Adding hitmaps to the Timepix3 event loader.

src/modules/EventLoaderTimepix3/EventLoaderTimepix3.cpp

@@ -199,6 +199,16 @@ void EventLoaderTimepix3::initialise() {
         LOG(INFO) << "No calibration file path or no DUT name given; data will be uncalibrated.";
         applyCalibration = false;
     }
+    // Make debugging plots
+    std::string title = m_detector->name() + " Hit map;x [px];y [px];pixels";
+    hHitMap = new TH2F("hitMap",
+                       title.c_str(),
+                       m_detector->nPixels().X(),
+                       0,
+                       m_detector->nPixels().X(),
+                       m_detector->nPixels().Y(),
+                       0,
+                       m_detector->nPixels().Y());
 }
 
 StatusCode EventLoaderTimepix3::run(std::shared_ptr<Clipboard> clipboard) {
@@ -606,6 +616,7 @@ bool EventLoaderTimepix3::loadData(std::shared_ptr<Clipboard> clipboard, Pixels*
                 Pixel* pixel = new Pixel(detectorID, row, col, static_cast<int>(tot), ftimestamp);
                 pixel->setCharge(fcharge);
                 devicedata->push_back(pixel);
+                hHitMap->Fill(col, row);
                 LOG(DEBUG) << "Pixel Charge = " << fcharge << "; ToT value = " << tot;
                 pixelToT_aftercalibration->Fill(fcharge);
             } else {
@@ -613,6 +624,7 @@ bool EventLoaderTimepix3::loadData(std::shared_ptr<Clipboard> clipboard, Pixels*
                 // creating new pixel object with non-calibrated values of tot and toa
                 Pixel* pixel = new Pixel(detectorID, row, col, static_cast<int>(tot), timestamp);
                 devicedata->push_back(pixel);
+                hHitMap->Fill(col, row);
             }
 
             m_prevTime = time;

src/modules/EventLoaderTimepix3/EventLoaderTimepix3.h

@@ -27,6 +27,7 @@ namespace corryvreckan {
         std::shared_ptr<Detector> m_detector;
 
         // ROOT graphs
+        TH2F* hHitMap;
         TH1F* pixelToT_beforecalibration;
         TH1F* pixelToT_aftercalibration;
         TH2F* pixelTOTParameterA;

src/modules/EventLoaderTimepix3/README.md

@@ -23,6 +23,7 @@ This module requires either another event loader of another detector type before
 * `threshold`: String defining the `[threshold]` DAC value for loading the appropriate calibration file, See above.
 
 ### Plots produced
+* 2D map of pixel hits
 * Histogram with pixel ToT before and after calibration
 * Map for each calibration parameter if calibration is used