public void MouseMove(object sender, MouseEventArgs e)
{
if(!isOn)
return;
if(State!=MeasureState.Measuring)
return;
Angle lat;
Angle lon;
m_drawArgs.WorldCamera.PickingRayIntersection(
e.X,
e.Y,
out lat,
out lon);
if(Angle.IsNaN(lat))
return;
EndLongitude = lon;
EndLatitude = lat;
// Calculate distance (meters) and heading between start and current mouse position
Angle angularDistance = World.ApproxAngularDistance(StartLatitude, StartLongitude, EndLatitude, EndLongitude);
Distance = angularDistance.Radians * m_world.EquatorialRadius;
Azimuth = MathEngine.Azimuth(StartLatitude, StartLongitude, EndLatitude, EndLongitude);
BuildMeasureLine(angularDistance);
if(multiline.Count>0)
this.multiline.deleteLine();
MeasureLine line = new MeasureLine(multiline.Count);
line.StartLatitude = this.StartLatitude;
line.EndLatitude = this.EndLatitude;
line.StartLongitude = this.StartLongitude;
line.EndLongitude = this.EndLongitude;
line.Calculate(this.m_world,false);
this.multiline.addLine(line);
}
