以下是通达信缠论公式画线主图源码（无源码的请下载附件导入）

低保留XA:=IF(局部低点预选C=-1 AND REF(距前高天A,1)>REF(距前低天A,1) AND LLV(L,距前高天A+1)<REF(LLV(L,距前高天A+1),1),-1,0);
低保留XB:=IF(局部低点预选C=-1 AND REF(距前高天A,1)<=REF(距前低天A,1) AND (距前高天A>=4 OR LLV(缺口判断,距前高天A)=-1 OR 判断XA=-1),-1,0);
低保留X:=IF((低保留XA=-1 OR 低保留XB=-1) AND L<REF(H,距前高天A+1),-1,0);
距前高天YA:=BARSLAST(高保留X=1);
距前低天YA:=BARSLAST(低保留X=-1);
预判YX:=IF((距前低天YA<4 AND HHV(缺口判断,距前低天YA)!=1) OR REF(低保留X,距前低天YA)=0,1,0);
判断YX:=IF(局部高点预选C=1 AND REF(距前低天YA,1)<=REF(距前高天YA,1) AND 预判YX=1 AND 大值周期>REF(小值周期,距前低天YA+1) AND 大值周期>REF(小值周期,距前低天YA) AND 大值周期>REF(大值周期,距前高天YA),1,0);
高保留YXA:=IF(局部高点预选C=1 AND REF(距前低天YA,1)>REF(距前高天YA,1) AND HHV(H,距前低天YA+1)>REF(HHV(H,距前低天YA+1),1),1,0);
高保留YXB:=IF(局部高点预选C=1 AND REF(距前低天YA,1)<=REF(距前高天YA,1) AND REF(低保留X,距前低天YA)=-1 AND (距前低天YA>=4 OR HHV(缺口判断,距前低天YA)=1),1,0);
高保留YX:=IF((高保留YXA=1 OR 高保留YXB=1 OR 判断YX=1) AND H>REF(L,距前低天YA+1),1,0);
预判YXA:=IF((距前高天YA<4 AND HHV(缺口判断,距前高天YA)!=1) OR REF(高保留YXA,距前高天YA)=0,1,0);
判断YXA:=IF(局部低点预选C=-1 AND REF(距前高天YA,1)<=REF(距前低天YA,1) AND 预判YXA=1 AND 小值周期>REF(大值周期,距前高天YA+1) AND 小值周期>REF(大值周期,距前高天YA) AND 小值周期>REF(小值周期,距前低天YA),-1,0);
低保留YXA:=IF(局部低点预选C=-1 AND REF(距前高天YA,1)>REF(距前低天YA,1) AND LLV(L,距前高天YA+1)<REF(LLV(L,距前高天YA+1),1),-1,0);
低保留YXB:=IF(局部低点预选C=-1 AND REF(距前高天YA,1)<=REF(距前低天YA,1) AND (距前高天YA>=4 OR LLV(缺口判断,距前高天YA)=-1 OR 判断YXA=-1),-1,0);
低保留YX:=IF((低保留YXA=-1 OR 低保留YXB=-1) AND L<REF(H,距前高天YA+1),-1,0);
AAAD:=IF(高保留YX=1 AND 低保留YX=-1 AND H>REF(H,REF(距前高天YA,1)+2),1,IF(高保留YX=1 AND 低保留YX=-1 AND L<REF(L,REF(距前低天YA,1)+2),-1,0));
极点保留:=IF(AAAD=0,高保留YX+低保留YX,AAAD);
局部极点:IF(极点保留=-1,L,IF(极点保留=1,H,DRAWNULL)) CIRCLEDOT COLORYELLOW;
DRAWLINE(极点保留=-1,局部极点,极点保留=1,局部极点,0)COLORLIRED;
DRAWLINE(极点保留=1,局部极点,极点保留=-1,局部极点,0)COLORYELLOW;
DD1:=BARSLAST(ABS(极点保留)!=1);{
DRAWTEXT(极点保留=1,局部极点,'卖'),COLORGREEN;
DRAWTEXT(极点保留=-1,局部极点,'买'),COLORRED;}
MA5:MA(CLOSE,5),COLORFF00FF,LINETHICK2; 判:IF(MA5<REF(MA5,1),MA5,DRAWNULL),COLORWHITE,LINETHICK2; 
 {公式在线提供：www.gszx.com.cn}