主图指标：
黄为顶，可暂出；粉为底，可暂进。
抛物线找寻压力与支撑区域。
drawtext(sysparam(2)=barpos,c,'板块:'+blkname),colorccffff,align4;
dd:="xh-z.dd";
gg:="xh-z.gg";
sd:=sum(dd,0);
p:=SYSPARAM(1);
q:=SYSPARAM(3);
sdd:=sd[p]-sd+1;
wx0:=barssince(sdd=4);
wx1:=barssince(sdd=3);
wx2:=barssince(sdd=2);
wx3:=barssince(sdd=1);
rx2:=hhv((wx2=0)*wx1,0);X2:=rx2[p];
rx3:=hhv((wx3=0)*wx1,0);X3:=rx3[p];
ry1:=hhv((wx1=0)*L,0);Y1:=ry1[p];
ry2:=hhv((wx2=0)*L,0);Y2:=ry2[p]-y1;
ry3:=hhv((wx3=0)*L,0);Y3:=ry3[p]-y1;
XS:=POW(X3,0.5);XE:=POW(X2,0.5);
K:=(XS*Y2-XE*Y3)/(XS*X2-XE*X3);
d:=POW(Y2-K*X2,2)/X2;
YY1:=POW(D*WX1,0.5)+K*WX1;
R1:=Y1-REF(YY1,WX1);
YY:=(YY1+R1);
YY2:=-POW(D*WX1,0.5)+K*WX1;
R2:=Y1-REF(YY2,WX1);
YE:=(YY2+R2);
wyy:=abs(ref(yy,wx3)-ref(L,wx3))<0.01;
wye:=abs(ref(ye,wx3)-ref(L,wx3))<0.01;
if wyy[p] then
低:yy,LINETHICK2,COLORMAGENTA;
ELSE
低1:ye,LINETHICK2,COLORMAGENTA;
sg:=sum(gg,0);
sgg:=sg[p]-sg+1;
wxg0:=barssince(sgg=4);
wxg1:=barssince(sgg=3);
wxg2:=barssince(sgg=2);
wxg3:=barssince(sgg=1);
rxg2:=hhv((wxg2=0)*wxg1,0);Xg2:=rxg2[p];
rxg3:=hhv((wxg3=0)*wxg1,0);Xg3:=rxg3[p];
ryg1:=hhv((wxg1=0)*h,0);Yg1:=ryg1[p];
ryg2:=hhv((wxg2=0)*h,0);Yg2:=ryg2[p]-yg1;
ryg3:=hhv((wxg3=0)*h,0);Yg3:=ryg3[p]-yg1;
XSg:=POW(Xg3,0.5);XEg:=POW(Xg2,0.5);
Kg:=(XSg*Yg2-XEg*Yg3)/(XSg*Xg2-XEg*Xg3);
g:=POW(Yg2-Kg*Xg2,2)/Xg2;
YYg1:=POW(g*WXg1,0.5)+Kg*WXg1;
Rg1:=Yg1-REF(YYg1,WXg1);
YYg:=(YYg1+Rg1);
YYg2:=-POW(g*WXg1,0.5)+Kg*WXg1;
Rg2:=Yg1-REF(YYg2,WXg1);
YEg:=(YYg2+Rg2);
wyyg:=abs(ref(yyg,wxg3)-ref(h,wxg3))<0.01;
wyeg:=abs(ref(yeg,wxg3)-ref(h,wxg3))<0.01;
if wyyg[p] then
高:yyg,LINETHICK2,Color89FF50;
ELSE
高1:yeg,LINETHICK2,Color89FF50;
DRAWICON(wx0>=0 and (dd or gg),dd*L+gg*h,12);
DRAWICON(wx3=0 or wxg3=0,dd*L+gg*h,10);
tt:='高\n \n'+NUMTOSTR(if(wyyg[p],yyg[q],yeg),3)+'\n \n \n \n 低\n
\n'+NUMTOSTR(if(wyy[p],yy[q],ye[q]),3);
DRAWTEXT(BARPOS=q-5,h,tt)SHIFT1,ALIGN4;
Var1:=ZIG(3,10)<REF(ZIG(3,10),1) AND REF(ZIG(3,10),1)>REF(ZIG(3,10),2);
{ZIG 有未来}
Var2:=ZIG(3,10)>REF(ZIG(3,10),1) AND REF(ZIG(3,10),1)<REF(ZIG(3,10),2);
STICKLINE(Var1,C,O,8,0),COLORYELLOW,LINETHICK2;{高位黄s}
STICKLINE(Var1,C,O,3,0),COLORYELLOW,LINETHICK2;{高位黄s}
STICKLINE(Var1,H,L,1,0),COLORYELLOW,LINETHICK2;{高位黄s}
STICKLINE(Var2,C,O,8,0),COLORFF00FF,LINETHICK2;{底位红色}
STICKLINE(Var2,C,O,3,0),COLORFF00FF,LINETHICK2;{底位红色}
STICKLINE(Var2,H,L,1,0),COLORFF00FF,LINETHICK2;{底位红色}
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