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<div class="moz-cite-prefix">On 19/11/16 13:26, Leonard Daly wrote:<br>
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<p>Please read this all of the way through before commenting.</p>
<p>There is lots of interest in providing for the display of 3D
data in the browser. This includes both "flat" 3D (3D monoscopic
displayed) and stereoscopic displays (aka VR or immersive).
Libraries such as X3DOM, Cobweb, THREE.js, and Babylon.js have
pretty much addressed flat 3D. <br>
</p>
<p>There are several active efforts to address the VR display. All
of the work supports both flat & VR displays. Some of the
efforts are procedural (e.g., WebVR, THREE, etc.) and others are
declarative (e.g., X3D, A-Frame).<br>
</p>
<p>The larger community is beginning to realize the need for a
single declarative means for handling the display, animation,
and interaction of 3D content. Most of the community is not a
member of the Consortium, and many are not familiar with X3D (in
any form). There already is a proposed path that starts with
A-Frame. The discussions as to what the declarative language
will look like and how it will work will be extensive and
probably contentious (at least at times). There are a lot of
very large players (Google, especially) involved so it is
important to resolve difficult issues first before people (and
organizations) become too entrenched.</p>
<p>All of that was introduction to the main point: What do you
(meaning the reader) think are the essential characteristics of
X3D when running in an HTML page? I know that the answer is not
everything because (1) as a standard, X3D does not run in the
web page; (2) X3D supports multiple encodings, some of which are
not HTML compatible (e.g., binary ones); (3) X3D has Profiles
and Components and no browser supports all Profiles and
Components. There are several other reasons that the answer is
not everything, so that doesn't count.</p>
<p>I can think of several things that are important. I'm not sure
if these are essential, or how to quantify or better state them<br>
</p>
<p>1) long-lasting (read and display 20 year old stuff)<br>
2) extensible</p>
<p>Other items that might be important to people<br>
3) modeling <br>
4) feature-rich (at least in some areas)<br>
5) platform-neutral<br>
6) volume displays (not just surfaces)<br>
</p>
<p>I am looking for a collection of items that are so important to
X3D that if removed, you would not have X3D, and when present
you would recognize it as X3D or at least a close relative. I
would expect the list to vary from person to person, but I also
expect some characteristics to be present in many people's list.
The items on your list are likely to reflect your personal
interest and work with X3D and other 3D content. <br>
</p>
<br>
<div class="moz-signature">-- <br>
<font class="tahoma,arial,helvetica san serif" color="#333366">
<font size="+1"><b>Leonard Daly</b></font><br>
3D Systems & Cloud Consultant<br>
LA ACM SIGGRAPH Chair<br>
President, Daly Realism - <i>Creating the Future</i> </font></div>
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</blockquote>
X3Dom and apot (POPbuffer) make upload 3d model to the web easy<br>
but the X3D standard has always bugged me ( I don't remember if it
was lack of user friendly tools, the runtime engines, lack of
externProto resources, unsuitable LODs nodes)<br>
I have played with three.js ( I updated quadtree sphere to three.js
v78), I find the work been done using three.js inspiring, but for me
I hate the writing 100+ lines of coding just do something that I get
free in X3Dom<br>
on my wishlist is to do virtual world using Web3D technology , (I
started with cult3D, looked at shout3D), but X3D is missing what I
need :(<br>
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