Index: branches/Corsika7500Compatibility/msim/MPhotonEvent.cc
===================================================================
--- branches/Corsika7500Compatibility/msim/MPhotonEvent.cc	(revision 18455)
+++ branches/Corsika7500Compatibility/msim/MPhotonEvent.cc	(revision 18526)
@@ -559,5 +559,5 @@
    fInFormat->Read(bunchHeader, 3 * sizeof(Int_t));
 
-   this->resize( bunchHeader[2] );   
+   this->Resize( bunchHeader[2] );   
 
    Int_t n = 0;
@@ -582,9 +582,55 @@
 }
 
+Int_t MPhotonEvent::ReadEventIoEvtCompact(MCorsikaFormat *fInFormat)
+{
+	//Int_t bunchHeader[3];
+	//fInFormat->Read(bunchHeader, 3*sizeof(Int_t));
+	short array;
+	short tel;
+	float photon;
+	fInFormat->Read(&array, sizeof(array));
+	fInFormat->Read(&tel, sizeof(tel));
+	fInFormat->Read(&photon, sizeof(photon));
+
+	std::cout << "ReadEventIO Evt Compact  (Header) :  " << array << "  -  " << tel << "  -  " << photon << std::endl;
+
+	this->Resize( (int)photon );
+
+	int nbunches;
+	fInFormat->Read(&nbunches, sizeof(int));
+	std::cout << "ReadEventIO Evt Compact  (nbunches) :  " << nbunches << std::endl;
+
+	Int_t  n = 0;
+
+	for(int bunch = 0; bunch < (int)nbunches; bunch++)
+	{
+		short buffer[8];
+		float floatBuffer[8];
+		fInFormat->Read(buffer, 8 * sizeof(short));
+		
+
+		std::cout << "\nBunch: " << bunch << "  with: ";
+		for(int i=0; i<8; i++)
+		{
+			std::cout << ",  " <<buffer[i];
+			floatBuffer[i] = static_cast<float>(buffer[i]);
+		}
+
+		if(Add(n).FillEventIO(floatBuffer))
+			n++;
+	}
+	Resize(n);
+	fData.UnSort();
+	
+	SetReadyToSave();
+
+	return kTRUE;
+}
+
 Int_t MPhotonEvent::ReadCorsikaEvt(Float_t * data, Int_t numEvents, Int_t arrayIdx)
 {
    Int_t n = 0;
 
-   this->resize(numEvents);
+   this->Resize(numEvents);
 
    for (Int_t event = 0; event < numEvents; event++)
Index: branches/Corsika7500Compatibility/msim/MPhotonEvent.h
===================================================================
--- branches/Corsika7500Compatibility/msim/MPhotonEvent.h	(revision 18455)
+++ branches/Corsika7500Compatibility/msim/MPhotonEvent.h	(revision 18526)
@@ -63,4 +63,5 @@
     // I/O
     Int_t ReadEventIoEvt(MCorsikaFormat *fInFormat);
+    Int_t ReadEventIoEvtCompact(MCorsikaFormat *fInFormat);
     Int_t ReadCorsikaEvt(Float_t * data, Int_t numEvents, Int_t arrayIdx);