Changeset 12368

Timestamp:

11/04/11 12:44:27 (13 years ago)

Author:

neise

Message:

added another Function to open a Datafile ... see example use in fpeak_cfd.C

Location:

fact/tools/rootmacros

Files:

• FOpenDataFile.c (modified) (2 diffs)
• FOpenDataFile.h (added)

fact/tools/rootmacros/FOpenDataFile.c

@@ -1 @@
-#include <cstdio>
-int FOpenDataFile(fits &datafile, vector<int16_t> &data, vector<int16_t> &data_offset, unsigned int &data_num, size_t &data_n, UInt_t &data_roi, UInt_t &data_px)
-{
+
+
+
+//#include "FOpenDataFile.h"
+
+int FOpenDataFile(
+        fits &datafile,
+        vector<int16_t> &data,
+        vector<int16_t> &data_offset,
+        unsigned int &data_num,
+        size_t &data_n,
+        UInt_t &data_roi,
+        UInt_t &data_px
+){
 //-------------------------------------------
 //Print the header
@@ -34 +45 @@
         return 0;
 }
+
+size_t OpenDataFile(
+        const char *datafilename,               // path to fits file containing FACT raw data
+        fits * * datafile,                              // ptr to pointer, where to return the fits object
+        vector<int16_t> &Data,                  // vector, which will be filled with raw data
+        vector<int16_t> &StartCells,    // vector, which will be filled with DRS start positions
+        unsigned int &EventID,                  // index of the current event
+        UInt_t &RegionOfInterest,               // Width of the Region, read out of the DRS
+        UInt_t &NumberOfPixels,                 // Total number of pixel, read out of the camera
+        size_t &PXLxROI,                                // Size of column "Data" = #Pixel x ROI
+                        // this can be used, to x-check RegionOfInterest and NumberOfPixels
+        int VerbosityLevel                              //
+) {
+        size_t NumberOfEvents;
+        *datafile = new fits(datafilename);
+        if (!(*(*datafile))) {
+                if (VerbosityLevel > 0)
+                        cout << "Couldn't properly open the datafile: " << datafilename << endl;
+                return 0;
+        }
+
+        NumberOfEvents = (*datafile)->GetNumRows();
+        if (NumberOfEvents < 1){
+                if (VerbosityLevel > 0){
+                        cout << "Warning in FOpenDataFile of file: " << datafilename << endl;
+                        cout << "the file contains no events." << endl;
+                }
+        }
+
+        RegionOfInterest = (*datafile)->GetUInt("NROI");
+        NumberOfPixels = (*datafile)->GetUInt("NPIX");
+        PXLxROI = (*datafile)->GetN("Data");
+
+        if ( RegionOfInterest * NumberOfPixels != PXLxROI) // something in the file went wrong
+        {
+                if (VerbosityLevel > 0){
+                        cout << "Warning in FOpenDataFile of file: " << datafilename << endl;
+                        cout << "RegionOfInterest * NumberOfPixels != PXLxROI" << endl;
+                        cout << "--> " << RegionOfInterest;
+                        cout << " * " << NumberOfPixels;
+                        cout << " = " << RegionOfInterest * NumberOfPixels;
+                        cout << ", but PXLxROI =" << PXLxROI << endl;
+                }
+                return 0;
+        }
+
+        //Set the sizes of the data vectors
+        Data.resize(PXLxROI, 0);
+        StartCells.resize(NumberOfPixels, 0);
+
+        //Link the data to variables
+        (*datafile)->SetRefAddress("EventNum", EventID);
+        (*datafile)->SetVecAddress("Data", Data);
+        (*datafile)->SetVecAddress("StartCellData", StartCells);
+
+        return NumberOfEvents;
+}
+