It's because in vector the edges of lines and objects gradually become more transparent, fading into the background or layer behind, which is called anti-aliasing. The difference in a vector and bitmap circle.Įven though they are being displayed on a screen of the same resolution and pixel density, vector graphics look much smoother than bitmap. Bitmap images, though, are helpful for creating pixel-perfect images mathematically aligned. A lower quality bitmap image stores less data on an image, also known as compression.
The various file formats a bitmap image is saved in determines its quality and file size. Bitmap graphics do not anti-alias, but can still render transparency. Unlike vector graphics, bitmap graphics store images as arrays of pixels in a grid formation.
In more advanced terminology, an object is a linkage of splines or groups of splines into one united piece.īitmap Graphics Main article: Raster Graphicsīitmap graphics, also known as raster graphics, are both saved and modified differently. They can even be grouped together or broken apart into multiple objects. Objects can have many parts and various colors to their style. Objects are modifiable whole parts of a vector image they consist of the building-blocks of vector, control points and splines. The less splines that make up a vector image, the lesser the file size will typically be.Ĭontrary to bitmap graphic's "pixels", vector graphics use "objects". Vector graphics also have greater clarity and resolution due to anti-aliasing, and usually have smaller file sizes. Objects can be manipulated individually, too, so one can stretch and rotate one element separately (or group multiple elements to do these operations collectively). The control points can be dragged later on to modify a shape, so getting a complex organic shape to look perfect is simpler. The new pen tool renders a spline (mathematical curve) through a set of control points. Vector graphics make drawings look much smoother, as colors are stored in shapes instead of pixels, but are often slightly more difficult to draw with compared to the bitmap editor. Types of Graphics Vector Graphics Main article: Vector Graphics
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