ZSH:=IF(TJ8,HH,DRAWNULL);
ZSL:=IF(TJ8,LL,DRAWNULL);
STICKLINE(TJ8,ZSH,ZSL,0,-1),COLORMAGENTA;
STICKLINE(TJ8,ZSD,ZSG,IF(DISP=1,3,0),1),COLORMAGENTA;
DRAWTEXT(DISP=2,ZSH,'中枢'),COLORWHITE;
中枢高:PLOYLINE(DISP=2,REF(ZSD,BARSLAST(TJ8))),CIRCLEDOT,COLORLIRED;
中枢低:PLOYLINE(DISP=2,REF(ZSG,BARSLAST(TJ8))),CIRCLEDOT,COLORLIGREEN;
中枢最高:PLOYLINE(DISP=2,REF(ZSH,BARSLAST(TJ8))),POINTDOT,COLORRED;
中枢最低:PLOYLINE(DISP=2,REF(ZSL,BARSLAST(TJ8))),POINTDOT,COLORGREEN;
趋势高:PLOYLINE(DISP=3,ZIG(1,K*N1)),COLORLIBLUE;
趋势低:PLOYLINE(DISP=3,ZIG(2,K*N2)),COLORLIBLUE;
局部低点预选A:=BACKSET(LLV(L,5)<REF(LLV(L,4),1),4);
局部低点预选B:=BACKSET(局部低点预选A=0 AND REF(局部低点预选A,1)=1,2);
局部低点预选C:=IF(局部低点预选B=1 AND REF(局部低点预选B,1)=0,-1,0);
局部高点预选A:=BACKSET(HHV(H,5)>REF(HHV(H,4),1),4);
局部高点预选B:=BACKSET(局部高点预选A=0 AND REF(局部高点预选A,1)=1,2);
局部高点预选C:=IF(局部高点预选B=1 AND REF(局部高点预选B,1)=0,1,0);
缺口判断:=IF(L>REF(H,1),1,IF(H<REF(L,1),-1,0));
距前高天:=BARSLAST(局部高点预选C=1);
距前低天:=BARSLAST(局部低点预选C=-1);