如何改变GeolocationMarker的圆的半径 [英] how to change the radius of the circle of GeolocationMarker

问题描述

我试图将GeolocationMarker资料库的圆圈半径改为3公里;这里是我的尝试：

I'm trying to change the radius of the circle of the GeolocationMarker library to 3 km; here is my attempt:

var geoMarker = new GeolocationMarker();

geoMarker.setCircleOptions({radius: 3000});

geoMarker.setMap(map);

但它不会改变圆的半径，即半径不在3公里。我该如何解决它？谢谢

But it doesn't change the radius of the circle, that is the radius isn't at 3 km. How can I fix it? Thanks

推荐答案

不能这样做，您链接到的文档声明：

It can't be done like this, the documentation you link to states:

setCircleOptions（options：google.maps.CircleOptions）此方法将
忽略google.maps.CircleOptions对象的某些属性。
会忽略位置，半径和贴图属性，因为它们是由库
设置的。

setCircleOptions(options:google.maps.CircleOptions) This method will ignore certain properties of the google.maps.CircleOptions object. It will ignore position, radius and map properties as these are set by the library.

圆的半径是地理位置数据的准确度。如果您想要一个固定半径的圆圈，请创建一个圈子对象，然后绑定中心属性到Geolocation标记。

The radius of the circle is the accuracy of the geolocation data. If you want a constant radius circle, create a Circle object and bind the center property to the Geolocation Marker.

var circle = new google.maps.Circle({raidus: 3000});
circle.bindTo("center", geoMarker, "position");

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