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A method for thinning drawing of massive lines applied to mobile maps

A line thinning and mobile terminal technology, which is applied in the field of massive line thinning drawing of mobile terminal maps, can solve problems such as the inability to solve the problem of mobile terminal page fluency, and achieve the effect of solving high publishing costs, strong terminal adaptability, and guaranteeing pages.

Active Publication Date: 2022-04-22
ZHEJIANG SUPCON INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to overcome the lack of page fluency in the process of drawing massive lines on mobile terminals in the prior art, and to provide a method for drawing massive lines on mobile maps

Method used

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  • A method for thinning drawing of massive lines applied to mobile maps
  • A method for thinning drawing of massive lines applied to mobile maps

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Embodiment Construction

[0048] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0049] Such as figure 1 As shown, a method for drawing a large number of lines applied to a mobile terminal map is characterized in that it includes the following steps:

[0050] Step 1: Obtain massive line data and store them in collection X;

[0051] The conventional method of obtaining data on the mobile terminal is to directly obtain data from the server in the form of an interface, but the order of magnitude of the massive lines is usually tens of thousands or even hundreds of thousands, and each polyline also includes the latitude and longitude coordinates of the starting point and the middle point, the level, the drawing Line width, color and other information, so the conventional interface-based acquisition methods for so many data cannot be satisfied, which can easily cause page freezes or even application crashes. The present invent...

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Abstract

The invention discloses a method for drawing massive lines on a mobile terminal map, comprising the following steps: acquiring massive line data and storing them in a set X; prioritizing the set X; calculating the maximum number of displayable polylines on the map Max; mass line thinning; real-time drawing of polylines in the set P; when the map is zoomed or dragged, a new round of polyline clearing and traversal is started. The present invention has the characteristics of being able to process massive lines of 100,000 levels, ensuring smooth map pages, improving the efficiency of drawing massive lines, and improving user experience.

Description

technical field [0001] The present invention relates to the technical field of drawing massive lines of maps, in particular to a method for drawing massive lines of maps on mobile terminals. Background technique [0002] In mobile applications, mainstream map services include AutoNavi Maps, Baidu Maps, and ArcGis. During the map display process, real-time massive line drawing will cause the map page to freeze and the user experience is poor. [0003] The conventional method is to draw massive lines on the map in advance, and then publish the map drawn with massive lines in the form of a base map. When users need to display massive lines, they can directly call the released base map to complete the display. The above method is very good It solves the problem of stuttering, and only needs to select the corresponding massive line basemap according to the level to be displayed. For map developers, it is easy to use and has a good display effect. [0004] However, the above-ment...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F16/957G06F16/904G06F8/38G06T11/20
CPCG06F16/9574G06F16/904G06F8/38G06T11/20
Inventor 杨奇泽李琳琳殷豪祥徐畅赵鸿鸣陈行健柴泽照
Owner ZHEJIANG SUPCON INFORMATION TECH CO LTD
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