@ -245,6 +245,7 @@ public:
//! check whether a particular output is still available
bool IsAvailable(unsigned int nPos) const {
fprintf(stderr,"IsAvailable(nPos=%d), vout.size()=%li, vout[%d].IsNull()=%d", nPos, vout.size(), nPos, vout[nPos].IsNull() );
return (nPos < vout.size() && !vout[nPos].IsNull());
}