adxlen = input(14, title="ADX Smoothing")
dilen = input(14, title="DI Length")
xian=input(20)
dirmov(len) =>
up = change(high)
down = -change(low)
plusDM = na(up) ? na : (up > down and up > 0 ? up : 0)
minusDM = na(down) ? na : (down > up and down > 0 ? down : 0)
truerange = rma(tr, len)
plus = fixnan(100 * rma(plusDM, len) / truerange)
minus = fixnan(100 * rma(minusDM, len) / truerange)
[plus, minus]
adx(dilen, adxlen) =>
[plus, minus] = dirmov(dilen)
sum = plus + minus
adx = 100 * rma(abs(plus - minus) / (sum == 0 ? 1 : sum), adxlen)
sig = adx(dilen, adxlen)
当 sig > sig 1 时，有买入趋势，显示在图表 K 线上方，绘制趋势线。当 sig < sig 1 时，存在卖出趋势，显示在图表 K 线下方，绘制趋势线。请告诉我如何操作，例如网址图形。graphical