Viewing image file differences

You can diff image files to view differences between file versions.

1. Select the file and choose Activities > Differences.

The Differences dialog box opens.

2. Select a Second File option or click Advanced to select a branched file, historic file version, or unrelated file.

3. Click Differences.

The Image Comparison viewer opens.

4. Click a view button to change how differences are displayed. You can also zoom in or out or enter a percentage to increase or decrease the magnification.

Button	Use to:
	View images side by side
	View images top over bottom
	View combined differences, which is the result of subtracting the pixel values of one image from the other
	View the high contrast result of subtracting the pixel values of one image from the other. This view can help you identify subtle color differences.
	Display the images at actual size
	Zoom in
	Zoom out

5. Click Close when you finish.