Monday 12 June 2023

Computer Graphics




What is computer graphics?


Computer graphics refers to a technology that generates images on a computer screen. It’s used in digital photography, film and television, video games, and on electronic devices and is responsible for displaying images effectively to users. Think of computer graphics as the intersection of design and computer science, with the purpose of delighting and engaging audiences.

You can find examples of computer graphics in action all around you. Some examples include blockbuster films, such as the 2009 film Avatar, which depicts the Na’vi species using facial motion capture technologies, images and icons you see on your smartphone when you open mobile applications, and data presentations like charts and graphs you might come across in your line of work.


Types of computer graphics

Raster graphics

A raster graphic is essentially a 2D image composed of rows and columns of square pixels. Each pixel contains information about color and hue. When combined, pixels form a coherent image. The more pixels per inch the more high-resolution an image. A high-resolution raster graphic will appear sharper and more true-to-life than one with low resolution.
 
Vector graphics

A vector graphic is made up of shapes and lines. Mathematical formulas determine how the shapes and lines relate to each other, so that you can scale vector graphics larger or smaller in size without distorting the shape or resolution.

CGI, or computer-generated imagery, turns 2D vector graphics into 3D representations and converts them into raster images. CGI is used in TV, film, or video games to depict characters, scenes, and special effects.

Interactive computer graphics

Interactive computer graphics allow a user to tell a computer how to generate an image. Here’s a sampling of what you can do in interactive computer graphics:

Add automatic zooming on an interactive scrolling interface to improve scan of a 2D information space.

Add automatic adjustments to digital sketch programs to easily record ideas in 2D using digital ink.

Add a dragging feature to clothing animations to improve the experience of adding clothes to 3D characters.

Use motion files from a 3D animation database to generate moving characters from stick figure drawings.

Design indoor lighting using a painting interface to control a robotic lighting system.


Non-interactive computer graphics

In contrast to interactive computer graphics, non-interactive computer graphics do not allow users to determine how images are generated. Examples of non-interactive computer graphics include images for a website or mobile application and 3D animation and CGI in film.
 
Computer graphics software

Using computer graphics software can bring a world of possibilities within reach and allow you to explore your creative and technical potential. In the table below, we cover the cost and features of five software programs, as well as how users rate each program on G2, a site for discovering and reviewing software. G2 ratings for these software programs reflect users’ perceptions of the ease of use and quality of support

Computer graphics jobs

If you’re thinking about pursuing a career in computer graphics, it’s helpful to know what kinds of jobs may be available to you. Below, we list some job titles you may come across in your research and include average total US salary figures from Glassdoor as of January 2023, and responsibilities and typical job requirements from Zippia and ZipRecruiter.

Use this list as a basis for further research and choosing the path that aligns with your long-term goals.
 
Computer graphics designer

What they make: $59,518

What they do: design graphics for interactive websites; create visuals for print or digital use; use graphics software to satisfy stakeholders’ needs

Qualifications they need: knowledge of graphics software; graphic design and computer graphics skills; associate or bachelor’s degree in graphic design, computer science, or computer applications
 
Digital artist

What they make: $54,344

What they do: use computer software to create digital art and design graphic images; work with illustrations, photography, and text

Qualifications they need: bachelor’s degree in visual or commercial art, graphic design, or related field; knowledge of graphics software; artistic talent

Web developer

What they make: $82,534

What they do: design and maintain websites; test out new code; test web modules; optimize user-interface designs; provide technical support to project stakeholders

Qualifications they need: bachelor’s or master’s degree in computer science, IT, or computer engineering; knowledge of JavaScript, HTML, and CSS; UX/UI skills; front-end development skills

Animator

What they make: $58,059

What they do: sketch scenes; create storyboards; animate characters, props, and scenery; collaborate with other creatives to animate films and games

Qualifications they need: skills in animation, motion capture, storyboards, motion graphics; experience using animation software; associate or bachelor’s degree in animation, graphic design, fine arts, or computer science


Game artist

What they make: $59,935

What they do: create art and visual elements for video games; use software to build characters, objects, textures, clothing, etc.; collaborate with teams and stakeholders to complete projects

Qualifications they need: associate or bachelor’s degree in graphic design, animation, or fine arts; skills in animation and sketching; skills using Maya; UI skills


Graphic engineer

What they make: $82,204

What they do: create integrated graphics and visual effects systems for software applications; collaborate with artists and graphic designers to create motion graphics and visuals

Qualifications they need: skills in C++, OpenGL, Unity, and other technologies; animation skills; associate’s or bachelor’s degree in graphic design, computer science, or drafting and design

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