How can I use getEdgeMetadata to retrieve attribute data from the EHorizonEdgeMetadata class during the navigation process?

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Currently, the program runs navigation successfully after downloading the code. However, I want to access attribute data from the EHorizonEdgeMetadata class (such as curvature, maximum speed, etc.) during the navigation process. How can I use the getEdgeMetadata method and where should I add code to achieve this?

首先定位导航入口点，在那里可以使用 getEdgeMetadata 和 EHorizonEdgeMetadata。确定导航如何公开曲率和最大速度等属性，然后记录所需的用法以及导航期间访问发生的位置。

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