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#include "DataFormats/GeometrySurface/interface/BoundPlane.h"
#include "DataFormats/GeometrySurface/interface/Bounds.h"
#include "Geometry/TrackerGeometryBuilder/interface/ProxyStripTopology.h"
#include "Geometry/TrackerGeometryBuilder/interface/StripGeomDetType.h"
////////////////////////////////////////////////////////////////////////////////
ProxyStripTopology::ProxyStripTopology(StripGeomDetType const *type, BoundPlane *bp)
: theType(type), theLength(bp->bounds().length()), theWidth(bp->bounds().width()) {}
////////////////////////////////////////////////////////////////////////////////
/* inlined
LocalPoint ProxyStripTopology::localPosition( const MeasurementPoint& mp ) const
{
return specificTopology().localPosition(mp);
// FIXME: Better this way? Well, but posOrig will not contain useful y!
// if (!this->surfaceDeformation()) return specificTopology().localPosition(mp);
//
// // correct with position information from input and zero track angles
// const LocalPoint posOrig(specificTopology().localPosition(mp));
// return this->localPosition(mp, Topology::LocalTrackPred(posOrig.x(), posOrig.y(), 0., 0.));
}
*/
////////////////////////////////////////////////////////////////////////////////
LocalPoint ProxyStripTopology::localPosition(const MeasurementPoint &mp,
const Topology::LocalTrackPred &trkPred) const {
if (!this->surfaceDeformation())
return specificTopology().localPosition(mp);
// add correction from SurfaceDeformation
const LocalPoint posOld(specificTopology().localPosition(mp)); // 'original position'
const SurfaceDeformation::Local2DVector corr(this->positionCorrection(trkPred));
return LocalPoint(posOld.x() + corr.x(), posOld.y() + corr.y(), posOld.z());
}
////////////////////////////////////////////////////////////////////////////////
/* inlined
LocalPoint ProxyStripTopology::localPosition( float strip ) const
{
return specificTopology().localPosition(strip);
// FIXME: Better this way? Well, but posOrig will not contain useful y!
// if (!this->surfaceDeformation()) return specificTopology().localPosition(strip);
// // correct with position information from input and zero track angles
// const LocalPoint posOrig(specificTopology().localPosition(strip));
// return this->localPosition(mp, Topology::LocalTrackPred(posOrig.x(), posOrig.y(), 0., 0.));
}
*/
////////////////////////////////////////////////////////////////////////////////
LocalPoint ProxyStripTopology::localPosition(float strip, const Topology::LocalTrackPred &trkPred) const {
if (!this->surfaceDeformation())
return specificTopology().localPosition(strip);
// add correction from SurfaceDeformation
const LocalPoint posOld(specificTopology().localPosition(strip));
const SurfaceDeformation::Local2DVector corr(this->positionCorrection(trkPred));
return LocalPoint(posOld.x() + corr.x(), posOld.y() + corr.y(), posOld.z());
}
////////////////////////////////////////////////////////////////////////////////
LocalError ProxyStripTopology::localError(float strip, float stripErr2, const Topology::LocalTrackPred &trkPred) const {
// 'strip' is from measurement frame and the topology knows to
// calculate the cartesian error.
// But assuming no uncertainty on the SurfaceDeformation variables,
// the errors do not change from a simple shift to compensate
// that the track 'sees' the surface at another place than it thinks...
// In case of TwoBowedSurfacesDeformation one could add corrections here due to
// relative rotations of the sensors...
return specificTopology().localError(strip, stripErr2);
}
////////////////////////////////////////////////////////////////////////////////
LocalError ProxyStripTopology::localError(const MeasurementPoint &mp,
const MeasurementError &me,
const Topology::LocalTrackPred &trkPred) const {
// See comment in localError(float strip, float stripErr2,
// const Topology::LocalTrackPred &trkPred)!
return specificTopology().localError(mp, me);
}
////////////////////////////////////////////////////////////////////////////////
MeasurementPoint ProxyStripTopology::measurementPosition(const LocalPoint &lp,
const Topology::LocalTrackAngles &dir) const {
if (!this->surfaceDeformation())
return specificTopology().measurementPosition(lp);
// subtract correction from SurfaceDeformation
const SurfaceDeformation::Local2DVector corr(this->positionCorrection(lp, dir));
const LocalPoint posOrig(lp.x() - corr.x(), lp.y() - corr.y(), lp.z());
return specificTopology().measurementPosition(posOrig);
}
////////////////////////////////////////////////////////////////////////////////
MeasurementError ProxyStripTopology::measurementError(const LocalPoint &lp,
const LocalError &le,
const Topology::LocalTrackAngles &dir) const {
if (!this->surfaceDeformation())
return specificTopology().measurementError(lp, le);
// assuming 'lp' comes from a track prediction
// (i.e. where the track thinks it hits the surface)
// we need to subtract correction from SurfaceDeformation
const SurfaceDeformation::Local2DVector corr(this->positionCorrection(lp, dir));
const LocalPoint posOrig(lp.x() - corr.x(), lp.y() - corr.y(), lp.z());
return specificTopology().measurementError(posOrig, le);
}
////////////////////////////////////////////////////////////////////////////////
int ProxyStripTopology::channel(const LocalPoint &lp, const Topology::LocalTrackAngles &dir) const {
if (!this->surfaceDeformation())
return specificTopology().channel(lp);
// subtract correction from SurfaceDeformation
const SurfaceDeformation::Local2DVector corr(this->positionCorrection(lp, dir));
const LocalPoint posOrig(lp.x() - corr.x(), lp.y() - corr.y(), lp.z());
return specificTopology().channel(posOrig);
}
////////////////////////////////////////////////////////////////////////////////
float ProxyStripTopology::strip(const LocalPoint &lp, const Topology::LocalTrackAngles &dir) const {
if (!this->surfaceDeformation())
return specificTopology().strip(lp);
// subtract correction from SurfaceDeformation
const SurfaceDeformation::Local2DVector corr(this->positionCorrection(lp, dir));
const LocalPoint posOrig(lp.x() - corr.x(), lp.y() - corr.y(), lp.z());
return specificTopology().strip(posOrig);
}
////////////////////////////////////////////////////////////////////////////////
float ProxyStripTopology::localPitch(const LocalPoint &lp, const Topology::LocalTrackAngles &dir) const {
if (!this->surfaceDeformation())
return specificTopology().localPitch(lp);
// subtract correction from SurfaceDeformation
const SurfaceDeformation::Local2DVector corr(this->positionCorrection(lp, dir));
const LocalPoint posOrig(lp.x() - corr.x(), lp.y() - corr.y(), lp.z());
return specificTopology().localPitch(posOrig);
}
////////////////////////////////////////////////////////////////////////////////
float ProxyStripTopology::localStripLength(const LocalPoint &lp, const Topology::LocalTrackAngles &dir) const {
if (!this->surfaceDeformation())
return specificTopology().localStripLength(lp);
// subtract correction from SurfaceDeformation
const SurfaceDeformation::Local2DVector corr(this->positionCorrection(lp, dir));
const LocalPoint posOrig(lp.x() - corr.x(), lp.y() - corr.y(), lp.z());
return specificTopology().localStripLength(posOrig);
}
////////////////////////////////////////////////////////////////////////////////
void ProxyStripTopology::setSurfaceDeformation(const SurfaceDeformation *deformation) {
theSurfaceDeformation.reset(deformation);
}
////////////////////////////////////////////////////////////////////////////////
SurfaceDeformation::Local2DVector ProxyStripTopology::positionCorrection(const LocalPoint &pos,
const Topology::LocalTrackAngles &dir) const {
const SurfaceDeformation::Local2DPoint pos2D(pos.x(), pos.y()); // change precision and dimension
return this->surfaceDeformation()->positionCorrection(pos2D, dir, theLength, theWidth);
}
////////////////////////////////////////////////////////////////////////////////
SurfaceDeformation::Local2DVector ProxyStripTopology::positionCorrection(const Topology::LocalTrackPred &trk) const {
return this->surfaceDeformation()->positionCorrection(trk.point(), trk.angles(), theLength, theWidth);
}
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