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Computer Graphics By: Safa, Fahad, Pranjal, Abdullah
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Computer Graphics (Vectors Vs. Rasters)
By: Pranjal, Abdullah, Safa, Fahad
Definitions
Definitions (1)
Computer Science: The study of computers and computational systems is known as computer science. Computer scientists, as opposed to electrical and computer engineers, focus primarily on software and software systems, including their theory, design, development, and application. Artificial intelligence, computer systems and networks, security, database systems, human computer interaction, vision and graphics, numerical analysis, programming languages, software engineering, bioinformatics, and computing theory are some of the main fields of study in computer science. Computer scientists investigate the performance of computer hardware and software in addition to designing and studying methods to solve programmes.
Computer graphics: Computer science's study of techniques for digitally synthesising and modifying visual content. Even while the phrase is frequently used to describe the study of three-dimensional computer graphics, it also includes image processing and two-dimensional graphics. Instead of concentrating on solely aesthetic concerns, it emphasises the mathematical and computational underpinnings of picture synthesis and processing. Despite the fact that the domains of computer graphics and visualisation share many commonalities, they are frequently distinguished from one another.
Definitions (2)
Definitions (2)
Vector: Generates images by combining mathematical equations, lines, and curves with fixed points on the grid. It has no pixels unlike a raster. All vector file’s mathematical formulas will capture shape, border and fill color to build the image. As the mathematical formula can adjust to any size, it is accessible to scale the vector image up or down without affecting the quality.
Raster: A tiny square that, in great quantity, can form highly detailed images. The more pixels an image has,the higher quality and vice versa it will be. Number of pixels depend on the file type(ex: GIF, PNG, and JPEG)
Imporatnce of Computer Graphics
Importance
Computer graphics really shine in applications. For engineering applications, the ability to rapidly examine newly produced shapes is crucial (such as automotive and aerospace). Before computer graphics, designers produced expensive prototypes and time-consuming clay models. Designers may now interact with computer-based models of their shapes to check them out and make changes. As a result of recent advancements in imaging technology like computer tomography and magnetic resonance imaging, medical personnel may now take 3D X-rays of the human body. With interactive computer graphics, the doctor can evaluate this large amount of data in unique and beneficial ways.
History
History
Vectors: https://blog.logoraisr.com/history-of-vector-graphics/
Rasters: https://www.youtube.com/watch?v=8qXoiOJiXFU
Videos
Videos
Vectors
The 1960s and 1970s saw the introduction of vector graphics for computer displays. The Scalable Vector Graphics open source language, which includes vector and raster elements, was developed by the World Wide Web Consortium from the work on the Vector Markup Language. It was invented by Ivan Edward Sutherland.
The History of Vectors Vectors were created by Ivan Edward Sutherland, an inventor and leader in computer-aided graphic design. This occurred in the 1960’s, when Sutherland created the application Sketchpad, a graphic design software. Sutherland was aware that dividing his art into individual anchors would allow for lines that are mathematically defined, precise and clean, and convenient as it allows for the shaping of a variety of curves.
Rasters
Raster graphics was started as the raster scan of cathode ray tube (CRT) video monitors, this is where it paints an image by using elecrostatic and magnetic waves. Guiding a focused electron beam. This was invented by a German scientist, Ferdinand Braun. It was originally used for television technology.
Rasters
Raster graphics was not just invented by one person, but many who invented and upgraded it into what raster graphics are today. A. Michael Noll of Bell Labs developed the first scanned display with raster computer graphics in the late 1960s. However, when he filed the patent application on Febuary 5, it was rejected by the Supreme Court in 1977. It was due to the question of whether computer software could be copyrighted.
T-Chart
Raster Image
Vector Image
Scalable
Resolution
Pixel, device dependent
Small
Large, depends on exported resolution
File Size
Photography
Print Materials
Usage
Fonts
Logos
Coin designs
laser engravings
T-shirts
Patches
Digital printing (e.g., business cards, billboards)
Lower thirds for video
2D or 3D computer animation
Differences
BMP
GIF , JPG
PNG , TIFF
File Formats
EPS
SVG
AI
Vector-based software (e.g., Adobe Illustrator)
Raster-based software (e.g., Adobe Photoshop)
Digital cameras
Scanned images
Software
The Future:
Daily use of vector: In daily life, vectors are used to help locate individuals, locations, and objects. They can also be used to describe objects that are responding to an outside stimulus by acting in a certain way. A vector is a quantity that has both a magnitude and a direction. The motion of bodies under the influence of an external force is precisely described by the first, second, and third principles of Newton, which are all connections between vectors. From a ball in free fall to a rocket travelling to the moon, Newton's laws can be employed to explain a broad variety of phenomena.
The Future
Importance of Vectors and Rasters
Imporatnce of Vectors and Rasters
Vectors and rasters both have their individual applications, both used for applications in digital art however, their implementation can be used for a variety of reasons. Vectors are primiarily focused on angles and curves, while rasters, in great quantity, can enhance and define picture quality and movement.
Citations
https://www.britannica.com/(computer graphics)
https://www.adobe.com/
https://pavilion.dinfos.ed
https://pavilion.dinfos.edu/
https://undergrad.cs.umd.edu/
https://www.youtube.com/watch?v=PYAGngmfXAk (history of vector and raster)
https://www.techtarget.com/whatis/definition/vector-graphics#:~:text=Vector%20graphics%20were%20originally%20used,contains%20vector%20and%20raster%20elements
https://www.coreldraw.com/en/learn/guide-to-vector-design/history-of-vector-graphics/
https://www.geeksforgeeks.