How to use

FloatImagePlus

in

net.imglib2.img.imageplus

public static FloatImagePlus<FloatType> wrapFloat( final ImagePlus imp )
{
  if ( imp.getType() != ImagePlus.GRAY32)
    return null;
  final FloatImagePlus<FloatType> container = new FloatImagePlus<FloatType>( imp );
  // create a Type that is linked to the container
  final FloatType linkedType = new FloatType( container );
  // pass it to the DirectAccessContainer
  container.setLinkedType( linkedType );
  return container;				
}    

final int offsetY = rectangle.y - extraSize/2;
final int[] location = new int[ source.numDimensions() ];
   offsetX + img.getDimension( 0 ) < source.dimension( 0 ) && 
   offsetY + img.getDimension( 1 ) < source.dimension( 1 ) )
  positionable = source.randomAccess();

@Override
public NativeImg< T, FloatArray > createFloatInstance( long[] dimensions, final int entitiesPerPixel )
{
  if ( dimensions.length > 5 )
    throw new RuntimeException( "Unsupported dimensionality: " + dimensions.length );
  return new FloatImagePlus< T >( dimensions, entitiesPerPixel );
}

imp = source.getImagePlus();