| 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): Wolfgang Wittek 03/2003 <mailto:wittek@mppmu.mpg.de>
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| 19 | !
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| 20 | ! Copyright: MAGIC Software Development, 2000-2003
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| 21 | !
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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 | // MPointingCorr //
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| 28 | // //
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| 29 | // This is a task to do the pointing correction //
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| 30 | // //
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| 31 | /////////////////////////////////////////////////////////////////////////////
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| 32 |
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| 33 | #include "MPointingCorr.h"
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| 34 |
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| 35 | #include "MParList.h"
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| 36 |
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| 37 | #include "MMcEvt.hxx"
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| 38 | #include "MSrcPosCam.h"
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| 39 | #include "MGeomCam.h"
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| 40 | #include "MParameters.h"
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| 41 |
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| 42 | #include "MLog.h"
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| 43 | #include "MLogManip.h"
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| 44 |
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| 45 | ClassImp(MPointingCorr);
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| 46 |
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| 47 | // --------------------------------------------------------------------------
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| 48 | //
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| 49 | // Default constructor.
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| 50 | //
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| 51 | MPointingCorr::MPointingCorr(const char *name, const char *title,
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| 52 | const char *srcname)
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| 53 | {
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| 54 | fName = name ? name : "MPointingCorr";
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| 55 | fTitle = title ? title : "Task to do the pointing correction";
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| 56 |
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| 57 | fSrcName = srcname;
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| 58 | }
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| 59 |
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| 60 | // --------------------------------------------------------------------------
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| 61 | //
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| 62 | //
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| 63 | //
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| 64 | //
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| 65 | //
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| 66 | Int_t MPointingCorr::PreProcess(MParList *pList)
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| 67 | {
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| 68 | MGeomCam *geom = (MGeomCam*)pList->FindObject("MGeomCam");
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| 69 | if (!geom)
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| 70 | *fLog << warn << GetDescriptor() << ": No Camera Geometry available. Using mm-scale for histograms." << endl;
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| 71 | else
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| 72 | {
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| 73 | fMm2Deg = geom->GetConvMm2Deg();
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| 74 | }
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| 75 |
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| 76 |
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| 77 | fMcEvt = (MMcEvt*)pList->FindObject("MMcEvt");
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| 78 | if (!fMcEvt)
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| 79 | {
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| 80 | *fLog << dbginf << "MMcEvt not found... aborting." << endl;
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| 81 | return kFALSE;
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| 82 | }
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| 83 |
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| 84 | fHourAngle = (MParameterD*)pList->FindObject("HourAngle", "MParameterD");
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| 85 | if (!fHourAngle)
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| 86 | {
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| 87 | *fLog << dbginf << "HourAngle not found... aborting." << endl;
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| 88 | return kFALSE;
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| 89 | }
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| 90 |
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| 91 |
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| 92 | fSrcPos = (MSrcPosCam*)pList->FindObject(fSrcName, "MSrcPosCam");
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| 93 | if (!fSrcPos)
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| 94 | {
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| 95 | *fLog << err << dbginf << fSrcName << " [MSrcPosCam] not found... aborting." << endl;
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| 96 | return kFALSE;
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| 97 | }
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| 98 |
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| 99 |
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| 100 | return kTRUE;
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| 101 | }
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| 102 |
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| 103 | // --------------------------------------------------------------------------
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| 104 | //
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| 105 | // Do the pointing correction
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| 106 | //
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| 107 | // the parametrization is for Mkn421 2001 data (Daniel Kranich)
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| 108 | //
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| 109 | Int_t MPointingCorr::Process()
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| 110 | {
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| 111 | // fhourangle is the hour angle [degrees]
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| 112 | // (cx, cy) is the source position in the camera [mm]
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| 113 | //
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| 114 | Float_t fhourangle = fHourAngle->GetVal();
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| 115 |
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| 116 | //*fLog << "MPointingCorr::Process; fhourangle = "
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| 117 | // << fhourangle << endl;
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| 118 |
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| 119 | Float_t cx = -0.05132 - 0.001064 * fhourangle
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| 120 | - 3.530e-6 * fhourangle * fhourangle;
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| 121 | cx /= fMm2Deg;
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| 122 |
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| 123 | Float_t cy = -0.04883 - 0.0003175* fhourangle
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| 124 | - 2.165e-5 * fhourangle * fhourangle;
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| 125 | cy /= fMm2Deg;
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| 126 |
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| 127 | fSrcPos->SetXY(cx, cy);
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| 128 |
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| 129 | //*fLog << "MPointingCorr::Process; fhourangle, cx, cy, fMm2Deg = "
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| 130 | // << fhourangle << ", " << cx << ", " << cy << ", "
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| 131 | // << fMm2Deg << endl;
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| 132 |
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| 133 | return kTRUE;
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| 134 | }
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