定向图钉
我有一个使用 Bing Maps Silverlight 控件的 Windows Phone 7 应用程序。任何人都可以建议如何在地图上放置图钉来指示行进方向。
我目前使用红点来显示当前位置。
<maps:MapLayer x:Name="LocationLayer">
<maps:Pushpin Style="{StaticResource CurrentLocationPushpinStyle}"
Location="{Binding CurrentLocation}" />
</maps:MapLayer>
CurrentLocation 在位置更改事件时更新。
我想要实现的是指向行进方向的箭头（e.Position.Location.Course），它将随着行进方向的变化而不断更新。
I have a Windows Phone 7 app using Bing Maps Silverlight control. Can anyone suggest how to place a pushpin on the map indicating direction of travel.
I currently use a red dot to show the current location.
<maps:MapLayer x:Name="LocationLayer">
<maps:Pushpin Style="{StaticResource CurrentLocationPushpinStyle}"
Location="{Binding CurrentLocation}" />
</maps:MapLayer>
CurrentLocation is updated on position change event.
What I want to achieve is an arrowhead pointing in the direction of travel (e.Position.Location.Course) which will continuously update as direction of travel changes.
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我认为您需要创建一个扩展
PushPin的自定义控件。您可以使用 RotationTransform 根据当前和先前的方向“转动”箭头。显然，您必须跟踪以前的（不同的）位置才能执行此操作。
I think you'll need to create a custom control which extends
PushPin.You could use a RotationTransform to "turn" your arrow based on the current and previous direction. You'll obviously have to track the previous (different) location to do this though.