在Windows Phone 8.1中映射带孔的多边形 [英] Map polygons with holes in Windows Phone 8.1

问题描述

您好，

我试图按照这篇文章如何绘制带有洞的地图多边形到Bing地图：http：//guido1993.wordpress.com/2014/04/ 24 / complex-polygons-in-bing-maps /

I tried to follow this article how to draw map polygons with holes to Bing Map: http://guido1993.wordpress.com/2014/04/24/complex-polygons-in-bing-maps/

但是，我使用的是Windows Phone 8.1。自从API发生变化后，我发现了这些类：

However, I'm using Windows Phone 8.1. Since API changed, I found these classes:

Windows.UI.Xaml.Controls.Maps.MapPolygon
Windows.Devices.Geolocation.BasicGeoLocation
Windows.Devices.Geolocation.Geopath

我试过这样的代码：

MapPolygon shape = new MapPolygon();
List<BasicGeoposition> positions = new List<BasicGeoposition>();

positions.Add(new BasicGeoposition() { Latitude = 48, Longitude = 18 });
positions.Add(new BasicGeoposition() { Latitude = 49, Longitude = 19 });
positions.Add(new BasicGeoposition() { Latitude = 48, Longitude = 20 });
positions.Add(new BasicGeoposition() { Latitude = 48, Longitude = 18 });

positions.Add(new BasicGeoposition() { Latitude = 48.25, Longitude = 18.5 });
positions.Add(new BasicGeoposition() { Latitude = 48.75, Longitude = 19 });
positions.Add(new BasicGeoposition() { Latitude = 48.25, Longitude = 19.5 });

positions.Add(new BasicGeoposition() { Latitude = 48.25, Longitude = 18.5 });
positions.Add(new BasicGeoposition() { Latitude = 48, Longitude = 18 });

shape.Path = new Geopath(positions);
ctrlMap.MapElements.Add(shape);

我尊重样本的位置方向，但没有绘制多边形。

I respected orientation of positions by the sample, however no polygon was drawn.

当我尝试使用Polyline时，确实如此好了。

When I tried Polyline, it was drawn ok.

Window Phone 8.1是否支持多边形漏洞？

Does Window Phone 8.1 support holes in polygons?

谢谢。

推荐答案

这不是一个漏洞，所以我不明白为什么它不会被支持。您正在观察的实际行为是什么？

It's not really a hole, so I don't see why it wouldn't be supported. What's the actual behavior you're observing?

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