template<class T>
class ROOT::Math::Polar2D< T >
Class describing a polar 2D coordinate system based on r and phi Phi is restricted to be in the range [-PI,PI).
- See also
- GenVector
Class describing a 2D Polar coordinate system
(r, phi coordinates)
Definition at line 46 of file Polar2D.h.
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| constexpr | Polar2D () noexcept=default |
| | Default constructor with r=1,phi=0.
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| template<class CoordSystem> |
| constexpr | Polar2D (const CoordSystem &v) |
| | Construct from any Vector or coordinate system implementing R() and Phi().
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| | Polar2D (T r, T phi) |
| | Construct from the polar coordinates: r and phi.
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| void | GetCoordinates (Scalar &r, Scalar &phi) const |
| | get internal data into 2 Scalar numbers
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| Scalar | Mag2 () const |
| void | Negate () |
| | negate the vector
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| bool | operator!= (const Polar2D &rhs) const |
| template<class CoordSystem> |
| Polar2D & | operator= (const CoordSystem &c) |
| | generic assignment operator from any coordinate system
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| bool | operator== (const Polar2D &rhs) const |
| | Exact equality.
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| Scalar | Phi () const |
| Scalar | R () const |
| void | Rotate (T angle) |
| | rotate the vector
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| void | Scale (T a) |
| | scale by a scalar quantity - for polar coordinates r changes
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| void | SetCoordinates (Scalar r, Scalar phi) |
| | Set internal data based on 2 Scalar numbers.
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| void | SetPhi (const T &phi) |
| | set the phi coordinate value keeping r constant
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| void | SetR (const T &r) |
| | set the r coordinate value keeping phi constant
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| void | SetXY (Scalar a, Scalar b) |
| | set all values using cartesian coordinates
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| Scalar | X () const |
| T | x () const |
| Scalar | Y () const |
| T | y () const |
