View source for Convert VRML97 To X3D

== Convert VRML97 To X3D ==
This article documents how to convert a VRML97 file to a VRML Classic Encoding X3D file.

'''Change the header from #VRML V2.0 utf8 to:'''

<nowiki>#X3D V3.0 utf8</nowiki>

'''Add a profile statement:'''

PROFILE Immersive

=== Field names ===

This section details how to convert some field names

'''Change the fieldnames of some nodes''' 

In node "LOD": change from "range" to "children"
In node "Switch": change from "choice" to "children"

=== Scripting ===
This section details how to convert scripting.

'''Change field declarations from eventIn, field, exposedField, eventOut to:'''

inputOnly, initializeOnly, inputOutput, outputOnly

==== Ecmascript ====
This section shows details on converting vrmlscript/javascript scripts to ecmascript.

'''Change vrmlscript/javascript scripts to ecmascript, url "javascript:" becomes:'''

url "ecmascript:"

'''Change methods to properties'''
Functions like Browser.getCurrentFrameRate() are now ecmascript properties.  So they become Browser.currentFrameRate

Other functions that have changed are:
#getName() became '''name'''
#getVersion() became '''version'''
#getCurrentSpeed() became '''currentSpeed'''
#getCurrentFrameRate() became '''currentFrameRate'''
#createVrmlFromString() became '''createX3DFromString'''
#createVrmlFromURL() became '''createX3DFromURL'''
#setDescription() became '''description'''

Some functions have moved from the Browser object to the X3DExecutionContext object:
#addRoute() is now '''Browser.currentScene.addRoute()
#removeRoute() is now '''Browser.currentScene.removeRoute()
#createVrmlFromString is now '''createX3DFromString'''
#getWorldURL() became '''worldURL'''


==== Java ====
Java scripting will need to be converted to the new SAI interfaces.  A more detailed writeup of this process will follow.

=== available VRML97 to VRML Classic Encoding X3D converters ===
There are programs to convert from VRML97 (infile.wrl) to VRML Classic Encoding X3D (outfile.x3dv):
white_dune (since version 0.29beta600): use "dune -x3dv infile.wrl > outfile.x3dv" on the commandline