CaloGeometryTools/src/CaloDirectionOperations.cc

0001 #include "FastSimulation/CaloGeometryTools/interface/CaloDirectionOperations.h"
0002
0003 CaloDirection CaloDirectionOperations::add2d(const CaloDirection& dir1, const CaloDirection& dir2) {
0004   //  unsigned d1=Side(dir1);
0005   //  unsigned d2=Side(dir2);
0006   constexpr CaloDirection tab[4][4] = {{NORTH, NORTHEAST, NONE, NORTHWEST},
0007                                        {NORTHEAST, EAST, SOUTHEAST, NONE},
0008                                        {NONE, SOUTHEAST, SOUTH, SOUTHWEST},
0009                                        {NORTHWEST, NONE, SOUTHWEST, WEST}};
0010   return tab[Side(dir1)][Side(dir2)];
0011 }
0012
0013 CaloDirection CaloDirectionOperations::Side(unsigned i) {
0014   constexpr CaloDirection sides[6] = {NORTH, EAST, SOUTH, WEST, UP, DOWN};
0015   //  if(i<0||i>5) return DOWN;
0016   return sides[i];
0017 }
0018
0019 unsigned CaloDirectionOperations::neighbourDirection(const CaloDirection& side) {
0020   unsigned result;
0021   switch (side) {
0022     case NORTH:
0023       result = 0;
0024       break;
0025     case EAST:
0026       result = 1;
0027       break;
0028     case SOUTH:
0029       result = 2;
0030       break;
0031     case WEST:
0032       result = 3;
0033       break;
0034     case NORTHEAST:
0035       result = 4;
0036       break;
0037     case SOUTHEAST:
0038       result = 5;
0039       break;
0040     case SOUTHWEST:
0041       result = 6;
0042       break;
0043     case NORTHWEST:
0044       result = 7;
0045       break;
0046     default:
0047       result = 999;
0048   }
0049   return result;
0050 }
0051
0052 // It should be merged with the previous one. But I am afraid to break something
0053 CaloDirection CaloDirectionOperations::neighbourDirection(unsigned i) {
0054   constexpr CaloDirection sides[8] = {NORTH, EAST, SOUTH, WEST, NORTHEAST, SOUTHEAST, SOUTHWEST, NORTHWEST};
0055   //  if(i<0||i>7) return SOUTH;
0056   return sides[i];
0057 }
0058
0059 unsigned CaloDirectionOperations::Side(const CaloDirection& side) {
0060   unsigned result;
0061   switch (side) {
0062     case NORTH:
0063       result = 0;
0064       break;
0065     case EAST:
0066       result = 1;
0067       break;
0068     case SOUTH:
0069       result = 2;
0070       break;
0071     case WEST:
0072       result = 3;
0073       break;
0074     case UP:
0075       result = 4;
0076       break;
0077     case DOWN:
0078       result = 5;
0079       break;
0080     default:
0081       result = 999;
0082   }
0083   return result;
0084 }
0085
0086 CaloDirection CaloDirectionOperations::oppositeSide(const CaloDirection& side) {
0087   CaloDirection result;
0088   switch (side) {
0089     case UP:
0090       result = DOWN;
0091       break;
0092     case DOWN:
0093       result = UP;
0094       break;
0095     case EAST:
0096       result = WEST;
0097       break;
0098     case WEST:
0099       result = EAST;
0100       break;
0101     case NORTH:
0102       result = SOUTH;
0103       break;
0104     case SOUTH:
0105       result = NORTH;
0106       break;
0107     case NORTHEAST:
0108       result = SOUTHWEST;
0109       break;
0110     case NORTHWEST:
0111       result = SOUTHEAST;
0112       break;
0113     case SOUTHEAST:
0114       result = NORTHWEST;
0115       break;
0116     case SOUTHWEST:
0117       result = NORTHEAST;
0118       break;
0119
0120     default:
0121       result = NONE;
0122   }
0123   return result;
0124 }
0125
0126 unsigned CaloDirectionOperations::oppositeDirection(unsigned iside) {
0127   constexpr unsigned od[8] = {2, 3, 0, 1, 6, 7, 4, 5};
0128   return od[iside];
0129   //  if(iside>=0&&iside<8) return od[iside];
0130   //  return 999;
0131 }