Graphic data client buffer memory method based on FLEX

A graphic data and client-side technology, applied in electrical digital data processing, special data processing applications, instruments, etc., can solve the problems of large data volume, low update frequency of graphic data, increased network bandwidth utilization and server burden, etc.

Inactive Publication Date: 2012-04-11
STATE GRID ELECTRIC POWER RES INST +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the application environment of the present invention, the amount of data used for graphics rendering and drawing is large, and reading from the server each time will cause a long loading time and increase the network bandwidth utilization and server burden. Graphics data update frequency is not high

Method used

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  • Graphic data client buffer memory method based on FLEX
  • Graphic data client buffer memory method based on FLEX
  • Graphic data client buffer memory method based on FLEX

Examples

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Embodiment Construction

[0017] In the following, a specific example is given to further illustrate the client caching technology of the present invention in conjunction with the accompanying drawings.

[0018] figure 1 Shown is the flow chart of the implementation, figure 2 is a functional structure diagram.

[0019] In this example, the client has cached 5 pieces of graphic data, including graphic number, graphic rendering data, and last update time, and the corresponding graphic data can be located through the graphic number. The numbers of these 5 pieces of graphic cache data are 1, 2, 3, 4, 5, define these 5 pieces of cached graphics data as A1, A2, A3, A4, A5, the number of the picture to be rendered is P1, and the client will set the number of the picture and the cached data is encapsulated as such image 3 The data structure shown includes a key-value pair of screen number P1, graphics cache data number id, and last update time lastUpdateTime.

[0020] The server parses the parameters to ...

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PUM

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Abstract

The invention discloses a graphic data client buffer memory method based on FLEX. By using the method, under a B/S structure system, an efficiency problem of loading a lot of graphic data by rich client graphics application can be solved. In the invention, a client data buffer memory function of the FLEX can be fully used. A lot of graphic data can be stored in the client. Through comparing updating time of the client data to the updating time of the server data, whether the buffer memory data is directly read from the client or the data is re-read from the server and the buffer memory is updated can be determined. In the invention, through the buffer memory technology, a reading frequency of the server to the database during graphic data loading can be reduced and data transmission amounts of the client and the server can be reduced too. Server consumption and utilization of network bandwidth can be reduced and a loading efficiency can be increased.

Description

technical field [0001] The invention relates to a data caching technology under a B / S structure system, in particular to a data caching method of a FLEX-based rich client graphic application. Background technique [0002] In traditional FLEX graphics applications, the client reads all the data required for graphics rendering from the server, which generally reduces the complexity of logic and reduces the difficulty of development. However, in the application environment of the present invention, the amount of data used for graphics rendering and drawing is large, and reading from the server each time will cause a long loading time and increase the network bandwidth utilization and server burden. Graphical data update frequency is not high. The invention utilizes a graphic data client caching technology to reduce the amount of communication data between the client and the server, reduce data transmission time, and reduce server consumption. Contents of the invention [00...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08G06F17/30
Inventor 康睿蒋元晨陈玉慧刘嘉华杨旭斌
Owner STATE GRID ELECTRIC POWER RES INST
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