diff --git a/Framework/DataHandling/inc/MantidDataHandling/LoadRawHelper.h b/Framework/DataHandling/inc/MantidDataHandling/LoadRawHelper.h
index 2df915c33948a7b28b699e2de0936dcb3c59e87a..240ed25c78aedd207bcdad5fbda388e00d6b34e2 100644
--- a/Framework/DataHandling/inc/MantidDataHandling/LoadRawHelper.h
+++ b/Framework/DataHandling/inc/MantidDataHandling/LoadRawHelper.h
@@ -2,12 +2,12 @@
#define MANTID_DATAHANDLING_LOADRAWHELPER_H_
#include "MantidAPI/IFileLoader.h"
-#include "MantidDataObjects/Workspace2D.h"
-#include "MantidDataHandling/ISISRunLogs.h"
#include "MantidAPI/Run.h"
#include "MantidAPI/WorkspaceGroup_fwd.h"
-#include <boost/scoped_ptr.hpp>
+#include "MantidDataHandling/ISISRunLogs.h"
+#include "MantidDataObjects/Workspace2D.h"
#include <climits>
+#include <memory>
class ISISRAW;
class ISISRAW2;
@@ -52,6 +52,9 @@ class DLLExport LoadRawHelper
public:
/// Default constructor
LoadRawHelper();
+ // Define destructor in .cpp as we have unique_ptr to forward declared
+ // ISISRAW2
+ ~LoadRawHelper();
/// Algorithm's name for identification overriding a virtual method
const std::string name() const override { return "LoadRawHelper"; }
/// Algorithm's version for identification overriding a virtual method
@@ -116,10 +119,10 @@ public:
API::Algorithm *const pAlg);
/// Extract the start time from a raw file
- static Types::Core::DateAndTime extractStartTime(ISISRAW *isisRaw);
+ static Types::Core::DateAndTime extractStartTime(ISISRAW &isisRaw);
/// Extract the end time from a raw file
- static Types::Core::DateAndTime extractEndTime(ISISRAW *isisRaw);
+ static Types::Core::DateAndTime extractEndTime(ISISRAW &isisRaw);
protected:
/// Overwrites Algorithm method.
@@ -175,10 +178,6 @@ protected:
int64_t wsIndex, specnum_t nspecNum, int64_t noTimeRegimes,
int64_t lengthIn, int64_t binStart);
- /// ISISRAW class instance which does raw file reading. Shared pointer to
- /// prevent memory leak when an exception is thrown.
- boost::shared_ptr<ISISRAW2> isisRaw;
-
/// get proton charge from raw file
float getProtonCharge() const;
/// set proton charge
@@ -188,6 +187,8 @@ protected:
/// number of time regimes
int getNumberofTimeRegimes();
+ /// return an reference to the ISISRAW2 reader
+ ISISRAW2 &isisRaw() const;
/// resets the isisraw shared pointer
void reset();
@@ -226,6 +227,8 @@ private:
/// convert month label to int string
static std::string convertMonthLabelToIntStr(std::string month);
+ /// ISISRAW class instance which does raw file reading.
+ mutable std::unique_ptr<ISISRAW2> m_isis_raw;
/// Allowed values for the cache property
std::vector<std::string> m_cache_options;
/// A map for storing the time regime for each spectrum
@@ -246,7 +249,7 @@ private:
specnum_t m_total_specs;
/// A ptr to the log creator
- boost::scoped_ptr<ISISRunLogs> m_logCreator;
+ std::unique_ptr<ISISRunLogs> m_logCreator;
/// Search for the log files in the workspace, and output their names as a
/// set.
diff --git a/Framework/DataHandling/src/CreateSimulationWorkspace.cpp b/Framework/DataHandling/src/CreateSimulationWorkspace.cpp
index d15573c7a4dbcb67ed2868c6133b0cde067eb397..d2e8e8a9f30ddc6d4ba2eff1821a8b858647e3cd 100644
--- a/Framework/DataHandling/src/CreateSimulationWorkspace.cpp
+++ b/Framework/DataHandling/src/CreateSimulationWorkspace.cpp
@@ -43,9 +43,9 @@ StartAndEndTime getStartAndEndTimesFromRawFile(std::string filename) {
StartAndEndTime startAndEndTime;
startAndEndTime.startTime =
- Mantid::DataHandling::LoadRawHelper::extractStartTime(&isisRaw);
+ Mantid::DataHandling::LoadRawHelper::extractStartTime(isisRaw);
startAndEndTime.endTime =
- Mantid::DataHandling::LoadRawHelper::extractEndTime(&isisRaw);
+ Mantid::DataHandling::LoadRawHelper::extractEndTime(isisRaw);
fclose(rawFile);
return startAndEndTime;
@@ -290,7 +290,7 @@ void CreateSimulationWorkspace::loadMappingFromISISNXS(
throw std::runtime_error(
"Cannot find path to isis_vms_compat. Is the file an ISIS NeXus file?");
}
- using NXIntArray = boost::scoped_ptr<std::vector<int32_t>>;
+ using NXIntArray = std::unique_ptr<std::vector<int32_t>>;
nxsFile.openData("NDET");
NXIntArray ndets(nxsFile.getData<int32_t>());
diff --git a/Framework/DataHandling/src/LoadRaw/isisraw2.cpp b/Framework/DataHandling/src/LoadRaw/isisraw2.cpp
index 350871327feb6ae6430eb96a40022911d3a62d47..3f484643f769f512b8924968e40d2acd0ecc770f 100644
--- a/Framework/DataHandling/src/LoadRaw/isisraw2.cpp
+++ b/Framework/DataHandling/src/LoadRaw/isisraw2.cpp
@@ -17,7 +17,7 @@ Mantid::Kernel::Logger g_log("ISISRAW2");
ISISRAW2::ISISRAW2()
: ISISRAW(nullptr, false), ndes(0), outbuff(nullptr), m_bufferSize(0) {
// Determine the size of the output buffer to create from the config service.
- g_log.debug() << "Determining ioRaw buffer size\n";
+ g_log.debug("Determining ioRaw buffer size\n");
if (Mantid::Kernel::ConfigService::Instance().getValue(
"loadraw.readbuffer.size", m_bufferSize) == 0) {
m_bufferSize = 200000;
diff --git a/Framework/DataHandling/src/LoadRaw3.cpp b/Framework/DataHandling/src/LoadRaw3.cpp
index 9979ff449db48de406946bfe1599cfb0c8a80d38..8c1828847978bfc7c9639085d531c6a0105c8d2c 100644
--- a/Framework/DataHandling/src/LoadRaw3.cpp
+++ b/Framework/DataHandling/src/LoadRaw3.cpp
@@ -122,8 +122,8 @@ void LoadRaw3::exec() {
// Only run the Child Algorithms once
loadRunParameters(localWorkspace);
- const SpectrumDetectorMapping detectorMapping(isisRaw->spec, isisRaw->udet,
- isisRaw->i_det);
+ const SpectrumDetectorMapping detectorMapping(isisRaw().spec, isisRaw().udet,
+ isisRaw().i_det);
localWorkspace->updateSpectraUsing(detectorMapping);
runLoadInstrument(m_filename, localWorkspace, 0.0, 0.4);
diff --git a/Framework/DataHandling/src/LoadRawHelper.cpp b/Framework/DataHandling/src/LoadRawHelper.cpp
index 4a0ab505b986a59d4136deaf528f815c5a5eaad9..955a8de61f3b24e2588332a11f76014d014e48a8 100644
--- a/Framework/DataHandling/src/LoadRawHelper.cpp
+++ b/Framework/DataHandling/src/LoadRawHelper.cpp
@@ -22,11 +22,11 @@
#include <boost/date_time/gregorian/gregorian.hpp>
#include <boost/shared_ptr.hpp>
+#include <Poco/DateTimeFormat.h>
+#include <Poco/DateTimeParser.h>
+#include <Poco/DirectoryIterator.h>
#include <Poco/File.h>
#include <Poco/Path.h>
-#include <Poco/DirectoryIterator.h>
-#include <Poco/DateTimeParser.h>
-#include <Poco/DateTimeFormat.h>
#include <cmath>
#include <cstdio> //Required for gcc 4.4
@@ -40,12 +40,15 @@ using Types::Core::DateAndTime;
/// Constructor
LoadRawHelper::LoadRawHelper()
- : isisRaw(new ISISRAW2), m_list(false), m_interval(false), m_spec_list(),
- m_spec_min(0), m_spec_max(EMPTY_INT()), m_numberOfPeriods(0),
+ : m_list(false), m_interval(false), m_spec_list(), m_spec_min(0),
+ m_spec_max(EMPTY_INT()), m_numberOfPeriods(0), m_isis_raw(),
m_cache_options(), m_specTimeRegimes(), m_prog(0.0), m_numberOfSpectra(0),
m_monitordetectorList(), m_bmspeclist(false), m_total_specs(0),
m_logCreator() {}
+/// Destructor
+LoadRawHelper::~LoadRawHelper() {}
+
/// Initialisation method.
void LoadRawHelper::init() {
const std::vector<std::string> exts{".raw", ".s*", ".add"};
@@ -110,7 +113,7 @@ FILE *LoadRawHelper::openRawFile(const std::string &fileName) {
*/
void LoadRawHelper::readTitle(FILE *file, std::string &title) {
ioRaw(file, true);
- title = std::string(isisRaw->r_title, 80);
+ title = std::string(isisRaw().r_title, 80);
g_log.information("*** Run title: " + title + " ***");
}
/**skips the histogram from raw file
@@ -118,7 +121,7 @@ void LoadRawHelper::readTitle(FILE *file, std::string &title) {
*@param hist :: postion in the file to skip
*/
void LoadRawHelper::skipData(FILE *file, int hist) {
- isisRaw->skipData(file, hist);
+ isisRaw().skipData(file, hist);
}
void LoadRawHelper::skipData(FILE *file, int64_t hist) {
skipData(file, static_cast<int>(hist));
@@ -127,11 +130,25 @@ void LoadRawHelper::skipData(FILE *file, int64_t hist) {
/// @param file :: the file pointer
/// @param from_file :: unknown
void LoadRawHelper::ioRaw(FILE *file, bool from_file) {
- isisRaw->ioRAW(file, from_file);
+ isisRaw().ioRAW(file, from_file);
+}
+int LoadRawHelper::getNumberofTimeRegimes() {
+ return isisRaw().daep.n_tr_shift;
}
-int LoadRawHelper::getNumberofTimeRegimes() { return isisRaw->daep.n_tr_shift; }
-void LoadRawHelper::reset() { isisRaw.reset(); }
+/**
+ * Lazy-instantiation of the ISISRAW reader
+ * @return A reference to the internal ISISRAW reader instance.
+ */
+ISISRAW2 &LoadRawHelper::isisRaw() const {
+ if (!m_isis_raw) {
+ m_isis_raw.reset(new ISISRAW2);
+ }
+
+ return *m_isis_raw;
+}
+
+void LoadRawHelper::reset() { m_isis_raw.reset(); }
/**reads the histogram from raw file
* @param file :: pointer to the raw file
@@ -139,14 +156,14 @@ void LoadRawHelper::reset() { isisRaw.reset(); }
* @return flag is data is read
*/
bool LoadRawHelper::readData(FILE *file, int hist) {
- return isisRaw->readData(file, hist);
+ return isisRaw().readData(file, hist);
}
bool LoadRawHelper::readData(FILE *file, int64_t hist) {
return readData(file, static_cast<int>(hist));
}
float LoadRawHelper::getProtonCharge() const {
- return isisRaw->rpb.r_gd_prtn_chrg;
+ return isisRaw().rpb.r_gd_prtn_chrg;
}
/**
@@ -160,7 +177,7 @@ void LoadRawHelper::setProtonCharge(API::Run &run) {
* @param run :: the workspace's run object
*/
void LoadRawHelper::setRunNumber(API::Run &run) {
- std::string run_num = std::to_string(isisRaw->r_number);
+ std::string run_num = std::to_string(isisRaw().r_number);
run.addLogData(new PropertyWithValue<std::string>("run_number", run_num));
}
/**reads workspace dimensions,number of periods etc from raw data
@@ -174,15 +191,16 @@ void LoadRawHelper::readworkspaceParameters(specnum_t &numberOfSpectra,
int64_t &lengthIn,
int64_t &noTimeRegimes) {
// Read in the number of spectra in the RAW file
- m_numberOfSpectra = numberOfSpectra = static_cast<specnum_t>(isisRaw->t_nsp1);
+ m_numberOfSpectra = numberOfSpectra =
+ static_cast<specnum_t>(isisRaw().t_nsp1);
// Read the number of periods in this file
- numberOfPeriods = isisRaw->t_nper;
+ numberOfPeriods = isisRaw().t_nper;
// Read the number of time channels (i.e. bins) from the RAW file
- const int64_t channelsPerSpectrum = isisRaw->t_ntc1;
+ const int64_t channelsPerSpectrum = isisRaw().t_ntc1;
// Read in the time bin boundaries
lengthIn = channelsPerSpectrum + 1;
// Now check whether there is more than one time regime in use
- noTimeRegimes = isisRaw->daep.n_tr_shift;
+ noTimeRegimes = isisRaw().daep.n_tr_shift;
}
/**This method creates shared pointer to a workspace
* @param ws_sptr :: shared pointer to the parent workspace
@@ -387,7 +405,7 @@ void LoadRawHelper::setWorkspaceData(
// But note that the last (overflow) bin is kept
auto &Y = newWorkspace->mutableY(wsIndex);
- Y.assign(isisRaw->dat1 + binStart, isisRaw->dat1 + lengthIn);
+ Y.assign(isisRaw().dat1 + binStart, isisRaw().dat1 + lengthIn);
// Fill the vector for the errors, containing sqrt(count)
newWorkspace->setCountVariances(wsIndex, Y.rawData());
@@ -471,17 +489,18 @@ std::vector<boost::shared_ptr<HistogramData::HistogramX>>
LoadRawHelper::getTimeChannels(const int64_t ®imes,
const int64_t &lengthIn) {
auto const timeChannels = new float[lengthIn];
- isisRaw->getTimeChannels(timeChannels, static_cast<int>(lengthIn));
+ isisRaw().getTimeChannels(timeChannels, static_cast<int>(lengthIn));
std::vector<boost::shared_ptr<HistogramData::HistogramX>> timeChannelsVec;
if (regimes >= 2) {
g_log.debug() << "Raw file contains " << regimes << " time regimes\n";
// If more than 1 regime, create a timeChannelsVec for each regime
+ auto &isisRawRef = isisRaw();
for (int64_t i = 0; i < regimes; ++i) {
// Create a vector with the 'base' time channels
boost::shared_ptr<HistogramData::HistogramX> channelsVec(
new HistogramData::HistogramX(timeChannels, timeChannels + lengthIn));
- const double shift = isisRaw->daep.tr_shift[i];
+ const double shift = isisRawRef.daep.tr_shift[i];
g_log.debug() << "Time regime " << i + 1 << " shifted by " << shift
<< " microseconds\n";
// Add on the shift for this vector
@@ -492,14 +511,14 @@ LoadRawHelper::getTimeChannels(const int64_t ®imes,
}
// In this case, also need to populate the map of spectrum-regime
// correspondence
- const int64_t ndet = static_cast<int64_t>(isisRaw->i_det);
+ const int64_t ndet = static_cast<int64_t>(isisRawRef.i_det);
auto hint = m_specTimeRegimes.begin();
for (int64_t j = 0; j < ndet; ++j) {
// No checking for consistency here - that all detectors for given
// spectrum
// are declared to use same time regime. Will just use first encountered
hint = m_specTimeRegimes.insert(
- hint, std::make_pair(isisRaw->spec[j], isisRaw->timr[j]));
+ hint, std::make_pair(isisRawRef.spec[j], isisRawRef.timr[j]));
}
} else // Just need one in this case
{
@@ -524,8 +543,8 @@ void LoadRawHelper::runLoadInstrument(
m_prog = progStart;
progress(m_prog, "Loading the instrument geometry...");
- std::string instrumentID = isisRaw->i_inst; // get the instrument name
- size_t i = instrumentID.find_first_of(' '); // cut trailing spaces
+ std::string instrumentID = isisRaw().i_inst; // get the instrument name
+ size_t i = instrumentID.find_first_of(' '); // cut trailing spaces
if (i != std::string::npos)
instrumentID.erase(i);
@@ -760,71 +779,71 @@ void LoadRawHelper::createPeriodLogs(
*/
void LoadRawHelper::loadRunParameters(API::MatrixWorkspace_sptr localWorkspace,
ISISRAW *const rawFile) const {
- ISISRAW *localISISRaw(nullptr);
- if (!rawFile) {
- localISISRaw = isisRaw.get();
- } else {
- localISISRaw = rawFile;
- }
+ ISISRAW &localISISRaw = [this, rawFile]() -> ISISRAW &{
+ if (rawFile)
+ return *rawFile;
+ else
+ return this->isisRaw();
+ }();
API::Run &runDetails = localWorkspace->mutableRun();
- runDetails.addProperty("run_header", RawFileInfo::runHeader(*localISISRaw));
+ runDetails.addProperty("run_header", RawFileInfo::runHeader(localISISRaw));
// Run title is stored in a different attribute
- runDetails.addProperty("run_title", RawFileInfo::runTitle(*localISISRaw),
+ runDetails.addProperty("run_title", RawFileInfo::runTitle(localISISRaw),
true);
runDetails.addProperty("user_name",
- std::string(localISISRaw->hdr.hd_user, 20));
+ std::string(localISISRaw.hdr.hd_user, 20));
runDetails.addProperty("inst_abrv",
- std::string(localISISRaw->hdr.inst_abrv, 3));
- runDetails.addProperty("hd_dur", std::string(localISISRaw->hdr.hd_dur, 8));
+ std::string(localISISRaw.hdr.inst_abrv, 3));
+ runDetails.addProperty("hd_dur", std::string(localISISRaw.hdr.hd_dur, 8));
// Data details on run not the workspace
- runDetails.addProperty("nspectra", static_cast<int>(localISISRaw->t_nsp1));
- runDetails.addProperty("nchannels", static_cast<int>(localISISRaw->t_ntc1));
- runDetails.addProperty("nperiods", static_cast<int>(localISISRaw->t_nper));
+ runDetails.addProperty("nspectra", static_cast<int>(localISISRaw.t_nsp1));
+ runDetails.addProperty("nchannels", static_cast<int>(localISISRaw.t_ntc1));
+ runDetails.addProperty("nperiods", static_cast<int>(localISISRaw.t_nper));
// RPB struct info
- runDetails.addProperty("dur", localISISRaw->rpb.r_dur); // actual run duration
+ runDetails.addProperty("dur", localISISRaw.rpb.r_dur); // actual run duration
runDetails.addProperty(
- "durunits", localISISRaw->rpb.r_durunits); // scaler for above (1=seconds)
+ "durunits", localISISRaw.rpb.r_durunits); // scaler for above (1=seconds)
runDetails.addProperty(
"dur_freq",
- localISISRaw->rpb.r_dur_freq); // testinterval for above (seconds)
- runDetails.addProperty("dmp", localISISRaw->rpb.r_dmp); // dump interval
+ localISISRaw.rpb.r_dur_freq); // testinterval for above (seconds)
+ runDetails.addProperty("dmp", localISISRaw.rpb.r_dmp); // dump interval
runDetails.addProperty("dmp_units",
- localISISRaw->rpb.r_dmp_units); // scaler for above
+ localISISRaw.rpb.r_dmp_units); // scaler for above
runDetails.addProperty("dmp_freq",
- localISISRaw->rpb.r_dmp_freq); // interval for above
+ localISISRaw.rpb.r_dmp_freq); // interval for above
runDetails.addProperty(
"freq",
- localISISRaw->rpb.r_freq); // 2**k where source frequency = 50 / 2**k
+ localISISRaw.rpb.r_freq); // 2**k where source frequency = 50 / 2**k
runDetails.addProperty(
"gd_prtn_chrg",
static_cast<double>(
- localISISRaw->rpb.r_gd_prtn_chrg)); // good proton charge (uA.hour)
+ localISISRaw.rpb.r_gd_prtn_chrg)); // good proton charge (uA.hour)
runDetails.addProperty(
"tot_prtn_chrg",
static_cast<double>(
- localISISRaw->rpb.r_tot_prtn_chrg)); // total proton charge (uA.hour)
- runDetails.addProperty("goodfrm", localISISRaw->rpb.r_goodfrm); // good frames
- runDetails.addProperty("rawfrm", localISISRaw->rpb.r_rawfrm); // raw frames
+ localISISRaw.rpb.r_tot_prtn_chrg)); // total proton charge (uA.hour)
+ runDetails.addProperty("goodfrm", localISISRaw.rpb.r_goodfrm); // good frames
+ runDetails.addProperty("rawfrm", localISISRaw.rpb.r_rawfrm); // raw frames
runDetails.addProperty(
- "dur_wanted", localISISRaw->rpb.r_dur_wanted); // requested run duration
- // (units as for "duration"
- // above)
+ "dur_wanted", localISISRaw.rpb.r_dur_wanted); // requested run duration
+ // (units as for "duration"
+ // above)
runDetails.addProperty(
"dur_secs",
- localISISRaw->rpb.r_dur_secs); // actual run duration in seconds
+ localISISRaw.rpb.r_dur_secs); // actual run duration in seconds
runDetails.addProperty("mon_sum1",
- localISISRaw->rpb.r_mon_sum1); // monitor sum 1
+ localISISRaw.rpb.r_mon_sum1); // monitor sum 1
runDetails.addProperty("mon_sum2",
- localISISRaw->rpb.r_mon_sum2); // monitor sum 2
+ localISISRaw.rpb.r_mon_sum2); // monitor sum 2
runDetails.addProperty("mon_sum3",
- localISISRaw->rpb.r_mon_sum3); // monitor sum 3
+ localISISRaw.rpb.r_mon_sum3); // monitor sum 3
runDetails.addProperty("rb_proposal",
- localISISRaw->rpb.r_prop); // RB (proposal) number
+ localISISRaw.rpb.r_prop); // RB (proposal) number
// Note isis raw date format which is stored in DD-MMM-YYYY. Store dates in
// ISO 8601
@@ -840,14 +859,14 @@ void LoadRawHelper::loadRunParameters(API::MatrixWorkspace_sptr localWorkspace,
* @param isisRaw: pointer to the raw file
* @return the endtime
*/
-Types::Core::DateAndTime LoadRawHelper::extractEndTime(ISISRAW *isisRaw) {
- std::string isisDate = std::string(isisRaw->rpb.r_enddate, 11);
+Types::Core::DateAndTime LoadRawHelper::extractEndTime(ISISRAW &isisRaw) {
+ std::string isisDate = std::string(isisRaw.rpb.r_enddate, 11);
if (isisDate[0] == ' ')
isisDate[0] = '0';
return DateAndTime(isisDate.substr(7, 4) + "-" +
convertMonthLabelToIntStr(isisDate.substr(3, 3)) + "-" +
isisDate.substr(0, 2) + "T" +
- std::string(isisRaw->rpb.r_endtime, 8));
+ std::string(isisRaw.rpb.r_endtime, 8));
}
/**
@@ -855,14 +874,14 @@ Types::Core::DateAndTime LoadRawHelper::extractEndTime(ISISRAW *isisRaw) {
* @param isisRaw: pointer to the raw file
* @return the start time
*/
-Types::Core::DateAndTime LoadRawHelper::extractStartTime(ISISRAW *isisRaw) {
- auto isisDate = std::string(isisRaw->hdr.hd_date, 11);
+Types::Core::DateAndTime LoadRawHelper::extractStartTime(ISISRAW &isisRaw) {
+ auto isisDate = std::string(isisRaw.hdr.hd_date, 11);
if (isisDate[0] == ' ')
isisDate[0] = '0';
return DateAndTime(isisDate.substr(7, 4) + "-" +
convertMonthLabelToIntStr(isisDate.substr(3, 3)) + "-" +
isisDate.substr(0, 2) + "T" +
- std::string(isisRaw->hdr.hd_time, 8));
+ std::string(isisRaw.hdr.hd_time, 8));
}
/// To help transforming date stored in ISIS raw file into iso 8601
@@ -1079,10 +1098,11 @@ void LoadRawHelper::loadSpectra(
int64_t histCurrent = -1;
int64_t wsIndex = 0;
- int64_t numberOfPeriods = static_cast<int64_t>(isisRaw->t_nper);
+ auto &isisRawRef = isisRaw();
+ int64_t numberOfPeriods = static_cast<int64_t>(isisRawRef.t_nper);
double histTotal = static_cast<double>(total_specs * numberOfPeriods);
int64_t noTimeRegimes = getNumberofTimeRegimes();
- int64_t lengthIn = static_cast<int64_t>(isisRaw->t_ntc1 + 1);
+ int64_t lengthIn = static_cast<int64_t>(isisRawRef.t_ntc1 + 1);
const int64_t periodTimesNSpectraP1 =
period * (static_cast<int64_t>(m_numberOfSpectra) + 1);