Refs #19900 fix t0 from LoadIsawDetCal

Framework/Crystal/src/SaveIsawPeaks.cpp

@@ -162,8 +162,7 @@ void SaveIsawPeaks::exec() {
     const API::Run &run = ws->run();
     double T0 = 0.0;
     if (run.hasProperty("T0")) {
-      Kernel::Property *prop = run.getProperty("T0");
-      T0 = boost::lexical_cast<double, std::string>(prop->value());
+      T0 = run.getPropertyValueAsType<double>("T0");
       if (T0 != 0) {
         g_log.notice() << "T0 = " << T0 << '\n';
       }

Framework/DataHandling/src/LoadIsawDetCal.cpp

@@ -39,12 +39,12 @@ using namespace DataObjects;
 /** Initialisation method
 */
 void LoadIsawDetCal::init() {
-  declareProperty(Kernel::make_unique<WorkspaceProperty<Workspace>>(
+  declareProperty(Kernel::make_unique<WorkspaceProperty<Workspace> >(
                       "InputWorkspace", "", Direction::InOut,
                       boost::make_shared<InstrumentValidator>()),
                   "The workspace containing the geometry to be calibrated.");
 
-  const auto exts = std::vector<std::string>({".DetCal"});
+  const auto exts = std::vector<std::string>({ ".DetCal" });
   declareProperty(
       Kernel::make_unique<API::MultipleFileProperty>("Filename", exts),
       "The input filename of the ISAW DetCal file (Two files "
@@ -133,7 +133,7 @@ void LoadIsawDetCal::exec() {
   std::string line;
   std::string detname;
   // Build a list of Rectangular Detectors
-  std::vector<boost::shared_ptr<RectangularDetector>> detList;
+  std::vector<boost::shared_ptr<RectangularDetector> > detList;
   for (int i = 0; i < inst->nelements(); i++) {
     boost::shared_ptr<RectangularDetector> det;
     boost::shared_ptr<ICompAssembly> assem;
@@ -218,7 +218,8 @@ void LoadIsawDetCal::exec() {
         alg1->setProperty<MatrixWorkspace_sptr>("OutputWorkspace", inputW);
         if (run.hasProperty("T0")) {
           double T0IDF = run.getPropertyValueAsType<double>("T0");
-          alg1->setProperty("Offset", mT0 - T0IDF);
+          mT0 += T0IDF;
+          alg1->setProperty("Offset", mT0);
         } else {
           alg1->setProperty("Offset", mT0);
         }
@@ -226,6 +227,14 @@ void LoadIsawDetCal::exec() {
         inputW = alg1->getProperty("OutputWorkspace");
         // set T0 in the run parameters
         run.addProperty<double>("T0", mT0, true);
+      } else if (inputP) {
+        API::Run &run = inputP->mutableRun();
+        if (run.hasProperty("T0")) {
+          double T0IDF = run.getPropertyValueAsType<double>("T0");
+          mT0 += T0IDF;
+        }
+        // set T0 in the run parameters
+        run.addProperty<double>("T0", mT0, true);
       }
     }
 
@@ -375,7 +384,7 @@ Instrument_sptr LoadIsawDetCal::getCheckInst(API::Workspace_sptr ws) {
 
 std::vector<std::string> LoadIsawDetCal::getFilenames() {
   std::vector<std::string> filenamesFromPropertyUnraveld;
-  std::vector<std::vector<std::string>> filenamesFromProperty =
+  std::vector<std::vector<std::string> > filenamesFromProperty =
       this->getProperty("Filename");
   for (const auto &outer : filenamesFromProperty) {
     std::copy(outer.begin(), outer.end(),