Changeset 2655 for trunk/MagicSoft/Mars/mraw/MRawEvtPixelIter.cc

Timestamp:

12/11/03 17:11:34 (21 years ago)

Author:

tbretz

Message:

*** empty log message ***

File:

• trunk/MagicSoft/Mars/mraw/MRawEvtPixelIter.cc (modified) (3 diffs)

trunk/MagicSoft/Mars/mraw/MRawEvtPixelIter.cc

@@ -221 +221 @@
 // --------------------------------------------------------------------------
 //
-// Returns the index of the FADC slice the maximum signal in
+// Returns the index of the FADC slice the maximum signal in. If the highest
+// slices have the same value the last one is returned.
 //
 Byte_t MRawEvtPixelIter::GetIdxMaxHiGainSample() const
@@ -240 +241 @@
 // --------------------------------------------------------------------------
 //
-// Returns the index of the FADC slice the maximum signal in
-//
-Byte_t MRawEvtPixelIter::GetIdxMaxLoGainSample() const
-{
+// Returns the index of the FADC slice the maximum signal in. If no lo-gains
+// are available -1 is returned. If the highest slices have the same value the
+// last one is returned.
+//
+Short_t MRawEvtPixelIter::GetIdxMaxLoGainSample() const
+{
+    if (!HasLoGain())
+        return -1; // means: not found
+
     Byte_t max  = 0;
     Byte_t maxi = 0;
@@ -260 +266 @@
 //
 // Returns the index of the maximum FADC slice from high gain at first. If 
-// high gain is saturated it returns the low gain one. 
-// Att! Here the index range is from 1 to 15. 
-// 0 means that an error occured (hi-gain saturated and no lo-gain available).
+// high gain is saturated it returns the low gain one.
+// If no lo-gains are existing and the hi-gains have saturating values
+// a negative value (-1) is returned.
 // 
-
-Byte_t MRawEvtPixelIter::GetIdxMaxHiLoGainSample() const
-{
-    Byte_t maxi = 0;
-
-    if (this->GetMaxHiGainSample() == 255) 
-    {
-         if (this->HasLoGain())
-            maxi = this->GetIdxMaxLoGainSample();
-    }
-    else
-         maxi = this->GetIdxMaxHiGainSample();
-
-    return maxi+1;
+Short_t MRawEvtPixelIter::GetIdxMaxHiLoGainSample() const
+{
+    Byte_t max  = 0;
+    Char_t maxi = 0;
+
+    for (int i=fNumHiGainSamples-1; i>=0; i--)
+        if (fHiGainPos[i]>max)
+        {
+            max  = fHiGainPos[i];
+            maxi = i;
+        }
+
+    return max<0xff ? maxi : GetIdxMaxLoGainSample();
 }