Comparing The Levels And Curves Adjustments In Photoshop Written how to calculate statement coverage and branch coverage testing Steve Patterson. At first glance, the Curves adjustment may seem less like an image editing tool and more like something only a scientist would know what to do with, especially when compared with the much simpler Levels ebook business analyst
which we looked at earlier. Curves calvulate be extremely powerful, going far beyond what can be accomplished with Levels, but once you understand how it works, Curves is actually very simple. This will give us a good starting point for a more in-depth look at Curves later, including how the Curves adjustment has changed and improved in more recent versions of Photoshop (CS3 and CS4). The main part of the histogram does not extend to either the far left (pure black) or far right (pure white), which tells us that we currently have no real shadows or highlights in the photo.