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Java 3D

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Java 3D is a scene graph-based 3D application programming interface (API) for the Java platform. It runs on top of either OpenGL or Direct3D until version 1.6.0, which runs on top of Java OpenGL (JOGL). Since version 1.2, Java 3D has been developed under the Java Community Process. A Java 3D scene graph is a directed acyclic graph (DAG).

Java 3D
Developer(s)Sun Microsystems & JogAmp Community
Stable release
1.7.0 / January 25, 2020; 4 years ago (2020-01-25)
Preview release
- / -
Operating systemCross-platform
Type3D computer graphics software (library/API)
LicenseGPL version 2+GPL linking exception
WebsiteJogAmp's Java3D Continuation forum
Java 3D central hierarchies in LePUS3

Compared to other solutions, Java 3D is not only a wrapper around these graphics APIs, but an interface that encapsulates the graphics programming using a true object-oriented approach. Here a scene is constructed using a scene graph that is a representation of the objects that have to be shown. This scene graph is structured as a tree containing several elements that are necessary to display the objects. Additionally, Java 3D offers extensive spatialized sound support.

Java 3D and its documentation are available for download separately. They are not part of the Java Development Kit (JDK).

History

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Intel, Silicon Graphics, Apple, and Sun all had retained mode scene graph APIs under development in 1996. Since they all wanted to make a Java version, they decided to collaborate in making it. That project became Java 3D. Development was underway already in 1997. A public beta version was released in March 1998. The first version was released in December 1998. From mid-2003 through summer 2004, the development of Java 3D was discontinued. In the summer of 2004, Java 3D was released as a community source project, and Sun and volunteers have since been continuing its development.

On January 29, 2008, it was announced that improvements to Java 3D would be put on hold to produce a 3D scene graph for JavaFX[1] JavaFX with 3D support was eventually released with Java 8.[2] The JavaFX 3D graphics functionality has more or less come to supersede Java 3D.

Since February 28, 2008, the entire Java 3D source code is released under the GPL version 2 license with GPL linking exception.[3]

Since February 10, 2012, Java 3D uses JOGL 2.0 for its hardware accelerated OpenGL rendering. The port was initiated by Julien Gouesse.[4]

Features

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A screenshot of work drawn with Java 3D

Competing technologies

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Java 3D is not the only high-level API option to render 3D in Java. In part due to the pause in development during 2003 and 2004, several competing Java scene graph technologies emerged:

General purpose:

Gaming:

Visualization:

In addition to those, many other C or C++ scene graph APIs offer Java support through JNI.

At a lower level, the JOGL (JSR 231) OpenGL bindings for Java are a popular alternative to scene graph APIs such as Java 3D. LWJGL is another such binding.

See also

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References

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  1. ^ "ANNOUNCEMENT: Java 3D plans". Sun Microsystems. 2008-01-29. Archived from the original on 2012-03-10. Retrieved 2011-05-11.
  2. ^ "What's New in JDK 8". Oracle Corporation. 2014-03-18.
  3. ^ "ANNOUNCE: GPL open source release". Sun Microsystems. 2008-02-28. Archived from the original on 2008-03-24. Retrieved 2008-02-29.
  4. ^ "Java3D now works with JOGL 2.0". Julien Gouesse. 2012-10-02. Retrieved 2012-10-02.
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