3D Graphics, Animation, Rendering
3D computer graphics are different from 2D computer graphics in that a three-dimensional representation of geometric data is stored in the computer for the purposes of performing calculations and rendering 2D images.
Rendering is the final process of creating the actual 2D image or animation from the prepared scene. This can be compared to taking a photo or filming the scene after the setup is finished in real life.
From : http://en.wikipedia.org/wiki/3D_graphics
GraXML
GraXML is a Geometric Modeller for handling HEP experiments' Detector Description and Event data. It containes full 3D visualisation of the managed elements. It uses Java3D to create, render and manipulate SceneGraph. Its main source of data comes through XML files, where each Schema represents one Generic Model. Such Generic Model is then a source for the GraXML Geometric Model. Direct access (without XML files) is possible too.
GraXML Toolkit provides a foundation for operations on 3D objects (detector elements, events,...). Each external source of 3D data is automaticaly translated into Generic Model which is then analysed and translated into Geometric Model using GraXML modules. The construction of this Geometric Model is parametrised by several parameters (optimisation level, quality level, ...) so that it can be used in applications with different requirements. Geometric Model can be then directly used via thin user applcations. Two visualisation applications are provided in the GraXML Toolkit: GraXML Interactive Display and GraXML Converter into various geometry formats. Other applications can be easily developed.
GraXML (in graphical mode) offers full functionality for browsing and manipulating 3D data. All the standard User Requirements functionality for 3D display is available:
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GraXML
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