|
|
|
#include <OptOMirror.h>
Public Member Functions | |
| void | constructSolidShape () |
| void | defaultBehaviour (LightRay &lightray, Measurement &meas) |
| virtual void | detailedDeviatesLightRay (LightRay &lightray) |
| virtual void | detailedTraversesLightRay (LightRay &lightray) |
| virtual void | fastDeviatesLightRay (LightRay &lightray) |
| virtual void | fastTraversesLightRay (LightRay &lightray) |
| OptOMirror (OpticalObject *parent, const ALIstring &type, const ALIstring &name, const ALIbool copy_data) | |
| OptOMirror () | |
| ~OptOMirror () | |
Definition at line 18 of file OptOMirror.h.
| OptOMirror::OptOMirror | ( | ) | [inline] |
Definition at line 23 of file OptOMirror.h.
{ };
| OptOMirror::OptOMirror | ( | OpticalObject * | parent, |
| const ALIstring & | type, | ||
| const ALIstring & | name, | ||
| const ALIbool | copy_data | ||
| ) | [inline] |
Definition at line 24 of file OptOMirror.h.
: OpticalObject( parent, type, name, copy_data){ };
| OptOMirror::~OptOMirror | ( | ) | [inline] |
Definition at line 26 of file OptOMirror.h.
{ };
| void OptOMirror::constructSolidShape | ( | ) | [virtual] |
Reimplemented from OpticalObject.
Definition at line 213 of file OptOMirror.cc.
References GlobalOptionMgr::getGlobalOptionValue(), GlobalOptionMgr::getInstance(), and m.
{
ALIdouble go;
GlobalOptionMgr* gomgr = GlobalOptionMgr::getInstance();
gomgr->getGlobalOptionValue("VisScale", go );
theSolidShape = new CocoaSolidShapeBox( "Box", go*5.*cm/m, go*5.*cm/m, go*1.*cm/m ); //COCOA internal units are meters
}
| void OptOMirror::defaultBehaviour | ( | LightRay & | lightray, |
| Measurement & | meas | ||
| ) | [virtual] |
Reimplemented from OpticalObject.
Definition at line 24 of file OptOMirror.cc.
{
detailedDeviatesLightRay( lightray );
}
| void OptOMirror::detailedDeviatesLightRay | ( | LightRay & | lightray | ) | [virtual] |
Reimplemented from OpticalObject.
Definition at line 33 of file OptOMirror.cc.
References ALI_DBL_MAX, gather_cfg::cout, ALIUtils::debug, LightRay::direction(), ALIUtils::dump3v(), LightRay::dumpData(), LightRay::intersect(), mag(), mergeVDriftHistosByStation::name, LightRay::point(), LightRay::setDirection(), and tablePrinter::width.
{
if (ALIUtils::debug >= 2) std::cout << "LR: DETAILED REFLECTION IN MIRROR " << name() << std::endl;
if (ALIUtils::debug >= 3) ALIUtils::dump3v( centreGlob(), " centre Global ");
//---------- Get forward plate and intersect lightray with it
ALIPlane plate = getPlate(1, 0);
lightray.intersect( plate );
CLHEP::Hep3Vector inters = lightray.point( );
//---------- Get centre of forward plate
//----- Get Z axis
CLHEP::Hep3Vector ZAxis = getZAxis();
CLHEP::HepRotation rmt = rmGlob();
ZAxis = rmt * ZAxis;
//----- Get centre
ALIdouble width = findExtraEntryValue("width");
CLHEP::Hep3Vector plate_centre = centreGlob() - 0.5 * width * ZAxis;
//- if(ALIUtils::debug >= 4) std::cout << " mirror width " << width << std::endl;
//---------- Get the distance between the intersection point and the centre of the forward plate
ALIdouble distance = ( plate_centre - inters ).mag();
//---------- Get normal to mirror at intersection point
//------- Get angle of mirror surface (angle between plate centre and intersection)
ALIdouble flatness = findExtraEntryValue("flatness");
//-- flatness is defined as number of 632 nm wavelengths
flatness *= 632.E-9;
ALIdouble length = 0.;
ALIdouble curvature_radius;
ALIdouble angFlatness;
if( flatness != 0) {
length = findExtraEntryValueMustExist("length");
curvature_radius = (flatness*flatness + length*length) / (2*flatness);
angFlatness = asin( distance / curvature_radius);
} else {
curvature_radius = ALI_DBL_MAX;
angFlatness = 0;
}
if (ALIUtils::debug >= 3) {
std::cout << " intersection with plate " << inters << std::endl;
std::cout << " plate_centre " << plate_centre << std::endl;
std::cout << " distance plate_centre - intersection " << distance << std::endl;
std::cout << " flatness " << flatness << ", length " << length;
std::cout << ", curvature radius " << curvature_radius << " angle of flatness " << angFlatness << std::endl;
}
//----- Axis of rotation is perpendicular to Z Axis and to line plate_centre - intersection
CLHEP::Hep3Vector ipcV = inters - plate_centre;
if( ipcV.mag() != 0) ipcV *= 1./ipcV.mag();
CLHEP::HepRotation rtm = rmGlob();
ipcV = rtm*ipcV;
CLHEP::Hep3Vector rotationAxis = ipcV.cross(ZAxis);
//----- normal is object normal rotated around this axis
CLHEP::Hep3Vector inters_normal = CLHEP::Hep3Vector(0.,0.,1.);
inters_normal.rotate( angFlatness, rotationAxis );
inters_normal = rmt * inters_normal;
if (ALIUtils::debug >= 2) {
ALIUtils::dump3v( ipcV, " intersection - plate_centre std::vector ");
std::cout << "rotation Axis " << rotationAxis << std::endl;
std::cout << " plate normal at intersection point " << inters_normal << std::endl;
}
//---------- Reflect in plate
ALIdouble cosang = -( inters_normal * lightray.direction() ) /
inters_normal.mag() / lightray.direction().mag();
CLHEP::Hep3Vector lrold = lightray.direction();
lightray.setDirection( lightray.direction() + inters_normal*2*cosang );
if (ALIUtils::debug >= 2) {
lightray.dumpData("Reflected in mirror");
}
}
| void OptOMirror::detailedTraversesLightRay | ( | LightRay & | lightray | ) | [virtual] |
Reimplemented from OpticalObject.
Definition at line 138 of file OptOMirror.cc.
References gather_cfg::cout, ALIUtils::debug, LightRay::dumpData(), mergeVDriftHistosByStation::name, LightRay::refract(), and tablePrinter::width.
{
if (ALIUtils::debug >= 2) std::cout << "LR: DETAILED TRAVERSE IN MIRROR " << name() << std::endl;
//---------- Get forward plate
ALIPlane plate = getPlate(1, 1);
//---------- If width is 0, just keep the same point
ALIdouble width = findExtraEntryValue("width");
if( width == 0 ) {
if(ALIUtils::debug >= 3) lightray.dumpData("Traversed with 0 width");
return;
}
//---------- Refract while entering mirror
ALIdouble refra_ind1 = 1.;
ALIdouble refra_ind2 = findExtraEntryValue("refra_ind");
lightray.refract( plate, refra_ind1, refra_ind2 );
if (ALIUtils::debug >= 2) {
lightray.dumpData("Refracted in first plate");
}
//---------- Get backward plate
plate = getPlate(0, 1);
//---------- Refract while exiting mirror
lightray.refract( plate, refra_ind2, refra_ind1 );
if (ALIUtils::debug >= 2) {
lightray.dumpData("Refracted in first plate");
}
}
| void OptOMirror::fastDeviatesLightRay | ( | LightRay & | lightray | ) | [virtual] |
Reimplemented from OpticalObject.
Definition at line 114 of file OptOMirror.cc.
References gather_cfg::cout, ALIUtils::debug, LightRay::dumpData(), mergeVDriftHistosByStation::name, LightRay::reflect(), and LightRay::shiftAndDeviateWhileTraversing().
{
if (ALIUtils::debug >= 2) std::cout << "LR: FAST REFLECTION IN MIRROR " << name() << std::endl;
//---------- Get forward plate
ALIPlane plate = getPlate(1, 0);
//---------- Reflect in plate (including intersection with it)
lightray.reflect( plate );
if (ALIUtils::debug >= 2) {
lightray.dumpData("Reflected in plate");
}
//---------- Deviate Lightray
// ALIdouble deviX = findExtraEntryValue("deviX");
// ALIdouble deviY = findExtraEntryValue("deviY");
// lightray.shiftAndDeviateWhileTraversing( this, 0., 0., 0., deviX, deviY, 0.);
lightray.shiftAndDeviateWhileTraversing( this, 'R' );
if (ALIUtils::debug >= 2) {
lightray.dumpData("Deviated ");
}
}
| void OptOMirror::fastTraversesLightRay | ( | LightRay & | lightray | ) | [virtual] |
Reimplemented from OpticalObject.
Definition at line 171 of file OptOMirror.cc.
References gather_cfg::cout, ALIUtils::debug, LightRay::dumpData(), LightRay::intersect(), mergeVDriftHistosByStation::name, and LightRay::shiftAndDeviateWhileTraversing().
{
if (ALIUtils::debug >= 2) std::cout << "LR: TRAVERSE MIRROR " << name() << std::endl;
//---------- Get backward plate
ALIPlane plate = getPlate(0, 0);
lightray.intersect( plate );
if (ALIUtils::debug >= 2) {
lightray.dumpData("Intersected with plate");
}
//---------- Shift and Deviate
lightray.shiftAndDeviateWhileTraversing( this, 'T' );
if (ALIUtils::debug >= 2) {
lightray.dumpData("Shifted and Deviated");
}
}
1.7.3