--- trunk/src/applications/staticProps/GofR.cpp	2005/02/16 19:36:30	353
+++ trunk/src/applications/staticProps/GofR.cpp	2005/02/17 18:30:54	361
@@ -46,8 +46,8 @@ namespace oopse {
 
 namespace oopse {
 
-GofR::GofR(SimInfo* info, const std::string& filename, const std::string& sele1, const std::string& sele2)
-    : RadialDistrFunc(info, filename, sele1, sele2){
+GofR::GofR(SimInfo* info, const std::string& filename, const std::string& sele1, const std::string& sele2, double len, int nrbins)
+    : RadialDistrFunc(info, filename, sele1, sele2), len_(len), nRBins_(nrbins){
 
     deltaR_ = len_ /nRBins_;
     
@@ -94,7 +94,7 @@ void GofR::collectHistogram(StuntDouble* sd1, StuntDou
     
     Vector3d pos1 = sd1->getPos();
     Vector3d pos2 = sd2->getPos();
-    Vector3d r12 = pos1 - pos2;
+    Vector3d r12 = pos2 - pos1;
     currentSnapshot_->wrapVector(r12);
 
     double distance = r12.length();
@@ -120,7 +120,9 @@ void GofR::writeRdf() {
         
     } else {
 
-
+        sprintf(painCave.errMsg, "GofR: unable to open %s\n", outputFilename_.c_str());
+        painCave.isFatal = 1;
+        simError();  
     }
 
     rdfStream.close();