Demonstration cubic bspline interpolation with imglib2

bsplineInterpolationDemo.groovy

#@ Dataset img
#@ Boolean(value=true) precompute

/**
 * Prerequisite:
 * Get the bspline branch of bogovicj's (my) fork of imglib2: 
 * 	 git clone -b bspline [email protected]:bogovicj/imglib2.git
 * 
 * Install it:
 *   mvn -Dscijava.app.directory=<your_Fiji_directory> install
 * 
 */

import net.imglib2.*;
import net.imglib2.view.*;
import net.imglib2.realtransform.*;
import net.imglib2.interpolation.randomaccess.*;

import bdv.util.*;

if( precompute )
{
interpTarget = img;
factory = new BSplineInterpolator( img );
}
else
{
interpTarget = Views.extendZero( img );
factory = new CardinalBSplineInterpolatorFactory();
}

// show original image
BdvOptions opts = BdvOptions.options();
bdv = BdvFunctions.show( img, "img", opts);

// show interpolated image
imgInterp = Views.interpolate( interpTarget, factory );
BdvFunctions.show( imgInterp, img, "img interp", opts.addTo( bdv ));