The reason is that visuals attract the audience more than anything. Our brain perceives quickly to information in the images. So a good graphic with colors and design has become essential for marketing and content strategy.
There are different types of graphic formats and they have their advantages and disadvantages. Two most commonly used types of graphic are bitmap and vector graphics. The difference between bitmap and vector is that bitmap images are made up of dots called pixels. A pixel is the smallest square that is combined to form a whole image. Vector images are made up of lines and curves that are combined to form a whole graphic. They use objects like circles and polygons to make a whole illustration.
If you zoom out bitmap images, you can see the pixels and the image starts to blur out. But if you zoom out vector images, the image does not blur out but stays smooth. One format has certain advantages and disadvantages over the other. Some other features that differentiate between bitmap and vector graphics are given in the comparison table below.
A Bitmap is a type of graphic that consists of small elements called pixels. Bitmap graphics are also called raster images. Common bitmap image filetypes include:. Vector Graphics Vector images are based on geometrical formulas mathematical equations based on paths, instead of pixels, to represent images. Made up entirely of shapes like rectangles, circles, curves and lines, vectors are drawn and then filled or stroked with color to create a vector image. Individual components of the image or paths can also be modified, edited, and resized without impacting the image.
The Scalable Vector Graphics SVG format comes in a distant fourth due to a legacy of poor support for vector graphics in early browsers. Bitmap formats are best for images that need to have a wide range of color gradations, such as most photographs. Vector formats, on the other hand, are better for images that consist of a few areas of solid color.
Examples of images that are well suited for the vector format include logos and type. Tech-Ease is your source for just-in-time answers for classroom technology questions. Funding for Tech-Ease content development has been provided by by various grants from the University of South Florida and the Florida Department of Education. Rather than a collection of dots, vector graphics are a collection of graphic elements like lines, squares, rectangles, or circles.
Each element in a vector graphic has its own coordinates that can be manipulated and resized individually without distortion since the computer just increases the coordinate values proportionately. It's quite like increasing a proprtion in a recipe! Fortunately, these resizing manipulations don't effect the quality of a vector graphic. Figure 1 above shows you how vector graphics can be resized without loss of quality. There are many different graphic file formats out there for both bitmaps and vector graphics.
Here are some of the common file formats in the graphic design world:. Conversions between file formats are commonplace, although these conversions are mainly successful only between bitmaps and bitmaps or between vectors and vectors. Vector to bitmap conversions are also common, but the other way round is not too common, mainly because it's not possible unless you use a tracing program like Adobe Streamline or CorelTRACE, or the tracing abilities in Adobe Illustrator.
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