Method getData

ij/src/main/java/ij/plugin/frame/Fitter.java:146–171

()

	double sqr(double x) {return x*x;}
	
	boolean getData() {
		textArea.selectAll();
		String text = textArea.getText();
		text = zapGremlins(text);
		textArea.select(0,0);
		StringTokenizer st = new StringTokenizer(text, " \t\n\r,");
		int nTokens = st.countTokens();
		if (nTokens<4 || (nTokens%2)!=0) {
		    IJ.showStatus("Data error: min. two (x,y) pairs needed");
			return false;
		}
		int n = nTokens/2;
		x = new double[n];
		y = new double[n];
		for (int i=0; i<n; i++) {
			String xString = st.nextToken();
			String yString = st.nextToken();
			x[i] = Tools.parseDouble(xString);
			y[i] = Tools.parseDouble(yString);
			if (Double.isNaN(x[i]) || Double.isNaN(y[i])) {
				IJ.showStatus("Data error:  Bad number at "+i+": "+xString+" "+yString);
				return false;
			}
		}
		return true;
	}

	/** create a duplicate of an image where the fit function is applied to the pixel values */
	void applyFunction() {