标题：画线

老师：60   180 两根大周期均线金叉，金叉加30跳画水平线，这条线向上 向下各加40跳画两条水平线，

 “金叉加30跳画水平线”  是金叉位置的什么价格加上30跳？

ma60:=ma(c,60);
ma180:=ma(c,180);
jc:cross(ma60,ma180);
sc:cross(ma180,ma60);
line1price:=VALUEWHEN(jc,c+30*MINDIFF);
line2price:=VALUEWHEN(jc,c-10*MINDIFF);
line3price:=VALUEWHEN(jc,c+70*MINDIFF);

DRAWLINE(jc,line1price ,sc ,line1price,0);
DRAWLINE(jc,line2price ,sc ,line2price,0);