/// <summary>
/// "Places" the call by enabling the display of
/// the link budget results as well as showing a line
/// indicating if the link is currently valid. If links
/// signal to noise ratio gets to high, it becomes invalid
/// and the line disappears.
/// </summary>
private void OnPlaceCallClick(object sender, EventArgs e)
{
m_callPlaced = true;
m_placeCallButton.Enabled = false;
m_hangUpButton.Enabled = true;
m_transmitPowerTrackBar.Enabled = false;
m_linkBudgetOverlayHelper.Overlay.Display = true;
// We want to draw link lines representing the link, but we don't want to draw the
// lines unless the signal quality is acceptable. We already configured the
// link itself to take the curvature of the earth into account to ensure line
// of sight for our assets. The next step is to choice an acceptable signal
// quality. Below we create an AccessQuery that is only valid when the
// carrier to noise ratio of the final downlink is over -16 dB.
// We then pass this query to UpdateLinkGraphics which will use it to
// configure the Display property of the link graphics. Finally, we call
// ApplyChanges to update the display.
var linkBudgetScalars = m_communicationSystem.GetLinkBudgetScalars(m_iridium4ToReceiverDownLink, m_intendedSignal);
AccessQuery query = new ScalarConstraint(linkBudgetScalars.CarrierToNoise, CommunicationAnalysis.FromDecibels(-16.0));
UpdateLinkGraphics(m_callerToIridium49UpLink, query);
UpdateLinkGraphics(m_iridium4ToReceiverDownLink, query);
UpdateLinkGraphics(m_iridium49To58Crosslink, query);
UpdateLinkGraphics(m_iridium58To4Crosslink, query);
m_display.ApplyChanges();
// Manually fire the combo box change event in order to
// properly initialize the link budget overlay.
OnLinkComboBoxSelectedIndexChanged(this, EventArgs.Empty);
// Start animation if it's not going.
if (!SceneManager.Animation.IsAnimating)
{
SceneManager.Animation.PlayForward();
}
}
public abstract IEnumerable<SolverNode> SuccessfulMatch(SolverNode current, ScalarConstraint constraint);
