The vector images are defined mathematically, based on their geometric characteristics. To be exact, a vector image is described by a set of geometric primitives that describe factors, lines, curves, and polygons to which we will attribute colors and shades. They’re radically totally different from raster images, which are described as a grid of properly colored pixels.
Advantages
1. In most cases, vector images would require lesser disk house than a bitmap. They are mostly fashioned by flat colors or simple gradients because of which they don’t require a number of disk space. Lesser the data to create the image, smaller is the file size. Thus, they are given more preference compared to other images.
2. Vector images don’t lose quality when they’re scaled. In principle, a vector image can be scaled indefinitely. In the case of matrix images, a degree is reached the place it is clear that the image consists of pixels. Thus, the quality of vector images is superior to different types of images.
3. They are often easily saved and modified within the future. The very best part is that, the process of modification is quite easy as well. All kinds of modifications could be simply managed without any difficulty. Even if a file is modified, the resultant file doesn’t occupy loads of space. This is one other reason why they are used throughout industries.
4. The process of making them is quite easy as well. Actually, using easy drawings we are able to get advanced vector images without a lot of difficulty. Simple and user-pleasant programs akin to Macromedia Freehand, Corel Draw and Adobe Illustrator can be used for creating easy drawings, which might be transformed to vector images.
Disadvantages
1. They’re typically not suitable for encoding photos or videos taken in the “real world” (for example – images of nature), though some formats assist a mixed composition. Virtually all digital cameras store images in bitmap.
2. The data used to explain them should be processed by a strong machine, i.e. the computer have to be powerful sufficient to carry out the mandatory calculations for forming the ultimate image. If the data volume is high it could gradual down the rendering of the image on screen, even when working with small files.
3. One other disadvantage is that, even small drawing errors are often visible, when the images are enlarged to certain extent. Such an incident can have an effect on the quality of the images, particularly when they are used in the discipline of animation.
Despite the fact that vector images have just a few disadvantages, they have a wide range of applications and are applied in the fields of computer graphics, architecture and engineering etc.
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