通达信量向前画横线并统计天数副图公式

源码：
成交量:VOL,VOLSTICK;
倍量:=V>REF(V,1)*2;
N:=BARSLAST(倍量);
常数:=CONST(IF(N=0,V,REF(V,N)));
GG:=C>O;
STICKLINE ((倍量 AND 倍量) OR (C>REF(C,1) AND C=O AND 倍量),0,V,0,0),COLORGREEN;
阴线:=C<O;
STICKLINE ((倍量 AND 阴线) OR (C<REF(C,1) AND C=O AND 倍量),0,V,0,0),COLORRED;
备注:=REFX(CROSS(常数,V),1);
最后倍量:=IF(倍量,V,0)=REFX(REF(V,BARSLAST(倍量)),BARSNEXT(ISLASTBAR));
TT:=BARSLAST(备注);
TS:=IF(ISLASTBAR AND 最后倍量,REF(TT,1)+1,TT);
条件:=IF(备注,V,0)=REFX(REF(V,TS),BARSNEXT(倍量));
天:=BARSLAST(条件);
倍量横线:IF(天<=REFX(REF(BARSNEXT(最后倍量),天),最后倍量),
DRAWLINE(条件,常数,ISLASTBAR,常数,1),DRAWNULL),COLORYELLOW,DOTLINE;
天数:IF(ISLASTBAR AND 最后倍量,REF(天,1)+1,IF(倍量横线,天,DRAWNULL)),COLORRED,NODRAW;
DRAWNUMBER(最后倍量,V,天数);