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Method and device for drawing scatter points

A technology of plane coordinates and engineering machinery, applied in the field of data processing, can solve problems such as rendering pages stuck, browser crashes, and page opening times become longer, and achieve the effect of ensuring rendering effects and a wide range of applications.

Active Publication Date: 2022-04-15
SHANGHAI HUAXING DIGITAL TECH +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] At present, the scatter diagrams that show the dynamic distribution of construction machinery are drawn using the geographic information visualization open source library MapV. The MapV plug-in is a plug-in produced by Baidu. Figure 1 With the increase of the number of scatter points representing construction machinery, the rendering page will become very stuck after more than 100,000 scatter points, which will further cause the page to open for a longer time until the browser crashes

Method used

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  • Method and device for drawing scatter points

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Embodiment Construction

[0014] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations. Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts belong to the protection scope of the present invention.

[0015] It should be noted that like numerals and let...

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Abstract

The present invention relates to the technical field of data processing, and in particular to a method and device for drawing scattered points. The method includes: acquiring geographic coordinates of multiple construction machines, converting the geographic coordinates into plane coordinates corresponding to a map selected by a user, and The plane coordinates include the first plane coordinates and the second plane coordinates, wherein the first plane coordinates represent the construction machinery in the non-working state, the second plane coordinates guarantee the construction machinery in the working state, and finally the first plane coordinates are sequentially converted according to the predetermined frequency and the coordinates of the second plane are drawn on different layers in the form of scatter points, and all layers are superimposed and displayed. The geographic coordinates of this solution can be converted into adaptable plane coordinates according to different maps, and the application range is wider. At the same time, the plane coordinates are rendered according to the predetermined frequency, so that the rendering volume is not too large, causing the screen to freeze, and the rendering effect is guaranteed. .

Description

technical field [0001] The present invention relates to the technical field of data processing, in particular to a method and device for drawing scatter points. Background technique [0002] At present, the scatter diagrams that show the dynamic distribution of construction machinery are drawn using the geographic information visualization open source library MapV. The MapV plug-in is a plug-in produced by Baidu. Figure 1 When used together, and as the number of scatter points representing construction machinery increases, after more than 100,000 scatter points, the rendered page will become very stuck, which will further cause the page to open for a longer time until the browser crashes. Therefore, it is very necessary to provide a new method of drawing scatter points to adapt to different maps while ensuring rendering efficiency. Contents of the invention [0003] The purpose of the present invention is to provide a method for drawing scatter points, so as to adapt to d...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09B29/00
CPCG09B29/007
Inventor 邬昌明周达民龚振杰陈麒先李远林
Owner SHANGHAI HUAXING DIGITAL TECH
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