通达信布林主图指标贴图无加密

布林中线:MA(CLOSE,20),NODRAW;
布林上线:布林中线+2*STD(CLOSE,20) COLORGREEN;
布林下线:布林中线-2*STD(CLOSE,20) COLORRED;

IF(布林中线 REF(布林中线,1),布林中线,DRAWNULL),COLORWHITE,LINETHICK2;
IF(布林中线 REF(布林中线,1),布林中线,DRAWNULL),COLORGRAY,DOTLINE,LINETHICK1;