2D web icons and other objects are well known for their flexibility. This versatility 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 such as rotation, scaling or angular position and many others. Meshing basic models you will get more complex ones.
Because of the layers technique 2D web icons can create the illusion of all 3D characteristics such as 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 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 kind 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 look like tridimensional while in fact they aren't. The featured projection represents both front and side views.
This technology used for designing 2D web icons is frequently attained by the special lighting effect. 3D illusion is 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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