通达信关于混沌分形指标公式
附图源码，
A1:=REF(H,2)=HHV(H,7) AND REF(H,2)>MAX(REF(H,1),H);
B1:=FILTER(A1,2);
C1:=BACKSET(B1,3);
D1:=FILTER(C1,2);{高点}
A2:=REF(L,2)=LLV(L,7) AND REF(L,2)<MIN(REF(L,1),L);
B2:=FILTER(A2,2);
C2:=BACKSET(B2,3);
D2:=FILTER(C2,2);{低点}
DRAWICON(D1,H*1.005,1);
DRAWICON(D2,L*0.995,2);
================================================================
主图源码，
A1:=REF(H,2)=HHV(H,7) AND REF(H,2)>MAX(REF(H,1),H);
B1:=FILTER(A1,2);
C1:=BACKSET(B1,3);
D1:=FILTER(C1,2);{高点}
A2:=REF(L,2)=LLV(L,7) AND REF(L,2)<MIN(REF(L,1),L);
B2:=FILTER(A2,2);
C2:=BACKSET(B2,3);
D2:=FILTER(C2,2);{低点}
---------------------------------------------------------------------------
E1:=(REF(LLV(LOW,2*2),1)+REF(HHV(HIGH,2*2),1))/2;
E02:=(HIGH+LOW)/2; {高低点出现在同一K线上时可作取舍}
H1:=(D1 AND NOT((D2 AND E1>=E02))) OR ISLASTBAR OR BARSCOUNT(CLOSE)=1;
L1:=(D2 AND NOT((D1 AND E1<E02)));
H2:=D1 AND NOT((D2 AND E1>=E02));
X1:=REF(BARSLAST(H1),1)+1;
F1:=BACKSET(H1 AND COUNT(L1,X1)>0,LLVBARS(IF(L1,LOW,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(CLOSE)=1;
X2:=REF(BARSLAST(L2),1)+1;
F2:=BACKSET(L2 AND COUNT(H2,X2)>0,HHVBARS(IF(H2,HIGH,0),X2));
G2:=F2>REF(F2,1);
I2:=BACKSET(G2,2);
HD:=I2>REF(I2,1);{过滤后高点} ---所谓的过滤条件
-----------------------------------------------------------------------------
DRAWICON(HD,H*1.01,1);
DRAWICON(LD,L*0.99,2);
-----------------------------------------------------------------------------
