iIndex is the index where iData is found in the container from which it came iItemHolder is the object to which you add your own objects which inherit from TEveElement
Reimplemented from FWSimpleProxyBuilderTemplate< CSCSegment >.
Definition at line 41 of file FWCSCSegmentProxyBuilder.cc.
References FWGeometry::contains(), CSCSegment::cscDetId(), dir, fwLog, relativeConstraints::geom, FWGeometry::getEveShape(), FWEventItem::getGeom(), FWProxyBuilderBase::item(), FWViewType::kAll3DBits, FWViewType::kAllRPZBits, fwlog::kError, CSCSegment::localDirection(), CSCSegment::localPosition(), FWGeometry::localToGlobal(), pos, DetId::rawId(), REGISTER_FWPROXYBUILDER, FWProxyBuilderBase::setupAddElement(), csvLumiCalc::unit, Vector3DBase< T, FrameTag >::unit(), PV3DBase< T, PVType, FrameType >::x(), PV3DBase< T, PVType, FrameType >::y(), and PV3DBase< T, PVType, FrameType >::z().
{
const FWGeometry *geom = item()->getGeom();
unsigned int rawid = iData.cscDetId().rawId();
if( ! geom->contains( rawid ))
{
fwLog(fwlog::kError) << "failed to get geometry of CSC chamber with rawid: "
<< rawid << std::endl;
return;
}
TEveStraightLineSet* segmentSet = new TEveStraightLineSet();
segmentSet->SetLineWidth( 3 );
setupAddElement( segmentSet, &oItemHolder );
TEveGeoShape* shape = item()->getGeom()->getEveShape( rawid );
if( TGeoTrap* trap = dynamic_cast<TGeoTrap*>( shape->GetShape()))
{
LocalPoint pos = iData.localPosition();
LocalVector dir = iData.localDirection();
LocalVector unit = dir.unit();
Double_t localPosition[3] = { pos.x(), pos.y(), pos.z() };
Double_t localDirectionIn[3] = { dir.x(), dir.y(), dir.z() };
Double_t localDirectionOut[3] = { -dir.x(), -dir.y(), -dir.z() };
float distIn = trap->DistFromInside( localPosition, localDirectionIn );
float distOut = trap->DistFromInside( localPosition, localDirectionOut );
LocalVector vIn = unit * distIn;
LocalVector vOut = -unit * distOut;
float localSegmentInnerPoint[3] = { static_cast<float>(localPosition[0] + vIn.x()),
static_cast<float>(localPosition[1] + vIn.y()),
static_cast<float>(localPosition[2] + vIn.z())
};
float localSegmentOuterPoint[3] = { static_cast<float>(localPosition[0] + vOut.x()),
static_cast<float>(localPosition[1] + vOut.y()),
static_cast<float>(localPosition[2] + vOut.z())
};
float globalSegmentInnerPoint[3];
float globalSegmentOuterPoint[3];
geom->localToGlobal( rawid, localSegmentInnerPoint, globalSegmentInnerPoint, localSegmentOuterPoint, globalSegmentOuterPoint );
segmentSet->AddLine( globalSegmentInnerPoint[0], globalSegmentInnerPoint[1], globalSegmentInnerPoint[2],
globalSegmentOuterPoint[0], globalSegmentOuterPoint[1], globalSegmentOuterPoint[2] );
}
}