[BugFix] Restricted y axis range in SBitThresh Summary Graph (#261)

* [BugFix] Restricted y axis range in SBitThresh Summary Graph
* updated `TLine` to use fixed y-axis and made code more consistent

utils/threshAlgos.py

@@ -1496,7 +1496,7 @@ def getDetName(entry):
  # make nVFATs TLines
  kneeLine= []
  for vfat in range(0,nVFATS):
- canv_Summary1D.cd(vfat + 1).SetLogy()
+ canv_Summary1D.cd(chamber_vfatPos2PadIdx[gemType][vfat]).SetLogy()
 
  # make sure the inflection point is there
  if dict_dacInflectPts[dacName][ohKey][vfat][0] == None:
@@ -1508,16 +1508,13 @@ def getDetName(entry):
  if type(graph) == r.TH1F :
  graph = r.TGraph(graph)
 
- # get maximum y value
- y = graph.GetY()
- y = np.array(y)
- ymax = np.amax(y)
+ graph.GetYaxis().SetRangeUser(1e-1,1e8)
 
  # Draw a line on the graphs
- kneeLine.append(r.TLine(dict_dacInflectPts[dacName][ohKey][vfat][0], 10.0, dict_dacInflectPts[dacName][ohKey][vfat][0], ymax) )
+ kneeLine.append(r.TLine(dict_dacInflectPts[dacName][ohKey][vfat][0], 1e-1, dict_dacInflectPts[dacName][ohKey][vfat][0], 1e8))
  kneeLine[vfat].SetLineColor(2)
  kneeLine[vfat].SetVertical()
- canv_Summary1D.cd(chamber_vfatPos2PadIdx[gemType][vfat] )
+ canv_Summary1D.cd(chamber_vfatPos2PadIdx[gemType][vfat])
  kneeLine[vfat].Draw()
  canv_Summary1D.Update()