2D web icons along with other objects are remarkable for their flexibility. This versatility is achieved by rendering them at various resolutions suitable 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 such as rotation, scaling or angular position and so on. Meshing basic models you may get more complex ones.
Due to the layers technique 2D icons can create the illusion of all 3D characteristics like shadow, reflection or highlighting. The layers really should maintain the definite hierarchy and order carefully. This makes modifying 2D icons and similar objects easier.
2.5D Icons vs 3D and 2D Icons
2Dicons also are widely recognized as 2.5D models. This technology gives web designers ability to work with any layer without touching the others. This type of 2D object creation is preferred by the most of the prominent graphics editors.
2.5D is a synonym to pseudo 3D and is interpreted as "two-and-a-half-dimensional" graphics. Models which were developed with a help of with 2.5D technology appear to be tridimensional but in fact they are not.
This technology used for designing 2D icons is frequently achieved 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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