public void EndFlight()
{
inUse = false;
bCancel = true;
speed = 0;
globeDisplay.IsNavigating = false;
// reposition target
PointZ currentObs = new PointZ();
IPoint newTarget = new PointClass();
currentObs.x = camera.Observer.X;
currentObs.y = camera.Observer.Y;
currentObs.z = camera.Observer.Z;
int orX = 0;
int orY = 0;
int width = 0;
int height = 0;
camera.GetViewport(ref orX, ref orY, ref width, ref height);
object obj1;
object obj2;
try
{
globeDisplay.Locate(globeDisplay.ActiveViewer, width / 2, height / 2, true, true, out newTarget, out obj1, out obj2);
}
catch (System.Exception e)
{
MessageBox.Show(e.Message);
MessageBox.Show(e.StackTrace.ToString());
}
if (newTarget == null) // no intersection with globe, but don't let the target to be too far
{
newTarget = camera.Target;
PointZ tar = new PointZ(currentObs.x, currentObs.y, currentObs.z);
double elevObs = tar.Norm() - 1.0;
if (elevObs <= 0.0001)
{
elevObs = 0.0001;
}
PointZ oldTarget = new PointZ(newTarget.X, newTarget.Y, newTarget.Z);
PointZ dir = (oldTarget - tar);
double val = dir.Norm();
if (val > 0.0)
{
dir.x = dir.x * elevObs * 10 / val;
dir.y = dir.y * elevObs * 10 / val;
dir.z = dir.z * elevObs * 10 / val;
}
tar = tar + dir;
newTarget.X = tar.x;
newTarget.Y = tar.y;
newTarget.Z = tar.z;
}
ESRI.ArcGIS.GlobeCore.IGlobeViewUtil globeViewUtil = globeCamera as ESRI.ArcGIS.GlobeCore.IGlobeViewUtil;
double obsLat;
double obsLon;
double obsAlt;
double tarLat;
double tarLon;
double tarAlt;
globeViewUtil.GeocentricToGeographic(currentObs.x, currentObs.y, currentObs.z, out obsLon, out obsLat, out obsAlt);
globeViewUtil.GeocentricToGeographic(newTarget.X, newTarget.Y, newTarget.Z, out tarLon, out tarLat, out tarAlt);
globeCamera.SetObserverLatLonAlt(obsLat, obsLon, obsAlt / 1000);
globeCamera.SetTargetLatLonAlt(tarLat, tarLon, tarAlt / 1000);
camera.RollAngle = 0;
camera.PropertiesChanged();
globeDisplay.RefreshViewers();
//Windows API call to set cursor
SetCursor(moveFlyCur.Handle.ToInt32());
}
public void EndFlight()
{
inUse = false;
bCancel = true;
speed = 0;
globeDisplay.IsNavigating = false;
// reposition target
PointZ currentObs = new PointZ();
IPoint newTarget = new PointClass();
currentObs.x = camera.Observer.X;
currentObs.y = camera.Observer.Y;
currentObs.z = camera.Observer.Z;
int orX = 0;
int orY = 0;
int width = 0;
int height = 0;
camera.GetViewport(ref orX, ref orY, ref width, ref height);
object obj1;
object obj2;
try
{
globeDisplay.Locate(globeDisplay.ActiveViewer, width / 2, height / 2, true, true, out newTarget, out obj1, out obj2);
}
catch (System.Exception e)
{
MessageBox.Show(e.Message);
MessageBox.Show(e.StackTrace.ToString());
}
if (newTarget == null) // no intersection with globe, but don't let the target to be too far
{
newTarget = camera.Target;
PointZ tar = new PointZ(currentObs.x, currentObs.y, currentObs.z);
double elevObs = tar.Norm() - 1.0;
if (elevObs <= 0.0001)
elevObs = 0.0001;
PointZ oldTarget = new PointZ(newTarget.X, newTarget.Y, newTarget.Z);
PointZ dir = (oldTarget - tar);
double val = dir.Norm();
if (val > 0.0)
{
dir.x = dir.x * elevObs * 10 / val;
dir.y = dir.y * elevObs * 10 / val;
dir.z = dir.z * elevObs * 10 / val;
}
tar = tar + dir;
newTarget.X = tar.x;
newTarget.Y = tar.y;
newTarget.Z = tar.z;
}
ESRI.ArcGIS.GlobeCore.IGlobeViewUtil globeViewUtil = globeCamera as ESRI.ArcGIS.GlobeCore.IGlobeViewUtil;
double obsLat;
double obsLon;
double obsAlt;
double tarLat;
double tarLon;
double tarAlt;
globeViewUtil.GeocentricToGeographic(currentObs.x, currentObs.y, currentObs.z, out obsLon, out obsLat, out obsAlt);
globeViewUtil.GeocentricToGeographic(newTarget.X, newTarget.Y, newTarget.Z, out tarLon, out tarLat, out tarAlt);
globeCamera.SetObserverLatLonAlt(obsLat, obsLon, obsAlt / 1000);
globeCamera.SetTargetLatLonAlt(tarLat, tarLon, tarAlt / 1000);
camera.RollAngle = 0;
camera.PropertiesChanged();
globeDisplay.RefreshViewers();
//Windows API call to set cursor
SetCursor(moveFlyCur.Handle.ToInt32());
}