2D icons along with other objects are famous 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).
All these items can be managed by 2D transformations for example rotation, scaling or angular position etc. Meshing basic models you may get more complex ones.
2D icons are not similar to 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 keep the definite hierarchy and order carefully. This makes editing 2D icons and related objects simpler.
2.5D Icons
2Dicons also are widely recognized as 2.5D models. This technology enables website designers to work with any layer with no need of touching the others. The most of the well known graphics editors choose this kind of 2D object development.
2.5D is a synonym to pseudo 3D and is interpreted as "two-and-a-half-dimensional" graphics. Models which were built with a help of with 2.5D technology appear to be tridimensional while in fact they are not. The featured projection depicts both front and side views.
This technology used for designing 2D 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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