![]() ![]() ![]() ![]() Many are specialized for a particular use- DXF and DWG, for example, are intended for use in CAD programs, while AI is used primarily with Adobe Illustrator. There are a wide range of vector file types available. Vector graphics are created in graphics packages such as Adobe Illustrator, AutoCAD or Scan2CAD. Even when enlarged, the image appears crisp, and all its details have been preserved. You can zoom into or enlarge a vector image without losing any quality. Another distinguishing characteristic of vector graphics is their scalability. This makes it easy to move, enlarge, and rotate each element-and much more. In a bitmap, this would be close to impossible. Taken together, these objects contain the information required to correctly display the image on screen.Ī key difference between bitmaps and vector images is the ability to edit individual elements. Individual elements within a vector image can be edited and transformed separately. These ‘instructions’ contain information about the position of an object within the image line width and length, and any color information. Rather than being made up of pixels, vector objects can be thought of as a set of instructions. They can include lines, curves, shapes and text. Vector graphics consist of shapes called objects. It’s simpler to edit a bitmap image as a whole-for example, by editing its contrast or brightness, or by applying a filter (like the ones you can find on Instagram). This makes it difficult to edit individual elements within the image. When you edit a bitmap image, you’re editing the color values of individual pixels. You can also create bitmap graphics using software like Microsoft Paint and Adobe Photoshop. When you take a photo using a digital camera or scan a drawing into your PC, you’re creating a bitmap image. To combat this, bitmap images can be slimmed down using lossy or lossless compression methods. A very large image with many colors would therefore have a very large file size. However, most images use more than one bit per pixel-a “true color” image, for example, uses 24 bits per pixel. In the simplest images, which contain only black and white, it is possible to use just 1 bit per pixel. The “map” therefore refers to how these bits are arranged in a rectangular grid. A “bit” is essentially a value of either 0 or 1. The term bitmap quite literally means “map of bits”. If you enlarge the photo enough, you can clearly see the individual dot of color, as you can see on the image on the left. It is easy to identify a bitmap image by zooming into the image. These pixels (short for picture elements) are tiny, individual squares of color that are arranged in a grid to form an image. Bitmap images (also known as raster images) are made up of pixels in a grid each pixel containing a color value. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |