void XRayWithROOT(int axis,
Vector3D<Precision> origin,
Vector3D<Precision> bbox,
Vector3D<Precision> dir,
double axis1_start, double axis1_end,
double axis2_start, double axis2_end,
int data_size_x,
int data_size_y,
double pixel_axis,
int * image) {
if(VERBOSE){
std::cout << "from [" << axis1_start << ";" << axis2_start
<< "] to [" << axis1_end << ";" << axis2_end << "]\n";
std::cout << "Xpixels " << data_size_x << " YPixels " << data_size_y << "\n";
std::cout << pixel_axis << "\n";
}
double pixel_width_1 = (axis1_end-axis1_start)/data_size_x;
double pixel_width_2 = (axis2_end-axis2_start)/data_size_y;
if(VERBOSE){
std::cout << pixel_width_1 << "\n";
std::cout << pixel_width_2 << "\n";
}
for( int pixel_count_2 = 0; pixel_count_2 < data_size_y; ++pixel_count_2 ){
for( int pixel_count_1 = 0; pixel_count_1 < data_size_x; ++pixel_count_1 )
{
double axis1_count = axis1_start + pixel_count_1 * pixel_width_1 + 1E-6;
double axis2_count = axis2_start + pixel_count_2 * pixel_width_2 + 1E-6;
if(VERBOSE) {
std::cout << "\n OutputPoint("<< axis1_count<< ", "<< axis2_count<< ")\n";
}
// set start point of XRay
Vector3D<Precision> p;
if( axis== 1 )
p.Set( origin[0]-bbox[0], axis1_count, axis2_count);
else if( axis== 2)
p.Set( axis1_count, origin[1]-bbox[1], axis2_count);
else if( axis== 3)
p.Set( axis1_count, axis2_count, origin[2]-bbox[2]);
TGeoNavigator * nav = gGeoManager->GetCurrentNavigator();
nav->SetCurrentPoint( p.x(), p.y(), p.z() );
nav->SetCurrentDirection( dir.x(), dir.y(), dir.z() );
double distancetravelled=0.;
int crossedvolumecount=0;
double accumulateddensity =0.;
if(VERBOSE) {
std::cout << " StartPoint(" << p[0] << ", " << p[1] << ", " << p[2] << ")";
std::cout << " Direction <" << dir[0] << ", " << dir[1] << ", " << dir[2] << ">"<< std::endl;
}
// propagate until we leave detector
TGeoNode const * node = nav->FindNode();
TGeoMaterial const * curmat = node->GetVolume()->GetMaterial();
// std::cout << pixel_count_1 << " " << pixel_count_2 << " " << dir << "\t" << p << "\t";
// std::cout << "IN|OUT" << nav->IsOutside() << "\n";
// if( node ) std::cout << node->GetVolume()->GetName() << "\t";
while( node !=NULL ) {
node = nav->FindNextBoundaryAndStep( vecgeom::kInfinity );
distancetravelled+=nav->GetStep();
accumulateddensity+=curmat->GetDensity() * distancetravelled;
if(VERBOSE) {
if( node != NULL ){
std::cout << " VolumeName: "<< node->GetVolume()->GetName();
}
else
std::cout << " NULL: ";
std::cout << " step[" << nav->GetStep()<< "]"<< std::endl;
double const * pROOT = nav->GetCurrentPoint();
p = Vector3D<Precision>(pROOT[0],pROOT[1],pROOT[2]);
std::cout << " point(" << p[0] << ", " << p[1] << ", " << p[2] << ")";
}
// Increase passed_volume
// TODO: correct counting of travel in "world" bounding box
crossedvolumecount++;
curmat = (node!=0) ? node->GetVolume()->GetMaterial() : 0;
} // end while
// std::cout << crossedvolumecount << "\n";
///////////////////////////////////
// Store the number of passed volume at 'volume_result'
*(image+pixel_count_2*data_size_x+pixel_count_1) = crossedvolumecount;// accumulateddensity ;// crossedvolumecount;
if(VERBOSE) {
std::cout << " EndOfBoundingBox:";
std::cout << " PassedVolume:" << "<"<< crossedvolumecount << " ";
std::cout << " step[" << nav->GetStep()<< "]";
std::cout << " Distance: " << distancetravelled<< std::endl;
}
} // end inner loop
} // end outer loop
} // end XRayWithROOT
void XRayWithROOT(int axis,
Vector3D<Precision> origin,
Vector3D<Precision> bbox,
Vector3D<Precision> dir,
double axis1_start, double axis1_end,
double axis2_start, double axis2_end,
int data_size_x,
int data_size_y,
double pixel_axis,
int * image) {
int counter=0;
// set start point of geantino
Vector3D<Precision> p(0.,0.,0);
TGeoNavigator * nav = gGeoManager->GetCurrentNavigator();
nav->SetCurrentPoint( p.x(), p.y(), p.z() );
nav->SetCurrentDirection( dir.x(), dir.y(), dir.z() );
double distancetravelled=0.;
int crossedvolumecount=0;
if(VERBOSE) {
std::cout << " StartPoint(" << p[0] << ", " << p[1] << ", " << p[2] << ")";
std::cout << " Direction <" << dir[0] << ", " << dir[1] << ", " << dir[2] << ">"<< std::endl;
}
// propagate until we leave detector
TGeoNode const * node = nav->FindNode();
std::cout << "INITIAL MAT :" << node->GetVolume()->GetMaterial()->GetName() << "\n";
// if( node ) std::cout << node->GetVolume()->GetName() << "\t";
while( node !=NULL ) {
node = nav->FindNextBoundaryAndStep( vecgeom::kInfinity );
distancetravelled+=nav->GetStep();
counter++;
if(VERBOSE) {
if( node != NULL )
std::cout << " *R " << counter << " * " << " point(" << p[0] << ", " << p[1] << ", " << p[2] << ") goes to " << " VolumeName: "<< node->GetVolume()->GetName()
<< " (MAT: " << node->GetVolume()->GetMaterial()->GetName() << ") :";
else
std::cout << " NULL: ";
std::cout << " step[" << nav->GetStep()<< "]"<< std::endl;
double const * pROOT = nav->GetCurrentPoint();
p = Vector3D<Precision>(pROOT[0],pROOT[1],pROOT[2]);
}
// Increase passed_volume
// TODO: correct counting of travel in "world" bounding box
crossedvolumecount++;
} // end while
// std::cout << crossedvolumecount << "\n";
if(VERBOSE) {
std::cout << " PassedVolume:" << "<"<< crossedvolumecount << " ";
std::cout << " total distance travelled: " << distancetravelled<< std::endl;
}
} // end XRayWithROOT