Belle II Software  release-08-01-10
SZLine.cc
1 /**************************************************************************
2  * basf2 (Belle II Analysis Software Framework) *
3  * Author: The Belle II Collaboration *
4  * *
5  * See git log for contributors and copyright holders. *
6  * This file is licensed under LGPL-3.0, see LICENSE.md. *
7  **************************************************************************/
8 
9 #include <tracking/trackFindingCDC/geometry/SZLine.h>
10 
11 using namespace Belle2;
12 using namespace TrackFindingCDC;
13 
14 Vector2D SZLine::intersection(const SZLine& szLine) const
15 {
16  const double s = -(z0() - szLine.z0()) / (tanLambda() - szLine.tanLambda());
17  return Vector2D(s, map(s));
18 }
A line in the sz space.
Definition: SZLine.h:26
double z0() const
Getter for the z0 parameter.
Definition: SZLine.h:82
Vector2D intersection(const SZLine &szLine) const
Calculates the intersection point of two line. Infinity for parallels.
Definition: SZLine.cc:14
double tanLambda() const
Getter for the tan lambda parameter.
Definition: SZLine.h:52
double map(double s) const
Maps the two dimensional arc length s to z.
Definition: SZLine.h:116
A two dimensional vector which is equipped with functions for correct handeling of orientation relat...
Definition: Vector2D.h:35
Abstract base class for different kinds of events.