// @OpService ops
// @CommandService cmd
// @LogService log
// @UIService ui

import net.imagej.ops.Op
import net.imglib2.FinalDimensions
import net.imglib2.type.numeric.real.DoubleType

// how many ops?
final int opCount = cmd.getCommandsOfType(Op.class).size()
log.info(opCount+" ops are available")

// learn about an op
log.info( ops.help("math.add") )

// add two numbers
log.info("What is 2+5? "+ops.math().add(2, 5))

// create a new blank image
long[] dims = [150, 100]
blank = ops.create().img(dims)

// fill in the image with a sinusoid using a formula
formula = "10 * (Math.cos(0.3*p[0]) + Math.sin(0.3*p[1]))"
sinusoid = ops.image().equation(blank, formula)

// add a constant value to an image
ops.math().add(sinusoid, 13.0)

// generate a gradient image using a formula
gradient = ops.image().equation(ops.create().img(dims), "p[0]+p[1]")

// add the two images
composite = ops.run("math.add", sinusoid, gradient)

// dump the image to the console
ascii = ops.image().ascii(composite)
log.info("Composite image:\n" + ascii)

// show the image in a window
ui.show("composite", composite)

// execute an op on every pixel of an image
addOp = ops.op("math.add", DoubleType.class, new DoubleType(10000.0))
compositePlus = ops.create().img(composite)
ops.run("map", compositePlus, composite, addOp)
ui.show("composite plus", compositePlus)

// 1. Note that the two composite images look the same...
//    but mouse over each image to inspect their pixel values!
// 2. Use Window > Show Console to see the output from log.info.