Method getPixel

ij/src/main/java/ij/macro/Functions.java:1082–1118

()

	}

	double getPixel() {
		interp.getLeftParen();
		double a1 = interp.getExpression();
		ImageProcessor ip = getProcessor();
		double value = 0.0;
		interp.getToken();
		if (interp.token==',') {
			double a2 = interp.getExpression();
			interp.getRightParen();
			int ia1 = (int)a1;
			int ia2 = (int)a2;
			if (a1==ia1 && a2==ia2) {
				if (ip instanceof FloatProcessor)
					value = ip.getPixelValue(ia1, ia2);
				else
					value = ip.getPixel(ia1, ia2);
			} else {
				if (ip instanceof ColorProcessor)
					value = ip.getPixelInterpolated(a1, a2);
				else {
					ImagePlus imp = getImage();
					Calibration cal = imp.getCalibration();
					imp.setCalibration(null);
					ip = imp.getProcessor();
					value = ip.getInterpolatedValue(a1, a2);
					imp.setCalibration(cal);
				}
			}
		} else {
			if (interp.token!=')') interp.error("')' expected");
			if (ip instanceof ColorProcessor)
				value = ip.get((int)a1);
			else
				value = ip.getf((int)a1);
		}
		return value;
	}

	void setZCoordinate() {
		int z = (int)getArg();