private void AddPolygon()
{
GSOGeoPolygon3D geoPolygon = new GSOGeoPolygon3D(); //创建多边形对象
//创建节点对象
GSOPoint3ds polygonPnts = new GSOPoint3ds();
polygonPnts.Add(new GSOPoint3d(116.7, 39.8, 0));
polygonPnts.Add(new GSOPoint3d(116.8, 39.9, 0));
polygonPnts.Add(new GSOPoint3d(116.8, 39.7, 0));
polygonPnts.Add(new GSOPoint3d(116.7, 39.7, 0));
geoPolygon.AddPart(polygonPnts); //把节点添加到多边形对象上
GSOSimplePolygonStyle3D stylePolygon = new GSOSimplePolygonStyle3D(); //创建风格
stylePolygon.OutLineVisible = true; //显示多边形的边缘线
//设置多边形的填充颜色，FromArgb()中的四个参数分别为alpha、red、green、blue，取值范围为0到255
stylePolygon.FillColor = Color.FromArgb(100, 255, 255, 0);
geoPolygon.Style = stylePolygon; //把风格添加到多边形上
//创建几何对象并设置属性
GSOFeature f = new GSOFeature();
f.Geometry = geoPolygon;
f.Name = "多边形 01";
f.SetFieldValue("description", "a demo polygon");
#region 属性设置
f.Description = "<html>\r\n<head>\r\n<style>\r\n#tab-list {\r\nborder-collapse:collapse;\r\nfont-size:15px;\r\nmargin:20px;\r\ntext-align:left;\r\nwidth:280px;\r\n}\r\n\r\n#tab-list th {\r\nborder-bottom:2px solid #6678B1;\r\ncolor:#003399;\r\nfont-size:14px;\r\nfont-weight:normal;\r\npadding:10px 8px;\r\n}\r\n#tab-list td {\r\nborder-bottom:1px solid #CCCCCC;\r\ncolor:#666699;\r\npadding:6px 8px;\r\n}\r\n</style>\r\n</head>\r\n<body style=\"border:none\">\r\n<center>\r\n<table id=\"tab-list\">\r\n<thead><tr><th>属性名称</th><th>属性值</th></tr></thead>\r\n<tbody>$tablecontent</tbody></table>\r\n</center>\r\n</body>\r\n</html>\r\n";
GSOGeoPolyline3D line = new GSOGeoPolyline3D();
line.AddPart((f.Geometry as GSOGeoPolygon3D)[0]);
double length = line.GetSpaceLength(true, 6378137) / 1000;
Dictionary <string, string> property = new Dictionary <string, string>();
property.Add("面积", ((f.Geometry as GSOGeoPolygon3D).Area / 1000000).ToString("f4") + "平方千米");
property.Add("周长", length.ToString("f2") + "千米");
f.Description = f.Description.Replace("$tablecontent", maketable(property));
#endregion
globeControl1.Globe.MemoryLayer.AddFeature(f); //把几何要素添加到内存图层中
}
// 面
private void btn_Polygon_Click(object sender, System.EventArgs e)
{
GSOGeoPolygon3D polygon = new GSOGeoPolygon3D(); //创建多边形对象
//创建节点对象
GSOPoint3ds polygonPnts = new GSOPoint3ds();
polygonPnts.Add(new GSOPoint3d(120.47, 31.3, 0));
polygonPnts.Add(new GSOPoint3d(120.48, 31.3, 0));
polygonPnts.Add(new GSOPoint3d(120.48, 31.25, 0));
polygonPnts.Add(new GSOPoint3d(120.47, 31.2, 0));
polygon.AddPart(polygonPnts); //把节点添加到多边形对象上
GSOSimplePolygonStyle3D style = new GSOSimplePolygonStyle3D();
style.FillColor = Color.FromArgb(255, Color.Gray);
polygon.Style = style;
AddNewGeoToLayer(polygon, "面");
}
/// <summary>
/// 创建面
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnAddPolygon_Click(object sender, EventArgs e)
{
GSOGeoPolygon3D geoPolygon = new GSOGeoPolygon3D(); //创建多边形对象
//创建节点对象
GSOPoint3ds polygonPnts = new GSOPoint3ds();
polygonPnts.Add(new GSOPoint3d(116.7, 39.8, 0));
polygonPnts.Add(new GSOPoint3d(116.8, 39.9, 0));
polygonPnts.Add(new GSOPoint3d(116.8, 39.7, 0));
polygonPnts.Add(new GSOPoint3d(116.7, 39.7, 0));
geoPolygon.AddPart(polygonPnts); //把节点添加到多边形对象上
GSOSimplePolygonStyle3D stylePolygon = new GSOSimplePolygonStyle3D(); //创建风格
stylePolygon.OutLineVisible = true; //显示多边形的边缘线
//设置多边形的填充颜色，FromArgb()中的四个参数分别为alpha、red、green、blue，取值范围为0到255
stylePolygon.FillColor = Color.FromArgb(100, 255, 255, 0);
geoPolygon.Style = stylePolygon; //把风格添加到多边形上
//创建几何对象并设置属性
GSOFeature f = new GSOFeature();
f.Geometry = geoPolygon;
f.Name = "多边形 01";
f.SetFieldValue("description", "a demo polygon");
//绑定数据
btnRemovePolygon.Tag = f;
globeControl1.Globe.MemoryLayer.AddFeature(f); //把几何要素添加到内存图层中
//下面不属于工程内容，只是飞到点的位置
GSOCameraState cs = new GSOCameraState();
cs.Longitude = 116.75;
cs.Latitude = 39.8;
cs.Altitude = 50000;
globeControl1.Globe.FlyToCameraState(cs);
}
private void Form1_Load(object sender, EventArgs e)
{
#region 创建面要素和飞到面
GSOGeoPolygon3D geoPolygon = new GSOGeoPolygon3D(); //创建多边形对象
//创建节点对象
GSOPoint3ds polygonPnts = new GSOPoint3ds();
polygonPnts.Add(new GSOPoint3d(116.7, 39.8, 0));
polygonPnts.Add(new GSOPoint3d(116.8, 39.9, 0));
polygonPnts.Add(new GSOPoint3d(116.8, 39.7, 0));
polygonPnts.Add(new GSOPoint3d(116.7, 39.7, 0));
geoPolygon.AddPart(polygonPnts); //把节点添加到多边形对象上
GSOSimplePolygonStyle3D stylePolygon = new GSOSimplePolygonStyle3D(); //创建风格
stylePolygon.OutLineVisible = true; //显示多边形的边缘线
//设置多边形的填充颜色，FromArgb()中的四个参数分别为alpha、red、green、blue，取值范围为0到255
stylePolygon.FillColor = Color.FromArgb(100, 255, 255, 0);
geoPolygon.Style = stylePolygon; //把风格添加到多边形上
//下面不属于工程内容，只是飞到点的位置
GSOCameraState cs = new GSOCameraState();
cs.Longitude = 116.75;
cs.Latitude = 39.8;
cs.Altitude = 50000;
globeControl1.Globe.FlyToCameraState(cs);
#endregion
//创建几何对象并设置属性
GSOFeature f = new GSOFeature();
f.Geometry = geoPolygon;
f.Name = "多边形 01";
f.CustomID = 1;
f.SetFieldValue("description", "a demo polygon");
f.Description = "这是一个多边形";
//将面添加到球中
feature = globeControl1.Globe.MemoryLayer.AddFeature(f); //添加的时候获取要素
}
/// <summary>
/// 向图层数据中添加要素Feature
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btn_EditFeature_Click(object sender, EventArgs e)
{
//新建要素
GSOGeoPolygon3D polygon = new GSOGeoPolygon3D();
GSOPoint3ds points = new GSOPoint3ds();
points.Add(new GSOPoint3d(120, 30, 0));
points.Add(new GSOPoint3d(120.004, 30, 0));
points.Add(new GSOPoint3d(120.002, 30.001, 0));
polygon.AddPart(points);
GSOFeature feature = new GSOFeature();
feature.Geometry = polygon;
_featureLayer.AddFeature(feature);
_glbControl.Globe.MemoryLayer.AddFeature(feature);
_glbControl.Globe.FlyToFeature(feature);
_featureLayer.Save();
}
