add infinit line in chart

[armeya25]

how do i add pg.InfiniteLine in chart,

i am trying to add following in chart

v_bar = pg.InfiniteLine(pos=(position), angle=90, pen='r')
ax.vb.addItem(v_bar)

[highfestiva]

Looks right, you probably have the wrong position. Use the 0-based index of the X-coordinate (which usually is displayed as a timestamp). For instance, in examples/line.py, this works:

v_bar = fplt.pg.InfiniteLine(pos=(600,4.5), angle=0.01, pen='r')
ax.vb.addItem(v_bar)