ImageJ2 script that displays a Diamond or Hypersphere neighborhood for a given radius

shapeDemo.groovy

#@ DatasetService ds
#@ UIService ui
#@ Long radius = 13
#@ String (choices={"Diamond", "Hypersphere"}, style="listBox") shapeType

/*
 * Displays a Diamond or Hypersphere neighborhood for a given radius
 */
if( shapeType.equals("Diamond"))
	shp = new DiamondShape(radius);
else
	shp = new HyperSphereShape(radius);

// allocate an image
img = ds.create(new UnsignedByteType(), new long[]{ 4*radius+1, 4*radius+1 }, "shape", new AxisType[] { Axes.X, Axes.Y } );

// make the shape and center it
nbhds = shp.neighborhoodsRandomAccessible( img ).randomAccess();
nbhds.setPosition( 2*radius, 0 );
nbhds.setPosition( 2*radius, 1 );

// fill the shape and show iut
nbhds.get().cursor().forEachRemaining( x -> x.setReal(255) );
ui.show(img);


import net.imagej.*;
import net.imagej.axis.*;
import net.imglib2.*;
import net.imglib2.algorithm.neighborhood.*;
import net.imglib2.type.numeric.*;
import net.imglib2.type.numeric.integer.*;