Method run

ij/src/main/java/ij/plugin/FITS_Writer.java:58–128

(String path)

	public static final ExecutorService savingThread = Executors.newSingleThreadExecutor();
            
	@AstroImageJ(reason = "commented out GET FILE...file deletion iff exists, use nom.tam for export", modified = true)
    public void run(String path) {
		ImagePlus imp = IJ.getImage();

		if (true) { // AIJ uses nom.tam for fits export
			saveImage(imp, path, imp.getCurrentSlice());
			return;
		}

		ImageProcessor ip = imp.getProcessor();
		int numImages = imp.getImageStackSize();
		int bitDepth = imp.getBitDepth();
		if (bitDepth==24) {
			IJ.error("RGB images are not supported");
			return;
		}

		// GET PATH
		if (path == null || path.trim().length() == 0) {
			String title = "image.fits";
			SaveDialog sd = new SaveDialog("Write FITS image",title,".fits");
			path = sd.getDirectory()+sd.getFileName();
		}

		/*// GET FILE
		File f = new File(path);
		String directory = f.getParent()+File.separator;
		String name = f.getName();
		if (f.exists()) f.delete();*/
		int numBytes = 0;
        
        cal = imp.getCalibration();
        unsigned16 = (bitDepth==16 && cal.getFunction()==Calibration.NONE && cal.getCoefficients()==null);

		// GET IMAGE
		if (bitDepth==8) {
            numBytes = 1;
            if (cal.getFunction()!=Calibration.NONE && cal.getCoefficients()!=null) {
                bZero = cal.getCoefficients()[0];
                if (cal.getCoefficients()[1] != 0) bScale = cal.getCoefficients()[1];
            }
        } else if (ip instanceof ShortProcessor) {
			numBytes = 2;
            if (unsigned16) {
                bZero = 32768.0;
                bScale = 1.0;
            } else {
                if (cal.getCoefficients()[1] != 0) bScale = cal.getCoefficients()[1];
                bZero = cal.getCoefficients()[0] + (32768.0*bScale);
            }
        } else if (ip instanceof FloatProcessor) {
			numBytes = 4;  //float processor does not support calibration - data values are shifted and scaled in FITS_Reader
            bZero = 0.0;   //float values are written back out without shifting
            bScale = 1.0;  //and without scaling
        }

		int fillerLength = 2880 - ( (numBytes * imp.getWidth() * imp.getHeight()) % 2880 );