Newer
Older
#include "DD4hep/objects/DetectorInterna.h"
#include "DDRec/MaterialManager.h"
#include <exception>
#include <memory>
#include "TGeoMatrix.h"
#include "TGeoShape.h"
#include "TRotation.h"
namespace DD4hep {
namespace DDRec {
using namespace Geometry ;
//--------------------------------------------------------
// /** Copy c'tor - copies handle */
// SurfaceMaterial::SurfaceMaterial( Geometry::Material m ) : Geometry::Material( m ) {}
// SurfaceMaterial::SurfaceMaterial( const SurfaceMaterial& sm ) : Geometry::Material( sm ) {
// // (*this).Geometry::Material::m_element = sm.Geometry::Material::m_element ;
// }
// SurfaceMaterial:: ~SurfaceMaterial() {}
//--------------------------------------------------------
SurfaceData::SurfaceData() : _type( SurfaceType() ) ,
_u( Vector3D() ) ,
_v( Vector3D() ) ,
_n( Vector3D() ) ,
_o( Vector3D() ) ,
_th_i( 0. ),
_th_o( 0. ),
_innerMat( MaterialData() ),
_outerMat( MaterialData() ),
_vol()
{
}
SurfaceData::SurfaceData( SurfaceType type , double thickness_inner ,double thickness_outer,
Vector3D u ,Vector3D v ,Vector3D n ,Vector3D o, Volume vol ) : _type(type ) ,
_u( u ) ,
_v( v ) ,
_n( n ) ,
_o( o ),
_th_i( thickness_inner ),
_th_o( thickness_outer ),
_innerMat( MaterialData() ),
_outerMat( MaterialData() ),
_vol(vol)
{
VolSurface::VolSurface( Volume vol, SurfaceType type, double thickness_inner ,double thickness_outer,
Vector3D u ,Vector3D v ,Vector3D n ,Vector3D o ) :
Geometry::Handle< SurfaceData >( new SurfaceData(type, thickness_inner ,thickness_outer, u,v,n,o, vol) ) {
ISurface::Vector2D VolSurface::globalToLocal( const Vector3D& point) const {
Vector3D p = point - origin() ;
// create new orthogonal unit vectors
// FIXME: these vectors should be cached really ...
double uv = u() * v() ;
Vector3D uprime = ( u() - uv * v() ).unit() ;
Vector3D vprime = ( v() - uv * u() ).unit() ;
double uup = u() * uprime ;
double vvp = v() * vprime ;
return ISurface::Vector2D( p*uprime / uup , p*vprime / vvp ) ;
}
Vector3D VolSurface::localToGlobal( const ISurface::Vector2D& point) const {
Vector3D g = origin() + point[0] * u() + point[1] * v() ;
return g ;
}
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
double VolSurface::length_along_u() const {
const DDSurfaces::Vector3D& o = this->origin() ;
const DDSurfaces::Vector3D& u = this->u( o ) ;
DDSurfaces::Vector3D um = -1. * u ;
double dist_p = volume()->GetShape()->DistFromInside( const_cast<double*> ( o.const_array() ) ,
const_cast<double*> ( u.const_array() ) ) ;
double dist_m = volume()->GetShape()->DistFromInside( const_cast<double*> ( o.const_array() ) ,
const_cast<double*> ( um.array() ) ) ;
return dist_p + dist_m ;
}
double VolSurface::length_along_v() const {
const DDSurfaces::Vector3D& o = this->origin() ;
const DDSurfaces::Vector3D& v = this->v( o ) ;
DDSurfaces::Vector3D vm = -1. * v ;
double dist_p = volume()->GetShape()->DistFromInside( const_cast<double*> ( o.const_array() ) ,
const_cast<double*> ( v.const_array() ) ) ;
double dist_m = volume()->GetShape()->DistFromInside( const_cast<double*> ( o.const_array() ) ,
const_cast<double*> ( vm.array() ) ) ;
return dist_p + dist_m ;
}
/** Distance to surface */
double VolPlane::distance(const Vector3D& point ) const {
return ( point - origin() ) * normal() ;
}
/// Checks if the given point lies within the surface
bool VolPlane::insideBounds(const Vector3D& point, double epsilon) const {
double dist = std::abs ( distance( point ) ) ;
bool inShape = volume()->GetShape()->Contains( point.const_array() ) ;
std::cout << " ** Surface::insideBound( " << point << " ) - distance = " << dist
<< " origin = " << origin() << " normal = " << normal()
<< " p * n = " << point * normal()
<< " isInShape : " << inShape << std::endl ;
return dist < epsilon && inShape ;
#else
//fixme: older versions of ROOT (~<5.34.10 ) take a non const pointer as argument - therefore use a const cast here for the time being ...
return ( std::abs ( distance( point ) ) < epsilon ) && volume()->GetShape()->Contains( const_cast<double*> (point.const_array() ) ) ;
//=============================================================================================================
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
VolCylinder::VolCylinder( Geometry::Volume vol, SurfaceType type, double thickness_inner ,double thickness_outer, Vector3D o ) :
VolSurface( vol, type, thickness_inner, thickness_outer, Vector3D() , Vector3D() , Vector3D() , o ) {
Vector3D v( 0., 0., 1. ) ;
Vector3D o_rphi( o.x() , o.y() , 0. ) ;
Vector3D n = o_rphi.unit() ;
Vector3D u = v.cross( n ) ;
setU( u ) ;
setV( v ) ;
setNormal( n ) ;
object<SurfaceData>()._type.setProperty( SurfaceType::Plane , false ) ;
object<SurfaceData>()._type.setProperty( SurfaceType::Cylinder , true ) ;
object<SurfaceData>()._type.checkParallelToZ( *this ) ;
object<SurfaceData>()._type.checkOrthogonalToZ( *this ) ;
}
Vector3D VolCylinder::v( const Vector3D& point ) const {
// for now we just have v const as (0,0,1)
point.x() ; return VolSurface::v() ;
Vector3D n( 1. , point.phi() , 0. , Vector3D::cylindrical ) ;
// std::cout << " u : " << u()
// << " n : " << n
// << " u X n :" << u().cross( n ) ;
}
Vector3D VolCylinder::normal(const Vector3D& point ) const {
// normal is just given by phi of the point
return Vector3D( 1. , point.phi() , 0. , Vector3D::cylindrical ) ;
}
ISurface::Vector2D VolCylinder::globalToLocal( const Vector3D& point) const {
// cylinder is parallel to v here so u is Z and v is r *Phi
double phi = point.phi() - origin().phi() ;
while( phi < -M_PI ) phi += 2.*M_PI ;
while( phi > M_PI ) phi -= 2.*M_PI ;
return ISurface::Vector2D( origin().rho() * phi, point.z() - origin().z() ) ;
}
Vector3D VolCylinder::localToGlobal( const ISurface::Vector2D& point) const {
double z = point.v() + origin().z() ;
double phi = point.u() / origin().rho() + origin().phi() ;
while( phi < -M_PI ) phi += 2.*M_PI ;
while( phi > M_PI ) phi -= 2.*M_PI ;
return Vector3D( origin().rho() , phi, z , Vector3D::cylindrical ) ;
}
/** Distance to surface */
double VolCylinder::distance(const Vector3D& point ) const {
return point.rho() - origin().rho() ;
}
/// Checks if the given point lies within the surface
bool VolCylinder::insideBounds(const Vector3D& point, double epsilon) const {
double distR = std::abs( distance( point ) ) ;
bool inShapeT = volume()->GetShape()->Contains( const_cast<double*> ( point.const_array() ) ) ;
std::cout << " ** Surface::insideBound( " << point << " ) - distance = " << distR
<< " origin = " << origin()
<< " isInShape : " << inShapeT << std::endl ;
return ( std::abs ( distance( point ) ) < epsilon ) && volume()->GetShape()->Contains( const_cast<double*> (point.const_array()) ) ;
//================================================================================================================
VolSurfaceList* volSurfaceList( DetElement& det ) {
VolSurfaceList* list = 0 ;
try {
list = det.extension< VolSurfaceList >() ;
} catch(const std::runtime_error& e){
list = det.addExtension<VolSurfaceList >( new VolSurfaceList ) ;
}
return list ;
}
//======================================================================================================================
bool findVolume( PlacedVolume pv, Volume theVol, std::list< PlacedVolume >& volList ) {
volList.push_back( pv ) ;
// unsigned count = volList.size() ;
// for(unsigned i=0 ; i < count ; ++i) {
// std::cout << " **" ;
// }
// std::cout << " searching for volume: " << theVol.name() << " " << std::hex << theVol.ptr() << " <-> pv.volume : " << pv.name() << " " << pv.volume().ptr()
// << " pv.volume().ptr() == theVol.ptr() " << (pv.volume().ptr() == theVol.ptr() )
// << std::endl ;
if( pv.volume().ptr() == theVol.ptr() ) {
return true ;
} else {
//--------------------------------
const TGeoNode* node = pv.ptr();
if ( !node ) {
// std::cout << " *** findVolume: Invalid placement: - node pointer Null for volume: " << pv.name() << std::endl ;
throw std::runtime_error("*** findVolume: Invalid placement: - node pointer Null ! " + std::string( pv.name() ) );
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
// std::cout << " ndau = " << node->GetNdaughters() << std::endl ;
for (Int_t idau = 0, ndau = node->GetNdaughters(); idau < ndau; ++idau) {
TGeoNode* daughter = node->GetDaughter(idau);
PlacedVolume placement( daughter );
if ( !placement.data() ) {
throw std::runtime_error("*** findVolume: Invalid not instrumented placement:"+std::string(daughter->GetName())
+" [Internal error -- bad detector constructor]");
}
PlacedVolume pv_dau = Ref_t(daughter); // why use a Ref_t here ???
if( findVolume( pv_dau , theVol , volList ) ) {
// std::cout << " ----- found in daughter volume !!! " << std::hex << pv_dau.volume().ptr() << std::endl ;
return true ;
}
}
// ------- not found:
volList.pop_back() ;
return false ;
//--------------------------------
}
}
Surface::Surface( Geometry::DetElement det, VolSurface volSurf ) : _det( det) , _volSurf( volSurf ),
_wtM(0) , _id( 0) , _type( _volSurf.type() ) {
initialize() ;
}
const IMaterial& Surface::innerMaterial() const {
// std::cout << " **** Surface::innerMaterial() " << mat << std::endl ;
MaterialManager matMgr ;
Vector3D p = _o - innerThickness() * _n ;
const MaterialVec& materials = matMgr.materialsBetween( _o , p ) ;
// std::cout << " ####### found materials between points : " << _o << " and " << p << " : " ;
// for( unsigned i=0,n=materials.size();i<n;++i){
// std::cout << materials[i].first.name() << "[" << materials[i].second << "], " ;
// }
// std::cout << std::endl ;
// const MaterialData& matAvg = matMgr.createAveragedMaterial( materials ) ;
// mat = matAvg ;
// std::cout << " **** Surface::innerMaterial() - assigning averaged material to surface : " << mat << std::endl ;
mat = ( materials.size() > 1 ? matMgr.createAveragedMaterial( materials ) : materials[0].first ) ;
return mat ;
}
const IMaterial& Surface::outerMaterial() const {
MaterialManager matMgr ;
Vector3D p = _o + outerThickness() * _n ;
const MaterialVec& materials = matMgr.materialsBetween( _o , p ) ;
mat = ( materials.size() > 1 ? matMgr.createAveragedMaterial( materials ) : materials[0].first ) ;
return mat ;
ISurface::Vector2D Surface::globalToLocal( const Vector3D& point) const {
Vector3D p = point - origin() ;
// create new orthogonal unit vectors
// FIXME: these vectors should be cached really ...
double uv = u() * v() ;
Vector3D uprime = ( u() - uv * v() ).unit() ;
Vector3D vprime = ( v() - uv * u() ).unit() ;
double uup = u() * uprime ;
double vvp = v() * vprime ;
return ISurface::Vector2D( p*uprime / uup , p*vprime / vvp ) ;
}
Vector3D Surface::localToGlobal( const ISurface::Vector2D& point) const {
Vector3D g = origin() + point[0] * u() + point[1] * v() ;
return g ;
}
Vector3D Surface::volumeOrigin() const {
double o_array[3] ;
_wtM->LocalToMaster ( Vector3D() , o_array ) ;
Vector3D o(o_array) ;
return o ;
}
double Surface::distance(const Vector3D& point ) const {
double pa[3] ;
_wtM->MasterToLocal( point , pa ) ;
Vector3D localPoint( pa ) ;
return ( _volSurf.type().isPlane() ? VolPlane(_volSurf).distance( localPoint ) : VolCylinder(_volSurf).distance( localPoint ) ) ;
}
bool Surface::insideBounds(const Vector3D& point, double epsilon) const {
double pa[3] ;
_wtM->MasterToLocal( point , pa ) ;
Vector3D localPoint( pa ) ;
return ( _volSurf.type().isPlane() ? VolPlane(_volSurf).insideBounds( localPoint, epsilon ) : VolCylinder(_volSurf).insideBounds( localPoint , epsilon) ) ;
void Surface::initialize() {
// first we need to find the right volume for the local surface in the DetElement's volumes
std::list< PlacedVolume > pVList ;
PlacedVolume pv = _det.placement() ;
Volume theVol = _volSurf.volume() ;
if( ! findVolume( pv, theVol , pVList ) ){
theVol = _volSurf.volume() ;
std::stringstream sst ; sst << " ***** ERROR: Volume " << theVol.name() << " not found for DetElement " << _det.name() << " with surface " ;
throw std::runtime_error( sst.str() ) ;
// std::cout << " **** Surface::initialize() # placements for surface = " << pVList.size()
// << " worldTransform : "
// << std::endl ;
//=========== compute and cache world transform for surface ==========
const TGeoHMatrix& wm = _det.worldTransformation() ;
for( std::list<PlacedVolume>::iterator it= pVList.begin(), n = pVList.end() ; it != n ; ++it ){
PlacedVolume pv = *it ;
TGeoMatrix* m = pv->GetMatrix();
std::cout << " +++ matrix for placed volume : " << std::endl ;
m->Print() ;
}
#endif
// need to get the inverse transformation ( see Detector.cpp )
// std::auto_ptr<TGeoHMatrix> wtI( new TGeoHMatrix( wm.Inverse() ) ) ;
// has been fixed now, no need to get the inverse anymore:
std::auto_ptr<TGeoHMatrix> wtI( new TGeoHMatrix( wm ) ) ;
//---- if the volSurface is not in the DetElement's volume, we need to mutliply the path to the volume to the
// DetElements world transform
for( std::list<PlacedVolume>::iterator it = ++( pVList.begin() ) , n = pVList.end() ; it != n ; ++it ){
PlacedVolume pv = *it ;
TGeoMatrix* m = pv->GetMatrix();
// std::cout << " +++ matrix for placed volume : " << std::endl ;
// m->Print() ;
// std::cout << " +++ new world transform matrix : " << std::endl ;
#if 0 //fixme: which convention to use here - the correct should be wtI, however it is the inverse of what is stored in DetElement ???
std::auto_ptr<TGeoHMatrix> wt( new TGeoHMatrix( wtI->Inverse() ) ) ;
wt->Print() ;
// cache the world transform for the surface
_wtM = wt.release() ;
#else
// wtI->Print() ;
// cache the world transform for the surface
_wtM = wtI.release() ;
#endif
// ============ now fill the global surface vectors ==========================
double ua[3], va[3], na[3], oa[3] ;
_wtM->LocalToMasterVect( _volSurf.u() , ua ) ;
_wtM->LocalToMasterVect( _volSurf.v() , va ) ;
_wtM->LocalToMasterVect( _volSurf.normal() , na ) ;
_wtM->LocalToMaster ( _volSurf.origin() , oa ) ;
_u.fill( ua ) ;
_v.fill( va ) ;
_n.fill( na ) ;
_o.fill( oa ) ;
// std::cout << " --- local and global surface vectors : ------- " << std::endl
// << " u : " << _volSurf.u() << " - " << _u << std::endl
// << " v : " << _volSurf.v() << " - " << _v << std::endl
// << " n : " << _volSurf.normal() << " - " << _n << std::endl
// << " o : " << _volSurf.origin() << " - " << _o << std::endl ;
// =========== check parallel and orthogonal to Z ===================
_type.checkOrthogonalToZ( *this ) ;
//======== set the unique surface ID from the DetElement ( and placements below ? )
// just use the DetElement ID for now ...
_id = _det.volumeID() ;
// typedef PlacedVolume::VolIDs IDV ;
// DetElement d = _det ;
// while( d.isValid() && d.parent().isValid() ){
// PlacedVolume pv = d.placement() ;
// if( pv.isValid() ){
// const IDV& idV = pv.volIDs() ;
// std::cout << " VolIDs : " << d.name() << std::endl ;
// for( unsigned i=0, n=idV.size() ; i<n ; ++i){
// std::cout << " " << idV[i].first << " - " << idV[i].second << std::endl ;
// }
// }
// d = d.parent() ;
// }
}
//===================================================================================================================
std::vector< std::pair<Vector3D, Vector3D> > Surface::getLines(unsigned nMax) {
const static double epsilon = 1e-6 ;
std::vector< std::pair<Vector3D, Vector3D> > lines ;
// get local and global surface vectors
const DDSurfaces::Vector3D& lu = _volSurf.u() ;
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
const DDSurfaces::Vector3D& ln = _volSurf.normal() ;
const DDSurfaces::Vector3D& lo = _volSurf.origin() ;
Volume vol = volume() ;
const TGeoShape* shape = vol->GetShape() ;
if( type().isPlane() ) {
if( shape->IsA() == TGeoBBox::Class() ) {
TGeoBBox* box = ( TGeoBBox* ) shape ;
DDSurfaces::Vector3D boxDim( box->GetDX() , box->GetDY() , box->GetDZ() ) ;
bool isYZ = std::fabs( ln.x() - 1.0 ) < epsilon ; // normal parallel to x
bool isXZ = std::fabs( ln.y() - 1.0 ) < epsilon ; // normal parallel to y
bool isXY = std::fabs( ln.z() - 1.0 ) < epsilon ; // normal parallel to z
if( isYZ || isXZ || isXY ) { // plane is parallel to one of the box' sides -> need 4 vertices from box dimensions
// if isYZ :
unsigned uidx = 1 ;
unsigned vidx = 2 ;
DDSurfaces::Vector3D ubl( 0., 1., 0. ) ;
DDSurfaces::Vector3D vbl( 0., 0., 1. ) ;
if( isXZ ) {
ubl.fill( 1., 0., 0. ) ;
vbl.fill( 0., 0., 1. ) ;
uidx = 0 ;
vidx = 2 ;
} else if( isXY ) {
ubl.fill( 1., 0., 0. ) ;
vbl.fill( 0., 1., 0. ) ;
uidx = 0 ;
vidx = 1 ;
}
DDSurfaces::Vector3D ub ;
DDSurfaces::Vector3D vb ;
_wtM->LocalToMasterVect( ubl , ub.array() ) ;
_wtM->LocalToMasterVect( vbl , vb.array() ) ;
lines.push_back( std::make_pair( _o + boxDim[ uidx ] * ub + boxDim[ vidx ] * vb , _o - boxDim[ uidx ] * ub + boxDim[ vidx ] * vb ) ) ;
lines.push_back( std::make_pair( _o - boxDim[ uidx ] * ub + boxDim[ vidx ] * vb , _o - boxDim[ uidx ] * ub - boxDim[ vidx ] * vb ) ) ;
lines.push_back( std::make_pair( _o - boxDim[ uidx ] * ub - boxDim[ vidx ] * vb , _o + boxDim[ uidx ] * ub - boxDim[ vidx ] * vb ) ) ;
lines.push_back( std::make_pair( _o + boxDim[ uidx ] * ub - boxDim[ vidx ] * vb , _o + boxDim[ uidx ] * ub + boxDim[ vidx ] * vb ) ) ;
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
} else if( shape->IsA() == TGeoConeSeg::Class() ) {
TGeoCone* cone = ( TGeoCone* ) shape ;
// can only deal with special case of z-disk and origin in center of cone
if( type().isZDisk() && lo.rho() < epsilon ) {
double zhalf = cone->GetDZ() ;
double rmax1 = cone->GetRmax1() ;
double rmax2 = cone->GetRmax2() ;
double rmin1 = cone->GetRmin1() ;
double rmin2 = cone->GetRmin2() ;
// two circles around origin
// get radii at position of plane
double r0 = rmin1 + ( rmin2 - rmin1 ) / ( 2. * zhalf ) * ( zhalf + lo.z() ) ;
double r1 = rmax1 + ( rmax2 - rmax1 ) / ( 2. * zhalf ) * ( zhalf + lo.z() ) ;
unsigned n = nMax / 4 ;
double dPhi = 2.* ROOT::Math::Pi() / double( n ) ;
for( unsigned i = 0 ; i < n ; ++i ) {
Vector3D rv00( r0*sin( i *dPhi ) , r0*cos( i *dPhi ) , 0. ) ;
Vector3D rv01( r0*sin( (i+1)*dPhi ) , r0*cos( (i+1)*dPhi ) , 0. ) ;
Vector3D rv10( r1*sin( i *dPhi ) , r1*cos( i *dPhi ) , 0. ) ;
Vector3D rv11( r1*sin( (i+1)*dPhi ) , r1*cos( (i+1)*dPhi ) , 0. ) ;
Vector3D pl0 = lo + rv00 ;
Vector3D pl1 = lo + rv01 ;
Vector3D pl2 = lo + rv10 ;
Vector3D pl3 = lo + rv11 ;
Vector3D pg0,pg1,pg2,pg3 ;
_wtM->LocalToMaster( pl0, pg0.array() ) ;
_wtM->LocalToMaster( pl1, pg1.array() ) ;
_wtM->LocalToMaster( pl2, pg2.array() ) ;
_wtM->LocalToMaster( pl3, pg3.array() ) ;
lines.push_back( std::make_pair( pg0, pg1 ) ) ;
lines.push_back( std::make_pair( pg2, pg3 ) ) ;
}
//add some vertical and horizontal lines so that the disc is seen in the rho-z projection
n = 4 ; dPhi = 2.* ROOT::Math::Pi() / double( n ) ;
for( unsigned i = 0 ; i < n ; ++i ) {
Vector3D rv0( r0*sin( i * dPhi ) , r0*cos( i * dPhi ) , 0. ) ;
Vector3D rv1( r1*sin( i * dPhi ) , r1*cos( i * dPhi ) , 0. ) ;
Vector3D pl0 = lo + rv0 ;
Vector3D pl1 = lo + rv1 ;
Vector3D pg0,pg1 ;
_wtM->LocalToMaster( pl0, pg0.array() ) ;
_wtM->LocalToMaster( pl1, pg1.array() ) ;
lines.push_back( std::make_pair( pg0, pg1 ) ) ;
}
}
return lines ;
}
// ===== default for arbitrary planes in arbitrary shapes =================
// We create nMax vertices by rotating the local u vector around the normal
// and checking the distance to the volume boundary in that direction.
// This is brute force and not very smart, as many points are created on straight
// lines and the edges are still rounded.
// The alterative would be to compute the true intersections a plane and the most
// common shapes - at least for boxes that should be not too hard. To be done...
lines.reserve( nMax ) ;
double dAlpha = 2.* ROOT::Math::Pi() / double( nMax ) ;
TVector3 normal( ln.x() , ln.y() , ln.z() ) ;
DDSurfaces::Vector3D first, previous ;
for(unsigned i=0 ; i< nMax ; ++i ){
double alpha = double(i) * dAlpha ;
TVector3 vec( lu.x() , lu.y() , lu.z() ) ;
TRotation rot ;
rot.Rotate( alpha , normal );
TVector3 vecR = rot * vec ;
DDSurfaces::Vector3D luRot ;
luRot.fill( vecR ) ;
double dist = shape->DistFromInside( const_cast<double*> (lo.const_array()) , const_cast<double*> (luRot.const_array()) , 3, 0.1 ) ;
// local point at volume boundary
DDSurfaces::Vector3D lp = lo + dist * luRot ;
DDSurfaces::Vector3D gp ;
_wtM->LocalToMaster( lp , gp.array() ) ;
// std::cout << " **** normal:" << ln << " lu:" << lu << " alpha:" << alpha << " luRot:" << luRot << " lp :" << lp << " gp:" << gp << " dist : " << dist
// << " is point " << gp << " inside : " << shape->Contains( gp.const_array() )
// << " dist from outside for lo,lu " << shape->DistFromOutside( lo.const_array() , lu.const_array() , 3 )
// << " dist from inside for lo,ln " << shape->DistFromInside( lo.const_array() , ln.const_array() , 3 )
// << std::endl;
// shape->Dump() ;
lines.push_back( std::make_pair( previous, gp ) ) ;
else
first = gp ;
previous = gp ;
lines.push_back( std::make_pair( previous, first ) ) ;
// if( shape->IsA() == TGeoTube::Class() ) {
if( shape->IsA() == TGeoConeSeg::Class() ) {
lines.reserve( nMax ) ;
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
TGeoTube* tube = ( TGeoTube* ) shape ;
double zHalf = tube->GetDZ() ;
Vector3D zv( 0. , 0. , zHalf ) ;
double r = lo.rho() ;
unsigned n = nMax / 4 ;
double dPhi = 2.* ROOT::Math::Pi() / double( n ) ;
for( unsigned i = 0 ; i < n ; ++i ) {
Vector3D rv0( r*sin( i *dPhi ) , r*cos( i *dPhi ) , 0. ) ;
Vector3D rv1( r*sin( (i+1)*dPhi ) , r*cos( (i+1)*dPhi ) , 0. ) ;
// 4 points on local cylinder
Vector3D pl0 = zv + rv0 ;
Vector3D pl1 = zv + rv1 ;
Vector3D pl2 = -zv + rv1 ;
Vector3D pl3 = -zv + rv0 ;
Vector3D pg0,pg1,pg2,pg3 ;
_wtM->LocalToMaster( pl0, pg0.array() ) ;
_wtM->LocalToMaster( pl1, pg1.array() ) ;
_wtM->LocalToMaster( pl2, pg2.array() ) ;
_wtM->LocalToMaster( pl3, pg3.array() ) ;
lines.push_back( std::make_pair( pg0, pg1 ) ) ;
lines.push_back( std::make_pair( pg1, pg2 ) ) ;
lines.push_back( std::make_pair( pg2, pg3 ) ) ;
lines.push_back( std::make_pair( pg3, pg0 ) ) ;
//================================================================================================================
Vector3D CylinderSurface::u( const Vector3D& point ) const {
Vector3D lp , u ;
_wtM->MasterToLocal( point , lp.array() ) ;
const DDSurfaces::Vector3D& lu = VolCylinder(_volSurf).u( lp ) ;
_wtM->LocalToMasterVect( lu , u.array() ) ;
return u ;
}
Vector3D CylinderSurface::v(const Vector3D& point ) const {
Vector3D lp , v ;
_wtM->MasterToLocal( point , lp.array() ) ;
const DDSurfaces::Vector3D& lv = VolCylinder(_volSurf).v( lp ) ;
_wtM->LocalToMasterVect( lv , v.array() ) ;
return v ;
}
Vector3D CylinderSurface::normal(const Vector3D& point ) const {
Vector3D lp , n ;
_wtM->MasterToLocal( point , lp.array() ) ;
const DDSurfaces::Vector3D& ln = VolCylinder(_volSurf).normal( lp ) ;
_wtM->LocalToMasterVect( ln , n.array() ) ;
return n ;
}
ISurface::Vector2D CylinderSurface::globalToLocal( const Vector3D& point) const {
Vector3D lp , n ;
_wtM->MasterToLocal( point , lp.array() ) ;
}
Vector3D CylinderSurface::localToGlobal( const ISurface::Vector2D& point) const {
Vector3D lp = VolCylinder(_volSurf).localToGlobal( point ) ;
Vector3D p ;
_wtM->LocalToMasterVect( lp , p.array() ) ;
return p ;
}
//================================================================================================================
#include "DD4hep/Handle.inl"
typedef DD4hep::DDRec::SurfaceData SurfaceData;
DD4HEP_INSTANTIATE_HANDLE_UNNAMED(SurfaceData);