--- trunk/SHAPES/GridBuilder.cpp	2004/06/25 17:54:51	1306
+++ trunk/SHAPES/GridBuilder.cpp	2004/06/25 18:58:12	1308
@@ -68,9 +68,10 @@ void GridBuilder::launchProbe(int forceField, vector<d
   for (k =0; k < gridwidth; k++) {
     thetaVal = thetaMin + k*thetaStep;
     for (j=0; j < gridwidth; j++) {
-      phiVal = j*phiStep + 0.5*PI;
-      if (phiVal>=2*PI)
-        phiVal -= 2*PI;
+      //s2kit10 is actually taking a grid from -pi/2 to 3pi/3, not 0 to 2pi...
+      phiVal = j*phiStep - 0.5*PI;
+       if (phiVal<0.0)
+         phiVal += 2*PI;
 
       rbMol->setEuler(0.0, thetaVal, phiVal);