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A .tif image is saved uncompressed, which is fast but takes up a lot of disk space. Both .png and .jpg will create smaller files, but because of the compression they will usually require more time to save, making the sketch run slowly. If your desired output is vector graphics, you can write the output to PDF files for higher resolution. The PDF Export library makes it possible to write PDF files directly from a sketch. These vector graphics files can be scaled to any size without losing resolution, which makes them ideal for print output—from posters and banners to entire books. Example 13-5: Draw to a PDF This example builds on Example 13-4 on page 190 to draw more robots, but it removes the motion. The PDF library is imported at the top of the sketch to extend Processing to be able to write PDF files. This sketch creates a PDF file called Ex-13-5.pdf because of the third and fourth parameters to size(): import processing.pdf.*; PShape bot; void setup() { size(600, 800, PDF, "Ex-13-5.pdf"); bot = loadShape("robot1.svg"); } void draw() { background(0, 153, 204); for (int i = 0; i < 100; i++) { float rx = random(-bot.width, width); float ry = random(-bot.height, height); shape(bot, rx, ry); } exit(); } The geometry is not drawn on the screen; it is written directly into the PDF file, which is saved into the sketch’s folder. The code in this example runs once and then exits at the end of draw(). The resulting output is shown in Figure 13-1. Extend 191
192 Getting Started with Processing <strong>www</strong>.<strong>ebook777.com</strong> There are more PDF Export examples included with the Processing software. Look in the PDF Export (pdf) section of the Processing examples to see more techniques. Figure 13-1. PDF export from Example 3-5
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Example 3-11: Set Stroke Weight. .
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7/Media. . . . . . . . . . . . . .
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12/Data. . . . . . . . . . . . . .
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Processing experienced a long child
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that can be applied to creating gam
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Maker Media, Inc. 1160 Battery Stre
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Through founding the Aesthetics and
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2 Getting Started with Processing w
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10 Getting Started with Processing
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Figure 3-3. Colors are created by d
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Figure 8-2. A sine wave is created
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