# crop.py

# =======

#

# Crop out a part of an image on the GPU

#

# Author: Robert Haase, [email protected]

# October 2019

#########################################

from ij import IJ;

from net.haesleinhuepf.clij2 import CLIJ2;

IJ.run("Close All");

# load example image

imp = IJ.openImage("http://wsr.imagej.net/images/blobs.gif");

# imp = IJ.openImage("c:/structure/data/blobs.tif");

imp.show();

# init GPU

clij2 = CLIJ2.getInstance();

# push image to GPU

input = clij2.push(imp);

# reserve memory for output, with a given size and type as input

output = clij2.create([75, 75], input.getNativeType());

# crop

clij2.crop(input, output, 10, 10);

# show result

clij2.pull(output).show();

# clean up

clij2.clear();