文华期货高低点自动画线指标源码-支撑压力突破预警公式

N:=10;
高点:=REF(H,N)=HHV(H,2*N+1);
低点:=REF(L,N)=LLV(L,2*N+1);
F高点:=FILTER(高点,N);
F低点:=FILTER(低点,N);
压力线:=BACKSET(F高点,N+1);
支撑线:=BACKSET(F低点,N+1);
DRAWLINE1(F高点,H,ISLASTBAR,REF(H,BARSLAST(F高点)),0),COLORGREEN,DOT;
DRAWLINE1(F低点,L,ISLASTBAR,REF(L,BARSLAST(F低点)),0),COLORBLUE,DOT;
DRAWNUMBER1(F高点,H*1.005,REF(H,BARSLAST(F高点)),0),COLORRED;
DRAWNUMBER1(F低点,L*0.995,REF(L,BARSLAST(F低点)),0),COLORGREEN;
突破:=C>REF(H,BARSLAST(F高点)) AND REF(C,1)<=REF(H,BARSLAST(F高点));
破位:=C<REF(L,BARSLAST(F低点)) AND REF(C,1)>=REF(L,BARSLAST(F低点));
DRAWTEXT(突破,L*0.9997,’突破↑’),COLORYELLOW,VALIGN0;
DRAWTEXT(破位,H*1.0001,’破位↓’),COLORGREEN;
最近压力:=REF(H,BARSLAST(F高点));
最近支撑:=REF(L,BARSLAST(F低点));
DRAWTEXT(ISLASTBAR,H,’压力↑’),COLORGREEN;
DRAWTEXT(ISLASTBAR,L,’支撑↑’),COLORBLUE,VALIGN0;