void printLegend(final PrintStream ps) {
        ps.println("Legend:");
        ps.println("  Size      Size of image (width-by-height)");
        ps.println("  Layout    Organization of the image file (strips versus tiles)");
        ps.println("  Blk_sz    Size of internal image blocks (strips versus tiles)");
        ps.println("  P_conf    Planar configuration, Chunky (interleaved samples) versus Planar ");
        ps.println("  Compress  Compression format");
        ps.println("  Predict   Predictor");
        ps.println("  Data_Fmt  Data format");
        ps.println("  B/P       Bits per pixel");
        ps.println("  B/S       Bits per sample");
        ps.println("  Photo     Photometric Interpretation (pixel color type)");
        ps.println("  ICC_Pro   Is ICC color profile supplied");
        ps.println("");
        ps.println("  RGBA       RGB with unassociated alpha (transparency)");
        ps.println("  RGBA_Pre-A RGB with associated (premultiplied) alpha");
        ps.println("");
    }
Prints the legend information to the output stream

@param ps a valid instance
src/test/java/org/apache/commons/imaging/examples/tiff/SurveyTiffFile.java