The vector images are defined mathematically, primarily based on their geometric characteristics. To be precise, a vector image is described by a set of geometric primitives that describe points, lines, curves, and polygons to which we will attribute colours and shades. They are radically completely different from raster images, which are described as a grid of properly colored pixels.

Advantages

1. In most cases, vector images will require lesser disk house than a bitmap. They are largely formed by flat colors or simple gradients because of which they don’t require a whole lot of disk space. Lesser the information to create the image, smaller is the file size. Thus, they are given more preference compared to different images.

2. Vector images don’t lose quality when they’re scaled. In precept, a vector image could be scaled indefinitely. Within the case of matrix images, a degree is reached where it is evident that the image is composed of pixels. Thus, the quality of vector images is superior to different forms of images.

3. They can be easily saved and modified within the future. One of the best part is that, the process of modification is quite simple as well. All kinds of changes could be easily managed without any difficulty. Even if a file is modified, the resultant file does not occupy loads of space. This is one other reason why they’re used across industries.

4. The process of creating them is quite simple as well. Actually, utilizing easy drawings we are able to get advanced vector images without a number of difficulty. Simple and user-friendly programs similar to Macromedia Freehand, Corel Draw and Adobe Illustrator can be utilized for creating easy drawings, which will be transformed to vector images.

Disadvantages

1. They are typically not suitable for encoding pictures or videos taken in the “real world” (for instance – images of nature), although some formats help a blended composition. Virtually all digital cameras store images in bitmap.

2. The data used to explain them must be processed by a powerful machine, i.e. the computer should be highly effective enough to perform the required calculations for forming the ultimate image. If the data quantity is high it might sluggish down the rendering of the image on screen, even when working with small files.

3. Another disadvantage is that, even small drawing errors are sometimes seen, when the images are enlarged to certain extent. Such an incident can affect the quality of the images, especially when they’re used within the subject of animation.

Despite the fact that vector images have a couple of disadvantages, they’ve a wide range of applications and are carried out in the fields of computer graphics, architecture and engineering etc.

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