Methods and computer systems are disclosed for displaying and interacting with array data on a display device. Limited display device resolutions can complicate the display of large arrays on a display device. Methods according to the disclosure may determine a one-dimensional partitioning of an array of data into a plurality of contiguous array portions; determine a display size for each array portion based on the size of the array portion; display an image representative of the array of data on the display device, portions of the image corresponding to an array portion being sized according to the display size determined for the array portion. The methods are applicable to the processing of images, and the visualization of and interacting with spreadsheet data.