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Code Issues Releases Wiki Activity

Enable setting of mobility precision and add test

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This commit is contained in:
Tim Schubert 2020-08-15 20:49:29 +02:00
parent 6fdfc6b2a8
commit 4cad8458ab
4 changed files with 115 additions and 10 deletions
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44
model/leo-circular-orbit-mobility-model.cc
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@ -19,6 +19,7 @@ LeoCircularOrbitMobilityModel::GetTypeId ()
static TypeId tid = TypeId ("ns3::LeoCircularOrbitMobilityModel")
.SetParent<MobilityModel> ()
.SetGroupName ("Leo")
.AddConstructor<LeoCircularOrbitMobilityModel> ()
.AddAttribute ("Altitude",
"A height from the earth's surface in meters",
DoubleValue (1000.0),
@ -32,11 +33,16 @@ LeoCircularOrbitMobilityModel::GetTypeId ()
MakeDoubleAccessor (&LeoCircularOrbitMobilityModel::SetInclination,
&LeoCircularOrbitMobilityModel::GetInclination),
MakeDoubleChecker<double> ())
.AddAttribute ("Precision",
"The time precision with which to compute position updates. 0 means arbitrary precision",
TimeValue (Seconds (1)),
MakeTimeAccessor (&LeoCircularOrbitMobilityModel::m_precision),
MakeTimeChecker ())
;
return tid;
}
LeoCircularOrbitMobilityModel::LeoCircularOrbitMobilityModel() : MobilityModel (), m_latitude (0.0), m_offset (0.0)
LeoCircularOrbitMobilityModel::LeoCircularOrbitMobilityModel() : MobilityModel (), m_latitude (0.0), m_offset (0.0), m_position ()
{
NS_LOG_FUNCTION_NOARGS ();
}
@ -107,13 +113,39 @@ LeoCircularOrbitMobilityModel::RotatePlane (double a, const Vector3D &x) const
}
Vector
LeoCircularOrbitMobilityModel::DoGetPosition (void) const
LeoCircularOrbitMobilityModel::CalcPosition (Time t) const
{
Vector3D x = Product (m_orbitHeight, Vector3D (cos (m_inclination) * cos (m_latitude),
cos (m_inclination) * sin (m_latitude),
sin (m_inclination)));
return RotatePlane (GetProgress (Simulator::Now ()), x);
return RotatePlane (GetProgress (t), x);
}
Vector LeoCircularOrbitMobilityModel::Update ()
{
m_plane = PlaneNorm ();
m_position = CalcPosition (Simulator::Now ());
NotifyCourseChange ();
if (m_precision > Seconds (0))
{
Simulator::Schedule (m_precision, &LeoCircularOrbitMobilityModel::Update, this);
}
return m_position;
}
Vector
LeoCircularOrbitMobilityModel::DoGetPosition (void) const
{
if (m_precision == Time (0))
{
// Notice: NotifyCourseChange () will not be called
return CalcPosition (Simulator::Now ());
}
return m_position;
}
void
@ -125,7 +157,7 @@ LeoCircularOrbitMobilityModel::DoSetPosition (const Vector &position)
// SetPostion
m_latitude = position.x;
m_offset = position.y;
m_plane = PlaneNorm ();
Update ();
}
double LeoCircularOrbitMobilityModel::GetAltitude () const
@ -136,7 +168,7 @@ double LeoCircularOrbitMobilityModel::GetAltitude () const
void LeoCircularOrbitMobilityModel::SetAltitude (double h)
{
m_orbitHeight = LEO_EARTH_RAD_M + h;
m_plane = PlaneNorm ();
Update ();
}
double LeoCircularOrbitMobilityModel::GetInclination () const
@ -148,7 +180,7 @@ void LeoCircularOrbitMobilityModel::SetInclination (double incl)
{
NS_ASSERT_MSG (incl != 0.0, "Plane must not be orthogonal to axis");
m_inclination = (incl / 180) * M_PI;
m_plane = PlaneNorm ();
Update ();
}
};