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| 4 | //#include "FOpenDataFile.h"
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| 5 |
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| 6 | int FOpenDataFile(
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| 7 | fits &datafile,
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| 8 | vector<int16_t> &data,
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| 9 | vector<int16_t> &data_offset,
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| 10 | unsigned int &data_num,
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| 11 | size_t &data_n,
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| 12 | UInt_t &data_roi,
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| 13 | UInt_t &data_px
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| 14 | ){
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| 15 | //-------------------------------------------
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| 16 | //Print the header
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| 17 | //-------------------------------------------
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| 18 | /* cout << "-------------------- Data Header -------------------" << endl;
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| 19 | datafile.PrintKeys();
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| 20 | cout << "------------------- Data Columns -------------------" << endl;
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| 21 | datafile.PrintColumns();
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| 22 | */
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| 23 | //-------------------------------------------
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| 24 | //Get the size of the data column
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| 25 | //-------------------------------------------
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| 26 | data_roi = datafile.GetUInt("NROI"); // Value from header
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| 27 | data_px = datafile.GetUInt("NPIX");
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| 28 | data_n = datafile.GetN("Data"); //Size of column "Data" = #Pixel x ROI
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| 29 |
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| 30 | //-------------------------------------------
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| 31 | //Set the sizes of the data vectors
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| 32 | //-------------------------------------------
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| 33 | data.resize(data_n,0);
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| 34 | data_offset.resize(data_px,0);
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| 35 |
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| 36 | //-------------------------------------------
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| 37 | //Link the data to variables
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| 38 | //-------------------------------------------
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| 39 | datafile.SetRefAddress("EventNum", data_num);
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| 40 | datafile.SetVecAddress("Data", data);
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| 41 | datafile.SetVecAddress("StartCellData", data_offset);
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| 42 | datafile.GetRow(0);
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| 43 |
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| 44 | cout << "Opening data file successful..." << endl;
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| 45 | return 0;
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| 46 | }
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| 47 |
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| 48 | size_t OpenDataFile(
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| 49 | const char *datafilename, // path to fits file containing FACT raw data
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| 50 | fits * * datafile, // ptr to pointer, where to return the fits object
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| 51 | vector<int16_t> &Data, // vector, which will be filled with raw data
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| 52 | vector<int16_t> &StartCells, // vector, which will be filled with DRS start positions
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| 53 | unsigned int &EventID, // index of the current event
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| 54 | UInt_t &RegionOfInterest, // Width of the Region, read out of the DRS
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| 55 | UInt_t &NumberOfPixels, // Total number of pixel, read out of the camera
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| 56 | size_t &PXLxROI, // Size of column "Data" = #Pixel x ROI
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| 57 | // this can be used, to x-check RegionOfInterest and NumberOfPixels
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| 58 | int VerbosityLevel //
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| 59 | ) {
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| 60 | size_t NumberOfEvents;
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| 61 | *datafile = new fits(datafilename);
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| 62 | if (!(*(*datafile))) {
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| 63 | if (VerbosityLevel > 0)
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| 64 | cout << "Couldn't properly open the datafile: " << datafilename << endl;
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| 65 | return 0;
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| 66 | }
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| 67 |
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| 68 | NumberOfEvents = (*datafile)->GetNumRows();
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| 69 | if (NumberOfEvents < 1){
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| 70 | if (VerbosityLevel > 0){
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| 71 | cout << "Warning in FOpenDataFile of file: " << datafilename << endl;
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| 72 | cout << "the file contains no events." << endl;
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| 73 | }
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| 74 | }
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| 75 |
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| 76 | RegionOfInterest = (*datafile)->GetUInt("NROI");
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| 77 | NumberOfPixels = (*datafile)->GetUInt("NPIX");
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| 78 | PXLxROI = (*datafile)->GetN("Data");
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| 79 |
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| 80 | if ( RegionOfInterest * NumberOfPixels != PXLxROI) // something in the file went wrong
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| 81 | {
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| 82 | if (VerbosityLevel > 0){
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| 83 | cout << "Warning in FOpenDataFile of file: " << datafilename << endl;
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| 84 | cout << "RegionOfInterest * NumberOfPixels != PXLxROI" << endl;
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| 85 | cout << "--> " << RegionOfInterest;
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| 86 | cout << " * " << NumberOfPixels;
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| 87 | cout << " = " << RegionOfInterest * NumberOfPixels;
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| 88 | cout << ", but PXLxROI =" << PXLxROI << endl;
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| 89 | }
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| 90 | return 0;
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| 91 | }
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| 92 |
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| 93 | //Set the sizes of the data vectors
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| 94 | Data.resize(PXLxROI, 0);
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| 95 | StartCells.resize(NumberOfPixels, 0);
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| 96 |
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| 97 | //Link the data to variables
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| 98 | (*datafile)->SetRefAddress("EventNum", EventID);
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| 99 | (*datafile)->SetVecAddress("Data", Data);
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| 100 | (*datafile)->SetVecAddress("StartCellData", StartCells);
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| 101 |
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| 102 | return NumberOfEvents;
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| 103 | }
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| 104 |
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