3D rendering

[2] Rendering for interactive media, such as games and simulations, is calculated and displayed in real time, at rates of approximately 20 to 120 frames per second.

Rendering software may simulate such visual effects as lens flares, depth of field or motion blur.

These are attempts to simulate visual phenomena resulting from the optical characteristics of cameras and of the human eye.

[4] Non-real-time rendering enables the leveraging of limited processing power in order to obtain higher image quality.

Techniques have been developed for the purpose of simulating other naturally occurring effects, such as the interaction of light with various forms of matter.

Computer processing power has increased rapidly over the years, allowing for a progressively higher degree of realistic rendering.

Film studios that produce computer-generated animations typically make use of a render farm to generate images in a timely manner.

[9] A simple example of shading is texture mapping, which uses an image to specify the diffuse color at each point on a surface, giving it more apparent detail.

Programs produce perspective by multiplying a dilation constant raised to the power of the negative of the distance from the observer.

Orthographic projection is used mainly in CAD or CAM applications where scientific modeling requires precise measurements and preservation of the third dimension.

3D render engines can be based on different methods, such as ray-tracing, rasterization, path-tracing, also depending on the speed and the outcome expected, it comes in different types – real-time and non real-time, which was described above CAD libraries can have assets such as 3D models, textures, bump maps, HDRIs, and different Computer graphics lighting sources to be rendered.