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Medium 9781937538248

6 Printing Packages and RIPs

Uwe Steinmueller Rocky Nook-IPS ePub

You may achieve excellent prints when printing from Photoshop or another color-management application using the standard printer driver of your operating system. In most cases, this printer driver is supplied by the printer manufacturer. The process for doing this is described in sections 5.5 to 5.10.

In some cases, however, you may need additional options, e.g., when you not only want to print a single image, but also a DTP-built page with text, raster images, and line-art graphics. In other situations, you may look for greater control over printing settings than the standard printer driver provides, or you may want to use fine art papers that the driver does not support. In this case, a Raster Image Processor (RIP) may help. Another feature that a good RIP or a printing package can offer is the print queues feature, which is individually configured for certain printers, papers, paper sizes, and other specific settings. This can simplify printing and avoid flawed print settings.

A RIP takes the input and, from it, produces a raster image that can be sent directly to a printer. It does all the color conversion, such as from RGB to the printer’s primary colors,* the dithering, the required resolution adaptation, and more. It’s what a standard printer driver does, and usually more, e.g., supports standard ICC profiles. There are two basic types of RIPs:

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Medium 9781855758988

9: The setting, physical and mental, and limits

Peter Blake Karnac Books ePub

Therapy begins with the setting. This does not always have to be a consulting room. Analytic work with children began with Freud consulting to a father about his son's fears. Here there was no formal setting, but adults observing, thinking, and talking to the boy about the possible meaning of his behaviour. While Freud began this tradition he never worked directly with children, and therefore was never confronted with its clinical implications. Hermine Hug-Hellmuth, Melanie Klein, and Anna Freud undertook this task of applying psychoanalytic principles to the child in the formal setting of a consulting room. These early pioneers had differing thoughts, and this was reflected in the different clinical settings they provided.

THE IMPORTANCE OF THE SETTING

The setting is the physical and mental space within which psychoanalytic work occurs. It provides the backdrop to the clinical work, and helps to define it. Indeed, one can get a good idea of how a child therapist works by looking at the room and the sorts of toys he or she uses, as well as how the therapist dresses and presents him- or herself.

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Medium 9781449393090

14. Introduction to Testing

Randal L. Schwartz O'Reilly Media ePub

In Chapter 13, we created a new Perl distribution, modified some modules, and added a program to our distribution. Since we have a full-fledged distribution at the start of our development, we can immediately start using Perl’s extensive testing framework. Indeed, we already have some starter tests.

Now it’s time to look morely closely at the tests already in the distribution and create some more of our own. As we continue to develop our modules, the tests will keep us on the right path.

Why should we test during development? The short answer is that we find out about problems sooner and tests force us to program in much smaller chunks (since they are easier to test), which is generally good programming practice. Although we may think we have extra work to do, that’s only short-term overhead because we win down the line when we spend less time debugging, both because we’ve fixed most of the problems before they were problems and because the tests usually point us right at the problem we need to fix.

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Medium 9781565928398

1.4. Basic Parts of sendmail

Bryan Costales O'Reilly Media ePub

The sendmail program is actually composed of several parts, including programs, files, directories, and the services it provides. Its foundation is a configuration file that defines the location and behavior of these other parts and contains rules for rewriting addresses. A queue directory holds mail until it can be delivered. An aliases file allows alternative names for users and the creation of mailing lists. Database files can handle tasks ranging from spam rejection to virtual hosting.

The configuration file contains all the information sendmail needs to do its job. Within it you provide information, such as file locations, permissions, and modes of operation.

Rewriting rules and rule sets also appear in the configuration file. They transform a mail address into another form that might be required for delivery. They are perhaps the single most confusing aspect of the configuration file. Because the configuration file is designed to be fast for sendmail to read and parse, rules can look cryptic to humans:

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Medium 9780596522926

14. Flash and Other Multimedia

David Sawyer McFarland O'Reilly Media ePub

With Cascading Style Sheets (Chapter4), Spry widgets (Chapter12), Dreamweaver Effects and Behaviors (Chapter13), and images (Chapter6), you can bring your Web pages to life with interactivity and animation. But as you probably have noticed, more and more Web pages these days blink, sing, and dance with sound, video, and advanced animation.

You can create these effects too, but you'll need outside help from programs like Flash (see Figure14-1), Director, or the Java programming language, all of which are designed to create complex multimedia presentations. Dreamweaver provides powerful tools for adding these external media files and embedding them into your Web pages.

Four warnings, however. First, while all the technologies discussed in this chapter let you expand your Web pages into new and exciting territory, they also require that your site visitors have external applications (not just a Web browser). These programs, usually called plug-ins, are a bit controversial in the Web development community, mainly because they can limit your audience. Not all Web site visitors have the necessary plug-ins installed on their computers. Those guests must choose from three equally unpalatable options: go to a different Web site to download the plug-in, skip the multimedia show (if you've built a second, plug-infree version of your site), or skip your Web site entirely. All media types in this chapter require a plug-in of some kind; see each section for more detail.

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