变色主图线

变色主图线（文华指标公式）

O1:=MA(C,O);
N1:=MA(C,21);
M2:=MA(C,55);
PARTLINE(N1>M2,M2,COLORRED);
PARTLINE(N1<=M2,M2,COLORGREEN);
（以下为文华K线语言）
TMP:=OPEN-CLOSE;
DRAWLINE(TMP>0.00001,HIGH,TMP>0.00001,OPEN,COLORCYAN);
DRAWLINE(TMP>0.00001,LOW,TMP>0.00001,CLOSE,COLORCYAN);
DRAWLINE(TMP<-0.00001,HIGH,TMP<-0.00001,CLOSE,COLORRED);
DRAWLINE(TMP<-0.00001,LOW,TMP<-0.00001,OPEN,COLORRED);
DRAWLINE(ABS(TMP)<0.00001,LOW,ABS(TMP)<0.00001,OPEN,COLORWHITE);
DRAWLINE(ABS(TMP)<0.00001,HIGH,ABS(TMP)<0.00001,OPEN,COLORWHITE);
STICKLINE(TMP>0,OPEN,CLOSE,COLORCYAN,0);
STICKLINE(TMP<=0,OPEN,CLOSE,COLORRED,1);