VRML
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Revision as of 21:22, 25 July 2020
VRML (Virtual Reality Modeling Language) is a 3D vector format for defining interactive objects and environments. It was designed to be Web-friendly, but ultimately failed to be supported by most web browsers. It was, however, used to some extent in CAD/CAM, where it's known as "WRL files" due to its extension.
Despite the name, it is not related to virtual reality technology other than being a 3D format. For a time prior to its release, it was named Virtual Reality Markup Language.
There are two versions: VRML 1.0, and VRML97 (also known as VRML 2.0). VRML97 is standardized in ISO/IEC 14772-1:1997.
The successor to VRML is X3D.
Contents |
Identifiers
The filename extension for uncompressed VRML files is .wrl (derived from the word "world").
WRL files are sometimes gzip-compressed. Such files may use an extension of .wrz, .wrl.gz, or may still use .wrl.
Identification
VRML 1.0 files begin with the ASCII string "#VRML V1.0 ascii".
VRML97 files begin with the ASCII string "#VRML V2.0 utf8".
(If the file is gzip-compressed, it must be decompressed first.)
Specifications
Sample files
- VRML Samples from the Open Virtual Reality Testbed
- http://www.ocnus.com/models/
- Free VRML aircrafts
- https://telparia.com/unsupportedFileFormatSamples/3d/vrml/abydos.wrl
