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A smooth display method and device for dynamic icons on a human-computer interaction interface in a vehicle management system

A technology of human-computer interaction interface and dynamic icons, which is applied in the fields of instruments, computing, electrical and digital data processing, etc., can solve the problems that icons cannot be displayed coherently.

Active Publication Date: 2021-03-26
中科美络科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is how to solve the technical problem in the prior art that icons cannot be displayed consistently

Method used

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  • A smooth display method and device for dynamic icons on a human-computer interaction interface in a vehicle management system
  • A smooth display method and device for dynamic icons on a human-computer interaction interface in a vehicle management system
  • A smooth display method and device for dynamic icons on a human-computer interaction interface in a vehicle management system

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Experimental program
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Effect test

Embodiment 1

[0096] figure 1 The flow diagram of the method for smooth displaying dynamic icons on the human-computer interaction interface in the vehicle management system provided by the embodiment of the present invention, as shown in figure 1 As shown, the method includes:

[0097] S101: Obtain the current dynamic data of the vehicle at the current moment and the historical dynamic data of the vehicle at the previous moment, wherein the current dynamic data includes: the current moment, the current coordinates of the vehicle at the current moment; the historical dynamic data includes: the previous time, and the historical coordinates of the vehicle at the last moment.

[0098] First of all, this step first takes the current dynamic data and historical dynamic data as the vehicle coordinates as an example to illustrate: Usually, the monitored vehicle is usually equipped with a satellite positioning terminal, which collects the vehicle's position at a frequency of 1-10 times per second....

Embodiment 2

[0116] Simultaneously with step S103 in Embodiment 1 of the present invention, the embodiment of the present invention can also use the following method to obtain interpolation coordinates corresponding to several second interpolation points:

[0117] S201 (not shown in the figure): Firstly, first, obtain whether the vehicle is located at the intersection according to the coordinate A1 of the vehicle at the current moment. If the judgment result is negative, execute step S202.

[0118] For example, it can be judged whether the coordinates of the vehicle at the current moment are within the preset radius range with the center of the next intersection as the center, and the length of the preset radius is obtained by multiplying the speed of the vehicle in the current year by the product of the time interval between the current moment and the historical moment. Therefore, the preset radius can be changed according to the vehicle speed, which has high flexibility.

[0119] It sho...

Embodiment 3

[0132] In order to solve the situation in Embodiment 2 that the rendering effect caused by suspending rendering at an intersection does not match the result observed by the user, Embodiment 3 of the present invention adds the following steps on the basis of Embodiment 2:

[0133] S301 (not shown in the figure): if the judgment result of step S201 is yes, obtain the turning probability of the vehicle, and if the turning probability of the vehicle is greater than a set value, obtain the predicted path of the vehicle, wherein, The predicted path includes: a turning path and a turning path.

[0134] Embodiment 3 of the present invention is a further embodiment of Embodiment 2. If the vehicle is located within a preset radius with the center of the intersection as the center, the turning probability of the vehicle is obtained. Figure 7 A schematic diagram of the calculation principle of the turning probability in the method of smooth display of dynamic icons on the human-computer ...

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Abstract

The invention provides a smooth display method and device for dynamic icons on a human-computer interaction interface in a vehicle management system. The method comprises the steps of obtaining current dynamic data of a vehicle at the current moment and historical dynamic data of the vehicle at the last moment; calculating the difference between the current dynamic data and the historical dynamicdata, performing interpolation processing on the difference to obtain a plurality of first interpolation points, the number of intervals between the interpolation points being greater than or equal tothe lowest frame rate which can be distinguished by human eyes, and the difference comprising a time difference and a distance difference; obtaining interpolation coordinates corresponding to the plurality of first interpolation points; and rendering a vehicle icon for each interpolation coordinate, and displaying the vehicle icon at a position corresponding to each interpolation coordinate in the human-computer interaction page. By applying the embodiment of the invention, the smooth display of the vehicle icon on the electronic map is realized, and the problem that the icon seen by a user is not continuously displayed due to the fact that the rendered icon jumps easily in the prior art is solved.

Description

technical field [0001] The invention relates to remote monitoring of vehicles, in particular to a method and device for smoothly displaying dynamic icons on a human-computer interaction interface in a vehicle management system. Background technique [0002] With the continuous development of car leasing and official vehicle supervision technology, the vehicle trajectory monitoring technology has also been developed rapidly. [0003] The patent application with the application number 201611162975.X discloses a terminal trajectory drawing method and device, the method includes: the Web backend obtains the positioning data of the terminal; for each positioning data, the Web backend obtains the display model corresponding to the positioning data, Perform rendering according to the display model to obtain the rendered icon of the terminal corresponding to the positioning data; the Web backend generates a streaming media data frame according to the geographic location information ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/0481
CPCG06F3/04817
Inventor 罗健飞李超吴飞张卫庆刘欢张飞朱阳军熊玲芳邢亚东李勇张凯翔
Owner 中科美络科技股份有限公司
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