2D web icons as well as other objects are famous for their flexibility. This is achieved by the peculiarity of rendering them at different resolutions suitable 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 such as rotation, scaling or angular position etc. Meshing basic models you will get more advanced ones.
2D web icons usually are not like the real three-dimensional objects but because of the layers technique they are able to create the illusion of all 3D characteristics like shadow, reflection or highlighting. The layers should maintain the certain hierarchy and order carefully.
2.5D Icons
The layered 2Dicons may also be generally known as 2.5D models. This technology enables website designers to work with any layer with no need of touching the others. The best of the prominent graphics editors prefer this type of 2D object development.
2.5D is a synonym to pseudo 3D. It means "two-and-a-half-dimensional" graphics. Models that were built with a help of with 2.5D technology appear to be tridimensional but in fact they aren't. The featured projection depicts both front and side views.
This technology used for designing 2D web icons is often achieved by the special lighting effect. 3D illusion is reached due to the virtual light source to the left or to the right side and above the users monitor.
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