2D web icons and other objects are well known for their flexibility. This versatility is achieved by rendering them at various 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).
All these items can be managed by 2D transformations for example rotation, scaling or angular position etc. Meshing simple models you will get more complex ones.
2D icons are not like the real three-dimensional objects but as a result of layers technique they can create the illusion of all 3D characteristics like shadow, reflection or highlighting. The layers should maintain the definite hierarchy and order carefully.
2.5D Icons vs 3D and 2D Icons
The layered 2Dicons may also be generally known as 2.5D models. This technology offers web site designers ability to work with any layer with no need of touching the others. This type 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 created with 2.5D technology appear to be tridimensional while in fact they are not. The featured projection represents both front and side views.
This technology used for designing 2D icons is usually achieved by the special lighting effect. 3D illusion can be reached due to the virtual light source to the left or to the right side and above the users monitor.
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