through the above researches, we carried out design and implementation of WebGIS related systems for the quality statistics of urban living environment, developed the quality statistics systems of urban living environment based on WebGIS, carried out initial exploration and attempt about using WebGIS technology in the field of environment statistics. Thus it provides a quick mean for the relevant departments to overview the quality of urban living environment, to facilitate the development of environmental management practices.