Refs #3686 mask pixels with no counts

mantidproject · Jan 6, 2012 · d50356f · d50356f
1 parent 92b7e41
commit d50356f
Showing 1 changed file with 14 additions and 2 deletions.
diff --git a/Code/Mantid/Framework/Algorithms/src/GetDetectorOffsets.cpp b/Code/Mantid/Framework/Algorithms/src/GetDetectorOffsets.cpp
@@ -120,8 +120,20 @@ namespace Mantid
       for (int wi=0;wi<nspec;++wi)
       {
         PARALLEL_START_INTERUPT_REGION
-        // Fit the peak
-        double offset=fitSpectra(wi);
+        double offset = 0.0;
+        const int YLength = static_cast<int>(inputW->readY(wi).size());
+        const MantidVec& Y = inputW->readY(wi);
+        double sumY = 0.0;
+        for (int i = 0; i < YLength; i++) sumY += Y[i];
+        if (sumY < 1.e-30)
+        {
+          offset=1000.;
+        }
+        else
+        {
+          // Fit the peak
+          offset=fitSpectra(wi);
+        }
         double mask=1.0;
         if (std::abs(offset) > maxOffset)
         {