Professional Information Technology-Programming Book part 120 pot

... types mentioned here) so as to determine if the digits are truly valid. Mod 10 is an important part of implementing credit card processing, but it is not a job for regular expressions because ... use the standalone Regular Expression Tester application that was created specifically for this book. This appendix briefly describes this application. Understanding the Regular Expression T...

Ngày tải lên: 07/07/2014, 03:20

... as a sign of approval. The potential versatility of PDF documentsthey can be read on most computers and over the Internetholds a lot of promise. Unfortunately, the potential is limited. You'd ... collected half a dozen or so third-party programs that they use primarily for creating galleries. 1.7. Preliminary Editing Now we come to the point in this book where the workflow of Ph...

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... actually no such thing as a nondestructive JPEG workflow. If you must shoot JPEGs, at least this book can help you with minimally destructive workflow. If you're shooting RAW, there's ... circumstances permit, that the pictures will be sharp, and that I am exposing for the most important part of the subject. You may be surprised at how comprehensive that checklist should be...

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... workflow before applying those commands or you'll lose a large percentage of your brightness information. 4.8.4. Create a High-Key Version of the Image High-key images are those that are ... described here works best when you use a series of three to five RAW files taken two full f-stops apart. The camera should be on a tripod, you should use a remote shutter trigger (or cable rele...

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... chose the Spot Healing brush. In its Options bar, I make sure the Sample All Layers box is checked (clicking the box toggles the checkmark on and off). Now I "heal" all the spots. The ... slider both ways until you feel you've gotten the best effect that you can get from this particular image. 6. Click the Open button. You will almost always want to do some further work .....

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... 6.5. Color Balance Techniques It's often hard to adjust color balance correctly because one part of the image is lit by a different color of light than another. I'm not talking about ... Curves dialog and apply the curves to that color. This allows you to easily increase or decrease particular ranges of color. If your purpose in changing color balance is to set a different moo...

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... effects in different colors and in different parts of the image. Admittedly, these effects aren't as slick or easily predicted as a great many third-party color effects filters. However, this

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... Modeno problem. Apply the client's request to the layer onto which you painted the History information. You can use the same technique to brush in localized adjustments. For instance, you ... good idea to use the Healing brush and anchor it on the original layer, then stroke around the parts of the transfer that show bare skin. The Healing brush will transfer the texture from the ....

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... that has become almost too popular is the use of Photoshop's Diffuse Glow filter or third-party filters such as Andromeda's ScatterLight filter. I've seen it used to "define ... landscapes) are so much darker than normal, blemishes have a tendency to be especially noticeable. 7. Spot retouch as required. 8. Select the Levels command. There's already a mask in the...

Ngày tải lên: 07/07/2014, 03:20