29 #ifndef __GyotoMetric_H_
30 #define __GyotoMetric_H_
68 gg -> setParameters(fmp);
154 const std::string
getKind() const;
155 void
setKind(const std::string);
163 Generic(const double mass, const int coordkind);
173 void
setMass(const double, const std::string &unit);
181 double
getMass(const std::string &unit) const;
189 double
unitLength(const std::string &unit) const ;
200 virtual double
SysPrimeToTdot(const double coord[4], const double v[3]) const;
212 double dir=1.) const ;
237 virtual void
nullifyCoord(double coord[8], double& tdot2) const;
249 virtual double
ScalarProd(const double pos[4],
250 const double u1[4], const double u2[4]) const;
252 virtual double
Norm3D(double* pos) const;
282 #ifdef GYOTO_USE_XERCES
329 virtual double
gmunu(const double * x,
330 int mu, int nu) const
341 const int alpha, const int mu, const int nu) const = 0;
346 virtual int
myrk4(Worldline * line, const double coord[8], double h, double res[8]) const;
351 virtual int
myrk4_adaptive(Gyoto::Worldline* line, const double coord[8],
352 double lastnorm, double normref,
353 double coordnew[8], double h0, double& h1) const;
370 virtual int
diff(const double y[8], double res[8]) const ;
376 const double * coord) const;
const std::string getKind() const
Get kind_.
double getMass() const
Get mass used in unitLength()
virtual void nullifyCoord(double coord[8]) const
Set tdot (coord[4]) such that coord is light-like. Everything is in geometrical units.
int coordkind_
Kind of coordinates (cartesian-like, spherical-like, unspecified)
Definition: GyotoMetric.h:151
virtual void circularVelocity(double const pos[4], double vel[4], double dir=1.) const
Yield circular valocity at a given position (projected on equatorial plane).
Astronomical objects (light emitters)
int getCoordKind() const
Get coordinate kind.
Register::Entry * Register_
The Metric register.
virtual Generic * clone() const
Virtual copy constructor.
Tellers tell Listeners when they mutate.
virtual void setParticleProperties(Gyoto::Worldline *line, const double *coord) const
Set Metric-specific constants of motion. Used e.g. in KerrBL.
Base class for metrics.
Definition: GyotoMetric.h:142
Reference-counting pointers.
Gyoto::Metric::Subcontractor_t * getSubcontractor(std::string name, int errmode=0)
Query the Metric register.
Factory / SmartPointee::Subcontractor_t interface.
Definition: GyotoFactoryMessenger.h:91
virtual double ScalarProd(const double pos[4], const double u1[4], const double u2[4]) const
Scalar product.
double unitLength() const
M * G / c^2, M is in kg, unitLength in meters.
virtual void fillElement(FactoryMessenger *fmp)
called from Factory
virtual double christoffel(const double coord[8], const int alpha, const int mu, const int nu) const =0
Chistoffel symbol.
void setCoordKind(int coordkind)
Set coordinate kind.
std::string kind_
Metric kind name (e.g. "KerrBL")
Definition: GyotoMetric.h:149
SmartPointer< Metric::Generic > Subcontractor_t(FactoryMessenger *)
A function to build instances of a specific Metric::Generic sub-class.
Definition: GyotoMetric.h:54
virtual int isStopCondition(double const *const coord) const
Check whether integration should stop.
void initRegister()
Empty the Metric register.
virtual int myrk4_adaptive(Gyoto::Worldline *line, const double coord[8], double lastnorm, double normref, double coordnew[8], double h0, double &h1) const
RK4 integrator with adaptive step.
virtual void cartesianVelocity(double const coord[8], double vel[3])
Compute xprime, yprime and zprime from 8-coordinates.
SmartPointer< Metric::Generic > Subcontractor(FactoryMessenger *fmp)
Subcontractor template.
Definition: GyotoMetric.h:66
void setKind(const std::string)
Set kind_.
Can be pointed to by a SmartPointer.
Definition: GyotoSmartPointer.h:79
virtual double Norm3D(double *pos) const
not clear
void setMass(const double)
Set mass used in unitLength()
double mass_
Mass yielding geometrical unit (in kg).
Definition: GyotoMetric.h:150
virtual double SysPrimeToTdot(const double coord[4], const double v[3]) const
Compute tdot as a function of dr/dt, dtheta/dt and dphi/dt. Everything is in geometrical units...
virtual int myrk4(Worldline *line, const double coord[8], double h, double res[8]) const
RK4 integrator.
virtual void setParameter(std::string name, std::string content, std::string unit)
Set parameter by name.
virtual void setParameters(Gyoto::FactoryMessenger *fmp)
Main loop in Subcontractor_t function.
void processGenericParameters(Gyoto::FactoryMessenger *fmp)
Process generic XML parameters.
Listen to me and I'll warn you when I change.
Definition: GyotoHooks.h:82
virtual double gmunu(const double *x, int mu, int nu) const =0
Metric coefficients.
virtual int diff(const double y[8], double res[8]) const
F function such as dy/dtau=F(y,cst)
void Register(std::string kind, Gyoto::Metric::Subcontractor_t *scp)
Make a Metric kind known to the Factory.
Entry in a register (or a full register)
Definition: GyotoRegister.h:95