居高临下画角度线 添加到主图上即可

LT:=FINDLOWBARS(L,0,30,1);{原句为LT:=FINDLOWBARS(L,0,30,1);}

HT:=FINDHIGHBARS(H,LT=0,60,1);{原句为HT:=FINDHIGHBARS(H,LT=0,60,1);}

LL:=REF(L,LT);

HH:=REF(H,HT);

{}

NOTEXT1:DRAWLINE(HT=0,HH,LT=0,HH,1),COLORYELLOW;

NOTEXT2:DRAWLINE(HT=0,HH,LT=0,LL,1),COLORYELLOW;

NOTEXT3:DRAWLINE(HT=0,HH,LT=0,(HH-LL)*0.25+LL,1),DOTLINE,COLORLIMAGENTA;

NOTEXT4:DRAWLINE(HT=0,HH,LT=0,(HH-LL)*0.5+LL,1),DOTLINE,COLORLIBLUE;

NOTEXT5:DRAWLINE(HT=0,HH,LT=0,(HH-LL)*0.75+LL,1),DOTLINE,COLORLIGREEN;

NOTEXT6:DRAWLINE(HT=0,HH,LT=0,(HH-LL)*0.875+LL,1),DOTLINE,COLORLIGRAY;

DRAWNUMBER(ISLASTBAR,NOTEXT3,0.25); 

DRAWNUMBER(ISLASTBAR,NOTEXT4,0.5); 

DRAWNUMBER(ISLASTBAR,NOTEXT5,0.75); 

DRAWNUMBER(ISLASTBAR,NOTEXT6,0.875);

原理解析：
LT赋值:FIND最低价BARS(L,0,30,1)
{原句为LT赋值:FIND最低价BARS(L,0,30,1)
}

HT赋值:FIND最高价BARS(H,LT=0,60,1)
{原句为HT赋值:FIND最高价BARS(H,LT=0,60,1)
}

LL赋值:LT日前的L


HH赋值:HT日前的H
输出

{}

NOTEXT1:DRAWLINE(HT=0,HH,LT=0,HH,1),画黄色
输出

NOTEXT2:DRAWLINE(HT=0,HH,LT=0,LL,1),画黄色
输出

NOTEXT3:DRAWLINE(HT=0,HH,LT=0,(HH-LL)*0.25+LL,1),DOTLINE,COLORLIMAGENTA
输出

NOTEXT4:DRAWLINE(HT=0,HH,LT=0,(HH-LL)*0.5+LL,1),DOTLINE,COLORLIBLUE
输出

NOTEXT5:DRAWLINE(HT=0,HH,LT=0,(HH-LL)*0.75+LL,1),DOTLINE,COLORLIGREEN
输出

NOTEXT6:DRAWLINE(HT=0,HH,LT=0,(HH-LL)*0.875+LL,1),DOTLINE,COLORLIGRAY


DRAWNUMBER(ISLASTBAR,NOTEXT3,0.25)


DRAWNUMBER(ISLASTBAR,NOTEXT4,0.5)


DRAWNUMBER(ISLASTBAR,NOTEXT5,0.75)


DRAWNUMBER(ISLASTBAR,NOTEXT6,0.875)