+ throw INTERP_KERNEL::Exception("OverlapDEC: Policy not set (did you call setNature()?) or not implemented yet: only IntensiveMaximum!");
+// {
+// if(_target_field->getField()->getNature()==IntensiveConservation)
+// {
+// MCAuto<MEDCouplingFieldDouble> f;
+// int orient = getOrientation(); // From InterpolationOptions inheritance
+// if(orient == 2) // absolute areas
+// f = _target_support->getMeasureField(true);
+// else
+// if(orient == 0) // relative areas
+// f = _target_support->getMeasureField(false);
+// else
+// throw INTERP_KERNEL::Exception("OverlapDEC: orientation policy not impl. yet!");
+// _mapping.computeDenoRevIntegral(*f->getArray());
+// }
+// else
+// throw INTERP_KERNEL::Exception("OverlapDEC: Policy not implemented yet: only IntensiveMaximum and IntensiveConservation defined!");
+// }