- Getting started
- Adding graphics from other programs
- Comparing vector and bitmap graphics
- Managing links to imported files
- Updating revised graphics
- Adjusting display quality
- Importing and sizing graphics
- Editing placed pictures
- Working with dropped backgrounds
- Importing native Adobe graphic files
- Using subject-aware text wrap
- Filling type with a graphic
- Using an InDesign library to manage objects
- Exploring on your own
- Review questions
- Review answers
This chapter is from the book
This chapter is from the book
This chapter is from the book
Comparing vector and bitmap graphics
The drawing tools in Adobe InDesign and Adobe Illustrator create vector graphics, which are made up of shapes based on mathematical expressions, like plotting points on a graph. Vector graphics consist of smooth lines that retain their clarity when resized. They are appropriate for illustrations, charts and graphs, type, and graphics such as logos. Vector graphics can be scaled to any size with no loss of quality.
Bitmap images, or raster graphics, are made up of a grid of pixels and are typically created with digital cameras and then modified using an image-editing application, such as Adobe Photoshop, or created directly in Photoshop. In working with bitmap (raster) images, you edit pixels rather than objects, points, or shapes. Raster (pixel-based) graphics are appropriate for continuous-tone images, such as photographs and artwork created in painting applications. Typically, raster images are larger in file size than a similar vector graphic. A disadvantage of raster graphics is that they lose definition and appear “jagged” when enlarged. Consequently, pixel-based graphics do lose quality when enlarged.
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In general, use vector-drawing tools to create art or type with clean lines, such as a logo, which might be used small on a business card and very large on a poster. You can create vector artwork using the InDesign drawing tools, or you may prefer to take advantage of the wider range of vector-drawing tools available in Illustrator. Use Photoshop to create bitmap images that have the soft edges of painted or photographic art, to retouch or alter photographs, and to apply special effects to artwork.