tomwer.gui.utils.buttons.TapeMeasureToolButton# class tomwer.gui.utils.buttons.TapeMeasureToolButton(parent=None, plot=None, pixel_size=None)# Button to active measurement between two point of the plot setPixelSize(pixel_size)# setPlot(plot)# Set the plot connected to the widget Parameters: plot – PlotWidget instance on which to operate.