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#ifndef Geometry_CommonTopologies_StripTopology_H
#define Geometry_CommonTopologies_StripTopology_H
#include "Geometry/CommonTopologies/interface/Topology.h"
/** Interface for all strip topologies.
* Extends the Topology interface with methods relevant for
* strip or wire detectors.
*/
class StripTopology : public Topology {
public:
~StripTopology() override {}
// GF: I hate the stupid hiding feature of C++, see
// http://www.parashift.com/c%2B%2B-faq-lite/strange-inheritance.html#faq-23.9
using Topology::localPosition;
virtual LocalPoint localPosition(float strip) const = 0;
/// conversion taking also the predicted track state
virtual LocalPoint localPosition(float strip, const Topology::LocalTrackPred& /*trkPred*/) const {
return localPosition(strip);
}
virtual LocalError localError(float strip, float stripErr2) const = 0;
/// conversion taking also the angle from the predicted track state
virtual LocalError localError(float strip, float stripErr2, const Topology::LocalTrackPred& /*trkPred*/) const {
return localError(strip, stripErr2);
}
using Topology::localError; // see comment about hiding an C++ 'using' feature above
virtual float strip(const LocalPoint&) const = 0;
/// conversion taking also the angle from the track state (LocalTrajectoryParameters)
virtual float strip(const LocalPoint& lp, const Topology::LocalTrackAngles& /*ltp*/) const { return strip(lp); }
// the number of strip span by the segment between the two points..
virtual float coveredStrips(const LocalPoint& lp1, const LocalPoint& lp2) const {
return (measurementPosition(lp1) - measurementPosition(lp2)).x();
}
virtual float pitch() const = 0;
virtual float localPitch(const LocalPoint&) const = 0;
/// conversion taking also the angle from the track state (LocalTrajectoryParameters)
virtual float localPitch(const LocalPoint& lp, const Topology::LocalTrackAngles& /*ltp*/) const {
return localPitch(lp);
}
virtual float stripAngle(float strip) const = 0;
virtual int nstrips() const = 0;
virtual float stripLength() const = 0;
virtual float localStripLength(const LocalPoint& aLP) const = 0;
/// conversion taking also the angle from the track state (LocalTrajectoryParameters)
virtual float localStripLength(const LocalPoint& lp, const Topology::LocalTrackAngles& /*ltp*/) const {
return localStripLength(lp);
}
};
#endif
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