[x3d-public] HAnim Examples
John Carlson
yottzumm at gmail.com
Sun Apr 26 11:08:49 PDT 2020
Also, we should consider comparing JSON output from X3dToJson.xslt and
DOM2JSON Serializer.js. I did this in detail when creating the
Serializer, but perhaps this should be revisited for new examples.
John
On Sun, Apr 26, 2020 at 12:45 PM John Carlson <yottzumm at gmail.com> wrote:
> I wonder if these catches by Ajv show that it should be integrated into
> the build process? How do we call Ajv from java except by execing a
> process. We need to discuss spawning node from Java creating stylesheet.
>
> We also need to review our roundtripping test code so things like this
> don’t slip through.
>
> John
> On Sun, Apr 26, 2020 at 12:33 PM John Carlson <yottzumm at gmail.com> wrote:
>
>> I wonder if X3D validator needs to be updated?
>>
>> On Sun, Apr 26, 2020 at 8:11 AM GPU Group <gpugroup at gmail.com> wrote:
>>
>>> Yes good catch John - I didn't groom the annex D scene in detail -
>>> that's the way I found it and freewrl didn't complain. -Doug
>>>
>>> On Sat, Apr 25, 2020 at 9:06 PM John Carlson <yottzumm at gmail.com> wrote:
>>>
>>>> Also see HAnim2pt2 standard example, has skeleton containerField:
>>>>
>>>>
>>>> https://github.com/Web3DConsortium/HAnim/blob/master/ISO-IEC19774/ISO-IEC19774-2/ISO-IEC19774-2v2.0/ISO-IEC19774-2v2.0-IS/MotionDataAnimation/ExampleMocapAnimationMotionObject.html#L92
>>>>
>>>>
>>>> Thanks for clarification!
>>>>
>>>> John
>>>>
>>>> On Sat, Apr 25, 2020 at 10:02 PM John Carlson <yottzumm at gmail.com>
>>>> wrote:
>>>>
>>>>> JSON translation of annexdA.x3d:
>>>>> http://dug9.users.sourceforge.net/web3d/tests/hanim/annexdA.x3d
>>>>>
>>>>> X3D JSON looks like:
>>>>>
>>>>> "-skeleton": {
>>>>> "HAnimHumanoid": {
>>>>> "@DEF": "hanim_AnnexD01Jin",
>>>>> "@info": [
>>>>> "humanoidVersion=2.0"
>>>>> ],
>>>>> "@name": "AnnexD01Jin",
>>>>>
>>>>> In my mind, the -skeleton goes inside the HAnimHumanoid, but defer to
>>>>> experts.
>>>>> See X3D XML:
>>>>>
>>>>>
>>>>> <HAnimHumanoid DEF="hanim_AnnexD01Jin" info='"humanoidVersion=2.0"'
>>>>> containerField="skeleton" name="AnnexD01Jin" scale="0.0225 0.0225 0.0225"
>>>>> version="2.0">
>>>>>
>>>>>
>>>>> Why the containerField????
>>>>>
>>>>>
>>>>> Thanks,
>>>>>
>>>>> John
>>>>>
>>>>>
>>>>> On Thu, Apr 23, 2020 at 9:45 PM GPU Group <gpugroup at gmail.com> wrote:
>>>>>
>>>>>> Implemented HAnimMotion - may need touchups.
>>>>>>
>>>>>> -Doug Sanden
>>>>>>
>>>>>>
>>>>>> My experience implementing v4 HAnimMotion in freewrl
>>>>>>
>>>>>> - took 4 days
>>>>>>
>>>>>> - there are some fuzzy areas - specs draft from last summer, and
>>>>>> HAnim specs don't match, and some inconsistencies in HAnim specs. For
>>>>>> example startFrame and endFrame are mentioned in text but not in fields
>>>>>> list.
>>>>>>
>>>>>> - the annexd scene in Hanim needed some touchups:
>>>>>>
>>>>>> -- put HAnimMotion node inside HAnimNumanoid
>>>>>>
>>>>>> -- changed frameTime='0.03' to frameDuration='0.03'
>>>>>>
>>>>>> -- in code I change angles from degrees to radians
>>>>>>
>>>>>> x not sure I have the sense of the angles and translations correct
>>>>>>
>>>>>> - perhaps scene authors can tell from screen-capture video - link
>>>>>> below
>>>>>>
>>>>>>
>>>>>> SPEC COMMENT >>>
>>>>>>
>>>>>> I initially thought and still after implementing think it would be
>>>>>> useful to split the Motion node into MotionPlayer and MotionData
>>>>>>
>>>>>> Then for scenes with multiple characters doing bits of motion
>>>>>> independently,
>>>>>>
>>>>>> HAnimHumanoid 1:1 HAnimPlay m:1 HAnimData
>>>>>>
>>>>>> so the data can be DEF/USEd by more MotionPlayers for different
>>>>>> characters in the scene
>>>>>>
>>>>>> The MotionPlayer would hold state such as frameIndex for a specific
>>>>>> Humanoid
>>>>>>
>>>>>> - and the MotionData would hold the float values and channel
>>>>>> descriptions.
>>>>>>
>>>>>> <<< SPEC COMMENT
>>>>>>
>>>>>>
>>>>>>
>>>>>> http://dug9.users.sourceforge.net/web3d/tests/hanim/freeWRL%202020-04-23%2020-09-44.mp4
>>>>>>
>>>>>> http://dug9.users.sourceforge.net/web3d/tests/hanim/annexdA.x3d
>>>>>>
>>>>>>
>>>>>>
>>>>>> https://sourceforge.net/p/freewrl/git/ci/develop/tree/freex3d/src/lib/scenegraph/Component_HAnim.c
>>>>>>
>>>>>>
>>>>>> - line 340 for 15 lines
>>>>>>
>>>>>> - line 1090+
>>>>>>
>>>>>> On Wed, Apr 22, 2020 at 5:44 PM GPU Group <gpugroup at gmail.com> wrote:
>>>>>>
>>>>>>> SPEC COMMENT > V4 > HANIMMOTION >>>>
>>>>>>>
>>>>>>> I'm parsing the Motion AnnexD scene with a few tweaks.
>>>>>>> Initial thoughts:.
>>>>>>> Q. should Motion be split into MotionPlayer and MotionData?
>>>>>>> DEF/USE HanimHumanoid - marching troops - same skin and same
>>>>>>> synchronizes walk
>>>>>>> DEF/USE HAnimMotion - synchornized dancers -different skins and LOA,
>>>>>>> but still moving in syncrhonized walk
>>>>>>> - the Motion node would need to be parent-aware and hold a mapping
>>>>>>> to each parent separately
>>>>>>> DEF/USE HANimMotionData - several different characters in the scene
>>>>>>> walking at different times
>>>>>>> - you could do it the current node way, by including the motion data
>>>>>>> for each separate HAnimHumanoid.HanimMotion
>>>>>>> - but if the data was separate -and some of that data is a bit big
>>>>>>> and ugly in the scene file- then you'd only need it once for all the
>>>>>>> characters.
>>>>>>> -Doug Sanden
>>>>>>> <<<< SPEC COMMENT > V4 > HANIMMOTION
>>>>>>>
>>>>>>> On Mon, Apr 20, 2020 at 3:01 PM GPU Group <gpugroup at gmail.com>
>>>>>>> wrote:
>>>>>>>
>>>>>>>> Thanks Don, will read up.
>>>>>>>> -Doug
>>>>>>>>
>>>>>>>> On Mon, Apr 20, 2020 at 2:47 PM Don Brutzman <brutzman at nps.edu>
>>>>>>>> wrote:
>>>>>>>>
>>>>>>>>> [cc: group]
>>>>>>>>>
>>>>>>>>> Hi Doug. Joe is on phone with me. Joe notes that the HAnim2
>>>>>>>>> specification includes a Motion object and HAnimMotion example (clause 6
>>>>>>>>> part 2) but it is not in our X3D Example Archives - Basic HAnim examples.
>>>>>>>>>
>>>>>>>>> We have requested that Web3D replace the Draft International
>>>>>>>>> Specification (DIS) on the website with the now completed International
>>>>>>>>> Specification (IS) approved by ISO.
>>>>>>>>>
>>>>>>>>> Available already to Web3D members at
>>>>>>>>>
>>>>>>>>> [2.1] GitHub: Web3D Consortium members, HAnim
>>>>>>>>> https://github.com/Web3DConsortium/HAnim
>>>>>>>>>
>>>>>>>>> [2.2] GitHub: Web3D Consortium members, HAnim Specifications
>>>>>>>>> combined parts 1 and 2
>>>>>>>>>
>>>>>>>>> https://github.com/Web3DConsortium/HAnim/raw/master/ISO-IEC19774-combined-IS.Web3D.zip
>>>>>>>>>
>>>>>>>>> On our Thursday afternoon call we will look at hands and feet (in
>>>>>>>>> response to IEEE 3DBP group), HAnimMotion and triage of the remaining
>>>>>>>>> examples. I'll ask Anita to schedule a regular weekly zoom line for us,
>>>>>>>>> details will be under MEMBERS > RESOURCES > TELECONFERENCE.
>>>>>>>>>
>>>>>>>>> On 4/20/2020 1:11 PM, GPU Group wrote:
>>>>>>>>> > Q. is there an example scene using the v4 HAnimMotion node?
>>>>>>>>> > -Doug Sanden
>>>>>>>>> >
>>>>>>>>> > On Fri, Apr 17, 2020 at 8:29 AM Joseph D Williams <
>>>>>>>>> joedwil at earthlink.net <mailto:joedwil at earthlink.net>> wrote:
>>>>>>>>> >
>>>>>>>>> > Hi All, a next practical step is to care for the web3D.org
>>>>>>>>> HAnim Archives. Lots is there and nothing is obsoleted except for new names
>>>>>>>>> for items of the skeleton but all can be updated. There is duplication and
>>>>>>>>> some important items not adequately demonstrated.
>>>>>>>>>
>>>>>>>>> all the best, Don
>>>>>>>>> --
>>>>>>>>> Don Brutzman Naval Postgraduate School, Code USW/Br
>>>>>>>>> brutzman at nps.edu
>>>>>>>>> Watkins 270, MOVES Institute, Monterey CA 93943-5000 USA
>>>>>>>>> +1.831.656.2149
>>>>>>>>> X3D graphics, virtual worlds, navy robotics
>>>>>>>>> http://faculty.nps.edu/brutzman
>>>>>>>>>
>>>>>>>> _______________________________________________
>>>>>> x3d-public mailing list
>>>>>> x3d-public at web3d.org
>>>>>> http://web3d.org/mailman/listinfo/x3d-public_web3d.org
>>>>>>
>>>>>
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