private void btn_Globe_Click(object sender, EventArgs e)
{
string filePath = @"D:\a_gis工程设计实践课\scene世界地图\world.3dd";
if (axGlobeControl1.Check3dFile(filePath))
{
axGlobeControl1.MousePointer = ESRI.ArcGIS.Controls.esriControlsMousePointer.esriPointerHourglass;
axGlobeControl1.Load3dFile(filePath);
axGlobeControl1.MousePointer = esriControlsMousePointer.esriPointerDefault;
}
else
{
MessageBox.Show(filePath + "不是有效的地图文档");
}
//定位墓穴点
try
{
IScene pScene = axGlobeControl1.Globe.GlobeDisplay.Scene;
IFeatureLayer pFlyr = null;
string name = "云顶天宫";
for (int i = 0; i < pScene.LayerCount; ++i)
{
if (pScene.get_Layer(i).Name == name)//要定位的图层
{
{
pFlyr = pScene.get_Layer(i) as IFeatureLayer;
break;
}
}
}
IFeature pFteature = pFlyr.FeatureClass.GetFeature(0);//定位ObjectID=1384元素
ESRI.ArcGIS.Analyst3D.ICamera camera = axGlobeControl1.Globe.GlobeDisplay.ActiveViewer.Camera;
ESRI.ArcGIS.GlobeCore.IGlobeCamera globeCamera = (ESRI.ArcGIS.GlobeCore.IGlobeCamera)camera;
IMap pMap = axGlobeControl1.Globe as IMap;
pMap.SelectFeature(pFlyr, pFteature);
((IActiveView)axGlobeControl1.Globe).PartialRefresh(esriViewDrawPhase.esriViewGeoSelection, null, null);
ZoomToGeometry(axGlobeControl1.Globe, pFteature.Shape, 3, name);
}
catch { }
showGrave();
//展示墓穴点
}
private void buttonX2_Click(object sender, EventArgs e)
{
ESRI.ArcGIS.Analyst3D.IScene scene = (ESRI.ArcGIS.Analyst3D.IScene)GlobeControl.Globe;
// Explicit cast.
ESRI.ArcGIS.Geometry.IEnvelope envelope = GlobalValues.element3D.Geometry.Envelope;
ESRI.ArcGIS.Analyst3D.ICamera camera = GlobeControl.Globe.GlobeDisplay.ActiveViewer.Camera;
ESRI.ArcGIS.GlobeCore.IGlobeCamera globeCamera = (ESRI.ArcGIS.GlobeCore.IGlobeCamera)
camera; // Explicit cast.
ESRI.ArcGIS.Analyst3D.ISceneViewer sceneViewer = GlobeControl.Globe.GlobeDisplay.ActiveViewer;
globeCamera.SetToZoomToExtents(envelope, GlobeControl.Globe, sceneViewer);
}
public static void AutoSwitchGlobeCameraOrientationMode(IGlobe pGlobe)
{
try
{
ESRI.ArcGIS.Analyst3D.ISceneViewer sceneViewer = pGlobe.GlobeDisplay.ActiveViewer;
ESRI.ArcGIS.Analyst3D.ICamera camera = sceneViewer.Camera;
ESRI.ArcGIS.GlobeCore.IGlobeCamera globeCamera = (ESRI.ArcGIS.GlobeCore.IGlobeCamera)camera;
double xTarget;
double yTarget;
ESRI.ArcGIS.Geometry.IPoint targetCls = (globeCamera as ICamera).Target;
targetCls.QueryCoords(out xTarget, out yTarget);
double zTarget = targetCls.Z;
// Calculate the current azimuth and inclination of the camera.
//azimuth = Math.Atan2(xTarget, yTarget) * 180 / Math.PI;
double inclination = (180 / Math.PI) * (Math.Asin(zTarget / Math.Sqrt(xTarget * xTarget + yTarget * yTarget + zTarget * zTarget))) - 10.0;
if (inclination > 88 | inclination < -88 | double.IsNaN(inclination))
{
double targetLatitude;
double targetLongitude;
double targetAltitude;
globeCamera.GetTargetLatLonAlt(out targetLatitude, out targetLongitude, out targetAltitude);
double observerLatitude;
double obsLongitude;
double obsAltitude;
globeCamera.GetObserverLatLonAlt(out observerLatitude, out obsLongitude, out obsAltitude);
//// Set the GlobeCamera to global navigation mode.
globeCamera.OrientationMode = ESRI.ArcGIS.GlobeCore.esriGlobeCameraOrientationMode.esriGlobeCameraOrientationGlobal;
globeCamera.NavigationType = ESRI.ArcGIS.GlobeCore.esriGlobeNavigationType.esriGlobeNavigationAttached;
globeCamera.SetObserverLatLonAlt(targetLatitude, targetLongitude, obsAltitude);
}
else
{
globeCamera.OrientationMode = ESRI.ArcGIS.GlobeCore.esriGlobeCameraOrientationMode.esriGlobeCameraOrientationLocal;
globeCamera.NavigationType = ESRI.ArcGIS.GlobeCore.esriGlobeNavigationType.esriGlobeNavigationFree;
}
}
catch { }
}
public void ZoomToSelectedGlobeFeatures(ESRI.ArcGIS.GlobeCore.IGlobe globe, IEnvelope pEv, string name)
{
ESRI.ArcGIS.GlobeCore.IGlobeDisplay globeDisplay = globe.GlobeDisplay;
ESRI.ArcGIS.Analyst3D.ISceneViewer sceneViewer = globeDisplay.ActiveViewer;
ESRI.ArcGIS.Analyst3D.ICamera camera = sceneViewer.Camera;
ESRI.ArcGIS.GlobeCore.IGlobeCamera globeCamera = (ESRI.ArcGIS.GlobeCore.IGlobeCamera)camera;
ESRI.ArcGIS.Analyst3D.IScene scene = globeDisplay.Scene;
ESRI.ArcGIS.Geometry.IEnvelope envelope = new ESRI.ArcGIS.Geometry.EnvelopeClass();
envelope.SetEmpty();
ESRI.ArcGIS.Geometry.IEnvelope layersExtentEnvelope = new ESRI.ArcGIS.Geometry.EnvelopeClass();
layersExtentEnvelope.SetEmpty();
ESRI.ArcGIS.Geometry.IZAware ZAware = (ESRI.ArcGIS.Geometry.IZAware)envelope;
ZAware.ZAware = (true);
envelope.Union(pEv);
IFeatureLayer pFlyr = null;
for (int i = 0; i < scene.LayerCount; ++i)
{
if (scene.get_Layer(i).Name == name)
{
pFlyr = scene.get_Layer(i) as IFeatureLayer;
break;
}
}
ESRI.ArcGIS.Geodatabase.IGeoDataset geoDataset = (ESRI.ArcGIS.Geodatabase.IGeoDataset)pFlyr;
if (geoDataset != null)
{
ESRI.ArcGIS.Geometry.IEnvelope layerExtent = geoDataset.Extent;
layersExtentEnvelope.Union(layerExtent);
}
System.Double width = envelope.Width;
System.Double height = envelope.Height;
if (width == 0.0 && height == 0.0)
{
System.Double dim = 1.0;
System.Boolean bEmpty = layersExtentEnvelope.IsEmpty;
if (!bEmpty)
{
System.Double layerWidth = layersExtentEnvelope.Width;
System.Double layerHeight = layersExtentEnvelope.Height;
System.Double layerDim = System.Math.Max(layerWidth, layerHeight) * 0.05;
if (layerDim > 0.0)
{
dim = System.Math.Min(1.0, layerDim);
}
}
System.Double xMin = envelope.XMin;
System.Double yMin = envelope.YMin;
ESRI.ArcGIS.Geometry.IPoint point = new ESRI.ArcGIS.Geometry.PointClass();
point.X = xMin;
point.Y = yMin;
envelope.Width = dim * 0.8;
envelope.Height = dim * 0.8;
envelope.CenterAt(point);
}
else if (width == 0.0 || height == 0.0)
{
System.Double maxDim = System.Math.Max(width, height);
envelope.Width = maxDim;
envelope.Height = maxDim;
}
globeCamera.SetToZoomToExtents(envelope, globe, sceneViewer);
sceneViewer.Redraw(true);
}
