/// <summary>
/// Draw the ephemeris in the Insight3D window.
/// </summary>
/// <param name="ephemeris">The date, position (and velocity) information of the object being displayed.</param>
/// <param name="inertialFrame">The inertial frame to display the graphics in.</param>
private void DrawSatellite(DateMotionCollection <Cartesian> ephemeris, ReferenceFrame inertialFrame)
{
// Clean up the previous run's graphics
foreach (Primitive primitive in m_primitivesAddedToScene)
{
SceneManager.Primitives.Remove(primitive);
}
m_primitivesAddedToScene.Clear();
if (m_platform != null)
{
m_display.ServiceProviders.Remove(m_platform);
}
// Draw the orbit
List <PathPoint> points = new List <PathPoint>();
for (int i = 0; i < ephemeris.Count; i++)
{
points.Add(new PathPointBuilder(ephemeris.Values[i], ephemeris.Dates[i]).ToPathPoint());
}
PathPrimitive path = new PathPrimitive {
ReferenceFrame = inertialFrame
};
path.AddRangeToFront(points);
SceneManager.Primitives.Add(path);
m_primitivesAddedToScene.Add(path);
// Put a marker where the satellite is at a given time
LagrangePolynomialApproximation interpolationAlgorithm = new LagrangePolynomialApproximation();
TranslationalMotionInterpolator interpolator = new TranslationalMotionInterpolator(interpolationAlgorithm, 2, ephemeris);
m_platform = new Platform
{
LocationPoint = new PointInterpolator(inertialFrame, interpolator)
};
Texture2D texture = SceneManager.Textures.FromUri(@"Data\Markers\Satellite.png");
m_platform.Extensions.Add(new MarkerGraphicsExtension(new MarkerGraphics
{
Texture = new ConstantGraphicsParameter <Texture2D>(texture)
}));
m_display.ServiceProviders.Add(m_platform);
m_display.ApplyChanges();
// Set the date to the start of the ephemeris
SceneManager.Animation.Time = ephemeris.Dates[0];
}