Microscopic visual analysis method for high-density group trajectory data
A trajectory data and analysis method technology, applied in the field of micro-visual analysis of high-density group trajectory data, can solve the problems of not being able to analyze the traffic data of multiple intersections at the same time, and not being able to display the potential relationship of trajectories, so as to improve scalability , Strengthen the effect of management
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[0046] specific implementation plan
[0047] Below in conjunction with accompanying drawing, the present invention will be further described;
[0048] refer to Figure 1 to Figure 6 , a microscopic visual analysis method of high-density group trajectory data, the present invention uses D3.js to draw the front-end interface, and the background data is obtained through Java;
[0049] The microscopic visual analysis method of the high-density group trajectory data comprises the following steps:
[0050] 1) Data processing; it is of practical significance to consider the characteristics of the trajectory represented by the spatial attribute position sequence. In order to improve the scalability of the trajectory data and improve the running speed, the space is divided into multiple levels and the heat is calculated according to the spatial attribute characteristics, so that the trajectory The data is transformed into a spatial event sequence based on grid heat;
[0051] (1-1) C...
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