//
//make digits histo
char ch[30];
- sprintf(ch,"Track Segment_%d level %d ",GetID(),level );
+ //sprintf(ch,"Track Segment_%d level %d ",GetID(),level );
+ snprintf(ch,30,"Track Segment_%d level %d ",GetID(),level );
if ( (fNrows<1)|| (fNcols<1)) {
return 0;
}