On the disc that accompanies this book, go to the folder BW 1, and open the file STARDUST 1 SOURCE.TIFF.
Create a Hue/Saturation adjustment layer, and move the Saturation slider to 100%. Generally, this is the first step I take to analyze color. By increasing the saturation, you exaggerate the differences between the colors in the image, making it easy to see which are dominant. The areas that posterize tend to be the areas that will present the greatest difficulty (Figure 5.7).
Notice that the colors are very skewed to the yellows and reds. ...