Examples of ucar.jpeg.jj2000.j2k.wavelet.synthesis.InvWTFull

Package ucar.jpeg.jj2000.j2k.wavelet.synthesis

Examples of ucar.jpeg.jj2000.j2k.wavelet.synthesis.InvWTFull

ucar.jpeg.jj2000.j2k.image.DataBlkInt
This class implements the InverseWT with the full-page approach for int and float data.
The image can be reconstructed at different (image) resolution levels indexed from the lowest resolution available for each tile-component. This is controlled by the setImgResLevel() method.

Note: Image resolution level indexes may differ from tile-component resolution index. They are indeed indexed starting from the lowest number of decomposition levels of each component of each tile.

Example: For an image (1 tile) with 2 components (component 0 having 2 decomposition levels and component 1 having 3 decomposition levels), the first (tile-) component has 3 resolution levels and the second one has 4 resolution levels, whereas the image has only 3 resolution levels available.

This implementation does not support progressive data: Data is considered to be non-progressive (i.e. "final" data) and the 'progressive' attribute of the 'DataBlk' class is always set to false, see the 'DataBlk' class.
@see DataBlk

    int E = drs.getBinaryScaleFactor();
    //System.out.println( "DS E=" + E );
    float EE = (float) java.lang.Math.pow((double) 2.0, (double) E);
    //System.out.println( "DS EE=" + EE );


    Grib2JpegDecoder g2j = null;
    int numberPoints = 0;
    try {
      if (nb != 0) {  // there's data to decode
        String[] argv = new String[4];
        argv[0] = "-rate";
        argv[1] = Integer.toString(nb);
        argv[2] = "-verbose";
        argv[3] = "off";
        //argv[ 4 ] = "-debug" ;
        //argv[ 2 ] = "-nocolorspace" ;
        //argv[ 3 ] = "-Rno_roi" ;
        //argv[ 4 ] = "-cdstr_info" ;
        //argv[ 5 ] = "-verbose" ;
        g2j = new Grib2JpegDecoder(argv);
        // how jpeg2000.jar use to decode, used raf
        //g2j.decode(raf, length - 5);
        // jpeg-1.0.jar added method to have the data read first
        byte[] buf = new byte[ length - 5 ];
        raf.read( buf );
        g2j.decode( buf );
      }
      numberPoints = gds.getGdsVars().getNumberPoints();
      //System.out.println( "DS GDS NumberPoints=" +  gds.getNumberPoints() );
      data = new float[numberPoints];
      boolean[] bitmap = bms.getBitmap();

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        float [][] out = new float [3][];
        float [][] in  = new float [3][];


        for (i=0;i<3;++i) {
            in[i]  = inblk [i] .getDataFloat();
            outblk[i] = new DataBlkFloat ();
            copyGeometry (outblk[i],inblk[i]);
            outblk[i].offset = inblk[i].offset;
            out[i] = new float [length];
            outblk[i].setData (out[i]); }

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        int [][] out = new int [3][];
        int [][] in  = new int [3][];


        for (i=0;i<3;++i) {
            in[i]  = inblk [i] .getDataInt();
            outblk[i] = new DataBlkInt ();
            copyGeometry (outblk[i],inblk[i]);
            outblk[i].offset = inblk[i].offset;
            out[i] = new int [length];
            outblk[i].setData (out[i]); }

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Related Classes of ucar.jpeg.jj2000.j2k.wavelet.synthesis.InvWTFull

ucar.grib.grib2.Grib2DataSection

ucar.jpeg.colorspace.SYccColorSpaceMapper

java.awt.Point

java.util.Vector

java.io.ByteArrayInputStream

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