原文 http://www.dotblogs.com.tw/justforgood/archive/2012/05/10/72085.aspx
先来看看完成后的画面,我从桃园画到高雄,再由高雄画到香港
Silverlight这边如下
我们在画面上新增一个线型的Symbol
程式码内如下
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'Create by maggiore 2012/5/10 for dotblog |
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Public Sub New() |
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InitializeComponent() |
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Dim g_graphic_airport As GraphicsLayer '宣告一个图层物件变数 |
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'将画面上的图层丢给图层物件 |
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g_graphic_airport = TryCast(MyMap.Layers( "graphic_airport" ), GraphicsLayer) |
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Dim pGraphic As Graphic = New Graphic() 'Imports ESRI.ArcGIS.Client |
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Dim Point As New MapPoint 'Imports ESRI.ArcGIS.Client.Geometry |
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'桃园机场经纬度 |
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Point.X = 121.23 '经度 |
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Point.Y = 25.08 '纬度 |
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Dim Point2 As New MapPoint 'Imports ESRI.ArcGIS.Client.Geometry |
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'高雄经纬度 |
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Point2.X = 120.35 '经度 |
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Point2.Y = 22.58 '纬度 |
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|
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Dim Point3 As New MapPoint 'Imports ESRI.ArcGIS.Client.Geometry |
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'香港经纬度 |
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Point3.X = 113.92 '经度 |
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Point3.Y = 22.31 '纬度 |
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Dim pPolyline1 As ESRI.ArcGIS.Client.Geometry.Polyline = New ESRI.ArcGIS.Client.Geometry.Polyline() |
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Dim pPointCollection1 As ESRI.ArcGIS.Client.Geometry.PointCollection = New ESRI.ArcGIS.Client.Geometry.PointCollection() |
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pPointCollection1.Add(Point) |
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pPointCollection1.Add(Point2) |
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pPointCollection1.Add(Point3) |
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pPolyline1.Paths.Add(pPointCollection1) |
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pGraphic.Geometry = pPolyline1 |
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pGraphic.Symbol = Line_black |
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g_graphic_airport.Graphics.Add(pGraphic) |
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End Sub |
上述三个地点,小马在专案中是用for 回圈去捞资料库的资料,上面是为了让读者清楚简单了解,
才一个点一个点的示范喔!。
到这,读者应该可以明白之前小马是怎么耍白痴学食神在画面画个"赢"字了吧!(点或线皆可)