2D web icons are actually famous for their flexibility. This flexibility is reached by rendering them at various resolutions ideal for various output devices.
2D Icons may include the following items:
- raster pictures (digital graphics);
- styled text as a typeset for 2D Icons;
- vector models (geometric graphics).
These items can be managed by 2D transformations such as rotation, scaling or angular position etc. Meshing basic models you may get more advanced ones.
2D icons aren't like the real three-dimensional objects but due to the layers technique they can create the illusion of all 3D characteristics like shadow, reflection or highlighting. The layers really should keep the certain hierarchy and order carefully.
2.5D Icons
2Dicons are also well-known as 2.5D models. This technology gives web site designers ability to work with any layer with no need of touching the others. The best of the well known graphics editors prefer this type of 2D object creation.
2.5D is a synonym to pseudo 3D. It means "two-and-a-half-dimensional" graphics. Models created with 2.5D technology appear to be tridimensional while in fact they're not.
This technology used for designing 2D icons is often attained by the special lighting effect. 3D illusion is achieved due to the virtual source of light to the left or to the right side and above the users monitor.
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