Method applyFunction

ij/src/main/java/ij/plugin/frame/Fitter.java:174–203

create a duplicate of an image where the fit function is applied to the pixel values

()

	/** create a duplicate of an image where the fit function is applied to the pixel values */
	void applyFunction() {
		if (cf==null || fitType < 0) {
			IJ.error("No function available");
			return;
		}
		ImagePlus img = WindowManager.getCurrentImage();
		if (img==null) {
			IJ.noImage();
			return;
		}
		if (img.getTitle().matches("y\\s=.*")) { //title looks like a fit function
			IJ.error("First select the image to be transformed");
			return;
		}
		double[] p = cf.getParams();
		int width = img.getWidth();
		int height = img.getHeight();
		int size = width*height;
		float[] data = new float[size];
		ImageProcessor ip = img.getProcessor();
		float value;
		for (int y=0; y<height; y++) {
			for (int x=0; x<width; x++) {
				value = ip.getPixelValue(x,y);
				data[y*width+x] = (float)cf.f(p, value);
			}
		}
		ImageProcessor ip2 = new FloatProcessor(width, height, data, ip.getColorModel());
		new ImagePlus(img.getTitle()+"-transformed", ip2).show();
	}

	void open() {
		OpenDialog od = new OpenDialog("Open Text File...", "");