K线画三角形（通达信公式 主图 源码 测试图）

 B10304:=FILTER(A10304,3); 

 C10304:=BACKSET(B10304,3+1); 

 D10304:=FILTER(C10304,3);{高点}

A20304:=REF(LOW,3)=LLV(LOW,2*3+1); 

 B20304:=FILTER(A20304,3); 

 C20304:=BACKSET(B20304,3+1); 

 D20304:=FILTER(C20304,3);{低点}

E10304:=(REF(LLV(LOW,2*3),1)+REF(HHV(HIGH,2*3),1))/2; 

 E20304:=(HIGH+LOW)/2;{高低点出现在同一K线上时可作取舍}

H10304:=(D10304 AND NOT(D20304 AND E10304>=E20304)) OR ISLASTBAR OR BARSCOUNT(CLOSE)=1;

 H20304:=D10304 AND NOT(D20304 AND E10304>=E20304);

 L10304:=D20304 AND NOT(D10304 AND E10304=E20304);

 X10304:=REF(BARSLAST(H10304),1)+1; 

 F10304:=BACKSET(H10304 AND COUNT(L10304,X10304)>0,LLVBARS(IF(L10304,LOW,10000),X10304));

 G10304:=F10304>REF(F10304,1); 

 I10304:=BACKSET(G10304,2); 

 LD0304:=I10304>REF(I10304,1);{过滤后低点}

L20304:=LD0304 OR ISLASTBAR OR BARSCOUNT(CLOSE)=1;

 X20304:=REF(BARSLAST(L20304),1)+1; 

 F2:=BACKSET(L20304 AND COUNT(H20304,X20304)>0,HHVBARS(IF(H20304,HIGH,0),X20304));

 G20304:=F2>REF(F2,1); I2:=BACKSET(G20304,2); 

 HD0304:=I2>REF(I2,1);{过滤后高点}

J1:=BACKSET(ISLASTBAR,MIN(BARSLAST(HD0304),BARSLAST(LD0304))+1); 

 J2:=J1>REF(J1,1);

 A3:=H;

 B3:=REF(H,REF(BARSLAST(HD0304),1)+1)>REF(H,REF(BARSLAST(HD0304),1)+2+REF(BARSLAST(HD0304),REF(BARSLAST(HD0304),1)+2));

 D3:=A3 AND B3 AND HD0304; 

 E3:=BACKSET(D3,REF(BARSLAST(HD0304),1)+2); 

 HH:=E3>REF(E3,1);{找出全部长期高点}

A4:=L>REF(L,REF(BARSLAST(LD0304),1)+1);

 B4:=REF(L,REF(BARSLAST(LD0304),1)+1); 

 D4:=A4 AND B4 AND LD0304; 

 E4:=BACKSET(D4,REF(BARSLAST(LD0304),1)+2); 

 LL:=E4>REF(E4,1);{找出全部长期低点}

H3:=HH OR ISLASTBAR OR BARSCOUNT(C)=1; {后面进行过滤，方法同前。只是不用考虑高低点出现在同一K线}

X3:=REF(BARSLAST(H3),1)+1; 

 F3:=BACKSET(H3 AND COUNT(LL,X3)>0,LLVBARS(IF(LL,L,POW(10,20)),X3));

 G3:=F3>REF(F3,1); 

 I3:=BACKSET(G3,2);

 LZ:=I3>REF(I3,1); {长期低点，也可供引用}

L4:=LZ OR ISLASTBAR OR BARSCOUNT(C)=1;

 X4:=REF(BARSLAST(L4),1)+1; 

 F4:=BACKSET(L4 AND COUNT(HH,X4)>0,HHVBARS(IF(HH,H,-POW(10,20)),X4));

 G4:=F4>REF(F4,1); 

 I4:=BACKSET(G4,2); 

 HZ:=I4>REF(I4,1);{长期高点，也可供引用}

K1:=BACKSET(ISLASTBAR,MIN(BARSLAST(HZ),BARSLAST(LZ))+1); 

 K2:=K1>REF(K1,1);

 UU:=BACKSET(ISLASTBAR,BARSLAST(LD0304)+1);

 VV:=UU>REF(UU,1);

 WW:=BACKSET(VV,REF(BARSLAST(LD0304),1)+2);

 XX:=WW>REF(WW,1);

 UU2:=BACKSET(ISLASTBAR,BARSLAST(HD0304)+1);

 VV2:=UU2>REF(UU2,1);

 WW2:=BACKSET(VV2,REF(BARSLAST(HD0304),1)+2);

 XX20304:=WW2>REF(WW2,1);

前一低:=REF(L,BARSLAST(VV)),COLOR99FF66,LINETHICK2;

前二低:=REF(L,BARSLAST(XX)),COLORFF66FF,LINETHICK2;

前一高:=REF(H,BARSLAST(VV2)),COLOR99FF66,LINETHICK2;

前二高:=REF(H,BARSLAST(XX20304)),COLORFF66FF,LINETHICK2;

短高:=REF(H,BARSLAST(VV2));短低:=REF(L,BARSLAST(VV));

短比:=(C-短低)/(短高-短低),NODRAW;{以下语句为三角形部分}

底:REF(L,BARSLAST(VV)),COLORRED,LINETHICK2; 

顶:REF(H,BARSLAST(VV2)),COLORGREEN,LINETHICK2;

 {下迭三角形}

STICKLINE(VV,顶,底,0,0),COLORFF6633,LINETHICK3;

 DRAWLINE(VV2,H,VV,L,0),COLORBLUE,LINETHICK3;{斜}

DRAWLINE(VV2,H,VV,顶,0),COLORFF6633,LINETHICK3;{顶}

DRAWTEXT(ISLASTBAR,顶,STRCAT((''),CON2STR(顶,2))),COLORGREEN;

 DRAWTEXT(ISLASTBAR,底,STRCAT((''),CON2STR(底,2))),COLORRED;

{上涨三角形}

STICKLINE(VV2 ,顶,底,0,0),COLORRED,LINETHICK3;

 DRAWLINE(VV,L,VV2,H,0),COLORRED,LINETHICK3;{斜}

DRAWLINE(VV,L,VV2,底,0),COLORRED,LINETHICK3;