文华财经《多空线》ma20波段趋势转折主图

MA20:MA(C,20);
X:=(MA20-REF(MA20,1));
UP:=X>0;
DN:=X<0;
FIRST_UP:=UP AND REF(DN,1);
FIRST_DN:=DN AND REF(UP,1);
CNT_UP:=BARSLAST(FIRST_UP);
CNT_DN:=BARSLAST(FIRST_DN);
SEC_UP:=UP AND CNT_UP>0 AND CNT_UP<=20 AND NOT(FIRST_UP);
SEC_DN:=DN AND CNT_DN>0 AND CNT_DN<=20 AND NOT(FIRST_DN);
DRAWCOLORKLINE(FIRST_UP AND ISUP,COLORGRAY,1);
DRAWCOLORKLINE(FIRST_UP AND NOT(ISUP),COLORGRAY,0);
DRAWCOLORKLINE(FIRST_DN AND ISUP,COLORGRAY,1);
DRAWCOLORKLINE(FIRST_DN AND NOT(ISUP),COLORGRAY,0);
DRAWCOLORKLINE(SEC_UP AND ISUP,COLORRED,1);
DRAWCOLORKLINE(SEC_UP AND NOT(ISUP),COLORRED,0);
DRAWCOLORKLINE(SEC_DN AND NOT(ISUP),COLORGREEN,1);
DRAWCOLORKLINE(SEC_DN AND ISUP,COLORGREEN,0);