IrfanView. For Mac OS X. GNU Image Manipulation Program Skip to page contents [ News | Screenshots | Features | Downloads | Documentation | Get Involved ][ Plug-in Registry | GIMP Development ] [ Donations ] [ GIMP for Mac OS X This page is obsolete, please see the downloads page. Internet for Image Searching | Welcome | Raster Images versus Vector Images. These two formats are quite different from one another, yet they contrast and complement one another when used appropriately for the desired final output method. Raster images are created through the process of scanning source artwork or "painting" with a photo editing or paint program such as Corel PhotoPAINT or Adobe PhotoShop. Vector images are created through the process of drawing with vector illustration programs such as CorelDRAW or Adobe Illustrator.
The word "vector" is a synonym for line. Vector images can also be created through the process of conversion from a raster image by using a raster to vector conversion program such as CorelTRACE or EuroVECTOR. Raster Images A raster image is a collection of dots called pixels. Resolution The resolution of a raster image or scanned image is expressed in terms of the dots per inch or dpi. Take a 300 dpi bitmap and increase the size in a graphics program, and presto - you have created a bad case of the "jaggies". -----> Continued below.