11#include <tracking/trackFindingVXD/filterMap/filterFramework/SelectionVariable.h>
12#include <tracking/trackFindingVXD/filterMap/threeHitVariables/CircleCenterXY.h>
13#include <tracking/trackFindingVXD/filterMap/twoHitVariables/CosDirectionXY.h>
14#include <framework/geometry/B2Vector3.h>
17#define DELTASOVERZ_NAME DeltaSoverZ
27 template <
typename Po
intType >
36 static double value(
const PointType&
outerHit,
const PointType& centerHit,
const PointType& innerHit)
39 B2Vector3D circleCenter = CircleCenterXY<PointType>::value(
outerHit, centerHit, innerHit);
43 B2Vector3D points2centerHit((centerHit.X() - circleCenter.
X()),
44 (centerHit.Y() - circleCenter.
Y()),
45 (centerHit.Z() - circleCenter.
Z()));
46 B2Vector3D points2innerHit((innerHit.X() - circleCenter.
X()),
47 (innerHit.Y() - circleCenter.
Y()),
48 (innerHit.Z() - circleCenter.
Z()));
50 double alfaOC = acos(CosDirectionXY<B2Vector3D>::value(points2outerHit, points2centerHit));
51 double alfaCI = acos(CosDirectionXY<B2Vector3D>::value(points2centerHit, points2innerHit));
54 return (alfaOC *
double(centerHit.Z() - innerHit.Z())) - (alfaCI * double(
outerHit.Z() - centerHit.Z()));
DataType Z() const
access variable Z (= .at(2) without boundary check)
DataType X() const
access variable X (= .at(0) without boundary check)
DataType Y() const
access variable Y (= .at(1) without boundary check)
calculates the helixparameter describing the deviation in arc length per unit in z.
PUT_NAME_FUNCTION(DELTASOVERZ_NAME)
is replaced by "static const std:string name(void)" frunction which returns name of the Class
static double value(const PointType &outerHit, const PointType ¢erHit, const PointType &innerHit)
calculates the helixparameter describing the deviation in arc length per unit in z.
B2Vector3< double > B2Vector3D
typedef for common usage with double
B2Vector3D outerHit(0, 0, 0)
testing out of range behavior
Abstract base class for different kinds of events.