6-10 ABOUT THIS PHOTO In this interior shot of Liverpool’s Anglican Cathedral, the HDR image was created from one raw image converted to three 16-bit TIFFs. (ISO 200, f/22, 20 seconds, Sigma 10-20mm f/4-5.6 at 10mm) © Pete Carr
FLOORS Many people don’t think about floors, but floors of large, old buildings often contain a treasure trove of detail. And, HDR is just the thing to bring out that glory. For example, a traditional photograph of St. Georges Hall is shown in 6-11. The scene contains a huge room with amazing chandeliers, stone work, pillars, and ceiling. Look down. The floor contains over 30,000 hand-laid pieces, the details of which are lost because the photo is flat and muted (which also causes the window at the back to lose detail).
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For more information on processing raw photos prior to generating HDR from bracketed photos, see Chapter 3.
The other serious problem with this photo is the white balance. You can see that it is overly warm and tilted toward orange. The chandeliers are causing this problem. This is easily fixed in camera (if you catch it and reshoot the photo), or during raw processing. In this case, Auto White Balance takes the orange out quite nicely. If that