//load ImageJ
%classpath config resolver scijava.public https://maven.scijava.org/content/groups/public
%classpath add mvn net.imagej imagej 2.0.0-rc-67

//create ImageJ object
ij = new net.imagej.ImageJ()

ij.op().help('interpolateView')

import net.imglib2.interpolation.randomaccess.NearestNeighborInterpolatorFactory
import net.imglib2.interpolation.randomaccess.NLinearInterpolatorFactory
import net.imglib2.interpolation.randomaccess.LanczosInterpolatorFactory

scaleFactors = [4, 4, 1] // Enlarge X and Y by 4x; leave channel count the same.

input = ij.scifio().datasetIO().open("http://imagej.net/images/ij-icon.gif")

interpolated= ij.op().run("interpolateView", input, new NLinearInterpolatorFactory())

ij.notebook().display(input)

access = interpolated.realRandomAccess()

//coordinates to interrogate
x = 16.6 as double
y = 10.2 as double

//set the randomAccess to x in the first dimension and y in the second
access.setPosition(x, 0)
access.setPosition(y, 1)

println(access.get().getRealDouble())