Method and system for generating motion model track

Abstract

The invention discloses a method and a system for generating a motion model track. The method includes: leading a motion model and an earth static model in a simulation space, and generating a landform contour map according to the fluctuant surface of the models; selecting track points and generating a Bezier curve; obtaining control points of the Bezier curve and longitude and latitude information corresponding to discrete points in the earth static model; obtaining geographical height of the longitude and latitude information corresponding to the earth's surface according to the landform contour map; obtaining space height information of the control points and the discrete points according to the geographical height and the height of a flying object relative to the ground; obtaining space parameters of the control points and the discrete points by combining the longitude and latitude information; and fitting to obtain the motion model track. The motion model track closer to the real world is generated fast on the surface of the earth model with a fluctuant terrain, and effects of improving mapping efficiency, enabling an animation effect to be closer to the real world and facilitating modification operation are obtained.

Description

technical field [0001] The invention relates to the field of digital graphics and animation production, in particular to a method and system for generating motion model tracks. Background technique [0002] With the rapid development of digital animation and its wide application in the field of video production, in some TV program productions that need to complete demonstrations through animation, there are often movements of flying objects flying at low altitudes on the earth, such as helicopters to observe the ground situation airplane. [0003] However, in the process of making specific flying object trajectories, making the flight trajectories of low-altitude flying objects is a very complicated task, especially on the model surface with complex landforms, which requires a lot of work from the staff. Not only that, but the effect is also similar to that of The reality is quite different. [0004] In the prior art, the method commonly used in geographic information prod...

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Problems solved by technology

[0005] (1) The effect of flying is achieved by changing the spatial position of the flying object on the key frame. If the terrain is relatively complex, the workload will be very large, time-consuming and inefficient;

[0006] (2) Similarly, it is difficult to make a realistic animation effect of undulating mountains on the surface of complex terrain only by adding key frames;

[0007] (3) When the terrain changes, it is difficult to modify the trajectory of the motion model made by using the existing technology, and there is no reuse value

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