2D icons are actually notable for their flexibility. This flexibility is reached by rendering them at various resolutions suitable 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).
The above-mentioned items can be managed by 2D transformations for example rotation, scaling or angular position etc. Meshing simple models you may get more advanced 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 keep the certain hierarchy and order carefully. This makes modifying 2D icons and similar objects easier.
2.5D Icons versus 3D and 2D Icons
2Dicons are also widely recognized as 2.5D models. This technology gives web site designers ability to work with any layer without the need of touching the others. The most of the well known graphics editors choose this kind of 2D object creation.
2.5D is a synonym to pseudo 3D. This means "two-and-a-half-dimensional" graphics. Models created with 2.5D technology look like tridimensional while in fact they are not. The featured projection depicts both front and side views.
This technology used for designing 2D icons is frequently attained by the special lighting effect. 3D illusion is achieved as a result of virtual source of light to the left or to the right side and above the users monitor.
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