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A method and device for multi-level loading and displaying of space situation relative motion trajectory

A technology of relative movement and trajectory, applied in the direction of instrumentation, calculation, electrical digital data processing, etc.

Active Publication Date: 2021-09-14
长沙翔宇信息科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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  • A method and device for multi-level loading and displaying of space situation relative motion trajectory
  • A method and device for multi-level loading and displaying of space situation relative motion trajectory
  • A method and device for multi-level loading and displaying of space situation relative motion trajectory

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Embodiment Construction

[0042] Figure 1 to Figure 3 It shows a specific embodiment of a method for loading and displaying a space situation relative motion track according to the present invention, which includes the following steps, such as figure 1 Shown:

[0043]Step 1: Configure the initial basic environment for relative trajectory drawing through XML configuration files; the XML configuration files include trajectory data storage database information, trajectory data storage steps in the database, local data storage duration and local data storage interval, relative motion trajectory display duration ;

[0044] Use this step to complete the initial configuration work required for trajectory drawing

[0045] Step 2: Create corresponding relative trajectory drawing objects according to the number of scene objects on the basis of the initial basic environment;

[0046] These two steps are used to complete the initial configuration required for trajectory drawing. The initial configuration is im...

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Abstract

The invention provides a method and device for loading and displaying a relative motion trajectory of a space situation, including configuring an initial environment through an XML configuration file; creating a corresponding relative trajectory drawing object on the basis of the initial environment; The absolute trajectory data is written into the drawing queue; the absolute trajectory data of the drawing object and the relative object in the drawing queue is converted into the relative trajectory data of the drawing object relative to the relative object, and the time synchronization is completed, and the drawing queue is updated with the relative trajectory data; The trajectory drawn by the relative trajectory data is displayed and displayed; t=t+1, the absolute trajectory data is repeatedly extracted for drawing. By using a combination of database and local memory to store data, and reading data from the database or local memory according to the track display duration, the problem that the use of memory storage for large-scale data to seriously reduce scene rendering efficiency and affect the fluency of 3D display can be solved. .

Description

technical field [0001] The invention belongs to the field of three-dimensional situation display, and in particular relates to a method and device for multi-stage loading and display of relative motion tracks of space situation. Background technique [0002] In the process of displaying the three-dimensional space situation in the simulation training, the display of the object's motion track is very important. On the one hand, the display of the motion track can intuitively display the motion route and direction of the object within a certain period of time, which is a great help for the trainers. It provides conditions for predicting the future movement trend and behavior of the object; on the other hand, the aircraft's pitch and roll, tactical actions, and warhead attack routes can be clearly seen from the trajectory, thereby assisting the trainees to make effective decisions. Provide assistance for the entire system to carry out training tasks. At present, most of the ex...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F16/81G06F16/838
CPCG06F16/81G06F16/838
Inventor 黄海兵周岳姣韩中生林鲲鹏刘正云梅昌明贺川王华孙松涛廖明瑞陈元李兴龙何志文尹军用
Owner 长沙翔宇信息科技有限公司
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