Revision 9e59149c74ae44ae46b0e3d286dd88bc48b6210a authored by Fons Rademakers on 01 July 2006, 11:39:37 UTC, committed by Fons Rademakers on 01 July 2006, 11:39:37 UTC
TTreeFilePrefetch -> TTreeCache. git-svn-id: http://root.cern.ch/svn/root/trunk@15648 27541ba8-7e3a-0410-8455-c3a389f83636
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TGeoMatrix.h
// @(#)root/geom:$Name: $:$Id: TGeoMatrix.h,v 1.24 2006/02/23 13:23:07 brun Exp $
// Author: Andrei Gheata 25/10/01
/*************************************************************************
* Copyright (C) 1995-2000, Rene Brun and Fons Rademakers. *
* All rights reserved. *
* *
* For the licensing terms see $ROOTSYS/LICENSE. *
* For the list of contributors see $ROOTSYS/README/CREDITS. *
*************************************************************************/
#ifndef ROOT_TGeoMatrix
#define ROOT_TGeoMatrix
/*************************************************************************
* Geometrical transformations. TGeoMatrix - base class, TGeoTranslation *
* TGeoRotation, TGeoScale, TGeoCombiTrans, TGeoGenTrans . *
* *
*************************************************************************/
#ifndef ROOT_TNamed
#include "TNamed.h"
#endif
//--- globals
const Double_t kNullVector[3] = {0.0, 0.0, 0.0};
const Double_t kIdentityMatrix[3*3] = {1.0, 0.0, 0.0,
0.0, 1.0, 0.0,
0.0, 0.0, 1.0};
const Double_t kUnitScale[3] = {1.0, 1.0, 1.0};
/*************************************************************************
* TGeoMatrix - base class for geometrical transformations. *
*
*
*************************************************************************/
class TGeoMatrix : public TNamed
{
public:
enum EGeoTransfTypes {
kGeoIdentity = 0,
kGeoTranslation = BIT(17),
kGeoRotation = BIT(18),
kGeoScale = BIT(19),
kGeoReflection = BIT(20),
kGeoRegistered = BIT(21),
kGeoSavePrimitive = BIT(22),
kGeoMatrixOwned = BIT(23),
kGeoCombiTrans = kGeoTranslation | kGeoRotation,
kGeoGenTrans = kGeoTranslation | kGeoRotation | kGeoScale
};
protected:
TGeoMatrix(const TGeoMatrix &other);
public :
TGeoMatrix();
TGeoMatrix(const char *name);
virtual ~TGeoMatrix();
TGeoMatrix& operator=(const TGeoMatrix &matrix);
TGeoMatrix& operator*(const TGeoMatrix &right) const;
Bool_t operator ==(const TGeoMatrix &other) const;
Bool_t IsIdentity() const {return !TestBit(kGeoGenTrans);}
Bool_t IsTranslation() const {return TestBit(kGeoTranslation);}
Bool_t IsRotation() const {return TestBit(kGeoRotation);}
Bool_t IsReflection() const {return TestBit(kGeoReflection);}
Bool_t IsScale() const {return TestBit(kGeoScale);}
Bool_t IsCombi() const {return (TestBit(kGeoTranslation)
&& TestBit(kGeoRotation));}
Bool_t IsGeneral() const {return (TestBit(kGeoTranslation)
&& TestBit(kGeoRotation) && TestBit(kGeoScale));}
Bool_t IsRegistered() const {return TestBit(kGeoRegistered);}
Bool_t IsRotAboutZ() const;
void GetHomogenousMatrix(Double_t *hmat) const;
char *GetPointerName() const;
virtual Int_t GetByteCount() const;
virtual const Double_t *GetTranslation() const = 0;
virtual const Double_t *GetRotationMatrix() const = 0;
virtual const Double_t *GetScale() const = 0;
virtual TGeoMatrix& Inverse() const = 0;
virtual void LocalToMaster(const Double_t *local, Double_t *master) const;
virtual void LocalToMasterVect(const Double_t *local, Double_t *master) const;
virtual void LocalToMasterBomb(const Double_t *local, Double_t *master) const;
virtual void MasterToLocal(const Double_t *master, Double_t *local) const;
virtual void MasterToLocalVect(const Double_t *master, Double_t *local) const;
virtual void MasterToLocalBomb(const Double_t *master, Double_t *local) const;
static void Normalize(Double_t *vect);
void Print(Option_t *option="") const;
virtual void RotateX(Double_t) {;}
virtual void RotateY(Double_t) {;}
virtual void RotateZ(Double_t) {;}
virtual void RegisterYourself();
void SetDefaultName();
ClassDef(TGeoMatrix, 1) // base geometrical transformation class
};
/*************************************************************************
* TGeoTranslation - class describing translations. A translation is *
* basicaly an array of 3 doubles matching the positions 12, 13 *
* and 14 in the homogenous matrix description. *
* *
*************************************************************************/
class TGeoTranslation : public TGeoMatrix
{
protected:
Double_t fTranslation[3]; // translation vector
public :
TGeoTranslation();
TGeoTranslation(const TGeoTranslation &other);
TGeoTranslation(const TGeoMatrix &other);
TGeoTranslation(Double_t dx, Double_t dy, Double_t dz);
TGeoTranslation(const char *name, Double_t dx, Double_t dy, Double_t dz);
virtual ~TGeoTranslation() {}
TGeoTranslation& operator=(const TGeoMatrix &matrix);
TGeoTranslation& operator=(const TGeoTranslation &other) {return operator=((const TGeoMatrix&)other);};
void Add(const TGeoTranslation *other);
virtual TGeoMatrix& Inverse() const;
virtual void LocalToMaster(const Double_t *local, Double_t *master) const;
virtual void LocalToMasterVect(const Double_t *local, Double_t *master) const;
virtual void MasterToLocal(const Double_t *master, Double_t *local) const;
virtual void MasterToLocalVect(const Double_t *master, Double_t *local) const;
virtual void LocalToMasterBomb(const Double_t *local, Double_t *master) const;
virtual void MasterToLocalBomb(const Double_t *master, Double_t *local) const;
virtual void RotateX(Double_t angle);
virtual void RotateY(Double_t angle);
virtual void RotateZ(Double_t angle);
virtual void SavePrimitive(ofstream &out, Option_t *option);
void Subtract(const TGeoTranslation *other);
void SetTranslation(Double_t dx, Double_t dy, Double_t dz);
void SetTranslation(const TGeoMatrix &other);
void SetDx(Double_t dx) {SetTranslation(dx, fTranslation[1], fTranslation[2]);}
void SetDy(Double_t dy) {SetTranslation(fTranslation[0], dy, fTranslation[2]);}
void SetDz(Double_t dz) {SetTranslation(fTranslation[0], fTranslation[1], dz);}
virtual const Double_t *GetTranslation() const {return &fTranslation[0];}
virtual const Double_t *GetRotationMatrix() const {return &kIdentityMatrix[0];}
virtual const Double_t *GetScale() const {return &kUnitScale[0];}
ClassDef(TGeoTranslation, 1) // translation class
};
/*************************************************************************
* TGeoRotation - class describing rotations. A rotation is a 3*3 array *
* Column vectors has to be orthogonal unit vectors.
*
*************************************************************************/
class TGeoRotation : public TGeoMatrix
{
protected:
Double_t fRotationMatrix[3*3]; // rotation matrix
void CheckMatrix();
public :
TGeoRotation();
TGeoRotation(const TGeoRotation &other);
TGeoRotation(const TGeoMatrix &other);
TGeoRotation(const char *name);
// TGeoRotation(const char *name, Double_t *matrix) ;
TGeoRotation(const char *name, Double_t alpha, Double_t beta, Double_t gamma);
TGeoRotation(const char *name, Double_t theta1, Double_t phi1, Double_t theta2, Double_t phi2,
Double_t theta3, Double_t phi3);
virtual ~TGeoRotation() {}
TGeoRotation& operator=(const TGeoMatrix &matrix);
TGeoRotation& operator=(const TGeoRotation &other) {return operator=((const TGeoMatrix&)other);};
Bool_t IsValid() const;
virtual TGeoMatrix& Inverse() const;
void Clear(Option_t *option ="");
Double_t Determinant() const;
void FastRotZ(Double_t *sincos);
void GetAngles(Double_t &theta1, Double_t &phi1, Double_t &theta2, Double_t &phi2,
Double_t &theta3, Double_t &phi3) const;
void GetAngles(Double_t &phi, Double_t &theta, Double_t &psi) const;
Double_t GetPhiRotation(Bool_t fixX=kFALSE) const;
virtual void LocalToMaster(const Double_t *local, Double_t *master) const;
virtual void LocalToMasterVect(const Double_t *local, Double_t *master) const {TGeoRotation::LocalToMaster(local, master);}
virtual void MasterToLocal(const Double_t *master, Double_t *local) const;
virtual void MasterToLocalVect(const Double_t *master, Double_t *local) const {TGeoRotation::MasterToLocal(master, local);}
virtual void LocalToMasterBomb(const Double_t *local, Double_t *master) const {TGeoRotation::LocalToMaster(local, master);}
virtual void MasterToLocalBomb(const Double_t *master, Double_t *local) const {TGeoRotation::MasterToLocal(master, local);}
void MultiplyBy(TGeoRotation *rot, Bool_t after=kTRUE);
virtual void RotateX(Double_t angle);
virtual void RotateY(Double_t angle);
virtual void RotateZ(Double_t angle);
virtual void SavePrimitive(ofstream &out, Option_t *option);
void SetAngles(Double_t phi, Double_t theta, Double_t psi);
void SetAngles(Double_t theta1, Double_t phi1, Double_t theta2, Double_t phi2,
Double_t theta3, Double_t phi3);
void SetMatrix(const Double_t *rot) {memcpy(&fRotationMatrix[0], rot, 9*sizeof(Double_t));CheckMatrix();}
void SetRotation(const TGeoMatrix &other);
void GetInverse(Double_t *invmat) const;
virtual const Double_t *GetTranslation() const {return &kNullVector[0];}
virtual const Double_t *GetRotationMatrix() const {return &fRotationMatrix[0];}
virtual const Double_t *GetScale() const {return &kUnitScale[0];}
ClassDef(TGeoRotation, 1) // rotation class
};
/*************************************************************************
* TGeoScale - class describing scale transformations. A scale is an *
* array of 3 doubles (sx, sy, sz) multiplying elements 0, 5 and 10
* of the homogenous matrix. A scale is normalized : sx*sy*sz = 1
*************************************************************************/
class TGeoScale : public TGeoMatrix
{
protected:
Double_t fScale[3]; // scale (x, y, z)
public :
TGeoScale();
TGeoScale(const TGeoScale &other);
TGeoScale(Double_t sx, Double_t sy, Double_t sz);
TGeoScale(const char *name, Double_t sx, Double_t sy, Double_t sz);
virtual ~TGeoScale();
virtual TGeoMatrix& Inverse() const;
void SetScale(Double_t sx, Double_t sy, Double_t sz);
virtual void LocalToMaster(const Double_t *local, Double_t *master) const;
Double_t LocalToMaster(Double_t dist, const Double_t *dir=0) const;
virtual void LocalToMasterVect(const Double_t *local, Double_t *master) const {TGeoScale::LocalToMaster(local, master);}
virtual void MasterToLocal(const Double_t *master, Double_t *local) const;
Double_t MasterToLocal(Double_t dist, const Double_t *dir=0) const;
virtual void MasterToLocalVect(const Double_t *master, Double_t *local) const {TGeoScale::MasterToLocal(master, local);}
virtual const Double_t *GetTranslation() const {return &kNullVector[0];}
virtual const Double_t *GetRotationMatrix() const {return &kIdentityMatrix[0];}
virtual const Double_t *GetScale() const {return &fScale[0];}
ClassDef(TGeoScale, 1) // scaling class
};
/*************************************************************************
* TGeoCombiTrans - class describing rotation + translation. Most *
* frequently used in the description of TGeoNode 's
*
*************************************************************************/
class TGeoCombiTrans : public TGeoMatrix
{
protected:
Double_t fTranslation[3]; // translation vector
TGeoRotation *fRotation; // rotation matrix
public :
TGeoCombiTrans();
TGeoCombiTrans(const TGeoCombiTrans &other);
TGeoCombiTrans(const TGeoMatrix &other);
TGeoCombiTrans(const TGeoTranslation &tr, const TGeoRotation &rot);
TGeoCombiTrans(const char *name);
TGeoCombiTrans(Double_t dx, Double_t dy, Double_t dz, TGeoRotation *rot);
TGeoCombiTrans(const char *name, Double_t dx, Double_t dy, Double_t dz, TGeoRotation *rot);
TGeoCombiTrans& operator=(const TGeoMatrix &matrix);
TGeoCombiTrans& operator=(const TGeoCombiTrans &other) {return operator=((const TGeoMatrix&)other);};
virtual ~TGeoCombiTrans();
void Clear(Option_t *option ="");
virtual TGeoMatrix& Inverse() const;
virtual void RegisterYourself();
virtual void RotateX(Double_t angle);
virtual void RotateY(Double_t angle);
virtual void RotateZ(Double_t angle);
virtual void SavePrimitive(ofstream &out, Option_t *option);
void SetTranslation(const TGeoTranslation &tr);
void SetTranslation(Double_t dx, Double_t dy, Double_t dz);
void SetTranslation(Double_t *vect);
void SetRotation(const TGeoRotation &other);
void SetRotation(const TGeoRotation *rot);
TGeoRotation *GetRotation() const {return fRotation;}
virtual const Double_t *GetTranslation() const {return &fTranslation[0];}
virtual const Double_t *GetRotationMatrix() const;
virtual const Double_t *GetScale() const {return &kUnitScale[0];}
ClassDef(TGeoCombiTrans, 1) // rotation + translation
};
/*************************************************************************
* TGeoGenTrans - most general transformation, holding a translation, *
* a rotation and a scale
*
*************************************************************************/
class TGeoGenTrans : public TGeoCombiTrans
{
protected:
Double_t fScale[3]; // scale (x, y, z)
public :
TGeoGenTrans();
TGeoGenTrans(const char *name);
TGeoGenTrans(Double_t dx, Double_t dy, Double_t dz,
Double_t sx, Double_t sy, Double_t sz, TGeoRotation *rot);
TGeoGenTrans(const char *name, Double_t dx, Double_t dy, Double_t dz,
Double_t sx, Double_t sy, Double_t sz, TGeoRotation *rot);
virtual ~TGeoGenTrans();
void Clear(Option_t *option ="");
virtual TGeoMatrix& Inverse() const;
void SetScale(Double_t sx, Double_t sy, Double_t sz);
void SetScale(Double_t *scale) {memcpy(&fScale[0], scale, 3*sizeof(Double_t));}
Bool_t Normalize();
virtual const Double_t *GetScale() const {return &fScale[0];}
ClassDef(TGeoGenTrans, 1) // rotation + translation + scale
};
/*************************************************************************
* TGeoIdentity - an identity transformation. It holds no data member *
* and returns pointers to static null translation and identity *
* transformations for rotation and scale *
* *
*************************************************************************/
class TGeoIdentity : public TGeoMatrix
{
private:
// no data members
public :
TGeoIdentity();
TGeoIdentity(const char *name);
virtual ~TGeoIdentity() {}
virtual TGeoMatrix& Inverse() const;
virtual void LocalToMaster(const Double_t *local, Double_t *master) const {memcpy(master, local, 3*sizeof(Double_t));}
virtual void LocalToMasterVect(const Double_t *local, Double_t *master) const {memcpy(master, local, 3*sizeof(Double_t));}
virtual void MasterToLocal(const Double_t *master, Double_t *local) const {memcpy(local, master, 3*sizeof(Double_t));}
virtual void MasterToLocalVect(const Double_t *master, Double_t *local) const {memcpy(local, master, 3*sizeof(Double_t));}
virtual void LocalToMasterBomb(const Double_t *local, Double_t *master) const {TGeoIdentity::LocalToMaster(local, master);}
virtual void MasterToLocalBomb(const Double_t *master, Double_t *local) const {TGeoIdentity::MasterToLocal(master, local);}
virtual const Double_t *GetTranslation() const {return &kNullVector[0];}
virtual const Double_t *GetRotationMatrix() const {return &kIdentityMatrix[0];}
virtual const Double_t *GetScale() const {return &kUnitScale[0];}
virtual void SavePrimitive(ofstream &, Option_t *) {;}
ClassDef(TGeoIdentity, 1) // identity transformation class
};
/*************************************************************************
* TGeoHMatrix - Matrix class used for computing global transformations *
* Should NOT be used for node definition. An instance of this class *
* is generally used to pile-up local transformations starting from *
* the top level physical node, down to the current node. *
*************************************************************************/
class TGeoHMatrix : public TGeoMatrix
{
private:
Double_t fTranslation[3]; // translation component
Double_t fRotationMatrix[9]; // rotation matrix
Double_t fScale[3]; // scale component
public :
TGeoHMatrix();
TGeoHMatrix(const TGeoMatrix &matrix);
TGeoHMatrix(const char *name);
virtual ~TGeoHMatrix();
TGeoHMatrix& operator=(const TGeoMatrix *matrix);
TGeoHMatrix& operator=(const TGeoMatrix &matrix);
TGeoHMatrix& operator=(const TGeoHMatrix &other) {return operator=((const TGeoMatrix&)other);};
TGeoHMatrix& operator*=(const TGeoMatrix &matrix) {Multiply(&matrix);return(*this);}
void Clear(Option_t *option ="");
Double_t Determinant() const;
virtual TGeoMatrix& Inverse() const;
void Multiply(const TGeoMatrix *right);
void MultiplyLeft(const TGeoMatrix *left);
virtual void RotateX(Double_t angle);
virtual void RotateY(Double_t angle);
virtual void RotateZ(Double_t angle);
virtual void SavePrimitive(ofstream &out, Option_t *option);
void SetTranslation(const Double_t *vect) {SetBit(kGeoTranslation); memcpy(&fTranslation[0], vect, 3*sizeof(Double_t));}
void SetRotation(const Double_t *matrix) {SetBit(kGeoRotation); memcpy(&fRotationMatrix[0], matrix, 9*sizeof(Double_t));}
void SetScale(const Double_t *scale) {SetBit(kGeoScale); memcpy(&fScale[0], scale, 3*sizeof(Double_t));}
virtual const Double_t *GetTranslation() const {return &fTranslation[0];}
virtual const Double_t *GetRotationMatrix() const {return &fRotationMatrix[0];}
virtual const Double_t *GetScale() const {return &fScale[0];}
virtual Double_t *GetTranslation() {return &fTranslation[0];}
virtual Double_t *GetRotationMatrix() {return &fRotationMatrix[0];}
virtual Double_t *GetScale() {return &fScale[0];}
ClassDef(TGeoHMatrix, 1) // global matrix class
};
R__EXTERN TGeoIdentity *gGeoIdentity;
#endif
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