2D web icons along with 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 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 and many others. Meshing basic models you may get more complex ones.
2D web icons aren't like the real three-dimensional objects but due to the layers technique they are able to create the illusion of all 3D characteristics like shadow, reflection or highlighting. The layers really should maintain the certain hierarchy and order carefully. This makes editing 2D icons and similar objects easier.
2.5D Icons as the pseudo 3D kind of 2D Icons
The layered 2Dicons may also be generally known as 2.5D models. This technology provides web designers ability to work with any layer without touching the others. The best of the well known graphics editors choose this type of 2D object development.
2.5D is a synonym to pseudo 3D and is interpreted as "two-and-a-half-dimensional" graphics. Models that were created with a help of with 2.5D technology appear to be tridimensional while in fact they are not.
This technology used for designing 2D web icons is usually 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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