[X3D-Ecosystem] [x3dom-users] Donation of STL and PLY output

[John Carlson]

I did see mention of the use of 3 spine points instead of two in the issue
you linked.  This is what I will try to accomplish, and report back at some
point in the future.

Thanks,

John
On Sun, Jul 6, 2025 at 4:37 PM Andreas Plesch <andreasplesch at gmail.com>
wrote:

> Hi John,
>
> you are right. This is a known issue. Extrusions only work reliably along
> the y-axis in x3dom. There are several github issues but there were no
> contributions for a proper fix.
>
> In the example, the extrusion is along the x-axis. So you could adjust the
> code to first extrude along the y-axis and then rotate the extrusion,
> around the z-axis by 90 degrees. Here is the example in x3dom with such a
> work around (apologies for the long url, I currently cannot log in):
>
>
> https://andreasplesch.github.io/Library/Viewer/index.html?url=data:text/plan;base64,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
>
>
> On Sun, Jul 6, 2025 at 12:51 AM John Carlson <yottzumm at gmail.com> wrote:
>
>> It seems like X3DOM doesn’t do extrusion properly, at least according to
>> successful renderings in other browsers.  This is a long term issue,
>> mentioned several times.  This is one reason I don’t use X3DOM on a more
>> regular basis.  So I tried converting my extrusion to PLY, and things are
>> even worse.
>>
>> I need:
>>
>> 1) a way to render extrusions properly in X3DOM.
>> 2) a way to tessellate X3D XML/JSON Extrusions to PLY.
>>
>> I will put this on a feature request.
>>
>> John
>>
> _______________________________________________
>> X3dom-users mailing list
>> X3dom-users at lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/x3dom-users
>
>
>>
>
> --
> Andreas Plesch
> Waltham, MA 02453
>
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