Method updatePlot

ij/src/main/java/ij/macro/Functions.java:2570–2586

(Plot thePlot)

	}

	double updatePlot(Plot thePlot) {
		if (thePlot == plot) {
			ImagePlus plotImage = WindowManager.getImage(plotID);
			ImageWindow win = plotImage!=null?plotImage.getWindow():null;
			if (win!=null)
				((PlotWindow)win).drawPlot(plot);
			else {
				PlotWindow plotWindow = plot.show();
				if (plotWindow!=null)
					plotID = plotWindow.getImagePlus().getID();
			}
		} else
			thePlot.updateImage();
		plot = null;		//not a plot under construction any more
		interp.getParens();
		return Double.NaN;
	}

	double addPlotText(Plot plot) {
		String str = getFirstString();