[X3D-Public] convert x3d zu wrl

[Zlatomir Zarkov]

Hi Chris,

That file has x3d encoding and .wrl extension.
Just change extension to .x3d, open it with BS Contact
and than save it as a VRML 2.0 file type and you are done.

regards,
Zlatomir


Quoting Chris <chris.schweighofer at gmx.net>:

> Hello Michalis,
>
>
> thx for the explanation. I know x3d is better, but I have to convert  
> it, because the 3D printer only accepts wrl format.
>
> I tried to convert it, but it looks quite complicated for me, even  
> if I look at your description.
> Here is a link to the file:  
> www.bestaltmed.at/slicer/modelcullfrontface2.wrl.zip
>
> Can you tell me please, which part I have to remove and how I should  
> add the #VRML V2.0 utf8 to get a working wrl file?
>
> I was looking inputonly,... but I did not found anything.
>
> Thx,
> Chris
>
>
> Am 20.07.2012 um 15:44 schrieb Michalis Kamburelis:
>
>> Chris wrote:
>>> Hello people,
>>>
>>> I want to convert a x3d file to a wrl file.
>>>
>>> Would somebody be so kind and explain me how that works?
>>>
>>
>> Note that conversion from X3D to VRML inherently means loosing some  
>> things. VRML (2.0, and 1.0 even more so) is an older standard, and  
>> just cannot express many things that are possible in X3D. I would  
>> advise to use modern tools that can work with X3D. Converting your  
>> models from X3D to VRML is a little step backward...
>>
>> That said, for simple models you can do it like this:
>>
>> 1. If your X3D file is in XML encoding (.x3d extension), convert it  
>> to X3D in classic encoding first (.x3dv extension). E.g.  
>> view3dscene allows to do this  
>> (http://castle-engine.sourceforge.net/view3dscene.php , conversion  
>> can be done by menu items or command-line options  
>> http://castle-engine.sourceforge.net/view3dscene.php#section_converting ).  
>> And probably all other converters mentioned in a link from Roland,  
>> http://www.web3d.org/x3d/content/examples/X3dResources.html#Conversions ,  
>> as far as I know at least InstantReality can convert between  
>> encodings.
>>
>> Save the resulting file under .wrl extension, and do the rest of  
>> conversion by opening the file in a text editor:
>>
>> 2. Replace the header, removing lines:
>>
>> #X3D V3.2 utf8
>> PROFILE ...
>> COMPONENT ...
>> META ...
>>
>> and adding instead
>>
>> #VRML V2.0 utf8
>>
>> 3. Replace some keywords (X3D -> VRML 2.0):
>> inputOnly -> eventIn
>> outputOnly -> eventOut
>> inputOutput -> exposedField
>> initializeOnly -> field
>>
>> That's it. This should work Ok for simple models, that use the  
>> basic nodes that exist in both VRML 2.0 and X3D. (Converting X3D to  
>> VRML 1.0 is more involved, but I guess you don't want this, as VRML  
>> 1.0 is really ancient.)
>>
>> Hope this helps,
>> Michalis
>
>



--
Zlatomir Zarkov
zzarkov at vrinternal.com
www.vrinternal.com