2D icons along with other objects are well known 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).
These items can be managed by 2D transformations for example rotation, scaling or angular position etc. Meshing basic models you will get more advanced 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 really should maintain the definite hierarchy and order carefully.
2.5D Icons vs 3D and 2D Icons
The layered 2Dicons are also known as 2.5D models. This technology gives 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 well known 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 look like tridimensional while in fact they aren't. The featured projection represents both front and side views.
This technology used for designing 2D icons is often 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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