| 1 | /* ======================================================================== *\
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| 2 | !
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| 3 | ! *
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| 4 | ! * This file is part of MARS, the MAGIC Analysis and Reconstruction
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| 5 | ! * Software. It is distributed to you in the hope that it can be a useful
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| 6 | ! * and timesaving tool in analysing Data of imaging Cerenkov telescopes.
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| 7 | ! * It is distributed WITHOUT ANY WARRANTY.
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| 8 | ! *
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| 9 | ! * Permission to use, copy, modify and distribute this software and its
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| 10 | ! * documentation for any purpose is hereby granted without fee,
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| 11 | ! * provided that the above copyright notice appear in all copies and
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| 12 | ! * that both that copyright notice and this permission notice appear
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| 13 | ! * in supporting documentation. It is provided "as is" without express
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| 14 | ! * or implied warranty.
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| 15 | ! *
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| 16 | !
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| 17 | !
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| 18 | ! Author(s): Eva Domingo , 12/2004 <mailto:domingo@ifae.es>
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| 19 | ! Wolfgang Wittek, 12/2004 <mailto:wittek@mppmu.mpg.de>
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| 20 | !
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| 21 | ! Copyright: MAGIC Software Development, 2000-2005
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| 22 | !
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| 23 | !
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| 24 | \* ======================================================================== */
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| 25 |
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| 26 | /////////////////////////////////////////////////////////////////////////////
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| 27 | // //
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| 28 | // MDispCalc //
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| 29 | // //
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| 30 | // This task calculates Disp with a given parameterization //
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| 31 | // (parameters are stored in the MDispParameters container) //
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| 32 | // Also the matrix of variables to be used in the Disp //
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| 33 | // parameterization is defined //
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| 34 | // //
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| 35 | // //
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| 36 | /////////////////////////////////////////////////////////////////////////////
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| 37 | #include "MDispCalc.h"
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| 38 |
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| 39 | #include <math.h>
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| 40 | #include <TArray.h>
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| 41 |
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| 42 | #include "MGeomCam.h"
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| 43 | #include "MSrcPosCam.h"
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| 44 | #include "MHillas.h"
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| 45 | #include "MHillasExt.h"
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| 46 | #include "MNewImagePar.h"
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| 47 | #include "MMcEvt.hxx"
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| 48 | #include "MPointingPos.h"
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| 49 | #include "MImageParDisp.h"
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| 50 | #include "MDispParameters.h"
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| 51 |
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| 52 | #include "MHMatrix.h"
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| 53 |
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| 54 | #include "MParList.h"
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| 55 |
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| 56 | #include "MLog.h"
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| 57 | #include "MLogManip.h"
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| 58 |
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| 59 |
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| 60 | ClassImp(MDispCalc);
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| 61 |
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| 62 | using namespace std;
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| 63 |
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| 64 | static const Int_t nPars=5; // number of parameters used in the Disp expression
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| 65 |
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| 66 | enum dispVar_t {kSize,kWidth,kLength,kConc,kLeakage1,kLeakage2,kTotVar}; // enum variables for the
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| 67 | // matrix columns mapping
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| 68 |
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| 69 | // --------------------------------------------------------------------------
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| 70 | //
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| 71 | // constructor
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| 72 | //
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| 73 | MDispCalc::MDispCalc(const char *imagepardispname,
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| 74 | const char *dispparametersname,
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| 75 | const char *name, const char *title)
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| 76 | : fImageParDispName(imagepardispname),
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| 77 | fDispParametersName(dispparametersname),
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| 78 | fLogSize0(3.), fLength0(0.1), fWidth0(0.05),
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| 79 | fConc0(0.35), fLeakage10(0.05), fLeakage20(0.1)
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| 80 | {
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| 81 | fName = name ? name : "MDispCalc";
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| 82 | fTitle = title ? title : "Class to calculate Disp";
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| 83 |
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| 84 | // object of MDispParamteres that will hold the Disp parameters
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| 85 | fDispParameters = new MDispParameters(fDispParametersName);
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| 86 | // initialize the size of the Disp parameters and parameters stepsizes arrays
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| 87 | fDispParameters->GetParameters().Set(nPars);
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| 88 | fDispParameters->GetStepsizes().Set(nPars);
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| 89 | // set Disp parameters to their default values
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| 90 | fDispParameters->InitParameters();
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| 91 |
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| 92 | fMatrix = NULL;
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| 93 |
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| 94 | // initialize mapping array dimension to the number of columns of fMatrix
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| 95 | fMap.Set(kTotVar);
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| 96 | }
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| 97 |
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| 98 |
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| 99 | // --------------------------------------------------------------------------
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| 100 | //
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| 101 | // Default destructor.
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| 102 | //
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| 103 | MDispCalc::~MDispCalc()
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| 104 | {
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| 105 | delete fDispParameters;
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| 106 | }
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| 107 |
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| 108 |
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| 109 | // --------------------------------------------------------------------------
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| 110 | //
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| 111 | Int_t MDispCalc::PreProcess(MParList *pList)
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| 112 | {
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| 113 | // look for the defined camera geometry to get mm to deg conversion factor
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| 114 | MGeomCam *cam = (MGeomCam*)pList->FindObject("MGeomCam");
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| 115 | if (!cam)
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| 116 | {
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| 117 | *fLog << err << "MGeomCam (Camera Geometry) not found... aborting."
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| 118 | << endl;
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| 119 | return kFALSE;
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| 120 | }
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| 121 |
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| 122 | fMm2Deg = cam->GetConvMm2Deg();
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| 123 |
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| 124 |
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| 125 | // look for Disp related containers
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| 126 | fImageParDisp = (MImageParDisp*)pList->FindCreateObj("MImageParDisp",
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| 127 | fImageParDispName);
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| 128 | if (!fImageParDisp)
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| 129 | {
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| 130 | *fLog << err << fImageParDispName
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| 131 | << " [MImageParDisp] not found... aborting." << endl;
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| 132 | return kFALSE;
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| 133 | }
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| 134 |
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| 135 |
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| 136 | //-----------------------------------------------------------
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| 137 | // if fMatrix exists, skip preprocessing and just read events from matrix;
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| 138 | // if doesn't exist, read variables values from containers, so look for them
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| 139 | if (fMatrix)
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| 140 | return kTRUE;
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| 141 |
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| 142 | fSrcPos = (MSrcPosCam*)pList->FindObject("MSrcPosCam");
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| 143 | if (!fSrcPos)
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| 144 | {
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| 145 | *fLog << err << "MSrcPosCam not found... aborting." << endl;
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| 146 | return kFALSE;
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| 147 | }
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| 148 |
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| 149 | fHil = (MHillas*)pList->FindObject("MHillas");
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| 150 | if (!fHil)
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| 151 | {
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| 152 | *fLog << err << "MHillas not found... aborting." << endl;
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| 153 | return kFALSE;
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| 154 | }
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| 155 |
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| 156 | fHilExt = (MHillasExt*)pList->FindObject("MHillasExt");
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| 157 | if (!fHilExt)
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| 158 | {
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| 159 | *fLog << err << "MHillasExt not found... aborting." << endl;
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| 160 | return kFALSE;
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| 161 | }
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| 162 |
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| 163 | fNewPar = (MNewImagePar*)pList->FindObject("MNewImagePar");
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| 164 | if (!fNewPar)
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| 165 | {
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| 166 | *fLog << err << "MNewImagePar not found... aborting." << endl;
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| 167 | return kFALSE;
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| 168 | }
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| 169 |
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| 170 | fMcEvt = (MMcEvt*)pList->FindObject("MMcEvt");
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| 171 | if (!fMcEvt)
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| 172 | {
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| 173 | *fLog << err << "MMcEvt not found... This is not a MC file,"
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| 174 | << " you are not trying to optimize Disp, just calculating it."
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| 175 | << endl;
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| 176 | // return kFALSE;
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| 177 | }
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| 178 |
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| 179 | fPointing = (MPointingPos*)pList->FindObject("MPointingPos");
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| 180 | if (!fPointing)
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| 181 | {
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| 182 | *fLog << err << "MPointingPos not found... aborting." << endl;
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| 183 | return kFALSE;
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| 184 | }
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| 185 |
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| 186 | //------------------------------------------
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| 187 |
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| 188 | return kTRUE;
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| 189 | }
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| 190 |
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| 191 |
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| 192 | // --------------------------------------------------------------------------
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| 193 | //
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| 194 | // You can use this function if you want to use a MHMatrix instead of the
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| 195 | // given containers for the Disp parameterization. This function adds all
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| 196 | // necessary columns to the given matrix. Afterwards, you should fill
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| 197 | // the matrix with the corresponding data (eg from a file by using
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| 198 | // MHMatrix::Fill). Then, if you loop through the matrix (eg using
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| 199 | // MMatrixLoop), MDispCalc::Calc will take the values from the matrix
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| 200 | // instead of the containers.
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| 201 | //
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| 202 | void MDispCalc::InitMapping(MHMatrix *mat)
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| 203 | {
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| 204 | if (fMatrix)
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| 205 | return;
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| 206 |
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| 207 | fMatrix = mat;
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| 208 |
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| 209 | fMap[kSize] = fMatrix->AddColumn("MHillas.fSize");
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| 210 | fMap[kWidth] = fMatrix->AddColumn("MHillas.fWidth");
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| 211 | fMap[kLength] = fMatrix->AddColumn("MHillas.fLength");
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| 212 |
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| 213 | fMap[kConc] = fMatrix->AddColumn("MNewImagePar.fConc");
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| 214 | fMap[kLeakage1] = fMatrix->AddColumn("MNewImagePar.fLeakage1");
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| 215 | fMap[kLeakage2] = fMatrix->AddColumn("MNewImagePar.fLeakage2");
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| 216 | }
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| 217 |
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| 218 |
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| 219 | // --------------------------------------------------------------------------
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| 220 | //
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| 221 | // Returns a mapped value from the Matrix
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| 222 | //
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| 223 | Double_t MDispCalc::GetVal(Int_t i) const
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| 224 | {
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| 225 | Double_t val = (*fMatrix)[fMap[i]];
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| 226 |
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| 227 | // *fLog << "MDispCalc::GetVal; i, fMatrix, fMap, val = "
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| 228 | // << i << ", " << fMatrix << ", " << fMap[i] << ", " << val << endl;
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| 229 |
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| 230 | return val;
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| 231 | }
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| 232 |
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| 233 |
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| 234 | // ---------------------------------------------------------------------------
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| 235 | //
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| 236 | // Calculate Disp
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| 237 | //
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| 238 | //
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| 239 | Int_t MDispCalc::Process()
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| 240 | {
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| 241 | // get variables needed to compute disp from the matrix or the containers
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| 242 | const Double_t size = fMatrix ? GetVal(kSize) : fHil->GetSize();
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| 243 | const Double_t width0 = fMatrix ? GetVal(kWidth) : fHil->GetWidth();
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| 244 | const Double_t length0 = fMatrix ? GetVal(kLength) : fHil->GetLength();
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| 245 | const Double_t conc = fMatrix ? GetVal(kConc) : fNewPar->GetConc();
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| 246 | const Double_t leakage1 = fMatrix ? GetVal(kLeakage1) : fNewPar->GetLeakage1();
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| 247 | const Double_t leakage2 = fMatrix ? GetVal(kLeakage2) : fNewPar->GetLeakage2();
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| 248 |
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| 249 | // convert to deg
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| 250 | const Double_t width = width0 * fMm2Deg;
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| 251 | const Double_t length = length0 * fMm2Deg;
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| 252 |
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| 253 | // create an array to pass the variables to MDispCalc::Calc
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| 254 | TArrayD imagevars(kTotVar);
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| 255 | imagevars[kSize] = log10(size);
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| 256 | imagevars[kWidth] = width;
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| 257 | imagevars[kLength] = length;
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| 258 | imagevars[kConc] = conc;
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| 259 | imagevars[kLeakage1] = leakage1;
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| 260 | imagevars[kLeakage2] = leakage2;
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| 261 |
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| 262 | // compute Disp
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| 263 | Double_t disp = Calc(imagevars);
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| 264 |
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| 265 | // save value into MImageParDisp container
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| 266 | fImageParDisp->SetDisp(disp);
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| 267 | fImageParDisp->SetReadyToSave();
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| 268 |
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| 269 | return kTRUE;
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| 270 | }
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| 271 |
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| 272 |
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| 273 | // --------------------------------------------------------------------------
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| 274 | //
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| 275 | // Set the Disp parameterization and Calculate Disp
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| 276 | //
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| 277 | //
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| 278 | Double_t MDispCalc::Calc(TArrayD &imagevar)
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| 279 | {
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| 280 | // get parameters
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| 281 | const TArrayD& p = fDispParameters->GetParameters();
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| 282 |
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| 283 | // get image variables to be used in the Disp parameterization
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| 284 | Double_t logsize = imagevar[0];
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| 285 | Double_t width = imagevar[1];
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| 286 | Double_t length = imagevar[2];
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| 287 | // Double_t conc = imagevar[3];
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| 288 | // Double_t leakage1 = imagevar[4];
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| 289 | // Double_t leakage2 = imagevar[5];
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| 290 |
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| 291 | // Disp parameterization to be optimized
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| 292 | // Note: fLogSize0, fLength0... variables are introduced to uncorrelate as much
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| 293 | // as possible the parameters in the Disp expression, with the purpose of
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| 294 | // helping the minimization algorithm to converge. They are set approx.
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| 295 | // to their distribution mean value in the MDisp constructor, but can be
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| 296 | // changed using the corresponding set function.
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| 297 | //
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| 298 |
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| 299 | // Double_t disp = p[0] + p[1]*(logsize-fLogSize0)
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| 300 | // + (p[2] + p[3]*(logsize-fLogSize0))*width/length;
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| 301 |
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| 302 | Double_t disp = p[0] + p[1]*(logsize-fLogSize0) + p[4]*(length-fLength0)
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| 303 | + (p[2] + p[3]*(logsize-fLogSize0))*width/length;
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| 304 |
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| 305 | // Double_t disp = p[0] + p[1]*(logsize-fLogSize0) + p[4]*(length-fLength0)
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| 306 | // + (p[2] + p[3]*(logsize-fLogSize0))*length/width;
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| 307 |
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| 308 | // Double_t disp = p[0] + p[1]*(logsize-fLogSize0) + p[4]*(length-fLength0)
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| 309 | // + (p[2] + p[3]*(logsize-fLogSize0) + p[5]*(length-fLength0))*width/length;
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| 310 |
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| 311 | // Double_t disp = p[0] + p[1]*(logsize-fLogSize0) + p[4]*(width-fWidth0)
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| 312 | // + (p[2] + p[3]*(logsize-fLogSize0))*width/length; // + p[5]*(width-fWidth0))*width/length;
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| 313 |
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| 314 | // Double_t disp = p[0] + p[1]*(logsize-fLogSize0) + p[4]*(conc-fConc0)
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| 315 | // + (p[2] + p[3]*(logsize-fLogSize0))*width/length; // + p[5]*(conc-fConc0))*width/length;
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| 316 |
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| 317 | // Double_t disp = ( p[0] + p[1]*(logsize-fLogSize0)
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| 318 | // + p[2]*pow(logsize-fLogSize0,2)
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| 319 | // + p[3]*pow(logsize-fLogSize0,3)
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| 320 | // + p[4]*pow(logsize-fLogSize0,4) )
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| 321 | // *( 1/(1+width/length) );
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| 322 |
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| 323 | // Double_t disp = ( p[0] + p[1]*(logsize-fLogSize0)
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| 324 | // + p[2]*pow(logsize-fLogSize0,2)
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| 325 | // + p[3]*pow(logsize-fLogSize0,3)
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| 326 | // + p[4]*pow(logsize-fLogSize0,4) )
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| 327 | // *(1-width/length);
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| 328 |
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| 329 | return disp;
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| 330 | }
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| 331 |
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| 332 | //===========================================================================
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| 333 |
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| 334 |
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| 335 |
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| 336 |
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