How to use

halfkernels

method

in

net.imglib2.algorithm.gauss3.Gauss3

@Override
public void compute(final RandomAccessible<T> input,
  final RandomAccessibleInterval<T> output)
{
  try {
    SeparableSymmetricConvolution.convolve(Gauss3.halfkernels(sigmas), input,
      output, threads.getExecutorService());
  }
  catch (final IncompatibleTypeException e) {
    throw new RuntimeException(e);
  }
}

final double[][] halfkernels = halfkernels( sigma );
final int numthreads = Runtime.getRuntime().availableProcessors();
SeparableSymmetricConvolution.convolve( halfkernels, source, target, numthreads );

@Override
public void compute(final RandomAccessibleInterval<T> input,
  final RandomAccessibleInterval<T> output)
{
  if (outOfBounds == null) {
    outOfBounds = new OutOfBoundsMirrorFactory<>(Boundary.SINGLE);
  }
  final RandomAccessible<FloatType> eIn = //
    (RandomAccessible) Views.extend(input, outOfBounds);
  try {
    SeparableSymmetricConvolution.convolve(Gauss3.halfkernels(sigmas), eIn,
      output, threads.getExecutorService());
  }
  catch (final IncompatibleTypeException e) {
    throw new RuntimeException(e);
  }
}

final double[][] halfkernels = halfkernels( sigma );
final Convolution< NumericType< ? > > convolution = SeparableKernelConvolution.convolution( Kernel1D.symmetric( halfkernels ) );
convolution.setExecutor( service );