[x3d-public] An annotations example and project

[John Carlson]

Vince, if you could do the webapp, that would be cool, too!

Thanks, looking forward to progress!

John

On Mon, Oct 10, 2022 at 10:17 AM John Carlson <yottzumm at gmail.com> wrote:

> Suggested ways forward:
>
> 1.  Figure out how to do JSON attachments in view3dscene/cge. Requires
> Pascal/WebAssembly?   Assumes we will use .glb or XML.
>
> 2.  Figure out how to load color, materials (PBR, etc.) and JSON
> annotations in X3DOM.  Assumes we will use XML.
>
> 3.  Figure out how to do JSON annotations in X_ITE.  Assumes we will use
> XML.
>
> If someone is interested in my XML, I suggest doing a Save after loading
> Astronaut.glb into view3dscene.
>
> Here's how to load Astronaut.glb into view3dscene:
>
> $ Downloads/view3dscene-4.2.0-win64-x86_64/view3dscene/view3dscene.exe
> Astronaut.glb
>
> I suggest we do a parallel approach.  Michalis adding annotations to
> view3dscene/cge, Andreas(or other?) adding color and annotations to X3DOM,
> and Holger adding annotations to X_ITE. I or Joe can do the "webapp" if
> necessary, but see below.
>
> Okay, CTS time on keyboard is up!
>
> John
>
> On Wed, Oct 5, 2022 at 8:29 AM Vincent Marchetti <vmarchetti at kshell.com>
> wrote:
>
>> Intro: The IIIF 3D Technical Study Group ,
>> https://iiif.io/community/groups/3d/tsg/ , is developing standards and
>> practices to 3D content in libraries and museums. Their general philosophy
>> is to evaluate and support a variety of formats and viewers, rather than
>> choose one format to rule them all.
>>
>> One of the members, Ed Silverton of memnoscene ( https://mnemoscene.io/
>> ) recently presented a prototype of a method by which  annotations on a 3D
>> asset can be shared among viewers.
>> To see the demo, go to : https://yqxggz.csb.app/ -- You shouid see an
>> astronaut in a 3D viewer; the rendering is done by Google's model-viewer,
>> and the underlying asset is a glTF asset at
>> https://cdn.glitch.com/36cb8393-65c6-408d-a538-055ada20431b/Astronaut.glb
>>
>> Under the model-viewer pane, and above the "Set Annotations" button, is
>> an input text field. Copy and paste the following json structure:
>>
>> [
>> {"id":0,
>> "normal":"-0.24679987544979334 -0.0979611424867969 0.9641023991468167",
>> "position":"-0.1377316524360126 0.9925992890184887 0.2542247719185542",
>> "value":"right hipbone"},
>> {"id":1,
>> "normal":"0.29259561389217825 0.11383937564155769 0.9494358342113489",
>> "position":"0.0652451665004884 1.8182700174153779 0.32465106720430725",
>> "value":"face mask"}
>> ]
>>
>> and click the Set Annotations button. The annotations should appear, as
>> labels associated with the 3D rendering.
>>
>> According to Ed SIlverton, the coordinates and normals in the json above
>> are a 'hit' on the astronaut mesh, that is used as the target for the
>> annotation label.
>>
>> I have taken on the challenge of implementing a similar capability for
>> the X3D rendering of this model, target demo delivery being the next TSG
>> call on Nov 1.
>>
>> Eager to hear whether there is similar work out there, or ideas for
>> implementing and extending this capability. I plan start a project on Code
>> Sandbox ( https://codesandbox.io/ )  for this work.
>>
>> Vince Marchetti
>>
>>
>>
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>>
>
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