--- trunk/src/io/DumpReader.cpp	2005/03/10 15:10:24	417
+++ trunk/src/io/DumpReader.cpp	2005/09/15 19:17:04	601
@@ -1,4 +1,4 @@
- /*
+/*
  * Copyright (c) 2005 The University of Notre Dame. All Rights Reserved.
  *
  * The University of Notre Dame grants you ("Licensee") a
@@ -70,32 +70,32 @@ namespace oopse {
 namespace oopse {
   
   DumpReader::DumpReader(SimInfo* info, const std::string& filename)
-  : info_(info), filename_(filename), isScanned_(false), nframes_(0) {
+    : info_(info), filename_(filename), isScanned_(false), nframes_(0) {
     
 #ifdef IS_MPI
     
-    if (worldRank == 0) {
+      if (worldRank == 0) {
 #endif
       
-      inFile_ = fopen(filename_.c_str(), "r");
+	inFile_ = fopen(filename_.c_str(), "r");
       
-      if (inFile_ == NULL) {
-        sprintf(painCave.errMsg, "DumpReader: Cannot open file: %s\n", filename_.c_str());
-        painCave.isFatal = 1;
-        simError();
-      }
+	if (inFile_ == NULL) {
+	  sprintf(painCave.errMsg, "DumpReader: Cannot open file: %s\n", filename_.c_str());
+	  painCave.isFatal = 1;
+	  simError();
+	}
       
 #ifdef IS_MPI
       
-    }
+      }
     
-    strcpy(checkPointMsg, "Dump file opened for reading successfully.");
-    MPIcheckPoint();
+      strcpy(checkPointMsg, "Dump file opened for reading successfully.");
+      MPIcheckPoint();
     
 #endif
     
-    return;
-  }
+      return;
+    }
   
   DumpReader::~DumpReader() {
     
@@ -219,6 +219,9 @@ namespace oopse {
   }
   
   void DumpReader::readFrame(int whichFrame) {
+    if (!isScanned_)
+      scanFile();
+        
     int storageLayout = info_->getSnapshotManager()->getStorageLayout();
     
     if (storageLayout & DataStorage::dslPosition) {