BUG: Fix uninitialized memory in AtlasBuilderUsingIntensity

Change-Id: I3429388c34a1420134e7aa8850f8f3952e835e19
Merge topic 'MoreAtlasBuilderUsingIntensityMemoryLeaks'

4d50193 BUG: Fix uninitialized memory in AtlasBuilderUsingIntensity