rePlot method
Implementation
bool rePlot( [ClipProc? proc, ClipParam? param] ){
if( proc == null ){
return _rePlot();
} else if( _info[_curIndex]._ansNum.val() <= 0 ){
return plot( proc, param! );
} else {
List<bool> ret = List.filled( 3, false );
ret[0] = _rePlot();
ret[1] = _plotPos( proc, param!, _info[_curIndex]._start );
ret[2] = _plotPos( proc, param , _info[_curIndex]._end );
return ret[0] || ret[1] || ret[2];
}
}