Method getThreshold

ij/src/main/java/ij/macro/Functions.java:2166–2183

()

	}

	void getThreshold() {
		Variable lower = getFirstVariable();
		Variable upper = getLastVariable();
		ImagePlus imp = getImage();
		ImageProcessor ip = getProcessor();
		double t1 = ip.getMinThreshold();
		double t2 = ip.getMaxThreshold();
		if (t1==ImageProcessor.NO_THRESHOLD) {
			t1 = -1;
			t2 = -1;
		} else {
			Calibration cal = imp.getCalibration();
			t1 = cal.getCValue(t1);
			t2 = cal.getCValue(t2);
		}
		lower.setValue(t1);
		upper.setValue(t2);
	}

	void getPixelSize() {
		Variable unit = getFirstVariable();