波段副图（用压力支撑做波段 副图 源码）

input:n1(14),n(3);
aVAR2:=LLV(LOW,10);
aVAR3:=HHV(HIGH,25);
RSI1: EMA((CLOSE-aVAR2)/(aVAR3-aVAR2)*4,4);
底部:0.21;
DRAWICON( FILTER(CROSS(RSI1,底部),5),底部,10);
PARTLINE(RSI1,RSI1>ref(RSI1,1),RGB(255,0,255),RSI1<ref(RSI1,1),RGB(0,255,0)),linethick1,LAYER0;
ty:=rsi1;
A1:=REF(ty,N)=HHV(ty,2*N+1); B1:=FILTER(A1,N); C1:=BACKSET(B1,N+1); D1:=FILTER(C1,N);{高}
A2:=REF(ty,N)=LLV(ty,2*N+1); B2:=FILTER(A2,N); C2:=BACKSET(B2,N+1); D2:=FILTER(C2,N);{低}
H1:=(D1 AND NOT(D2)) OR BARSTATUS=2 OR BARSCOUNT(C)=1;
L1:=(D2 AND NOT(D1));  H2:=D1 AND NOT(D2);
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 BARSTATUS=2 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(BARSTATUS=2,BARSLAST(HD)+1); S1:=R1>REF(R1,1); {前一高}
T1:=BACKSET(BARSTATUS=2,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}
压一:DRAWLINE(S2,ty,S1,ty,1),COLORFFCC33; {★压力１:}        
撑一:DRAWLINE(U2,ty,U1,ty,1),POINTDOT,COLORFFCC33;{★支撑１:}
压二:DRAWLINE(S3,ty,S2,ty,1),Color0000FF; {★压力２:}
撑二:DRAWLINE(U3,ty,U2,ty,1),POINTDOT,Color0000FF;{★支撑２:}        
QS:=HHV(RSI1,13);
RS:=llV(RSI1,13);
Var1:=BACKSET(REF(QS,2)=HHV(QS,5),3);
Var2:=CROSS(Var1,0.9);
Var3:=BACKSET(REF(RS,2)=LLV(RS,5),3);
Var4:=CROSS(Var3,0.9);
压力:REF(QS,BARSLAST(Var2)),POINTDOT,ColorC0D9D9;
STICKLINE(RSI1,REF(QS,BARSLAST(Var2)),REF(QS,BARSLAST(Var2)),5,0),ColorC0D9D9;
支撑:REF(RS,BARSLAST(Var4)),POINTDOT,Color0087FF;