P4V User's Guide (2014.3)

To diff two different image files: context-click an image file, choose Diff Against... and specify the other image, or (in the Depot, Workspace, or Files pane,) drop one image file's icon on another.

To diff two revisions of the same image file: context-click the image file and choose File History. In the File History pane, drop one of the desired revisions on the other revision.

P4V launches P4Merge, displaying the differences between the specified images. You can display image diffs side by side or overlaid.

To enlarge or reduce the displayed images, use the zoom sliders or choose the desired display option from the View menu.

To highlight differences, check Highlight Differences and use the adjacent slider to increase or decrease sensitivity. P4Merge highlights identical areas in gray and differences in yellow.

To blend or separate overlaid images, use the vertical slider: to blend the images equally, center the slider. To increase the amount of an image used in the composite, move the slider toward that image.

You can also view image revisions sequentially in Time-lapse View. For more information, see Viewing Image File History with Time-lapse View

You can diff the following image file types: