『通道多空主图』通道上中下轨道分析策略源码：上破中轨做多，下破中轨做空！

 HH:HHV(H,60),NODRAW;

LL:LLV(L,60),NODRAW;

MID:(HH+LL)/2,NODRAW;

DRAWCOLORLINE(BARSLAST(MID>REF(MID,1))< BARSLAST(MID< REF(MID,1)),MID,COLORRED,COLORGREEN),LINETHICK2;

DRAWCOLORLINE(BARSLAST(MID>REF(MID,1))< BARSLAST(MID< REF(MID,1)),HH,COLORRED,COLORGREEN),LINETHICK2;

DRAWCOLORLINE(BARSLAST(MID>REF(MID,1))< BARSLAST(MID< REF(MID,1)),LL,COLORRED,COLORGREEN),LINETHICK2;

DRAWNUMBER(REFX(CROSSUP(MID>REF(MID,1),0.5),1)&&BACKSET(ISLASTBAR,BARSLAST(REFX(CROSSUP(MID>REF(MID,1),0.5),1)||REFX(CROSSUP(MID< REF(MID,1),0.5),1))+1),L,L,0,COLORYELLOW),VALIGN0;

DRAWNUMBER(REFX(CROSSUP(MID< REF(MID,1),0.5),1)&&BACKSET(ISLASTBAR,BARSLAST(REFX(CROSSUP(MID>REF(MID,1),0.5),1)||REFX(CROSSUP(MID< REF(MID,1),0.5),1))+1),H,H,0,COLORWHITE);

DRAWSL(REFX(CROSSUP(MID< REF(MID,1),0.5),1)&&BACKSET(ISLASTBAR,BARSLAST(REFX(CROSSUP(MID>REF(MID,1),0.5),1)||REFX(CROSSUP(MID< REF(MID,1),0.5),1))+1),H,0,1000,0,COLORGREEN);

DRAWTEXT(REFX(CROSSUP(MID< REF(MID,1),0.5),1)&&BACKSET(ISLASTBAR,BARSLAST(REFX(CROSSUP(MID>REF(MID,1),0.5),1)||REFX(CROSSUP(MID< REF(MID,1),0.5),1))+1),H,'空');

DRAWSL(REFX(CROSSUP(MID>REF(MID,1),0.5),1)&&BACKSET(ISLASTBAR,BARSLAST(REFX(CROSSUP(MID>REF(MID,1),0.5),1)||REFX(CROSSUP(MID< REF(MID,1),0.5),1))+1),L,0,1000,0,COLORRED);

DRAWTEXT(REFX(CROSSUP(MID>REF(MID,1),0.5),1)&&BACKSET(ISLASTBAR,BARSLAST(REFX(CROSSUP(MID>REF(MID,1),0.5),1)||REFX(CROSSUP(MID< REF(MID,1),0.5),1))+1),L,'多');