Read e-book online STACS 85: 2nd Annual Symposium on Theoretical Aspects of PDF

By Klaus Ambos-Spies (auth.), K. Mehlhorn (eds.)

ISBN-10: 3540139125

ISBN-13: 9783540139126

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Read Online or Download STACS 85: 2nd Annual Symposium on Theoretical Aspects of Computer Science Saarbrücken, January 3–5, 1985 PDF

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Extra resources for STACS 85: 2nd Annual Symposium on Theoretical Aspects of Computer Science Saarbrücken, January 3–5, 1985

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Generally, you want a Background layer in your document unless you need the document to be transparent — for example, if you print it out onto transparencies, or you’re saving out a transparent GIF for use on the Web. CROSS-REF You can convert between the Background layer and a normal layer (and vice versa). Find out how to do this in Chapter 2. 7). The basic job of these layers is to hold the various bitmapped images that make up your document. The Background layer described previously is essentially a normal layer that’s locked down to the back of the document.

There cannot be more than one Background layer in a document. The Background layer is always at the back of the document (and therefore the bottom of the Layers palette), and it never has any transparent areas. You can’t move this layer up and down the Layers palette, nor can you move its contents around with the Move tool, or change its blending mode or opacity, which are permanently locked. However, you can delete the Background layer, which makes your document transparent. Likewise, you can create a new transparent document, which has no Background layer.

The Smart Filters also have their own mask, so that you can apply the filters selectively to the Smart Object. In practice this means that you can apply a Radial Blur filter to a Smart Object, for example, and then reedit or remove that blur later on in the process if you change your mind. 14 shows a Smart Object with such a Smart Filter applied. This is a major leap forward for Photoshop and brings it more into line with the nondestructive tendencies of many major applications in the graphics world, as well as the audio/visual world.

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STACS 85: 2nd Annual Symposium on Theoretical Aspects of Computer Science Saarbrücken, January 3–5, 1985 by Klaus Ambos-Spies (auth.), K. Mehlhorn (eds.)


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