The vector images are defined mathematically, primarily based on their geometric characteristics. To be exact, a vector image is described by a set of geometric primitives that describe points, lines, curves, and polygons to which we are able to attribute colours 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 area than a bitmap. They’re principally fashioned by flat colours or easy gradients because of which they do not require a number of disk space. Lesser the knowledge to create the image, smaller is the file size. Thus, they are given more desire compared to other images.
2. Vector images do not lose quality when they’re scaled. In precept, a vector image may be scaled indefinitely. In the case of matrix images, a degree is reached the place it is evident that the image consists of pixels. Thus, the quality of vector images is superior to different forms of images.
3. They are often simply saved and modified in the future. The very best part is that, the process of modification is quite easy as well. All kinds of modifications may be easily managed without any difficulty. Even when a file is modified, the resultant file does not occupy loads of space. This is another reason why they are used across industries.
4. The process of creating them is quite simple as well. In actual fact, utilizing easy drawings we can get advanced vector images without a whole lot of difficulty. Simple and person-pleasant programs corresponding to Macromedia Freehand, Corel Draw and Adobe Illustrator can be used for creating easy drawings, which will be transformed to vector images.
Disadvantages
1. They’re usually not suitable for encoding footage or videos taken within the “real world” (for example – pictures of nature), although 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 powerful machine, i.e. the pc should be powerful enough to perform the required calculations for forming the ultimate image. If the data volume is high it may sluggish 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 sometimes visible, when the images are enlarged to certain extent. Such an incident can have an effect on the quality of the images, especially when they’re used within the discipline of animation.
Despite the truth that vector images have a number of disadvantages, they’ve a wide range of applications and are carried out within the fields of laptop graphics, architecture and engineering etc.
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