Increase step a little bit for D2 production run

Author: Sangbaek

src/main/java/org/jlab/clas/timeline/fitter/ALERTFitter.groovy

@@ -98,7 +98,7 @@ class ALERTFitter{
  			int maxBin = h1.getMaximumBin()
 			double maxY = h1.getBinContent(maxBin)
  			double peak = h1.getAxis().getBinCenter(maxBin)
- 			double step = .5f
+ 			double step = 1.0f
  			int binLow  = h1.getAxis().getBin(peak - step)
  			int binHigh = h1.getAxis().getBin(peak + step)
  			double sigma0 = ALERTFitter.getRestrictedRMS(h1, binLow, binHigh)