E1:=(REF(LLV(L,2*N),1)+REF(HHV(H,2*N),1))/2; E2:=(H+L)/2;{高低点出现在同一K线上时可作取舍}
H1:=(D1 AND NOT(D2 AND E1 =E2)) OR ISLASTBAR OR BARSCOUNT(C)=1;
L1:=(D2 AND NOT(D1 AND E1 E2)); H2:=D1 AND NOT(D2 AND E1 =E2);
X1:=REF(BARSLAST(H1),1)+1; F1:=BACKSET(H1 AND COUNT(L1,X1) 0,LLVBARS
(IF(L1,L,10000),X1));
G1:=F1 REF(F1,1); I1:=BACKSET(G1,2); LD:=I1 REF(I1,1);{过滤后低点}
L2:=LD OR ISLASTBAR OR BARSCOUNT(C)=1;
X2:=REF(BARSLAST(L2),1)+1; F2:=BACKSET(L2 AND COUNT(H2,X2) 0,HHVBARS
(IF(H2,H,0),X2));
G2:=F2 REF(F2,1); I2:=BACKSET(G2,2); HD:=I2 REF(I2,1);{过滤后高点}
R1:=BACKSET(ISLASTBAR,BARSLAST(HD)+1); S1:=R1 REF(R1,1); {前一高}
T1:=BACKSET(ISLASTBAR,BARSLAST(LD)+1); U1:=T1 REF(T1,1); {前一低}
R2:=BACKSET(S1,REF(BARSLAST(HD),1)+2); S2:=R2 REF(R2,1); {前二高}
T2:=BACKSET(U1,REF(BARSLAST(LD),1)+2); U2:=T2 REF(T2,1); {前二低}
T3:=BACKSET(U2,REF(BARSLAST(LD),1)+2); U3:=T3 REF(T3,1); {前三低}
T4:=BACKSET(U3,REF(BARSLAST(LD),1)+2); U4:=T4 REF(T4,1); {前四低}
R3:=BACKSET(S2,REF(BARSLAST(HD),1)+2); S3:=R3 REF(R3,1); {前三高}
R4:=BACKSET(S3,REF(BARSLAST(HD),1)+2); S4:=R4 REF(R4,1); {前四高}
DRAWLINE(S2,H,S1,H,1),COLORRED,DOTLINE;
DRAWLINE(U2,L,U1,L,1),COLORGREEN,DOTLINE;
DRAWLINE(S3,H,S2,H,1),COLORYELLOW,DOTLINE;
DRAWLINE(U3,L,U2,L,0),COLORGREEN,DOTLINE;
DRAWLINE(S4,H,S3,H,1),COLORFF00FF,DOTLINE;
长期支撑:DRAWLINE(U4,L,U3,L,0),COLORGREEN,DOTLINE;
DRAWTEXT_FIX(1,0,6,0,'☆ 股票下载网 www.9m8.cn 九毛八公式指标网 ☆'),COLOR00FFFF;
DRAWICON(S1,H*1.01,6);
DRAWICON(S2,H*1.01,6);
DRAWICON(S3,H*1.01,6);
DRAWICON(S4,H*1.01,6);
DRAWICON(U1,L*0.99,9);
DRAWICON(U2,L*0.99,9);
DRAWICON(U3,L*0.99,9);
DRAWICON(U4,L*0.99,9);