Method main

swig/java/apps/GDALOverviews.java:48–122

(String[] args)

	}

    public static void main(String[] args)
    {
        /* -------------------------------------------------------------------- */
        /*      Register driver(s).                                             */
        /* -------------------------------------------------------------------- */
        gdal.AllRegister();

        args = gdal.GeneralCmdLineProcessor(args);
        if (args.length <= 2) usage();

        try
        {
            /* -------------------------------------------------------------------- */
            /*      Open dataset.                                                   */
            /* -------------------------------------------------------------------- */
            Dataset ds = gdal.Open( args[0], gdalconst.GA_Update );

            if (ds == null)
            {
                System.out.println("Can't open " + args[0]);
                System.exit(-1);
            }

            System.out.println("Raster dataset parameters:");
            System.out.println("  Projection: " + ds.GetProjectionRef());
            System.out.println("  RasterCount: " + ds.getRasterCount());
            System.out.println("  RasterSize (" + ds.getRasterXSize() + "," + ds.getRasterYSize() + ")");

            int[] levels = new int[args.length -2];

            System.out.println(levels.length);

            for (int i = 2; i < args.length; i++)
            {
                levels[i-2] = Integer.parseInt(args[i]);
            }

            if (ds.BuildOverviews(args[1], levels, new TermProgressCallback()) != gdalconst.CE_None)
            {
                System.out.println("The BuildOverviews operation doesn't work");
                System.exit(-1);
            }

            /* -------------------------------------------------------------------- */
            /*      Displaying the raster parameters                                */
            /* -------------------------------------------------------------------- */
            for (int iBand = 1; iBand <= ds.getRasterCount(); iBand++)
            {
                Band band = ds.GetRasterBand(iBand);
                System.out.println("Band " + iBand + " :");
                System.out.println("   DataType: " + band.getDataType());
                System.out.println("   Size (" + band.getXSize() + "," + band.getYSize() + ")");
                System.out.println("   PaletteInterp: " + gdal.GetColorInterpretationName(band.GetRasterColorInterpretation()));

                for (int iOver = 0; iOver < band.GetOverviewCount(); iOver++)
                {
                    Band over = band.GetOverview(iOver);
                    System.out.println("      OverView " + iOver + " :");