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Method and system for online vector map comprehensive services

A technology of comprehensive service and vector map, applied in the field of vector map online comprehensive service method and its system, can solve the problems of complex design and implementation, and achieve the effect of clear meaning, high execution efficiency, and user experience improvement.

Inactive Publication Date: 2013-09-18
WUHAN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The distributed characteristics of the Web environment and various unforeseen problems in network transmission make the design and implementation of Web applications much more complicated than desktop software.

Method used

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  • Method and system for online vector map comprehensive services
  • Method and system for online vector map comprehensive services

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Embodiment

[0074] Such as figure 1 As shown, the present invention draws lessons from the operation flow of desktop map synthesis software, and designs a technical flow for realizing automatic map synthesis under the Web environment. The process is based on client / server (B / S) architecture. What needs to be introduced first is that the present invention is divided into two parts, the client and the server. The client is the user interface of the system, and is mainly responsible for the interactive operation between the user and the system. The client firstly establishes a complete integrated environment, including the integrated layer, the distinction of the data layer, the selection of integrated methods, and integrated parameter settings. Using server-side map drawing and client-side texture mode, small amount of data can be dynamically drawn on the client side, which can realize the functions of layer dynamic generation, transparent stacking, and slice caching, and the effect is goo...

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Abstract

The invention relates to a method and a system for online vector map comprehensive services. The system employs a B / S (browser / server) framework and comprises a client and a server side. Functions of the client mainly includes: data unloading, comprehensive parameter setting, comprehensive result evaluating, comprehensive data downloading, comprehensive layer managing, map browsing and the like. The server side mainly comprises three modules of data analyzing service, map comprehensive service and map drawing service. The method and the system for online vector map comprehensive services has the advantages that a graphic comprehensive algorithm which is suitable for online processing and quick in response is provided, operations of simplifying, smoothing, polymerizing, blending, dimensionally reducing, magnifying, shifting and the like of point, linear and planar targets of vector maps can be realized, comprehensive degree can be controlled precisely to realize real-time visualization of comprehensive operating effects and corresponding result evaluations, data engines of industrial mainstream GIS (geographic information system) data format can be accepted, and an efficient Web spatial data visualized technical framework is set up.

Description

technical field [0001] The present invention relates to an online integrated map service method and system thereof, in particular to an online integrated vector map service method and system thereof. Background technique [0002] Traditional map synthesis is the process of reducing a large-scale map to a small-scale map, which is the core issue of cartography. In the digital environment, the automatic realization technology of map synthesis (automatic map synthesis) has always been a research hotspot in the field of GIS and cartography. Automatic map synthesis belongs to spatial data processing and transformation, and is an indispensable part of GIS data processing, spatial analysis, visualization, and map production. Update, spatial data mining, etc. play an important role. [0003] At home and abroad, there are many professional mapping software that provide map synthesis functions, such as ASTRA, CHANGE and GenTool, etc., and the GIS platform software of ESRI and Interg...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/30G09B29/00H04L29/08
Inventor 艾廷华成晓强张翔李精忠周启
Owner WUHAN UNIV
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