public LotsOfSatellites()
{
InitializeComponent();
m_insight3D = new Insight3D();
m_insight3D.Dock = DockStyle.Fill;
m_insight3DPanel.Controls.Add(m_insight3D);
m_animation = new SimulationAnimation();
SceneManager.Animation = m_animation;
SceneManager.TimeChanged += OnTimeChanged;
}
/// <summary>
/// Construct a default instance.
/// </summary>
public Main()
{
InitializeComponent();
m_insight3D = new Insight3D();
m_insight3D.Dock = DockStyle.Fill;
m_insight3DPanel.Controls.Add(m_insight3D);
m_defaultStart = GregorianDate.Now;
m_defaultEnd = m_defaultStart.AddDays(1);
m_animation = new SimulationAnimation();
SceneManager.Animation = m_animation;
m_display = new ServiceProviderDisplay();
m_forceModelSettings = new ForceModelSettings(s_jplData, GetDataFilePath("EarthGravityFile_EGM2008.grv"));
m_integratorSettings = new IntegratorSettings();
m_area.Text = "20";
m_mass.Text = "500";
// Create overlay toolbar and panels
m_overlayToolbar = new OverlayToolbar(m_insight3D);
m_overlayToolbar.Overlay.Origin = ScreenOverlayOrigin.BottomCenter;
// Initialize the text panel
TextureScreenOverlay textPanel = new TextureScreenOverlay(0, 0, 220, 35)
{
Origin = ScreenOverlayOrigin.TopRight,
BorderSize = 0,
BorderColor = Color.Transparent,
BorderTranslucency = 1.0f,
Color = Color.Transparent,
Translucency = 1.0f
};
SceneManager.ScreenOverlays.Add(textPanel);
m_dateTimeFont = new Font("Courier New", 12, FontStyle.Bold);
Size textSize = Insight3DHelper.MeasureString(m_defaultStart.ToString(), m_dateTimeFont);
m_textOverlay = new TextureScreenOverlay(0, 0, textSize.Width, textSize.Height)
{
Origin = ScreenOverlayOrigin.Center,
BorderSize = 0
};
textPanel.Overlays.Add(m_textOverlay);
// Show label for the moon
m_insight3D.Scene.CentralBodies[CentralBodiesFacet.GetFromContext().Moon].ShowLabel = true;
// Set the name for the element that will get propagated
m_elementID = "Satellite";
// Subscribe to the time changed event
SceneManager.TimeChanged += OnTimeChanged;
// Set the start and stop times
m_start.CustomFormat = DateFormat;
m_end.CustomFormat = DateFormat;
m_start.Text = m_defaultStart.ToString(DateFormat);
m_end.Text = m_defaultEnd.ToString(DateFormat);
m_animation.Time = m_defaultStart.ToJulianDate();
m_animation.StartTime = m_defaultStart.ToJulianDate();
m_animation.EndTime = m_defaultEnd.ToJulianDate();
// Dynamically set the camera's position and direction so that the camera will always be pointed at the daylit portion of the earth.
EarthCentralBody earth = CentralBodiesFacet.GetFromContext().Earth;
SunCentralBody sun = CentralBodiesFacet.GetFromContext().Sun;
VectorTrueDisplacement earthToSunVector = new VectorTrueDisplacement(earth.CenterOfMassPoint, sun.CenterOfMassPoint);
VectorEvaluator earthToSunEvaluator = earthToSunVector.GetEvaluator();
Cartesian earthToSunCartesian = earthToSunEvaluator.Evaluate(new JulianDate(m_defaultStart));
UnitCartesian earthToSunUnitCartesian = new UnitCartesian(earthToSunCartesian);
UnitCartesian cameraDirection = new UnitCartesian(earthToSunUnitCartesian.Invert());
Cartesian cameraPosition = new Cartesian(earthToSunUnitCartesian.X * 50000000, earthToSunUnitCartesian.Y * 50000000, earthToSunUnitCartesian.Z * 50000000);
m_insight3D.Scene.Camera.Position = cameraPosition;
m_insight3D.Scene.Camera.Direction = cameraDirection;
}
public Main()
{
InitializeComponent();
m_insight3D = new Insight3D();
m_insight3D.Dock = DockStyle.Fill;
m_insight3DPanel.Controls.Add(m_insight3D);
// We don't have a call placed yet.
m_hangUpButton.Enabled = false;
m_callPlaced = false;
// Load a texture which we will use for our phone locations.
m_phoneTexture = SceneManager.Textures.FromUri(Path.Combine(Application.StartupPath, "Data/Markers/facility.png"));
// Create a ServiceProviderDisplay to be used for visualization.
m_display = new ServiceProviderDisplay();
// Create the font to use for labeling. We are using the same font as the control, only smaller.
m_labelFont = new Font(Font.FontFamily, 10, Font.Style, Font.Unit, Font.GdiCharSet, Font.GdiVerticalFont);
// The call will be taking place at a frequency of 1620.5e6.
m_intendedSignal = new IntendedSignalByFrequency(1620.5e6);
// Create the transmitting phone that we will use for our call and add it to the display.
m_transmittingPhone = CreateTransmittingPhone();
m_display.ServiceProviders.Add(m_transmittingPhone);
// Do the same for the receiving phone.
m_receivingPhone = CreateReceivingPhone();
m_display.ServiceProviders.Add(m_receivingPhone);
// Create an instance of IridiumSatellite for each of the three satellites we will
// be using and add them to the display.
// IridiumSatellite is a Platform-based class that adds default graphics and a
// Transceiver object for communication.
var analysisDate = new JulianDate(new GregorianDate(2011, 8, 2, 18, 1, 0));
var iridium49Tles = TwoLineElementSetHelper.GetTles("25108", analysisDate);
var iridium49 = new IridiumSatellite("Iridium 49", iridium49Tles, m_labelFont, m_intendedSignal.TargetFrequency);
m_display.ServiceProviders.Add(iridium49);
var iridium58Tles = TwoLineElementSetHelper.GetTles("25274", analysisDate);
var iridium58 = new IridiumSatellite("Iridium 58", iridium58Tles, m_labelFont, m_intendedSignal.TargetFrequency);
m_display.ServiceProviders.Add(iridium58);
var iridium4Tles = TwoLineElementSetHelper.GetTles("24796", analysisDate);
var iridium4 = new IridiumSatellite("Iridium 4", iridium4Tles, m_labelFont, m_intendedSignal.TargetFrequency);
m_display.ServiceProviders.Add(iridium4);
// If the TLE epoch is too far from our expected analysis date, then we are
// offline and loading cached data. Adjust the analysis date to match.
if (iridium49Tles[0].Epoch.DaysDifference(analysisDate) > 5)
{
analysisDate = iridium49Tles[0].Epoch;
}
// Iridium 49 will be the receiving end of our caller's "uplink".
// Modify the receiving antenna to be isotropic.
iridium49.Transceiver.InputAntennaGainPattern = new IsotropicGainPattern();
// Iridium 4 will be the transmitting end of our call receiver's "downlink".
// Modify the transmitting antenna to be isotropic.
iridium4.Transceiver.OutputAntennaGainPattern = new IsotropicGainPattern();
// Now that we've created all of our definition objects, we need to build
// the links between them that make up our communication system.
m_communicationSystem = new CommunicationSystem();
// Add a link for each hop in the chain.
// This could have been accomplished with a single call to AddChain.
// However, since we plan on further configuring each of the individual links
// generated for us, we add them one at a time.
var linkCollection = m_communicationSystem.Links;
m_callerToIridium49UpLink = linkCollection.Add("Uplink to Iridium 49", m_transmittingPhone, iridium49.Transceiver);
m_iridium49To58Crosslink = linkCollection.Add("Iridium 49 -> Iridium 58", iridium49.Transceiver, iridium58.Transceiver);
m_iridium58To4Crosslink = linkCollection.Add("Iridium 58 -> Iridium 4", iridium58.Transceiver, iridium4.Transceiver);
m_iridium4ToReceiverDownLink = linkCollection.Add("Downlink from Iridium 4", iridium4.Transceiver, m_receivingPhone);
// Now that we have the links, we can add an AccessConstraintsExtension to them so
// that each link is only valid if they have line of sight to each other.
var earth = CentralBodiesFacet.GetFromContext().Earth;
var callerToIridium49Constraint = new CentralBodyObstructionConstraint(m_callerToIridium49UpLink, earth);
m_callerToIridium49UpLink.Extensions.Add(new AccessConstraintsExtension(callerToIridium49Constraint));
var iridium49To58Constraint = new CentralBodyObstructionConstraint(m_iridium49To58Crosslink, earth);
m_iridium49To58Crosslink.Extensions.Add(new AccessConstraintsExtension(iridium49To58Constraint));
var iridium58To4Constraint = new CentralBodyObstructionConstraint(m_iridium58To4Crosslink, earth);
m_iridium58To4Crosslink.Extensions.Add(new AccessConstraintsExtension(iridium58To4Constraint));
var iridium4ToReceiverConstraint = new CentralBodyObstructionConstraint(m_iridium4ToReceiverDownLink, earth);
m_iridium4ToReceiverDownLink.Extensions.Add(new AccessConstraintsExtension(iridium4ToReceiverConstraint));
m_linkComboBox.DisplayMember = "Name";
m_linkComboBox.Items.Add(m_callerToIridium49UpLink);
m_linkComboBox.Items.Add(m_iridium49To58Crosslink);
m_linkComboBox.Items.Add(m_iridium58To4Crosslink);
m_linkComboBox.Items.Add(m_iridium4ToReceiverDownLink);
m_linkComboBox.SelectedItem = m_iridium4ToReceiverDownLink;
// Even though we haven't added any link graphics yet, we will later, so add them
// to the display now.
m_display.ServiceProviders.Add(m_callerToIridium49UpLink);
m_display.ServiceProviders.Add(m_iridium49To58Crosslink);
m_display.ServiceProviders.Add(m_iridium58To4Crosslink);
m_display.ServiceProviders.Add(m_iridium4ToReceiverDownLink);
// While we have set the location for our two phones and the satellite
// transceivers, what we haven't done is assign their orientations. This can be
// done automatically using the ConfigureAntennaTargeting method. Note that
// ConfigureAntennaTargeting is a best effort method and returns status information
// in regards to any problems it encounters. We don't check them here
// simply because we know it will succeed.
m_communicationSystem.ConfigureAntennaTargeting();
// Now that our initial configuration is complete, make sure we call ApplyChanges
// on the display so that the visualization is created.
m_display.ApplyChanges();
// Update the display to the current time.
m_display.Update(SceneManager.Time);
// Set up the animation time for our call.
var animation = new SimulationAnimation
{
StartTime = analysisDate,
EndTime = analysisDate.AddMinutes(15.0),
TimeStep = Duration.FromSeconds(0.5),
StartCycle = SimulationAnimationCycle.Loop,
EndCycle = SimulationAnimationCycle.Loop
};
SceneManager.Animation = animation;
// Subscribe to the time changed event so we can update our display.
SceneManager.TimeChanged += SceneManagerTimeChanged;
// Reset to the beginning.
animation.Reset();
// Configure the animation toolbar that overlays the 3D view.
OverlayToolbar animationToolbar = new OverlayToolbar(m_insight3D);
animationToolbar.Overlay.Origin = ScreenOverlayOrigin.BottomCenter;
// Zoom to a location that includes both the caller and receiver.
m_insight3D.Scene.Camera.ViewExtent(earth,
Trig.DegreesToRadians(39.6333), Trig.DegreesToRadians(11.1333),
Trig.DegreesToRadians(77.5833), Trig.DegreesToRadians(12.9833));
// Move the camera further back so that all satellites are visible.
m_insight3D.Scene.Camera.Distance += 5000000.0;
// Turn off lighting since it's the middle of the night and we want to be able to see everything,
m_insight3D.Scene.Lighting.Enabled = false;
// Create our link budget overlay helper which will display
// the complete link budget for a selected link on top of the display.
m_linkBudgetOverlayHelper = new LinkBudgetOverlayHelper(m_labelFont);
//Hide it until the call is initiated
m_linkBudgetOverlayHelper.Overlay.Display = false;
// Add the actual overlay to Insight3D
SceneManager.ScreenOverlays.Add(m_linkBudgetOverlayHelper.Overlay);
}
