Map browsing apparatus realizing method faced large scale space informations

Abstract

The invention relates to a great-capacity spatial information-oriented map browser implementing method, firstly searching a map file, connecting and loading the map file, where the connecting mode is directly accessing the map file or the image data as a large object stored in a relation database, using an integrated third-party control to display the map file, taking the loaded map file as an operated object, thus placing the corresponding operated object in a memory, making various operations on the loaded map object, then selecting the picture layers, binding the attribute data and the picture layer information to implement the superposition and roam of the loaded image data of multiple data sources, fast searching, and finally providing a user operated interface at a client end and fast displaying the result at the client end. It can provide a fast searching method oriented to great-capacity spatial data, applied to the units in need of storing and managing great-capacity data.

Description

technical field [0001] The invention relates to a method for realizing a map browser, in particular to a method for realizing a map browser oriented to massive spatial information. It belongs to the field of information processing technology. Background technique [0002] In the information age, the biggest challenge people face is how to effectively manage and utilize information. Driven by information needs and applications, information science has developed into a new era. Earth information science is also an aspect of contemporary information science. Although it is not directly related to the communication industry, it plays an extremely important role in the planning and development of resources, environment, ecology, land, agriculture, and cities. At present, many countries in the world have begun to pay attention to the construction of spatial data infrastructure (SDI). Due to the complexity of spatial phenomena and processes, as well as the multi-source and heterog...

AI Technical Summary

Problems solved by technology

The main shortcomings of this patent are: 1. It is necessary to establish a complex geographic information maintenance data table. When providing a search, it needs to be performed on the application server, and the maintenance of data consistency will become more difficult. 2. For today's various data formats The map file does not implement the layer overlay of multi-data format files. 3. When the amount of data reaches a large amount, this method will have high requirements on the server due to data maintenance.

4. There is no solution for multiple sources of image objects, because the current image data objects can be stored in files or in databases. This method does not provide solutions for various data sources