{"id":42,"date":"2009-04-20T13:21:00","date_gmt":"2009-04-20T13:21:00","guid":{"rendered":"http:\/\/blog.newnaw.com\/?p=42"},"modified":"2009-04-20T13:21:00","modified_gmt":"2009-04-20T13:21:00","slug":"arcgis-api-for-silverlight%e5%bc%80%e5%8f%91%e5%85%a5%e9%97%a8%ef%bc%884%ef%bc%89%ef%bc%9a%e7%94%a8%e6%88%b7%e4%b8%8e%e5%9c%b0%e7%90%86%e4%bf%a1%e6%81%af%e4%b9%8b%e9%97%b4%e7%9a%84%e6%a1%a5%e6%a2%81","status":"publish","type":"post","link":"https:\/\/blog.newnaw.com\/?p=42","title":{"rendered":"ArcGIS API for Silverlight\u5f00\u53d1\u5165\u95e8\uff084\uff09\uff1a\u7528\u6237\u4e0e\u5730\u7406\u4fe1\u606f\u4e4b\u95f4\u7684\u6865\u6881–GraphicsLayer"},"content":{"rendered":"

        \u6211\u4eec\u4e0e\u5730\u56fe\u4ea4\u4e92\u7684\u8fc7\u7a0b\u65f6\u523b\u5728\u8fdb\u884c\u7740\uff1a\u4e00\u4e2a\u62c9\u6846\u653e\u5927\u64cd\u4f5c\uff0c\u6216\u8005\u5bf9\u5730\u56fe\u5185\u5bb9\u7684\u67e5\u8be2\u7b49\u3002\u8fd9\u4e9b\u4ea4\u4e92\u8fc7\u7a0b\u4e2d\u7684\u8f93\u5165\u8f93\u51fa\uff0c\u901a\u5e38\u90fd\u662f\u53cd\u6620\u5728\u72ec\u7acb\u4e8e\u5730\u56fe\u6570\u636e\u4e00\u4e2a\u201c\u5c42\u201d\u4e0a\u3002\u6bd4\u5982\u62c9\u6846\u653e\u5927\uff0c\u6211\u4eec\u80fd\u770b\u89c1\u9f20\u6807\u6240\u753b\u7684\u4e00\u4e2a\u77e9\u5f62\uff1b\u53c8\u6bd4\u5982\u5bf9\u5174\u8da3\u70b9\u7684\u67e5\u8be2\uff0c\u7ed3\u679c\u901a\u5e38\u662f\u5c06\u7b26\u5408\u6761\u4ef6\u7684\u5174\u8da3\u70b9\u7684\u5f62\u72b6\u9ad8\u4eae\u663e\u793a\u5728\u90a3\u4e2a\u72ec\u7acb\u7684\u201c\u5c42\u201d\u4e2d\uff0c\u901a\u8fc7\u5b83\u65e2\u53ef\u4ee5\u53cd\u6620\u7528\u6237\u7684\u8f93\u5165\uff0c\u53c8\u53ef\u4ee5\u5c55\u73b0\u5730\u56fe\u7684\u8f93\u51fa\u3002\u8fd9\u4e2a\u201c\u5c42\u201d\u5c31\u662fGraphicsLayer\u3002
        \u5176\u5b9eADF\u5f00\u53d1\u4e2d\u4e5f\u6709GraphicsLayer\u7684\u6982\u5ff5\uff0c\u540c\u6837\u5728\u5176\u4ed6\u4e24\u4e2a\u5ba2\u6237\u7aefAPI\uff08JavaScript\/Flex\uff09\u4e2d\u4e5f\u80fd\u627e\u5230GraphicsLayer\u7684\u8eab\u5f71\uff0c\u5b83\u4eec\u90fd\u662f\u4e00\u6837\u4e00\u6837\u7684\u3002
        \u672c\u8282\u6211\u4eec\u4e3b\u8981\u770b\u5982\u4f55\u5728GraphicsLayer\u4e2d\u5c55\u73b0\u5185\u5bb9\u3002\u5f53\u7136\u7b2c\u4e00\u4e2a\u5de5\u4f5c\u5c31\u662f\u6dfb\u52a0ESRI.ArcGIS.dll\u7684\u5f15\u7528\uff0c\u5f15\u5165esri\u7684xml\u547d\u540d\u7a7a\u95f4\uff1b\u63a5\u4e0b\u6765\u5728Map\u4e2d\u6dfb\u52a0\u4e00\u4e2aGraphicsLayer\u56fe\u5c42\uff1a




<\/esri:graphicslayer><\/esri:map.layers>
<\/esri:map><\/code>
        \u8981\u4f7fGraphicsLayer\u4e2d\u7684\u5185\u5bb9\u5904\u4e8e\u6700\u9876\u7aef\uff08\u4e0d\u88ab\u5176\u4ed6\u56fe\u5c42\u5185\u5bb9\u8986\u76d6\uff09\uff0c\u5c31\u8981\u5c06\u5b83\u653e\u5728Map\u6807\u7b7e\u91cc\u7684\u6700\u4e0b\u5934\uff0c\u50cf\u4e0a\u9762\u90a3\u6837\u3002\u4ece\u547d\u540d\u6211\u4eec\u4e0d\u96be\u770b\u51fa\uff0cGraphicLayer\u91cc\u9762\u653e\u7684\u5c31\u662fGraphic\u7684\u96c6\u5408\u4e86\u3002Graphic\uff08ESRI.ArcGIS.Graphic\uff09\u662fGraphicsLayer\u4e2d\u7684\u57fa\u672c\u5143\u7d20\uff0c\u5b83\u5305\u62ec\u4e86Geometry(\u5728ESRI.ArcGIS.Geometry\u547d\u540d\u7a7a\u95f4\u4e2d)\uff0cSymbol\uff08\u5728ESRI.ArcGIS.Symbol\u547d\u540d\u7a7a\u95f4\u4e2d\uff09\uff0cAttributes\u7b49\u5c5e\u6027\u3002\u6240\u6709\u663e\u793a\u5728\u5730\u56fe\u4e2d\u7684\u77e2\u91cf\u5143\u7d20\u90fd\u6709\u4e00\u4e2aGeometry\uff0c\u91cc\u9762\u5305\u542b\u4e86\u82e5\u5e72\u5730\u7406\u5750\u6807\uff0c\u7528\u4e8e\u663e\u793a\u5730\u56fe\u4e0a\u5730\u7269\u7684\u5f62\u72b6\uff0c\u5b83\u662fPoint\uff0cPolyline\uff0cPolygon\u7b49\u7684\u603b\u79f0\uff0c\u5728\u8fd9\u91cc\u4ee3\u8868\u4e86Graphic\u7684\u5f62\u72b6\u3002Symbol\u4ee3\u8868\u4e86Graphic\u7684\u5916\u89c2\uff0c\u5b83\u662f\u4e00\u7cfb\u5217\u7b26\u53f7\u7684\u603b\u79f0\uff0c\u6211\u4eec\u901a\u5e38\u8ddfSimpleMarkerSymbol\uff0cSimpleLineSymbol\u548cSimpleFillSymbol\u7b49\u6253\u4ea4\u9053\uff0c\u5b83\u4eec\u5206\u522b\u5bf9\u5e94\u4e86\u4e0a\u97623\u79cd\u4e0d\u540c\u7684Geometry\uff08Point\uff0cPolyline\uff0cPolygon\uff09\u3002
        \u8981\u8ba9\u4e00\u4e2aGraphic\u663e\u793a\u51fa\u6765\uff0c\u603b\u5171\u52063\u6b65\uff1a
1\u3001\u5b9a\u4e49Graphic\uff1a
\u5728xaml\u4e2d

<\/esri:graphic><\/code>
\u5728code-behind\u4e2d
Graphic g= new Graphic()<\/code>
2\u3001\u8bbe\u7f6eGraphic\u7684Geometry\u548cSymbol\u5c5e\u6027\uff1a
\u5728xaml\u4e2d



<\/esrisymbols:simplemarkersymbol><\/esri:graphic.symbol>

<\/esrigeometry:mappoint><\/esri:graphic><\/code>
\u5728code-behind\u4e2d
Graphic g = new Graphic()
{
Geometry = new MapPoint(108, 30),
Symbol = new SimpleMarkerSymbol()
{
Color = new SolidColorBrush(Colors.Blue),
Size = 12,
Style = SimpleMarkerSymbol.SimpleMarkerStyle.Square
}
};<\/code>
3\u3001\u628a\u5b9a\u4e49\u597d\u7684Graphic\u6dfb\u52a0\u5230GraphicsLayer\u91cc\uff1a
\u5728xaml\u4e2d





<\/esrisymbols:simplemarkersymbol><\/esri:graphic.symbol>

<\/esrigeometry:mappoint><\/esri:graphic>
<\/esri:graphicslayer.graphics>
<\/esri:graphicslayer><\/code>
\u5728code-behind\u4e2d
Graphic g = new Graphic()
{
Geometry = new MapPoint(108, 30),
Symbol = new SimpleMarkerSymbol()
{
Color = new SolidColorBrush(Colors.Blue),
Size = 12,
Style = SimpleMarkerSymbol.SimpleMarkerStyle.Square
}
};
GraphicsLayer glayer = Map1.Layers[\"GLayer\"] as GraphicsLayer;
glayer.Graphics.Add(g);<\/code>
        \u770b\u4e00\u4e0b\u6548\u679c\uff1a
\"\"<\/a>
        \u56fe\u4e2d\u8fd8\u6709\u5176\u4ed6\u7684\u56fe\u5f62\uff0c\u65e0\u975e\u662f\u6539\u53d8\u4e86Graphic\u7684Geometry\u548cSymbol\u5c5e\u6027\u3002\u56fe\u4e0a\u7684\u90a3\u53ea\u7070\u718a\u662f\u4e00\u6bb5\u52a8\u753b\u6587\u4ef6\uff0c\u5229\u7528Silverlight\u7684\u7279\u6027\uff0c\u80fd\u591f\u5b9a\u4e49\u51fa\u8868\u73b0\u529b\u4e30\u5bcc\u7684\u5404\u79cd\u7b26\u53f7\u3002
        \u5c3d\u7ba1\u80fd\u591f\u5b8c\u5168\u5728xaml\u4e2d\u6765\u5b8c\u6210\u5de5\u4f5c\uff0c\u4f46\u8fd8\u662f\u5efa\u8bae\u5c06\u53ef\u89c6\u5316\u5143\u7d20\u7684\u5b9a\u4e49\u653e\u5728xaml\u4e2d\uff0c\u5c06\u5b9e\u73b0\u7684\u903b\u8f91\u90e8\u5206\u653e\u5728code-behind\u4e2d\u3002\u770b\u4e00\u4e0b\u6dfb\u52a0\u56fe\u4e2d\u90a3\u4e9bGraphic\u7684\u4ee3\u7801\uff1a







<\/esrisymbols:simplefillsymbol><\/esrisymbols:cartographiclinesymbol><\/esrisymbols:simplelinesymbol><\/esrisymbols:picturemarkersymbol><\/esrisymbols:simplemarkersymbol><\/grid.resources><\/p>\n

<\/mediaelement><\/code>
private void AddGraphics()
{
GraphicsLayer glayer = Map1.Layers[\"GLayer\"] as GraphicsLayer;
Graphic[] graphics = new Graphic[8];
graphics[0] = new Graphic()
{
Geometry = new MapPoint(108, 34),
Symbol = RedMarkerSymbol
};<\/p>\n

graphics[1] = new Graphic()
{
Geometry = new MapPoint(108, 30),
Symbol = new SimpleMarkerSymbol()
{
Color = new SolidColorBrush(Colors.Blue),
Size = 12,
Style = SimpleMarkerSymbol.SimpleMarkerStyle.Square
}
};<\/p>\n

graphics[2] = new Graphic()
{
Geometry = new MapPoint(108, 25),
Symbol = PinPictureMarkerSymbol
};<\/p>\n

graphics[3] = new Graphic()
{
Geometry = new MapPoint(108, 20),
Symbol = new TextSymbol()
{
FontFamily = new FontFamily(\"\u5fae\u8f6f\u96c5\u9ed1, \u5b8b\u4f53\"),
FontSize = 14,
Foreground = new SolidColorBrush(Colors.Black),
Text = \"\u8fd9\u662ftext symbol\"
}
};<\/p>\n

graphics[4] = new Graphic();
graphics[4].Symbol = RedLineSymbol;
ESRI.ArcGIS.Geometry.PointCollection pc = new ESRI.ArcGIS.Geometry.PointCollection()
{
new MapPoint(95,10),
\n new MapPoint(110,-15),
new MapPoint(130,10)
};
ESRI.ArcGIS.Geometry.Polyline pl = new ESRI.ArcGIS.Geometry.Polyline();
pl.Paths.Add(pc);
graphics[4].Geometry = pl;<\/p>\n

graphics[5] = new Graphic();
graphics[5].Symbol = CartoLineSymbol;
ESRI.ArcGIS.Geometry.PointCollection pc1 = new ESRI.ArcGIS.Geometry.PointCollection()
{
new MapPoint(95,0),
new MapPoint(110,-25),
new MapPoint(130,0)
};
ESRI.ArcGIS.Geometry.Polyline pl1 = new ESRI.ArcGIS.Geometry.Polyline();
pl1.Paths.Add(pc1);
graphics[5].Geometry = pl1;<\/p>\n

graphics[6] = new Graphic()
{
Symbol = RedFillSymbol
};
ESRI.ArcGIS.Geometry.PointCollection pc2 = new ESRI.ArcGIS.Geometry.PointCollection()
{
new MapPoint(110,-30),
new MapPoint(130,-30),
new MapPoint(130,-45),
new MapPoint(120,-55),
new MapPoint(110,-45),
new MapPoint(110,-30)
};
ESRI.ArcGIS.Geometry.Polygon pg = new ESRI.ArcGIS.Geometry.Polygon();
pg.Rings.Add(pc2);
graphics[6].Geometry=pg;<\/p>\n

graphics[7] = new Graphic();
\/\/MediaElement\u7684Name\u5c5e\u6027\u53ea\u80fd\u5728xaml\u4e2d\u5b9a\u4e49\uff08\u89c1\u5e2e\u52a9\uff09\uff0c\u6240\u4ee5\u51b3\u5b9a\u4e86MediaElement\u4e0d\u80fd\u5b8c\u5168\u5728cs\u4ee3\u7801\u4e2d\u5b9a\u4e49
BearVideo.Source = new Uri(\"http:\/\/serverapps.esri.com\/media\/bear.wmv\", UriKind.RelativeOrAbsolute);
BearVideo.IsHitTestVisible=false;
BearVideo.IsMuted=true;
BearVideo.AutoPlay=true;
BearVideo.Opacity=0;
ESRI.ArcGIS.Geometry.Polygon pg2 = new ESRI.ArcGIS.Geometry.Polygon();
ESRI.ArcGIS.Geometry.PointCollection pc3 = new ESRI.ArcGIS.Geometry.PointCollection()
{
new MapPoint(10,-20),
new MapPoint(32,7),
new MapPoint(62,-35),
new MapPoint(11,-36),
new MapPoint(10,-20)
};
pg2.Rings.Add(pc3);
graphics[7].Geometry=pg2;
graphics[7].Symbol = new SimpleFillSymbol()
{
Fill = new VideoBrush()
{
SourceName = BearVideo.Name,
Opacity = 0.6,
Stretch = Stretch.UniformToFill
}
};<\/p>\n

foreach (Graphic g in graphics)
{
glayer.Graphics.Add(g);
g.MouseLeftButtonDown+=new MouseButtonEventHandler(graphic_MouseLeftButtonDown);
}
}<\/p>\n

private void graphic_MouseLeftButtonDown(object o,MouseButtonEventArgs e)
{
Graphic g=o as Graphic;
MessageBox.Show(string.Format(\"Geometry:{0}nSymbol:{1}\",g.Geometry.GetType().ToString(),g.Symbol.GetType().ToString()));
}<\/code>
        \u53ef\u4ee5\u770b\u5230\uff0c\u5b8c\u5168\u80fd\u591f\u5728\u4e00\u4e2aGraphic\u4e0a\u5b9a\u4e49\u4e00\u4e9b\u4e8b\u4ef6\uff0c\u6765\u8fbe\u5230\u7a0b\u5e8f\u7684\u76ee\u7684\u3002\u5927\u5bb6\u53ef\u4ee5\u8bd5\u7740\u628a\u4e0a\u9762\u7684\u5185\u5bb9\u5728xaml\u4e2d\u6539\u5199\u4e00\u904d\u3002\u770b\u5230\u8fd9\u91cc\u80af\u5b9a\u4f1a\u4ea7\u751f\u4e00\u4e2a\u7591\u95ee\uff1a\u96be\u9053\u6bcf\u4e2aGeometry\u7684\u5b9a\u4e49\u90fd\u8fd9\u4e48\u56f0\u96be\u5417\uff1f\u5176\u5b9eSilverlight API\u5df2\u7ecf\u7ed9\u6211\u4eec\u63d0\u4f9b\u4e86ESRI.ArcGIS.Draw\uff08\u7ee7\u627f\u81eaxaml\u4e2d\u7684Canvas\uff09\u7c7b\uff0c\u5b83\u80fd\u975e\u5e38\u65b9\u4fbf\u7684\u6355\u6349\u5230\u7528\u6237\u7684\u9f20\u6807\u64cd\u4f5c\uff0c\u4ece\u800c\u83b7\u53d6\u5404\u79cdGeometry\u6765\u4f9b\u7a0b\u5e8f\u4f7f\u7528\u3002
        \u53ef\u4ee5\u628aDraw\u7406\u89e3\u6210\u4e00\u5757\u753b\u677f\uff0c\u8c03\u7528Draw\u7684Active()\u65b9\u6cd5\uff0c\u5c31\u53ef\u4ee5\u5f00\u59cb\u5728\u753b\u677f\u4e0a\u9762\u7ed8\u753b\uff0c\u7a0b\u5e8f\u4f1a\u81ea\u52a8\u8bb0\u5f55\u9f20\u6807\u753b\u51fa\u7684\u6bcf\u4e2aGeometry\uff0c\u8c03\u7528DeActive()\u65b9\u6cd5\uff0c\u505c\u6b62\u7ed8\u753b\u3002Active()\u6709\u4e00\u4e2aDrawMode\u53c2\u6570\uff0c\u5b83\u51b3\u5b9a\u4e86\u6211\u4eec\u5373\u5c06\u5728\u8fd9\u4e2a\u753b\u677f\u4e0a\u753b\u51fa\u7684\u5185\u5bb9\u7c7b\u578b\uff1aPoint\uff0cPolyline\uff0cPolygon\u7b49\u3002\u5728\u753b\u7684\u8fc7\u7a0b\u4e2d\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u5730\u56fe\u4e0a\u53ef\u4ee5\u5b9e\u65f6\u53cd\u6620\u51fa\u6211\u4eec\u7ed8\u753b\u7684\u5185\u5bb9\uff0c\u800c\u8fd9\u4e9b\u5219\u5229\u7528\u4e86Draw\u7684\u9884\u5b9a\u4e49Symbol\uff1aDefaultMarkerSymbol\uff0cDefaultLineSymbol\uff0cDefaultPolygonSymbol\u7b49\u3002\u5bf9\u5e94\u5173\u7cfb\u5982\u4e0b\uff1a
\"\"<\/a>
        \u6bcf\u5f53\u5b8c\u6210\u4e00\u4e2a\u56fe\u5f62\u7684\u7ed8\u5236\uff0c\u5c31\u4f1a\u89e6\u53d1Draw.OnDrawComplete\u4e8b\u4ef6\uff0c\u5229\u7528\u4e8b\u4ef6\u53c2\u6570\u5c31\u53ef\u4ee5\u83b7\u5f97Geometry\uff0c\u4e4b\u540e\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2aGraphic\uff0c\u8bbe\u7f6e\u4e00\u4e2aSymbol\uff08\u4e00\u822c\u4f7f\u7528Draw\u7684\u9884\u5b9a\u4e49Symbol\uff09\uff0c\u628a\u753b\u597d\u7684\u8fd9\u4e2aGraphic\u6dfb\u52a0\u5230\u4e00\u4e2aGraphicsLayer\u4e2d\u3002
        \u70b9\u51fb\u8fd9\u91cc<\/a>\uff0c\u67e5\u770b\u4e00\u4e2a\u6bd4\u8f83\u5b8c\u6574\u7684Graphics\u7684\u4f8b\u5b50\u3002
\u6700\u540e\u6765\u770b\u4e00\u4e0b\u8fd9\u4e2a\u4f8b\u5b50\u7684\u90e8\u5206\u4ee3\u7801\uff1a




<\/esrisymbols:simplefillsymbol>
<\/esrisymbols:simplefillsymbol><\/esrisymbols:cartographiclinesymbol><\/esrisymbols:simplemarkersymbol><\/grid.resources><\/p>\n


DefaultRectangleSymbol=\"{StaticResource DefaultFillSymbol}\"
DefaultMarkerSymbol=\"{StaticResource DefaultMarkerSymbol}\"
DefaultLineSymbol=\"{StaticResource DefaultLineSymbol}\"
DefaultPolygonSymbol=\"{StaticResource DefaultPolygonSymbol}\"
Loaded=\"Draw1_Loaded\"
OnDrawComplete=\"Draw1_OnDrawComplete\" \/><\/p>\n



<\/rectangle><\/p>\n



ToolbarIndexChanged=\"ToolBar1_ToolbarIndexChanged\"
ToolbarItemClicked=\"ToolBar1_ToolbarItemClicked\">





<\/image><\/esriwidgets:toolbaritem.content>
<\/esriwidgets:toolbaritem>



<\/image><\/esriwidgets:toolbaritem.content>
<\/esriwidgets:toolbaritem>



<\/image><\/esriwidgets:toolbaritem.content>
<\/esriwidgets:toolbaritem>



<\/image><\/esriwidgets:toolbaritem.content>
<\/esriwidgets:toolbaritem>



<\/image><\/esriwidgets:toolbaritem.content>
<\/esriwidgets:toolbaritem>



<\/image><\/esriwidgets:toolbaritem.content>
<\/esriwidgets:toolbaritem>



<\/image><\/esriwidgets:toolbaritem.content>
<\/esriwidgets:toolbaritem>
<\/esriwidgets:toolbaritemcollection>
<\/esriwidgets:toolbar.items>
<\/esriwidgets:toolbar>

<\/textblock><\/stackpanel>
<\/rectangle><\/canvas><\/esri:draw><\/code>
private void Draw1_Loaded(object sender, RoutedEventArgs e)
{
Draw1.Map = Map1;
}<\/p>\n

private void Draw1_OnDrawComplete(object sender, ESRI.ArcGIS.DrawEventArgs args)
{
ESRI.ArcGIS.GraphicsLayer graphicsLayer = Map1.Layers[\"GLayer2\"] as ESRI.ArcGIS.GraphicsLayer;
ESRI.ArcGIS.Graphic graphic = new ESRI.ArcGIS.Graphic()
{
Geometry = args.Geometry,
Symbol = _activeSymbol,
};
graphicsLayer.Graphics.Add(graphic);
}<\/p>\n

private void ToolBar1_ToolbarIndexChanged(object sender, ESRI.ArcGIS.Widgets.SelectedToolbarItemArgs e)
{
StatusTextBlock.Text = e.Item.Text;
}<\/p>\n

private void ToolBar1_ToolbarItemClicked(object sender, ESRI.ArcGIS.Widgets.SelectedToolbarItemArgs e)
{
Draw1.Deactivate();
switch (e.Index)
{
case 0: \/\/ Point
Draw1.Activate(ESRI.ArcGIS.DrawMode.Point);
_activeSymbol = strobeSymbol;
break;
case 1: \/\/ Polyline
Draw1.Activate(ESRI.ArcGIS.DrawMode.Polyline);
_activeSymbol = DefaultLineSymbol;
break;
case 2: \/\/ Polygon
Draw1.Activate(ESRI.ArcGIS.DrawMode.Polygon);
_activeSymbol = DefaultPolygonSymbol;
break;
case 3: \/\/ Rectangle
Draw1.Activate(ESRI.ArcGIS.DrawMode.Rectangle);
_activeSymbol = DefaultFillSymbol;
break;
case 4: \/\/ Freehand
Draw1.Activate(ESRI.ArcGIS.DrawMode.Freehand);
_activeSymbol = waveLineSymbol;
break;
case 5: \/\/ Stop Graphics
break;
case 6: \/\/ Clear Graphics
ESRI.ArcGIS.GraphicsLayer graphicsLayer = Map1.Layers[\"GLayer2\"] as ESRI.ArcGIS.GraphicsLayer;
graphicsLayer.ClearGraphics();
break;<\/p>\n

}
}<\/code>
        \u5927\u5bb6\u53ef\u4ee5\u6ce8\u610f\u4e00\u4e0b\u4f8b\u5b50\u4e2d\u6dfb\u52a0\u7684\u70b9\u7b26\u53f7\u548c\u66f2\u7ebf\u7b26\u53f7\u3002\u53ea\u8981\u6709\u8db3\u591f\u7684\u60f3\u8c61\u529b\uff0c\u5b8c\u5168\u53ef\u4ee5\u5229\u7528Silverlight\u5b9a\u5236\u51fa\u975e\u5e38\u70ab\u7684\u7b26\u53f7\u6548\u679c\u6765\u3002
        \u597d\u4e86\uff0c\u4e0b\u4e00\u8282\u6211\u4eec\u6765\u4e86\u89e3\u5982\u4f55\u4f7f\u7528\u8fd9\u4e9b\u753b\u51fa\u7684\u56fe\u5f62\u4e0e\u5730\u56fe\u6570\u636e\u4ea4\u4e92\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

        \u6211\u4eec\u4e0e\u5730\u56fe\u4ea4\u4e92\u7684\u8fc7\u7a0b\u65f6\u523b\u5728\u8fdb\u884c\u7740\uff1a\u4e00\u4e2a\u62c9\u6846\u653e\u5927\u64cd\u4f5c\uff0c\u6216\u8005\u5bf9\u5730\u56fe\u5185\u5bb9\u7684\u67e5\u8be2\u7b49\u3002\u8fd9\u4e9b\u4ea4\u4e92\u8fc7\u7a0b\u4e2d\u7684\u8f93\u5165\u8f93\u51fa\uff0c\u901a\u5e38\u90fd\u662f\u53cd\u6620\u5728\u72ec\u7acb\u4e8e\u5730\u56fe\u6570\u636e\u4e00\u4e2a\u201c\u5c42\u201d\u4e0a\u3002\u6bd4\u5982\u62c9\u6846\u653e\u5927\uff0c\u6211\u4eec\u80fd\u770b\u89c1\u9f20\u6807\u6240\u753b\u7684\u4e00\u4e2a\u77e9\u5f62\uff1b\u53c8\u6bd4\u5982\u5bf9\u5174\u8da3\u70b9\u7684\u67e5\u8be2\uff0c\u7ed3\u679c\u901a\u5e38\u662f\u5c06\u7b26\u5408\u6761\u4ef6\u7684\u5174\u8da3\u70b9\u7684\u5f62\u72b6\u9ad8\u4eae\u663e\u793a\u5728\u90a3\u4e2a\u72ec\u7acb\u7684\u201c\u5c42\u201d\u4e2d\uff0c\u901a\u8fc7\u5b83\u65e2\u53ef\u4ee5\u53cd\u6620\u7528\u6237\u7684\u8f93\u5165\uff0c\u53c8\u53ef\u4ee5\u5c55\u73b0\u5730\u56fe\u7684\u8f93\u51fa\u3002\u8fd9\u4e2a\u201c\u5c42\u201d\u5c31\u662fGraphicsLayer\u3002        \u5176\u5b9eADF\u5f00\u53d1\u4e2d\u4e5f\u6709GraphicsLayer\u7684\u6982\u5ff5\uff0c\u540c\u6837\u5728\u5176\u4ed6\u4e24\u4e2a\u5ba2\u6237\u7aefAPI\uff08JavaScript\/Flex\uff09\u4e2d\u4e5f\u80fd\u627e\u5230GraphicsLayer\u7684\u8eab\u5f71\uff0c\u5b83\u4eec\u90fd\u662f\u4e00\u6837\u4e00\u6837\u7684\u3002        \u672c\u8282\u6211\u4eec\u4e3b\u8981\u770b\u5982\u4f55\u5728GraphicsLayer\u4e2d\u5c55\u73b0\u5185\u5bb9\u3002\u5f53\u7136\u7b2c\u4e00\u4e2a\u5de5\u4f5c\u5c31\u662f\u6dfb\u52a0ESRI.ArcGIS.dll\u7684\u5f15\u7528\uff0c\u5f15\u5165esri\u7684xml\u547d\u540d\u7a7a\u95f4\uff1b\u63a5\u4e0b\u6765\u5728Map\u4e2d\u6dfb\u52a0\u4e00\u4e2aGraphicsLayer\u56fe\u5c42\uff1a         \u8981\u4f7fGraphicsLayer\u4e2d\u7684\u5185\u5bb9\u5904\u4e8e\u6700\u9876\u7aef\uff08\u4e0d\u88ab\u5176\u4ed6\u56fe\u5c42\u5185\u5bb9\u8986\u76d6\uff09\uff0c\u5c31\u8981\u5c06\u5b83\u653e\u5728Map\u6807\u7b7e\u91cc\u7684\u6700\u4e0b\u5934\uff0c\u50cf\u4e0a\u9762\u90a3\u6837\u3002\u4ece\u547d\u540d\u6211\u4eec\u4e0d\u96be\u770b\u51fa\uff0cGraphicLayer\u91cc\u9762\u653e\u7684\u5c31\u662fGraphic\u7684\u96c6\u5408\u4e86\u3002Graphic\uff08ESRI.ArcGIS.Graphic\uff09\u662fGraphicsLayer\u4e2d\u7684\u57fa\u672c\u5143\u7d20\uff0c\u5b83\u5305\u62ec\u4e86Geometry(\u5728ESRI.ArcGIS.Geometry\u547d\u540d\u7a7a\u95f4\u4e2d)\uff0cSymbol\uff08\u5728ESRI.ArcGIS.Symbol\u547d\u540d\u7a7a\u95f4\u4e2d\uff09\uff0cAttributes\u7b49\u5c5e\u6027\u3002\u6240\u6709\u663e\u793a\u5728\u5730\u56fe\u4e2d\u7684\u77e2\u91cf\u5143\u7d20\u90fd\u6709\u4e00\u4e2aGeometry\uff0c\u91cc\u9762\u5305\u542b\u4e86\u82e5\u5e72\u5730\u7406\u5750\u6807\uff0c\u7528\u4e8e\u663e\u793a\u5730\u56fe\u4e0a\u5730\u7269\u7684\u5f62\u72b6\uff0c\u5b83\u662fPoint\uff0cPolyline\uff0cPolygon\u7b49\u7684\u603b\u79f0\uff0c\u5728\u8fd9\u91cc\u4ee3\u8868\u4e86Graphic\u7684\u5f62\u72b6\u3002Symbol\u4ee3\u8868\u4e86Graphic\u7684\u5916\u89c2\uff0c\u5b83\u662f\u4e00\u7cfb\u5217\u7b26\u53f7\u7684\u603b\u79f0\uff0c\u6211\u4eec\u901a\u5e38\u8ddfSimpleMarkerSymbol\uff0cSimpleLineSymbol\u548cSimpleFillSymbol\u7b49\u6253\u4ea4\u9053\uff0c\u5b83\u4eec\u5206\u522b\u5bf9\u5e94\u4e86\u4e0a\u97623\u79cd\u4e0d\u540c\u7684Geometry\uff08Point\uff0cPolyline\uff0cPolygon\uff09\u3002        \u8981\u8ba9\u4e00\u4e2aGraphic\u663e\u793a\u51fa\u6765\uff0c\u603b\u5171\u52063\u6b65\uff1a1\u3001\u5b9a\u4e49Graphic\uff1a\u5728xaml\u4e2d\u5728code-behind\u4e2dGraphic g= new Graphic()2\u3001\u8bbe\u7f6eGraphic\u7684Geometry\u548cSymbol\u5c5e\u6027\uff1a\u5728xaml\u4e2d \u5728code-behind\u4e2dGraphic g = new Graphic() { Geometry = new MapPoint(108, 30), Symbol = new SimpleMarkerSymbol() { Color = new SolidColorBrush(Colors.Blue), Size = 12, Style = SimpleMarkerSymbol.SimpleMarkerStyle.Square } };3\u3001\u628a\u5b9a\u4e49\u597d\u7684Graphic\u6dfb\u52a0\u5230GraphicsLayer\u91cc\uff1a\u5728xaml\u4e2d \u5728code-behind\u4e2dGraphic g = new Graphic() { Geometry = new MapPoint(108, 30), Symbol = new SimpleMarkerSymbol() { Color = new SolidColorBrush(Colors.Blue), Size = 12, Style = SimpleMarkerSymbol.SimpleMarkerStyle.Square } };GraphicsLayer glayer = Map1.Layers[“GLayer”] as … Continue reading ArcGIS API for Silverlight\u5f00\u53d1\u5165\u95e8\uff084\uff09\uff1a\u7528\u6237\u4e0e\u5730\u7406\u4fe1\u606f\u4e4b\u95f4\u7684\u6865\u6881–GraphicsLayer<\/span> »<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[2],"tags":[8,24],"_links":{"self":[{"href":"https:\/\/blog.newnaw.com\/index.php?rest_route=\/wp\/v2\/posts\/42"}],"collection":[{"href":"https:\/\/blog.newnaw.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.newnaw.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.newnaw.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.newnaw.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=42"}],"version-history":[{"count":0,"href":"https:\/\/blog.newnaw.com\/index.php?rest_route=\/wp\/v2\/posts\/42\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.newnaw.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=42"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.newnaw.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=42"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.newnaw.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=42"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}