| Int_t | fAsmCurrent | Index for current entered node (assemblies) |
| Int_t | fAsmNext | Index for next entered node (assemblies) |
| Int_t | fBoolSelected | Selected Boolean node |
| TGeoCombiTrans | fDivCombi | Combi transformation used by current division |
| Int_t | fDivCurrent | Index for the current division node |
| Int_t | fDivNext | Index for the next division node |
| TGeoRotation | fDivRot | Rotation used by current division node |
| TGeoTranslation | fDivTrans | Translation used by current division node |
| TGeoNode* | fNode | Node to which applies |
| UChar_t* | fVoxBits1 | Bits used for list intersection |
| Int_t* | fVoxCheckList | List of candidates |
| Int_t | fVoxCurrent | Index of current voxel in sorted list |
| Int_t | fVoxInc[3] | Slice index increment |
| Double_t | fVoxInvdir[3] | 1/current director cosines |
| Double_t | fVoxLimits[3] | Limits on X,Y,Z |
| Int_t | fVoxNcandidates | Number of candidates |
| Int_t | fVoxSlices[3] | Slice indices for current voxel |
| Int_t | fXtruIz | current z plane [0,fNz-1] |
| TGeoPolygon* | fXtruPoly | polygon defining section shape |
| Int_t | fXtruSeg | current segment [0,fNvert-1] |
| Double_t* | fXtruXc | [fNvert] current X positions for polygon vertices |
| Double_t* | fXtruYc | [fNvert] current Y positions for polygon vertices |