2D web icons and other objects are remarkable for their flexibility. This is achieved by the peculiarity of rendering them at different resolutions ideal for various output devices.
2D Icons may embody the next 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 will get more complex ones.
2D web icons aren't like the real three-dimensional objects but because of the 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 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 with no need of touching the others. This kind of 2D object creation is preferred by the most of the prominent graphics editors.
2.5D is a synonym to pseudo 3D. It means "two-and-a-half-dimensional" graphics. Models created with 2.5D technology look like tridimensional while in fact they are not.
This technology used for designing 2D icons is usually 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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