DetectorDescription/Parser/src/DDDividedTrd.cc - master - githubmirror/cmssw

DetectorDescription/Parser/src/DDDividedTrd.cc
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11 май 2019, 12:09
11 май 2019, 12:0902cea70
#include "DetectorDescription/Parser/src/DDDividedTrd.h"
#include "DetectorDescription/Core/interface/DDAxes.h"
#include "DetectorDescription/Core/interface/DDLogicalPart.h"
#include "DetectorDescription/Core/interface/DDMaterial.h"
#include "DetectorDescription/Core/interface/DDName.h"
#include "DetectorDescription/Core/interface/DDSolid.h"
#include "DetectorDescription/Core/interface/DDTransform.h"
#include "DataFormats/Math/interface/GeantUnits.h"
#include "DetectorDescription/Parser/src/DDDividedGeometryObject.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include "FWCore/Utilities/interface/Exception.h"

#include <cmath>
#include <ostream>
#include <string>
#include <utility>

class DDCompactView;

using namespace geant_units::operators;

DDDividedTrdX::DDDividedTrdX(const DDDivision& div, DDCompactView* cpv) : DDDividedGeometryObject(div, cpv) {
  checkParametersValidity();
  setType("DivisionTrdX");
  DDTrap mtrd = (DDTrap)(div_.parent().solid());

  if (divisionType_ == DivWIDTH) {
    compNDiv_ = calculateNDiv(2 * mtrd.x1(), div_.width(), div_.offset());
  } else if (divisionType_ == DivNDIV) {
    compWidth_ = calculateWidth(2 * mtrd.x1(), div_.nReplicas(), div_.offset());
  }
}

double DDDividedTrdX::getMaxParameter(void) const {
  DDTrap mtrd = (DDTrap)(div_.parent().solid());
  return 2 * mtrd.x1();
}

DDTranslation DDDividedTrdX::makeDDTranslation(const int copyNo) const {
  DDTrap mtrd = (DDTrap)(div_.parent().solid());
  double mdx = mtrd.x1();

  //----- translation
  double posi = -mdx + div_.offset() + (copyNo + 0.5) * compWidth_;

  if (div_.axis() == DDAxes::x) {
    return DDTranslation(posi, 0.0, 0.0);
  } else {
    std::string s = "ERROR - DDDividedTrdX::makeDDTranslation()";
    s += "\n        Axis is along ";
    s += DDAxesNames::name(div_.axis());
    s += " !\n";
    s += "DDDividedTrdX::makeDDTranslation()";
    s += " IllegalConstruct: Only axes along x are allowed !";
    throw cms::Exception("DDException") << s;
  }

  return DDTranslation();
}

DDRotation DDDividedTrdX::makeDDRotation(const int copyNo) const { return DDRotation(); }

DDLogicalPart DDDividedTrdX::makeDDLogicalPart(const int copyNo) const {
  DDTrap mtrd = (DDTrap)(div_.parent().solid());
  DDMaterial usemat = div_.parent().material();

  double pDy1 = mtrd.y1();    // Y half length1
  double pDy2 = mtrd.y2();    // Y half length2
  double pDz = mtrd.halfZ();  // Z half length
  double pDx = compWidth_ / 2.;

  DDName solname(div_.parent().ddname().name() + "_DIVCHILD", div_.parent().ddname().ns());
  DDSolid dsol(solname);
  DDLogicalPart ddlp(solname);
  if (!dsol.isDefined().second) {
    dsol = DDSolidFactory::trap(solname, pDz, 0._deg, 0._deg, pDy1, pDx, pDx, 0._deg, pDy2, pDx, pDx, 0._deg);
    ddlp = DDLogicalPart(solname, usemat, dsol);
  }
  return ddlp;
}

void DDDividedTrdX::checkParametersValidity(void) {
  DDDividedGeometryObject::checkParametersValidity();

  DDTrap mtrd = (DDTrap)(div_.parent().solid());

  double mpDx1 = mtrd.x1();  // X half length1
  double mpDx2 = mtrd.x2();  // X half length2
  double mpDx3 = mtrd.x3();
  double mpDx4 = mtrd.x4();
  double mpTheta = mtrd.theta();
  double mpPhi = mtrd.phi();
  double mpAlpha1 = mtrd.alpha1();
  double mpAlpha2 = mtrd.alpha2();

  if (fabs(mpDx1 - mpDx2) > tolerance() || fabs(mpDx3 - mpDx4) > tolerance() || fabs(mpDx1 - mpDx4) > tolerance()) {
    std::string s = "ERROR - DDDividedTrdX::checkParametersValidity()";
    s += "\n        Making a division of a TRD along axis X,";
    s += "\n        while the X half lengths are not equal,";
    s += "\n        is not (yet) supported. It will result";
    s += "\n        in non-equal division solids.";
    throw cms::Exception("DDException") << s;
  }

  // mec:  we only have traps, not trds in DDD, so I added this check
  // to make sure it is only a trd (I think! :-))
  if (mpAlpha1 != 0._deg || mpAlpha2 != 0._deg || mpTheta != 0._deg || mpPhi != 0._deg) {
    std::string s = "ERROR - DDDividedTrdX::checkParametersValidity()";
    s += "\n        Making a division of a TRD along axis X,";
    s += "\n        while the theta, phi and aplhpa2 are not zero,";
    s += "\n        is not (yet) supported. It will result";
    s += "\n        in non-equal division solids.";
    throw cms::Exception("DDException") << s;
  }
}

DDDividedTrdY::DDDividedTrdY(const DDDivision& div, DDCompactView* cpv) : DDDividedGeometryObject(div, cpv) {
  checkParametersValidity();
  setType("DivisionTrdY");
  DDTrap mtrd = (DDTrap)(div_.parent().solid());

  if (divisionType_ == DivWIDTH) {
    compNDiv_ = calculateNDiv(2 * mtrd.y1(), div_.width(), div_.offset());
  } else if (divisionType_ == DivNDIV) {
    compWidth_ = calculateWidth(2 * mtrd.y1(), div_.nReplicas(), div_.offset());
  }
}

double DDDividedTrdY::getMaxParameter(void) const {
  DDTrap mtrd = (DDTrap)(div_.parent().solid());
  return 2 * mtrd.y1();
}

DDTranslation DDDividedTrdY::makeDDTranslation(const int copyNo) const {
  DDTrap mtrd = (DDTrap)(div_.parent().solid());
  double mdy = mtrd.y1();

  //----- translation
  double posi = -mdy + div_.offset() + (copyNo + 0.5) * compWidth_;

  if (div_.axis() == DDAxes::y) {
    return DDTranslation(0.0, posi, 0.0);
  } else {
    std::string s = "ERROR - DDDividedTrdY::makeDDTranslation()";
    s += "\n        Axis is along ";
    s += DDAxesNames::name(div_.axis());
    s += " !\n";
    s += "DDDividedTrdY::makeDDTranslation()";
    s += " IllegalConstruct: Only axes along y are allowed !";
    throw cms::Exception("DDException") << s;
  }
  return DDTranslation();
}

DDRotation DDDividedTrdY::makeDDRotation(const int copyNo) const { return DDRotation(); }

DDLogicalPart DDDividedTrdY::makeDDLogicalPart(const int copyNo) const {
  //---- The division along Y of a Trd will result a Trd, only
  //--- if Y at -Z and +Z are equal, else use the G4Trap version
  DDTrap mtrd = (DDTrap)(div_.parent().solid());
  DDMaterial usemat = div_.parent().material();

  double pDx1 = mtrd.x1();    // X half length1 at Y+
  double pDx2 = mtrd.x2();    // X half length2 at Y+
  double pDx3 = mtrd.x3();    // X half length1 at Y-
  double pDx4 = mtrd.x4();    // X half length2 at Y-
  double pDz = mtrd.halfZ();  // Z half length
  double pDy = compWidth_ / 2.;

  DDName solname(div_.name());
  DDSolid dsol(solname);
  DDLogicalPart ddlp(solname);
  if (!dsol.isDefined().second) {
    dsol = DDSolidFactory::trap(solname, pDz, 0._deg, 0._deg, pDy, pDx1, pDx2, 0._deg, pDy, pDx3, pDx4, 0._deg);
    DDLogicalPart ddlp(solname, usemat, dsol);
  }
  return ddlp;
}

void DDDividedTrdY::checkParametersValidity(void) {
  DDDividedGeometryObject::checkParametersValidity();

  DDTrap mtrd = (DDTrap)(div_.parent().solid());

  double mpDy1 = mtrd.y1();  // Y half length1
  double mpDy2 = mtrd.y2();  // Y half length2
  double mpTheta = mtrd.theta();
  double mpPhi = mtrd.phi();
  double mpAlpha1 = mtrd.alpha1();
  double mpAlpha2 = mtrd.alpha2();

  if (fabs(mpDy1 - mpDy2) > tolerance()) {
    std::string s = "ERROR - DDDividedTrdY::checkParametersValidity()";
    s += "\n        Making a division of a TRD along axis Y while";
    s += "\n        the Y half lengths are not equal is not (yet)";
    s += "\n        supported. It will result in non-equal";
    s += "\n        division solids.";
    throw cms::Exception("DDException") << s;
  }
  // mec:  we only have traps, not trds in DDD, so I added this check
  // to make sure it is only a trd (I think! :-))
  if (mpAlpha1 != 0._deg || mpAlpha2 != 0._deg || mpTheta != 0._deg || mpPhi != 0._deg) {
    std::string s = "ERROR - DDDividedTrdY::checkParametersValidity()";
    s += "\n        Making a division of a TRD along axis X,";
    s += "\n        while the theta, phi and aplhpa2 are not zero,";
    s += "\n        is not (yet) supported. It will result";
    s += "\n        in non-equal division solids.";
    throw cms::Exception("DDException") << s;
  }
}

DDDividedTrdZ::DDDividedTrdZ(const DDDivision& div, DDCompactView* cpv) : DDDividedGeometryObject(div, cpv) {
  checkParametersValidity();
  setType("DivTrdZ");
  DDTrap mtrd = (DDTrap)(div_.parent().solid());

  if (divisionType_ == DivWIDTH) {
    compNDiv_ = calculateNDiv(2 * mtrd.halfZ(), div_.width(), div_.offset());
  } else if (divisionType_ == DivNDIV) {
    compWidth_ = calculateWidth(2 * mtrd.halfZ(), div_.nReplicas(), div_.offset());
  }
}

double DDDividedTrdZ::getMaxParameter(void) const {
  DDTrap mtrd = (DDTrap)(div_.parent().solid());
  return 2 * mtrd.halfZ();
}

DDTranslation DDDividedTrdZ::makeDDTranslation(const int copyNo) const {
  DDTrap mtrd = (DDTrap)(div_.parent().solid());
  double mdz = mtrd.halfZ();

  //----- translation
  double posi = -mdz + div_.offset() + (copyNo + 0.5) * compWidth_;

  if (div_.axis() == DDAxes::z) {
    return DDTranslation(0.0, 0.0, posi);
  } else {
    std::string s = "ERROR - DDDividedTrdZ::makeDDTranslation()";
    s += "\n        Axis is along ";
    s += DDAxesNames::name(div_.axis());
    s += " !\n";
    s += "DDDividedTrdY::makeDDTranslation()";
    s += " IllegalConstruct: Only axes along z are allowed !";
    throw cms::Exception("DDException") << s;
  }
  return DDTranslation();
}

DDRotation DDDividedTrdZ::makeDDRotation(const int copyNo) const { return DDRotation(); }

DDLogicalPart DDDividedTrdZ::makeDDLogicalPart(const int copyNo) const {
  //---- The division along Z of a Trd will result a Trd
  DDTrap mtrd = (DDTrap)(div_.parent().solid());
  DDMaterial usemat = div_.parent().material();

  double pDx1 = mtrd.x1();  // X half length1
  double DDx = (mtrd.x2() - mtrd.x1());
  double pDy1 = mtrd.y1();  // Y half length1
  double DDy = (mtrd.y2() - mtrd.y1());
  double pDz = compWidth_ / 2.;
  double zLength = 2 * mtrd.halfZ();  // Z half length

  DDName solname(div_.parent().ddname().name() + "_DIVCHILD" + std::to_string(copyNo), div_.parent().ddname().ns());
  DDSolid dsol = DDSolidFactory::trap(solname,
                                      pDz,
                                      0._deg,
                                      0._deg,
                                      pDy1 + DDy * (div_.offset() + copyNo * compWidth_) / zLength,
                                      pDx1 + DDx * (div_.offset() + copyNo * compWidth_) / zLength,
                                      pDx1 + DDx * (div_.offset() + copyNo * compWidth_) / zLength,
                                      0._deg,
                                      pDy1 + DDy * (div_.offset() + (copyNo + 1) * compWidth_) / zLength,
                                      pDx1 + DDx * (div_.offset() + (copyNo + 1) * compWidth_) / zLength,
                                      pDx1 + DDx * (div_.offset() + (copyNo + 1) * compWidth_) / zLength,
                                      0._deg);

  DDLogicalPart ddlp(solname, usemat, dsol);
  return ddlp;
}

void DDDividedTrdZ::checkParametersValidity(void) {
  DDDividedGeometryObject::checkParametersValidity();

  DDTrap mtrd = (DDTrap)(div_.parent().solid());

  double mpTheta = mtrd.theta();
  double mpPhi = mtrd.phi();
  double mpAlpha1 = mtrd.alpha1();
  double mpAlpha2 = mtrd.alpha2();

  // mec:  we only have traps, not trds in DDD, so I added this check
  // to make sure it is only a trd (I think! :-))
  if (mpAlpha1 != 0._deg || mpAlpha2 != 0._deg || mpTheta != 0._deg || mpPhi != 0._deg) {
    std::string s = "ERROR - DDDividedTrdZ::checkParametersValidity()";
    s += "\n        Making a division of a TRD along axis X,";
    s += "\n        while the theta, phi and aplhpa2 are not zero,";
    s += "\n        is not (yet) supported. It will result";
    s += "\n        in non-equal division solids.";
    throw cms::Exception("DDException") << s;
  }
}