将坐标归一化为最接近的路线 [英] Normalization of coordinates to closest route

问题描述

在我的应用程序中，我收到GPS坐标，该坐标用于使用HERE的calculateRoute方法和折线绘制路线.但是结果很差，而且几乎不准确，这可能是由于测量的准确性低所致.

In my application I receive GPS coordinates which I use to draw route using HERE's calculateRoute method and polyline. But results are poor and rarely accurate probably due to low accuracy of the measurements.

下图所示的行为示例-实际路线应仅在最大的对角街道上.

所以我要解决此问题的想法是，首先通过将它们近似到最近的街道来标准化"这些坐标.

So my idea to circumvent this problem is to first 'normalize' these coordinates by approximating them to nearest street.

我的问题是:HERE API是否提供这种方法? 我已经搜索过文档并在Google上进行搜索，但无济于事.

My question is: does HERE API provides such method and if so what it is called? I have searched documentation and googled for it but to no avail.

作为最后的选择，我可以将整个应用程序切换到Google Maps，我知道该应用程序的API中的方法可以完全满足我的需要.

As a last resort I can switch my whole app to Google Maps which I know that have the method in its API to do exactly what I need.

如果这可以帮助任何人回答此问题，请使用以下参数来绘制此路线:

If this will help anyone to answer this question, here are my parameters for drawing this route:

    mode: 'fastest;truck',
    representation: 'display',
    routeattributes: 'waypoints,shape,summary',
    maneuverattributes: 'direction',
    waypoints: [/* too much to show here*/],
    avoidLinks: '',
    avoidSeasonalClosures: true,
    alternatives: 1,

推荐答案

此处的路线匹配API适用于您要实现的目标. 查看此开发人员文档:

The HERE Route matching API is for what you want to achieve. Check out this developer documentation:

https://developer .here.com/documentation/route-match/topics/quick-start-gps-trace-route.html

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