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Grid Coordinate Calculator

Calculate Coordinates of Targets in a Grid

A useful interactive application that calculates the coordinates of the centers of cells in an N x N grid. Perfect for working out where to place targets / images in visual world, visual search and saccade paradigms. Input your screen resolution and desired number of rows / columns. There is also an option to add a border. Output is a list of coordinate pairs (left to right, top to bottom) that can be copied and pasted for use in Experiment Builder or other stimulus presentation software.

The connection to the calculator will close after a few minutes of inactivity – just refresh the page and it will be back! We also have calculators for computing the coordinates of targets in a circular array, for computing degrees of visual angle and for computing the location of calibration targets – give them a try!

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EyeLink® eye trackers are intended for research purposes only and should not be used in the treatment or diagnosis of any medical condition.

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