{連結(jié)MACD相鄰紅綠柱區(qū)間內(nèi)高低點(diǎn)畫趨勢線 通達(dá)信}
DIFF:=EMA(CLOSE,12)-EMA(CLOSE,26);
DEA:=EMA(DIFF,9);
N1:=BARSLAST(CROSS(DIFF,DEA))+1;{最近一次滿足條件DIFF上穿DEA的K線到當(dāng)前的距離}
N2:=BARSLAST(CROSS(DEA,DIFF))+1;{最近一次滿足條件DIFF下穿DEA的K線到當(dāng)前的距離}
{當(dāng)前是DIFF>DEA的狀態(tài)，連結(jié)最近兩個(gè)DIFF>DEA區(qū)間（不包含當(dāng)前區(qū)間）內(nèi)最高點(diǎn)的趨勢線}
A1:=BACKSET(ISLASTBAR && N1<N2,REF(REF(HHVBARS(H,N1)+1,N2),N2)+REF(N2,N2)+N2);
B1:=BACKSET(ISLASTBAR && N1<N2,REF(HHVBARS(H,N1),N2)+N2+1);
DRAWLINE(CROSS(A1,0.5),H,CROSS(B1,0.5),H,1),COLORRED;
{當(dāng)前是DIFF>DEA的狀態(tài)，連結(jié)最近兩個(gè)DIFF<DEA區(qū)間內(nèi)最低點(diǎn)的趨勢線}
A2:=BACKSET(ISLASTBAR && N1<N2,REF(REF(LLVBARS(L,N2)+1,N1),N2)+REF(N1,N2)+N2);
B2:=BACKSET(ISLASTBAR && N1<N2,REF(LLVBARS(L,N2)+1,N1)+N1);
DRAWLINE(CROSS(A2,0.5),L,CROSS(B2,0.5),L,1),COLORGREEN;
{當(dāng)前是DIFF<DEA的狀態(tài)，連結(jié)最近兩個(gè)DIFF<DEA區(qū)間（不包含當(dāng)前區(qū)間）內(nèi)最低點(diǎn)的趨勢線}
A3:=BACKSET(ISLASTBAR && N1>N2,REF(REF(LLVBARS(L,N2)+1,N1),N1)+REF(N1,N1)+N1);
B3:=BACKSET(ISLASTBAR && N1>N2,REF(LLVBARS(L,N2),N1)+N1+1);
DRAWLINE(CROSS(A3,0.5),L,CROSS(B3,0.5),L,1),COLORGREEN;
{當(dāng)前是DIFF<DEA的狀態(tài)，連結(jié)最近兩個(gè)DIFF>DEA區(qū)間內(nèi)最高點(diǎn)的趨勢線}
A4:=BACKSET(ISLASTBAR && N1>N2,REF(REF(HHVBARS(H,N1)+1,N2),N1)+REF(N2,N1)+N1);
B4:=BACKSET(ISLASTBAR && N1>N2,REF(HHVBARS(H,N1)+1,N2)+N2);
DRAWLINE(CROSS(A4,0.5),H,CROSS(B4,0.5),H,1),COLORRED;