31 #ifndef __GyotoMetric_H_ 32 #define __GyotoMetric_H_ 72 gg -> plugins(plugins);
73 #ifdef GYOTO_USE_XERCES 74 if (fmp) gg -> setParameters(fmp);
98 std::vector<std::string> &plugin,
194 void
kind(const std::string);
208 const std::string
kind() const;
213 Generic(const int coordkind, const std::string &name);
221 void
mass(const double);
222 void
mass(const double, const std::string &unit);
229 double
mass(const std::string &unit) const;
237 double
unitLength(const std::string &unit) const ;
244 virtual double
getRmb() const;
251 virtual double
getRms() const;
265 virtual double
getPotential(double const pos[4], double l_cst) const;
292 virtual double
deltaMax(double const pos[8], double delta_max_external) const;
313 virtual double
SysPrimeToTdot(const double coord[4], const double v[3]) const;
337 double dir=1.) const ;
362 virtual void
nullifyCoord(double coord[8], double& tdot2) const;
374 virtual double
ScalarProd(const double pos[4],
375 const double u1[4], const double u2[4]) const;
389 double const pos[4], double fourvel[4],
390 double screen1[4], double screen2[4],
391 double screen3[4]) const ;
405 virtual double
gmunu(double const x[4], int mu, int nu) const;
416 virtual void
gmunu(double g[4][4], double const pos[4]) const;
428 const int alpha, const int mu, const int nu) const;
439 virtual int
christoffel(double dst[4][4][4], const double coord[4]) const ;
446 virtual int
myrk4(Worldline * line, const double coord[8], double h, double res[8]) const;
451 virtual int
myrk4_adaptive(Gyoto::Worldline* line, const double coord[8],
452 double lastnorm, double normref,
453 double coordnew[8], double h0, double& h1,
454 double deltamax=GYOTO_DEFAULT_DELTA_MAX) const;
471 virtual int
diff(const double y[8], double res[8]) const ;
477 double const coord[8]) const;
virtual Generic * clone() const
Virtual copy constructor.
#define GYOTO_OBJECT
Declare class::properties and class::getProperties()
Definition: GyotoObject.h:84
SmartPointer< Metric::Generic > Subcontractor_t(FactoryMessenger *, std::vector< std::string > const &)
A function to build instances of a specific Metric::Generic sub-class.
Definition: GyotoMetric.h:58
int coordkind_
Kind of coordinates (cartesian-like, spherical-like, unspecified)
Definition: GyotoMetric.h:165
Timelike or null geodesics.
Definition: GyotoWorldline.h:219
double mass() const
Get mass used in unitLength()
Astronomical objects (light emitters)
virtual int diff(const double y[8], double res[8]) const
F function such as dy/dtau=F(y,cst)
virtual void observerTetrad(std::string const obskind, double const pos[4], double fourvel[4], double screen1[4], double screen2[4], double screen3[4]) const
Computes the orthonormal local tetrad of the observer.
Register::Entry * Register_
The Metric register.
Tellers tell Listeners when they mutate.
double delta_min_
Minimum integration step for the adaptive integrator.
Definition: GyotoMetric.h:168
virtual int myrk4(Worldline *line, const double coord[8], double h, double res[8]) const
RK4 integrator.
Base class for metrics.
Definition: GyotoMetric.h:156
Reference-counting pointers.
bool keplerian() const
Get keplerian_.
int coordKind() const
Get coordinate kind.
double delta_max_
Maximum integration step for the adaptive integrator.
Definition: GyotoMetric.h:169
virtual void nullifyCoord(double coord[8]) const
Set tdot (coord[4]) such that coord is light-like. Everything is in geometrical units.
Factory / SmartPointee::Subcontractor_t interface.
Definition: GyotoFactoryMessenger.h:92
virtual int isStopCondition(double const coord[8]) const
Check whether integration should stop.
virtual double christoffel(const double coord[4], const int alpha, const int mu, const int nu) const
Chistoffel symbol.
virtual double getSpecificAngularMomentum(double rr) const
bool keplerian_
1 if circularVelocity should return the Newtonian Keplerian velocity, in r^-3/2
Definition: GyotoMetric.h:185
virtual double gmunu(double const x[4], int mu, int nu) const
Metric coefficients.
Gyoto ubiquitous macros and typedefs.
double deltaMaxOverR() const
Get delta_max_over_r_.
void initRegister()
Empty the Metric register.
double delta_max_over_r_
Numerical tuning parameter.
Definition: GyotoMetric.h:183
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...
Namespace for the Gyoto library.
Definition: GyotoAstrobj.h:43
virtual double ScalarProd(const double pos[4], const double u1[4], const double u2[4]) const
Scalar product.
Gyoto::Metric::Subcontractor_t * getSubcontractor(std::string name, std::vector< std::string > &plugin, int errmode=0)
Query the Metric register.
virtual void cartesianVelocity(double const coord[8], double vel[3])
Compute xprime, yprime and zprime from 8-coordinates.
Can be pointed to by a SmartPointer.
Definition: GyotoSmartPointer.h:80
const std::string kind() const
Get kind_.
double mass_
Mass yielding geometrical unit (in kg).
Definition: GyotoMetric.h:164
double unitLength() const
M * G / c^2, M is in kg, unitLength in meters.
Object with properties.
Definition: GyotoObject.h:151
virtual int myrk4_adaptive(Gyoto::Worldline *line, const double coord[8], double lastnorm, double normref, double coordnew[8], double h0, double &h1, double deltamax=GYOTO_DEFAULT_DELTA_MAX) const
RK4 integrator with adaptive step.
virtual void setParticleProperties(Gyoto::Worldline *line, double const coord[8]) const
Set Metric-specific constants of motion. Used e.g. in KerrBL.
SmartPointer< Metric::Generic > Subcontractor(FactoryMessenger *fmp, std::vector< std::string > const &plugins)
Subcontractor template.
Definition: GyotoMetric.h:70
virtual double getPotential(double const pos[4], double l_cst) const
Listen to me and I'll warn you when I change.
Definition: GyotoHooks.h:82
virtual void circularVelocity(double const pos[4], double vel[4], double dir=1.) const
Yield circular velocity at a given position.
virtual double getRms() const
virtual double getRmb() const
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:94