How to use

javax.media.jai.InterpolationTable

constructor

private void constructInterpolationTable(String interpolationMethod) {
  // construct interpolation LUT
  SimpleLUT lut = new SimpleLUT(interpolationMethod);
  lut.constructLUT();
  int kernelLength = lut.getKernelLength();
  // get LUT and cast it to float for JAI
  double[] lutArrayDoubles = lut.getKernelAsArray();
  float lutArrayFloats[] = new float[lutArrayDoubles.length];
  int i = 0;
  for (double lutElement : lutArrayDoubles) {
    lutArrayFloats[i++] = (float) lutElement;
  }
  // construct interpolation table for JAI resampling
  final int subsampleBits = 7;
  final int precisionBits = 32;
  int padding = kernelLength / 2 - 1;
  interpTable = new InterpolationTable(padding, kernelLength, subsampleBits, precisionBits, lutArrayFloats);
}

private void constructInterpolationTable(String interpolationMethod) {
  // construct interpolation LUT
  SimpleLUT lut = new SimpleLUT(interpolationMethod);
  lut.constructLUT();
  int kernelLength = lut.getKernelLength();
  // get LUT and cast it to float for JAI
  double[] lutArrayDoubles = lut.getKernelAsArray();
  float lutArrayFloats[] = new float[lutArrayDoubles.length];
  int i = 0;
  for (double lutElement : lutArrayDoubles) {
    lutArrayFloats[i++] = (float) lutElement;
  }
  // construct interpolation table for JAI resampling
  final int subsampleBits = 7;
  final int precisionBits = 32;
  int padding = kernelLength / 2 - 1;
  interpTable = new InterpolationTable(padding, kernelLength, subsampleBits, precisionBits, lutArrayFloats);
}