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00001 /***************************************************************************
00002                           DDLDivision.cc  -  description
00003                              -------------------
00004     begin                : Friday, April 23, 2004
00005     email                : case@ucdhep.ucdavis.edu
00006  ***************************************************************************/
00007 
00008 /***************************************************************************
00009  *                                                                         *
00010  *           DDDParser sub-component of DDD                                *
00011  *                                                                         *
00012  ***************************************************************************/
00013 
00014 #include "DetectorDescription/Parser/src/DDLDivision.h"
00015 #include "DetectorDescription/Parser/src/DDDividedBox.h"
00016 #include "DetectorDescription/Parser/src/DDDividedTubs.h"
00017 #include "DetectorDescription/Parser/src/DDDividedTrd.h"
00018 #include "DetectorDescription/Parser/src/DDDividedCons.h"
00019 #include "DetectorDescription/Parser/src/DDDividedPolycone.h"
00020 #include "DetectorDescription/Parser/src/DDDividedPolyhedra.h"
00021 
00022 #include "DetectorDescription/Core/interface/DDName.h"
00023 #include "DetectorDescription/Core/interface/DDAxes.h"
00024 #include "DetectorDescription/Core/interface/DDSolid.h"
00025 #include "DetectorDescription/Core/interface/DDSolidShapes.h"
00026 #include "DetectorDescription/Core/interface/DDLogicalPart.h"
00027 #include "DetectorDescription/Base/interface/DDdebug.h"
00028 
00029 #include "DetectorDescription/ExprAlgo/interface/ExprEvalSingleton.h"
00030 
00031 DDLDivision::DDLDivision( DDLElementRegistry* myreg )
00032   : DDXMLElement( myreg )
00033 {}
00034 
00035 DDLDivision::~DDLDivision( void )
00036 {}
00037 
00038 void
00039 DDLDivision::preProcessElement( const std::string& name, const std::string& nmspace, DDCompactView& cpv )
00040 {}
00041 
00042 void
00043 DDLDivision::processElement( const std::string& name, const std::string& nmspace, DDCompactView& cpv )
00044 {
00045   DCOUT_V('P', "DDLDivision::processElement started");
00046 
00047   DDXMLAttribute atts = getAttributeSet();
00048 
00049   DDName parent = getDDName(nmspace, "parent");
00050   ExprEvalInterface & ev = ExprEvalSingleton::instance();
00051   size_t ax = 0;
00052   while (DDAxesNames::name(DDAxes(ax)) != atts.find("axis")->second &&
00053          DDAxesNames::name(DDAxes(ax)) != "undefined")
00054     ++ax;
00055 
00056   DDLogicalPart lp(parent);
00057   if ( !lp.isDefined().second || !lp.solid().isDefined().second ) {
00058     std::string em("DetectorDescription Parser DDLDivision::processElement(...) failed.");
00059     em += "  The solid of the parent logical part MUST be defined before the Division is made.";
00060     em += "\n    name= " + getDDName(nmspace).ns() + ":" + getDDName(nmspace).name() ;
00061     em += "\n    parent= " + parent.ns() + ":" + parent.name();
00062     throwError (em);
00063   }
00064 
00065   DDDivision div;
00066 
00067   if (atts.find("nReplicas") != atts.end() 
00068       && atts.find("width")  != atts.end()
00069       && atts.find("offset") != atts.end())
00070   {
00071     div = DDDivision(getDDName(nmspace)
00072                      , parent
00073                      , DDAxes(ax)
00074                      , int(ev.eval(nmspace, atts.find("nReplicas")->second))
00075                      , ev.eval(nmspace, atts.find("width")->second)
00076                      , ev.eval(nmspace, atts.find("offset")->second));
00077   }
00078   else if (atts.find("nReplicas")  != atts.end()
00079            && atts.find("offset") != atts.end())
00080   {
00081     div = DDDivision(getDDName(nmspace)
00082                      , parent
00083                      , DDAxes(ax)
00084                      , int(ev.eval(nmspace, atts.find("nReplicas")->second))
00085                      , ev.eval(nmspace, atts.find("offset")->second));
00086   }
00087   else if (atts.find("width")     != atts.end()
00088            && atts.find("offset") != atts.end())
00089   {
00090     DCOUT_V ('D', " width = " << ev.eval(nmspace, atts.find("width")->second) << std::endl);
00091     DCOUT_V ('D', " offset = " << ev.eval(nmspace, atts.find("offset")->second) << std::endl);
00092     div = DDDivision(getDDName(nmspace)
00093                      , parent
00094                      , DDAxes(ax)
00095                      , ev.eval(nmspace, atts.find("width")->second)
00096                      , ev.eval(nmspace, atts.find("offset")->second));
00097   } else {
00098     std::string em("DetectorDescription Parser DDLDivision::processElement(...) failed.");
00099     em += "  Allowed combinations are attributes width&offset OR nReplicas&offset OR nReplicas&width&offset.";
00100     em += "\n    name= " + getDDName(nmspace).ns() + ":" + getDDName(nmspace).name() ;
00101     em += "\n    parent= " + parent.ns() + ":" + parent.name();
00102     throwError (em);
00103   }
00104   DDDividedGeometryObject* dg = makeDivider(div, &cpv);
00105   dg->execute();
00106   delete dg;
00107 
00108   clear();
00109 
00110   DCOUT_V('P', "DDLDivision::processElement completed");
00111 }
00112 
00113 DDDividedGeometryObject*
00114 DDLDivision::makeDivider( const DDDivision& div, DDCompactView* cpv )
00115 {
00116   DDDividedGeometryObject* dg = NULL;
00117 
00118   switch (div.parent().solid().shape()) 
00119   {
00120   case ddbox:
00121     if (div.axis() == x)
00122       dg = new DDDividedBoxX(div,cpv);
00123     else if (div.axis() == y)
00124       dg = new DDDividedBoxY(div,cpv);
00125     else if (div.axis() == z)
00126       dg = new DDDividedBoxZ(div,cpv);
00127     else {
00128       std::string s = "DDLDivision can not divide a ";
00129       s += DDSolidShapesName::name(div.parent().solid().shape());
00130       s += " along axis " + DDAxesNames::name(div.axis());
00131       s += ".";
00132       s += "\n    name= " + div.name().ns() + ":" + div.name().name() ;
00133       s += "\n    parent= " + div.parent().name().ns() + ":" + div.parent().name().name();
00134       throwError(s);
00135     }
00136     break;
00137 
00138   case ddtubs:
00139     if (div.axis() == rho)
00140       dg = new DDDividedTubsRho(div,cpv);
00141     else if (div.axis() == phi)
00142       dg = new DDDividedTubsPhi(div,cpv);
00143     else if (div.axis() == z)
00144       dg = new DDDividedTubsZ(div,cpv);
00145     else {
00146       std::string s = "DDLDivision can not divide a ";
00147       s += DDSolidShapesName::name(div.parent().solid().shape());
00148       s += " along axis " + DDAxesNames::name(div.axis());
00149       s += ".";
00150       s += "\n    name= " + div.name().ns() + ":" + div.name().name() ;
00151       s += "\n    parent= " + div.parent().name().ns() + ":" + div.parent().name().name();
00152       throwError(s);
00153     }
00154     break;
00155 
00156   case ddtrap:
00157     if (div.axis() == x)
00158       dg = new DDDividedTrdX(div,cpv);
00159     else if (div.axis() == y )
00160       dg = new DDDividedTrdY(div,cpv);
00161     else if (div.axis() == z )
00162       dg = new DDDividedTrdZ(div,cpv);
00163     else {
00164       std::string s = "DDLDivision can not divide a ";
00165       s += DDSolidShapesName::name(div.parent().solid().shape());
00166       s += " along axis ";
00167       s += DDAxesNames::name(div.axis());
00168       s += ".";
00169       s += "\n    name= " + div.name().ns() + ":" + div.name().name() ;
00170       s += "\n    parent= " + div.parent().name().ns() + ":" + div.parent().name().name();
00171       throwError(s);
00172     }
00173     break;
00174 
00175   case ddcons:
00176     if (div.axis() == rho)
00177       dg = new DDDividedConsRho(div,cpv);
00178     else if (div.axis() == phi)
00179       dg = new DDDividedConsPhi(div,cpv);
00180     else if (div.axis() == z)
00181       dg = new DDDividedConsZ(div,cpv);
00182     else {
00183       std::string s = "DDLDivision can not divide a ";
00184       s += DDSolidShapesName::name(div.parent().solid().shape());
00185       s += " along axis " + DDAxesNames::name(div.axis());
00186       s += ".";
00187       s += "\n    name= " + div.name().ns() + ":" + div.name().name() ;
00188       s += "\n    parent= " + div.parent().name().ns() + ":" + div.parent().name().name();
00189       throwError(s);
00190     }
00191     break;
00192 
00193   case ddpolycone_rrz:
00194     if (div.axis() == rho)
00195       dg = new DDDividedPolyconeRho(div,cpv);
00196     else if (div.axis() == phi)
00197       dg = new DDDividedPolyconePhi(div,cpv);
00198     else if (div.axis() == z)
00199       dg = new DDDividedPolyconeZ(div,cpv);
00200     else {
00201       std::string s = "DDLDivision can not divide a ";
00202       s += DDSolidShapesName::name(div.parent().solid().shape());
00203       s += " along axis ";
00204       s += DDAxesNames::name(div.axis());
00205       s += ".";
00206       s += "\n    name= " + div.name().ns() + ":" + div.name().name() ;
00207       s += "\n    parent= " + div.parent().name().ns() + ":" + div.parent().name().name();
00208       throwError(s);
00209     }
00210     break;
00211 
00212   case ddpolyhedra_rrz:
00213     if (div.axis() == rho)
00214       dg = new DDDividedPolyhedraRho(div,cpv);
00215     else if (div.axis() == phi)
00216       dg = new DDDividedPolyhedraPhi(div,cpv);
00217     else if (div.axis() == z)
00218       dg = new DDDividedPolyhedraZ(div,cpv);
00219     else {
00220       std::string s = "DDLDivision can not divide a ";
00221       s += DDSolidShapesName::name(div.parent().solid().shape());
00222       s += " along axis ";
00223       s += DDAxesNames::name(div.axis());
00224       s += ".";
00225       s += "\n    name= " + div.name().ns() + ":" + div.name().name() ;
00226       s += "\n    parent= " + div.parent().name().ns() + ":" + div.parent().name().name();
00227       throwError(s);
00228     }
00229     break;
00230 
00231   case ddpolycone_rz:
00232   case ddpolyhedra_rz: {
00233     std::string s = "ERROR:  A Polycone or Polyhedra can not be divided on any axis if it's\n";
00234     s += "original definition used r and z instead of ZSections. This has\n";
00235     s += "not (yet) been implemented.";
00236     s += "\n    name= " + div.name().ns() + ":" + div.name().name() ;
00237     s += "\n    parent= " + div.parent().name().ns() + ":" + div.parent().name().name();
00238   }
00239     break;
00240 
00241   case ddunion: 
00242   case ddsubtraction: 
00243   case ddintersection: 
00244   case ddreflected: 
00245   case ddshapeless: 
00246   case ddpseudotrap: 
00247   case ddtrunctubs:
00248   case dd_not_init: {
00249     std::string s = "DDLDivision can not divide a ";
00250     s += DDSolidShapesName::name(div.parent().solid().shape());
00251     s += " at all (yet?).  Requested axis was ";
00252     s += DDAxesNames::name(div.axis());
00253     s += ".\n";
00254     throwError(s);
00255   }
00256     break;
00257   default:
00258     break;
00259   }
00260   return dg;
00261 
00262 }