InfiniteLine

class pyqtgraph.InfiniteLine(pos=None, angle=90, pen=None, movable=False, bounds=None)

Displays a line of infinite length. This line may be dragged to indicate a position in data coordinates.

__init__(pos=None, angle=90, pen=None, movable=False, bounds=None)

Initialization options:

pos - Position of the line. This can be a QPointF or a single value for vertical/horizontal lines. angle - Angle of line in degrees. 0 is horizontal, 90 is vertical. pen - Pen to use when drawing line movable - If True, the line can be dragged to a new position by the user bounds - Optional [min, max] bounding values. Bounds are only valid if the line is vertical or horizontal.

setAngle(angle)

Takes angle argument in degrees. 0 is horizontal; 90 is vertical.

Note that the use of value() and setValue() changes if the line is not vertical or horizontal.

setBounds(bounds)

Set the (minimum, maximum) allowable values when dragging.