/// <summary>
/// 图层定位
/// </summary>
/// <param name="globeControl1"></param>
/// <param name="latLonBounds"></param>
public static void flyToLayerOrTerrain(GSOGlobeControl globeControl1, GSORect2d latLonBounds)
{
if ((latLonBounds.Left.Equals(0.0) == false) &&
(latLonBounds.Bottom.Equals(0.0) == false) &&
(latLonBounds.Top.Equals(0.0) == false) &&
(latLonBounds.Right.Equals(0.0) == false))
{
GSOPoint2d pntCenter = latLonBounds.Center;
GSOPoint3d pntPostion = new GSOPoint3d();
pntPostion.X = pntCenter.X;
pntPostion.Y = pntCenter.Y;
double dMaxGeoLen = Math.Max(latLonBounds.Width, latLonBounds.Height);
double dSize = dMaxGeoLen * Math.PI * 6378137 / 90;
pntPostion.Z = dSize > 20000000 ? dSize / 4 : dSize;
globeControl1.Globe.FlyToPosition(pntPostion, EnumAltitudeMode.RelativeToGround);
}
}
public Form1()
{
InitializeComponent();
globeControl1 = new GSOGlobeControl();
panel1.Controls.Add(globeControl1);
globeControl1.Dock = DockStyle.Fill;
//点击节点飞行到要素全貌
treeView1.NodeMouseDoubleClick += (sender, e) =>
{
if (e.Node.Tag.GetType() == typeof(GSOFeature))
{
GSOFeature feature = e.Node.Tag as GSOFeature;
if (feature.Geometry.CameraState == null)
{
GSORect2d latLonBounds = feature.Geometry.Bounds;
if ((latLonBounds.Left.Equals(0.0) == false) &&
(latLonBounds.Bottom.Equals(0.0) == false) &&
(latLonBounds.Top.Equals(0.0) == false) &&
(latLonBounds.Right.Equals(0.0) == false))
{
Utility.flyToLayerOrTerrain(globeControl1, latLonBounds);
}
}
}
};
#region Balloon初始化
featureTooltip = new GSOBalloon(globeControl1.Handle); //实例化GSOBalloon对象
featureTooltip.SetSize(EnumSizeIndex.ROUNDED_CX, 5); // 设置边角的圆润度
featureTooltip.SetSize(EnumSizeIndex.ROUNDED_CY, 5); // 设置边角的圆润度
featureTooltip.SetSize(EnumSizeIndex.MARGIN_CX, 3); // 设置空白边缘宽度
featureTooltip.SetSize(EnumSizeIndex.MARGIN_CY, 3); // 设置空白边缘宽度
featureTooltip.SetSize(EnumSizeIndex.ANCHOR_HEIGHT, 30); // 设置GSOBalloon 锚的高度
featureTooltip.EscapeSequencesEnabled = true;
featureTooltip.HyperlinkEnabled = true; // 设置是否可以点击GSOBalloon里面的超链接
featureTooltip.Opaque = 0; // 透明度，取值范围是0～100，0为不透明，100为全透明
featureTooltip.MaxWidth = 300; // 最大宽度
featureTooltip.SetBorder(Color.FromArgb(255, 255, 128, 64), 1, 1); // 边框
featureTooltip.SetColorBkType(EnumBkColorType.SILVER); //填充颜色
// 也可以下面方法设置
//featureTooltip.SetColorBk(Color.FromArgb(255, 255, 255, 255), Color.FromArgb(255,240, 247, 250), Color.FromArgb(255,192, 192, 200));
featureTooltip.SetEffectBk(EnumBkEffect.VBUMP, 10); //渐变效果
featureTooltip.SetShadow(0, 0, 50, true, 0, 0); // 阴影
//featureTooltip.CloseButtonVisible = true; //显示关闭按钮
//鼠标进入显示气泡
globeControl1.FeatureMouseIntoEvent += (sender, e) =>
{
if (!featureTooltip.IsVisible())
{
String str1 = "<table><tr><td valign=vcenter><center><h2> " + e.Feature.Name + "</h2><br><hr color=blue></center></td></tr></table>";
String str2 = e.Feature.Description;
// 显示GSOBalloon
featureTooltip.ShowBalloon((int)e.MousePos.X, (int)e.MousePos.Y, str1 + str2);
}
};
//鼠标移出时隐藏气泡
globeControl1.FeatureMouseOutEvent += (sender, e) =>
{
if (featureTooltip.IsVisible())
{
globeControl1.SwapBuffer(); //为了避免闪屏
featureTooltip.HideBalloon();
}
};
#endregion
#region BalloonEx初始化
balloonEx = new GSOBalloonEx(globeControl1.Handle);
//点击要素显示
globeControl1.FeatureMouseClickEvent += (sender, e) =>
{
GSOBalloonParam balloonParam = balloonEx.ParseParam(e.Feature.Description);
balloonEx.ShowBalloonEx((int)e.MousePos.X, (int)e.MousePos.Y, balloonParam);
};
#endregion
//移动视角时，隐藏气泡
globeControl1.CameraBeginMoveEvent += (sender, args) =>
{
balloonEx.HideBalloon();
};
}
private void layerTree_NodeMouseDoubleClick(object sender, TreeNodeMouseClickEventArgs e)
{
if (e.Node.Tag != null)
{
if(e.Node.Tag.GetType() == typeof(GSOFeature))
{
GSOFeature feature = e.Node.Tag as GSOFeature;
if (feature.Geometry == null || feature.Geometry.CameraState == null)
{
globeControl1.Globe.FlyToFeature(feature);
}
else
{
globeControl1.Globe.FlyToCameraState(feature.Geometry.CameraState);
}
}
else
{
GSORect2d rcBounds=new GSORect2d();
GSOLayer tempLayer = e.Node.Tag as GSOLayer;
if (tempLayer!=null)
{
rcBounds = tempLayer.LatLonBounds;
}
else if (e.Node.Tag.GetType() == typeof(GSOTerrain))
{
GSOTerrain tempTerrain = e.Node.Tag as GSOTerrain;
rcBounds = tempTerrain.LatLonBounds;
}
if(!rcBounds.IsEmpty())
{
GSOPoint2d pntCenter = rcBounds.Center;
GSOPoint3d pntPostion=new GSOPoint3d();
pntPostion.X = pntCenter.X;
pntPostion.Y = pntCenter.Y;
Double dMaxGeoLen = Math.Max(rcBounds.Width, rcBounds.Height);
Double dSize = dMaxGeoLen *Math.PI*6378137/360;
pntPostion.Z = dSize;
globeControl1.Globe.FlyToPosition(pntPostion,EnumAltitudeMode.Absolute);
}
}
}
}
