![]() It’s easy to create “cartoony” drawing using vector graphics, while raster graphics is better for producing complex or realistic art. Raster graphics images will always have a larger file size but are easy on the CPU, as computers are really good at repetitive, straightforward tasks like drawing millions of pixels onto a screen. To render a vector, the computer has to understand a more complicated request: creating a circle. It usually takes more CPU usage to visualize vector graphics. Note how wordy the raster image is! The raster image has to state the color of every single pixel at each coordinate, potentially speaking hundreds of sentences for our simple image. There is a green pixel at the coordinates of x=0, y=2,” and so on. There is a green pixel at the coordinates of x=0, y=1. If a raster image of a green circle were to speak English, it would say, “There is a green pixel at the coordinates of x=0, y=0. Raster graphics describe images as a grid of pixels, making it dependent on the resolution and not easily scaled. If it could speak English, a vector image of a green circle would say something like, “There is a green circle with a radius of 30 pixels at the coordinates of x=0, y=0.” Vector graphics describe images as individual curves and lines, which allows them to be infinitely scalable. ![]() Most of the apps we reviewed are raster graphics programs, while a few have support for vector graphics. It’s helpful to know what these two terms mean before browsing through our list of applications. ![]()
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