2D web icons and other objects are famous for their flexibility. This is achieved by the peculiarity of rendering them at different resolutions ideal for various output devices.
2D Icons items:
- raster pictures (digital graphics);
- styled text as a typeset for 2D Icons;
- vector models (geometric graphics).
The above-mentioned items can be managed by 2D transformations for example rotation, scaling or angular position and so on. Meshing basic models you will get more complex ones.
As a result of layers technique 2D icons can create the illusion of all 3D characteristics such as shadow, reflection or highlighting. The layers should maintain the certain hierarchy and order carefully. This makes editing 2D icons and similar objects simpler.
2.5D Icons
The layered 2Dicons are usually generally known as 2.5D models. This technology provides web site designers ability to work with any layer with no need of touching the others. This kind of 2D object creation is preferred by the most of the leading graphics editors.
2.5D is a synonym to pseudo 3D and is interpreted as "two-and-a-half-dimensional" graphics. Models that were created with a help of with 2.5D technology appear to be tridimensional while in fact they are not.
This technology used for designing 2D icons is frequently attained by the special lighting effect. 3D illusion can be reached as a result of virtual light source to the left or to the right side and above the users monitor.
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