partial revert of r. 15464: this is really too slow

Geo/OCCFace.cpp

@@ -170,19 +170,24 @@ void OCCFace::secondDer(const SPoint2 &param,
 GPoint OCCFace::point(double par1, double par2) const
 {
   double pp[2] = {par1, par2};
+
+#if 1
+  gp_Pnt val = occface->Value(par1, par2);
+  return GPoint(val.X(), val.Y(), val.Z(), this, pp);
+#else // this is horribly slow!
   double umin2, umax2, vmin2, vmax2;
+
   ShapeAnalysis::GetFaceUVBounds(s, umin2, umax2, vmin2, vmax2);
 
   double du = umax2 - umin2;
   double dv = vmax2 - vmin2;
 
   if (par1 > (umax2+.1*du) || par1 < (umin2-.1*du) ||
-      par2 > (vmax2+.1*dv) || par2 < (vmin2-.1*dv))
-    {
-      GPoint p(0,0,0, this, pp);
-      p.setNoSuccess();
-      return p;
-    }
+      par2 > (vmax2+.1*dv) || par2 < (vmin2-.1*dv)){
+    GPoint p(0,0,0, this, pp);
+    p.setNoSuccess();
+    return p;
+  }
 
   try{
     gp_Pnt val;
@@ -194,6 +199,7 @@ GPoint OCCFace::point(double par1, double par2) const
     p.setNoSuccess();
     return p;
   }
+#endif
 }
 
 GPoint OCCFace::closestPoint(const SPoint3 &qp, const double initialGuess[2]) const