[x3d-public] x3d-public Digest, Vol 138, Issue 26

Sun Sep 6 07:37:12 PDT 2020

hi. thanks. i have already written to him. but no answer. what you
recommend?

вс, 6 сент. 2020, 1:33 до полудня <x3d-public-request at web3d.org>:

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>    1. Re: x3d-public Digest, Vol 138, Issue 19 (Leonard Daly)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Sat, 5 Sep 2020 15:32:50 -0700
> From: Leonard Daly <Leonard.Daly at realism.com>
> To: x3d-public at web3d.org
> Subject: Re: [x3d-public] x3d-public Digest, Vol 138, Issue 19
> Message-ID: <a0d685b8-7de1-4043-b4c9-387ba0c6e278 at realism.com>
> Content-Type: text/plain; charset="utf-8"; Format="flowed"
>
> Konstantin,
>
> > https://doc.x3dom.org/tutorials/basics/hello/HelloX3DOM.html
>
> This is an X3DOM page -- it does not belong to the Web3D Consortium. I
> had to go all of the way to the root path to find the copyright notice
> ((C) by Fraunhofer-Gesellschaft). In the US the lack of any terms mean
> the most restrictive apply ("All rights reserved"), other locations may
> differ.
>
> Fraunhofer specifies the usage rights on the page
> https://www.x3dom.org/legals/. You will need to contract Johannes Behr
> (link to email on page) to get an extension or clarification of usage.
>
>
> Leonard Daly
>
>
>
> > Hello.
> > Thanks, Leonard.
> > Here is the page, but ?without bgimage.
> >
> >
> > ???????, 5 ???????? 2020 ?. ???????????? <x3d-public-request at web3d.org
> > <mailto:x3d-public-request at web3d.org>> ???????:
> > > Send x3d-public mailing list submissions to
> > > x3d-public at web3d.org <mailto:x3d-public at web3d.org>
> > >
> > > To subscribe or unsubscribe via the World Wide Web, visit
> > > http://web3d.org/mailman/listinfo/x3d-public_web3d.org
> > > or, via email, send a message with subject or body 'help' to
> > > x3d-public-request at web3d.org <mailto:x3d-public-request at web3d.org>
> > >
> > > You can reach the person managing the list at
> > > x3d-public-owner at web3d.org <mailto:x3d-public-owner at web3d.org>
> > >
> > > When replying, please edit your Subject line so it is more specific
> > > than "Re: Contents of x3d-public digest..."
> > >
> > >
> > > Today's Topics:
> > >
> > > ? ?1. question on page use (Konstantin Smirnov)
> > > ? ?2. Re: question on page use (Leonard Daly)
> > > ? ?3. Re: Specification editors mantis issues, PointProperties
> > > ? ? ? (Andreas Plesch)
> > > ? ?4. Re: question on page use (J. Scheurritch)
> > >
> > >
> > > ----------------------------------------------------------------------
> > >
> > > Message: 1
> > > Date: Sat, 5 Sep 2020 00:09:25 +0300
> > > From: Konstantin Smirnov <konstantin.e.smirnov at gmail.com
> > <mailto:konstantin.e.smirnov at gmail.com>>
> > > To: x3d-public at web3d.org <mailto:x3d-public at web3d.org>
> > > Subject: [x3d-public] question on page use
> > > Message-ID:
> > > ? ? ? ?
> > <CAD1qDjQa9koc1oG+8gQ4wE4M96JpOXY-ioD=bLDicHkPWBLCnw at mail.gmail.com
> > <mailto:bLDicHkPWBLCnw at mail.gmail.com>>
> > > Content-Type: text/plain; charset="utf-8"
> > >
> > > Hi.
> > > Can I use screenshots of web 3d example page for my projects?
> > > I mean my first x3dom page with three objects.
> > >
> > > Konstantin
> > > -------------- next part --------------
> > > An HTML attachment was scrubbed...
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> > <
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> >
> > >
> > > ------------------------------
> > >
> > > Message: 2
> > > Date: Fri, 4 Sep 2020 17:56:37 -0700
> > > From: Leonard Daly <Leonard.Daly at realism.com
> > <mailto:Leonard.Daly at realism.com>>
> > > To: x3d-public at web3d.org <mailto:x3d-public at web3d.org>
> > > Subject: Re: [x3d-public] question on page use
> > > Message-ID: <3064a13e-ec9c-749b-9acd-9fcd9d93705b at realism.com
> > <mailto:3064a13e-ec9c-749b-9acd-9fcd9d93705b at realism.com>>
> > > Content-Type: text/plain; charset="utf-8"; Format="flowed"
> > >
> > > Hi Konstantin,
> > >
> > > Thank you for asking.
> > >
> > > Please see the copyright notice usually at the bottom of the page. If
> > > the associated license is blank or states "All rights reserved", please
> > > send a message using the contact form with the URLs of the pages in
> > > question identifying the specific region of the page you wish to use.
> > >
> > > If the license allows reuse (e.g., Creative Commons, CC-BY, etc.), then
> > > reuse is allowed when you follow the license. The reference is either
> > > explicitly listed at the bottom of the page(s) in question, or if not
> > > stated:
> > >
> > > (c) 2020, Web3D Consortium. Licensed as <whatever it was stated>. <URL
> > > to page>
> > >
> > >
> > > If the explanation above doesn't answer your question, please feel free
> > > to reply here and include the URL of the page(s) in question.
> > >
> > > Leonard Daly
> > > Webmaster, Web3D Consortium
> > >
> > >
> > >
> > >> Hi.
> > >> Can I use screenshots of web 3d example page for my projects?
> > >> I mean my first x3dom page with three objects.
> > >>
> > >> Konstantin
> > >>
> > >> _______________________________________________
> > >> x3d-public mailing list
> > >> x3d-public at web3d.org <mailto:x3d-public at web3d.org>
> > >> http://web3d.org/mailman/listinfo/x3d-public_web3d.org
> > >
> > >
> > > --
> > > *Leonard Daly*
> > > 3D Systems & Cloud Consultant
> > > LA ACM SIGGRAPH Past Chair
> > > President, Daly Realism - /Creating the Future/
> > > -------------- next part --------------
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> > <
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> >
> > >
> > > ------------------------------
> > >
> > > Message: 3
> > > Date: Fri, 4 Sep 2020 21:16:07 -0400
> > > From: Andreas Plesch <andreasplesch at gmail.com
> > <mailto:andreasplesch at gmail.com>>
> > > To: X3D Graphics public mailing list <x3d-public at web3d.org
> > <mailto:x3d-public at web3d.org>>
> > > Subject: Re: [x3d-public] Specification editors mantis issues,
> > > ? ? ? ? PointProperties
> > > Message-ID:
> > > ? ? ? ?
> > <CAKdk67uWaZSCb5NG0HFyn3EL9m6bBD_ZzEVX4GWr7OTDDSn00w at mail.gmail.com
> > <mailto:
> CAKdk67uWaZSCb5NG0HFyn3EL9m6bBD_ZzEVX4GWr7OTDDSn00w at mail.gmail.com>>
> > > Content-Type: text/plain; charset="UTF-8"
> > >
> > > Working next on sprite texturing for PointProperties, I found it
> > > pretty straightforward to start to support textures of any kind since
> > > the shader or shader generation needs to deal with those already. The
> > > only difference to other geometry is to use gl_PointCoord as tex.
> > > coord, rather than provided tex. coords. This is a simple
> > > intensity-alpha 3x3 PixelTexture mixed with the Material color:
> > >
> > >
> >
> https://raw.githack.com/andreasplesch/x3dom/PointSetNormals/test/regression-suite/test/cases/points/pointset_archie_normal.html
> > >
> > > CSS or PBR textures with normal and other nice maps should also work,
> > > for example.
> > >
> > > It looks like it is time to test a bit more and then merge with the
> > > x3dom dev. branch.
> > >
> > > Here is another test with 1.5 million points, adopted from
> > > http://metagrid2.sv.vt.edu/~yansh93/catawba_blinn.html
> > >
> > >
> >
> https://raw.githack.com/andreasplesch/x3dom/PointSetNormals/test/regression-suite/test/cases/points/catawba50.html
> > >
> > > Lidar surveys easily generate large point clouds like this. The
> > > PointSet is actually much subsampled. I also discovered that the
> > > original binary data has some interesting tail which may or may not be
> > > junk from processing.
> > >
> > > It was difficult to generate and deal with a very large xml file, so I
> > > had to put the data in separate files and load via js. The final scene
> > > is still xml (actually DOM) in memory, generated with a few lines of
> > > js DOM manipulation.
> > >
> > > x3dom has BufferGeometry for binary geometry data (used for glTF)
> > > which becomes really necessary for these kind of datasets. As far as I
> > > remember x3dv4 will not have an equivalent. Maybe I should check how
> > > hard it would be to support PointProperties for BufferGeometry (which
> > > can be points).
> > >
> > > The test shows that vertex colors also work with shading and
> > > PointProperties, after mixing in a white diffuseColor. I think this is
> > > as expected since vertex colors used to be emissive. Actually, I am
> > > changing my mind. I think vertex colors should be treated as diffuse
> > > color (or base color for PBR) if normals are present. Let's see how
> > > this looks in the shader generation for x3dom.
> > >
> > > -Andreas
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > > Andreas
> > >
> > > On Thu, Sep 3, 2020 at 6:06 PM Andreas Plesch
> > <andreasplesch at gmail.com <mailto:andreasplesch at gmail.com>> wrote:
> > >>
> > >> Since both x_ite and
> > >>
> > >> http://metagrid2.sv.vt.edu/~yansh93/archimedes_pp_normal.html
> > >>
> > >> use circles for point rendering, this x3dom draft implementation now
> > >> also uses circles:
> > >>
> > >>
> >
> https://raw.githack.com/andreasplesch/x3dom/PointSetNormals/test/regression-suite/test/cases/points/pointset_archie_normal.html
> > >>
> > >> Circles are only used for untextured points. For textured points, eg.
> > >> sprites, the masking for circles will be omitted.
> > >>
> > >> Should the spec. require circles for untextured points ? They look
> > >> better but perhaps such a requirement is too opinionated.
> > >>
> > >> -Andreas
> > >>
> > >> On Thu, Sep 3, 2020 at 4:33 PM Andreas Plesch
> > <andreasplesch at gmail.com <mailto:andreasplesch at gmail.com>> wrote:
> > >> >
> > >> > I updated the implementation and the scene to reflect the latest
> > >> > changes in the spec. draft:
> > >> >
> > >> >
> >
> https://raw.githack.com/andreasplesch/x3dom/PointSetNormals/test/regression-suite/test/cases/points/pointset_archie_normal.html
> > >> >
> > >> > There are no visual differences.
> > >> >
> > >> > -Andreas
> > >> >
> > >> > On Thu, Sep 3, 2020 at 4:08 PM Andreas Plesch
> > <andreasplesch at gmail.com <mailto:andreasplesch at gmail.com>> wrote:
> > >> > >
> > >> > > I had some time to refocus on PointProperties and found this
> > note on
> > >> > > spec. changes:
> > >> > >
> > >> > > > Date: Mon, 31 Aug 2020 10:33:40 -0700
> > >> > > > From: Don Brutzman <brutzman at nps.edu <mailto:brutzman at nps.edu>>
> > >> > > > To: Michalis Kamburelis <michalis.kambi at gmail.com
> > <mailto:michalis.kambi at gmail.com>>,
> > >> > > >? ? ? ? ?"puk at igraphics.com <mailto:puk at igraphics.com>"
> > <puk at igraphics.com <mailto:puk at igraphics.com>>
> > >> > > > Cc: X3D Graphics public mailing list <x3d-public at web3d.org
> > <mailto:x3d-public at web3d.org>>
> > >> > > > Subject: Re: [x3d-public] Specification editors mantis
> > issues: PBR
> > >> > > >? ? ? ? ?review
> > >> > > > ..
> > >> > > > On 8/24/2020 12:48 PM, Michalis Kamburelis wrote:
> > >> > > > >
> > >> > > > > [...]
> > >> > > > > Answers are inline below.
> > >> > > > >
> > >> > > > > Don Brutzman <brutzman at nps.edu <mailto:brutzman at nps.edu>
> > <mailto:brutzman at nps.edu <mailto:brutzman at nps.edu>>> wrote:
> > >> > > > >
> > >> > > > >? ? ?---
> > >> > > > >? ? ?2. Spec questions.
> > >> > > > >
> > >> > > > >? ? ?a. see new inquiries today regarding PointProperties
> > from Andreas and Holger.? Let's continue/contribute on that thread
> please.
> > >> > > > >
> > >> > > > > I do not see input from Holger in the PointProperties
> > thread. If there's some communication off-list, maybe because someone
> > forgot to use "Reply All", please resend it to the mailing list :)
> > >> > > >
> > >> > > > Separate thread found at
> > >> > > >
> > >> > > > [1] [x3d-public] PointProperties revisited
> > >> > > >
> > https://web3d.org/pipermail/x3d-public_web3d.org/2020-August/013447.html
> > >> > > >
> > >> > > > We agreed to remove 'colorMode' and updated both spec &
> > Mantis 1252.
> > >> > > >
> > >> > > > We replaced final 2 paragraphs in 11.4.11 PointSet with
> > >> > > >
> > >> > > > "If the normal field of the PointSet node contains normal
> > vectors, then points are rendered using the same lighting equations as
> > the other geometry and can be lit. If the normal vectors are not
> > provided, the points are rendered following the "unlit" lighting
> > equations. If the PointSet is used with the Material node, and the
> > normal vectors of points are not provided, the points shall be
> > rendered as unlit, using the emissiveColor field of the Material node.
> > In both cases, the points look can be customized using textures,
> > Color, ColorRGBA, and UnlitMaterial nodes."
> > >> > >
> > >> > > That sounds great, and should cover all situations.
> > >> > >
> > >> > > I developed a first implementation of PointProperties with
> normals,
> > >> > > ignoring textures for now:
> > >> > >
> > >> > >
> >
> https://raw.githack.com/andreasplesch/x3dom/PointSetNormals/test/regression-suite/test/cases/points/pointset_archie_normal.html
> > >> > >
> > >> > > This is the archie example modified to use a diffuseColor
> > material for
> > >> > > shading with normals, and a non-default attenuation factor of
> > "1 1 0",
> > >> > > eg. with a linear distance dependence.
> > >> > >
> > >> > > The point size attenuation looks similar to how x_ite is scaling
> > >> > > (x_ite ignores the normals currently), so that is good sign.
> > Here is
> > >> > > the x3d xml version:
> > >> > >
> > >> > >
> >
> https://raw.githubusercontent.com/andreasplesch/x3dom/PointSetNormals/test/regression-suite/test/cases/points/pointset_archie_normal.x3d
> > >> > >
> > >> > > freeWrl 4.7 does not seem to do the size attenuation with
> distance,
> > >> > > not sure if it is not implemented or another interpretation.
> > >> > >
> > >> > > Oh, I see that this draft
> > >> > >
> > >> > >
> >
> https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4-WD2/Part01/components/shape.html#PointProperties
> > >> > >
> > >> > > changed the attenuation field from MFFloat to SFVec3f, and the
> name
> > >> > > from pointSizeAttenuation to just attenuation. Should be a
> > quick fix.
> > >> > >
> > >> > > In the same spirit, I would also suggest renaming
> > "pointSizeMinValue"
> > >> > > to "pointSizeMin" or just "sizeMin" (we are in _Point_Properties,
> > >> > > after all), and "pointSizeMaxValue" accordingly.
> > >> > >
> > >> > > -Andreas
> > >> > >
> > >> > > --
> > >> > > Andreas Plesch
> > >> > > Waltham, MA 02453
> > >> >
> > >> >
> > >> >
> > >> > --
> > >> > Andreas Plesch
> > >> > Waltham, MA 02453
> > >>
> > >>
> > >>
> > >> --
> > >> Andreas Plesch
> > >> Waltham, MA 02453
> > >
> > >
> > >
> > > --
> > > Andreas Plesch
> > > Waltham, MA 02453
> > >
> > >
> > >
> > > ------------------------------
> > >
> > > Message: 4
> > > Date: Sat, 5 Sep 2020 03:30:14 +0200
> > > From: "J. Scheurritch" <mufti11 at web.de <mailto:mufti11 at web.de>>
> > > To: x3d-public at web3d.org <mailto:x3d-public at web3d.org>
> > > Subject: Re: [x3d-public] question on page use
> > > Message-ID: <b1670278-d4ff-60be-eb73-fece8ed27551 at web.de
> > <mailto:b1670278-d4ff-60be-eb73-fece8ed27551 at web.de>>
> > > Content-Type: text/plain; charset=utf-8
> > >
> > >
> > >> Please see the copyright notice usually at the bottom of the page.
> > >
> > > Often, the coyight information is in the WorldINFO node, like here
> > >
> > >
> >
> https://www.web3d.org/x3d/content/examples/Basic/HumanoidAnimation/NancyPrototypesIndex.html
> > >
> > > so long
> > > MUFTI
> > >
> > >
> > >
> > >
> > > ------------------------------
> > >
> > > Subject: Digest Footer
> > >
> > > _______________________________________________
> > > x3d-public mailing list
> > > x3d-public at web3d.org <mailto:x3d-public at web3d.org>
> > > http://web3d.org/mailman/listinfo/x3d-public_web3d.org
> > >
> > >
> > > ------------------------------
> > >
> > > End of x3d-public Digest, Vol 138, Issue 19
> > > *******************************************
> > >
> >
> > _______________________________________________
> > x3d-public mailing list
> > x3d-public at web3d.org
> > http://web3d.org/mailman/listinfo/x3d-public_web3d.org
>
>
> --
> *Leonard Daly*
> 3D Systems & Cloud Consultant
> LA ACM SIGGRAPH Past Chair
> President, Daly Realism - /Creating the Future/
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> End of x3d-public Digest, Vol 138, Issue 26
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