[x3d-public] HAnim, X3dToPython.xslt X3dToJson.xslt Upgrade X3DUOM? HAnimHumanoid explained, problem identified, corrections applied
John Carlson
yottzumm at gmail.com
Fri Dec 24 15:04:14 PST 2021
I don't see the "empty array" ulimit and llimit defaults They look like
0 0 0. Perhaps the attached screenshot is wrong?
See:
https://www.web3d.org/specifications/X3dSchemaDocumentation4.0/x3d-4.0_HAnimJoint.html
screenshot attached.
On 12/24/21 11:14, Brutzman, Donald (Don) (CIV) wrote:
>
> The default containerField values can always be found in X3D DTD, XML
> Schema and X3DUOM.
>
> A containerField error can only occur if it incorrectly describes the
> field relationship between a node and a parent. Our validation tools
> are pretty robust so you only have to worry about conversion errors if
> you want. As we saw during this thread, the root-cause problem can
> occur due to incorrect X3D model.
>
> Found an error in X3D XML Schema and X3DUOM: default values for
> HAnimJoint ulimit llimit fields are empty array, not 0 0 0. Checked
> in, will deploy updates.
>
> I found some other small adjustments in X3D Canonicalizer and X3dTidy
> during regression testing last night. For author clarity, am always
> including containerField values for X3D3 scenes. For terseness, only
> Metadata* containerField=’metadata’ is included for X3D4. All
> HumanoidAnimation .x3d examples are rechecked with tools, updated and
> checked in. Re-running regression tests and will eventually upload
> updated models (probably while Santa is somewhere overhead).
>
> 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 https://
> faculty.nps.edu/brutzman
>
> *From:* John Carlson <yottzumm at gmail.com>
> *Sent:* Thursday, December 23, 2021 11:24 PM
> *To:* Brutzman, Donald (Don) (CIV) <brutzman at nps.edu>
> *Cc:* X3D Graphics public mailing list <x3d-public at web3d.org>
> *Subject:* Re: HAnim, X3dToPython.xslt X3dToJson.xslt Upgrade X3DUOM?
> HAnimHumanoid explained, problem identified, corrections applied
>
> Excellent catch! What should the default be if there's no
> containerField? Throw an error?
>
> John
>
> On 12/24/21 00:45, Brutzman, Donald (Don) (CIV) wrote:
>
> The error was in the source .x3d file, the MetadataSet within
> HAnimHumanoid need correct containerField definition:
>
> 1. <MetadataSet name='HAnimHumanoid.info'
> containerField='metadata' etc.
>
> 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 https://
> faculty.nps.edu/brutzman
>
> *From:* John Carlson <yottzumm at gmail.com> <mailto:yottzumm at gmail.com>
> *Sent:* Thursday, December 23, 2021 10:40 PM
> *To:* Brutzman, Donald (Don) (CIV) <brutzman at nps.edu>
> <mailto:brutzman at nps.edu>
> *Cc:* X3D Graphics public mailing list <x3d-public at web3d.org>
> <mailto:x3d-public at web3d.org>
> *Subject:* Re: HAnim, X3dToPython.xslt X3dToJson.xslt Upgrade
> X3DUOM? HAnimHumanoid explained, problem identified, corrections
> applied
>
> I think there's still a error in X3dToJson.xslt, conversion from
> XML to JSON produces
>
> [snippet]
>
> { "HAnimHumanoid":
> {
> "@name":"JinLOA4",
> "@DEF":"hanim_JinLOA4",
> "@loa":4,
> "@scale":[0.0225,0.0225,0.0225],
> "@version":"2.0",
> *_ "-value":[ _*
> { "MetadataSet":
> { "-value":[
>
> I believe this affects all my downstream serialzers.
>
> I will double check that I am using the stylesheet.
>
> John
>
> On 12/23/21 13:50, Brutzman, Donald (Don) (CIV) wrote:
>
> Hi John, thanks for this elaboration of the question. Here is
> an in-depth explanation giving multiple related references
> that answer the question: yes, the /metadata/ field is part of
> HAnimHumanoid node.
>
> More precise URL for HAnimHumanoid in HAnim v2.0 specification is
>
> 1. Part 1: Humanoid animation (HAnim) architecture, Clause 6
> Object Interfaces, 6.2 Humanoid
> 2. https://www.web3d.org/documents/specifications/19774-1/V2.0/Architecture/Obje
> Part 1: Humanoid animation (HAnim)
> architecturectInterfaces.html#Humanoid
>
> HAnim architecture specification is abstract and must be
> implemented by other specifications. Thus you have to look in
> X3D Architecture specification for corresponding X3D details.
>
> Corresponding X3D Architecture specification is
>
> 3. X3D4 Part 1: Architecture and base components, 26 Humanoid
> Animation (HAnim) component, clause 26.3.2 HAnimHumanoid
> 4. https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4-CD1/Part01/components/hanim.html#HAnimHumanoid
>
> HAnimHumanoid : X3DChildNode, X3DBoundedObject {
>
> SFVec3f [in,out] center 0 0 0 (-∞,∞)
>
> SFString [in,out] description ""
>
> SFBool [in,out] bboxDisplay FALSE
>
> SFBool [in,out] visible TRUE
>
> MFString [in,out] info []
>
> MFVec3f [in,out] jointBindingPositions [] (-∞,∞)
>
> MFRotation [in,out] jointBindingRotations [] (-∞,∞)|[-1,1]
>
> MFVec3f [in,out] jointBindingScales [] (0,∞)
>
> MFNode [in,out] joints [] [HAnimJoint]
>
> SFInt32 [in,out] loa -1 [-1,4]
>
> SFNode [in,out] metadata NULL
> [X3DMetadataObject]
>
> MFNode [in,out] motions [] [HAnimMotion]
>
> MFBool [in,out] motionsEnabled []
>
> SFString [in,out] name ""
>
> SFRotation [in,out] rotation 0 0 1 0 (-∞,∞)|[-1,1]
>
> SFVec3f [in,out] scale 1 1 1 (0,∞)
>
> SFRotation [in,out] scaleOrientation 0 0 1 0 (-∞,∞)|[-1,1]
>
> MFNode [in,out] segments []
> [HAnimSegment]
>
> MFNode [in,out] sites [] [HAnimSite]
>
> SFString [in,out] skeletalConfiguration "BASIC"
>
> MFNode [in,out] skeleton []
> [HAnimJoint, HAnimSite]
>
> MFNode [in,out] skin []
> [IndexedFaceSet, X3DGroupingNode, Shape][IndexedFaceSet,
> IndexedFanSet, IndexedQuadSet, IndexedTriangleSet,
> IndexedTriangleStripSet]
>
> SFNode [in,out] skinBindingCoord NULL
> [X3DCoordinateNode]
>
> SFNode [in,out] skinBindingNormal NULL
> [X3DNormalNode]
>
> SFNode [in,out] skinCoord NULL
> [X3DCoordinateNode]
>
> SFNode [in,out] skinNormal NULL
> [X3DNormalNode]
>
> SFVec3f [in,out] translation 0 0 0 (-∞,∞)
>
> SFString [in,out] version ""
>
> MFNode [in,out] viewpoints [] [HAnimSite]
>
> SFVec3f [] bboxCenter 0 0 0 (-∞,∞)
>
> SFVec3f [] bboxSize -1 -1 -1 [0,∞) or −1 −1 −1
>
> }
>
> As you can see, this node signature does include /metadata/ field.
>
> As you can also see, there is no /value/ field.
>
> Of note is that there is an HAnimHumanoid /info/ field for
> metadata information, an MFString array of “name=value”
> pairs. Very clumsy to use in practice. The X3D4 Architecture
> notes in 26.3.2 the preferred alternative approach:
>
> 5. Metadata values from the /info/ field can be equivalently
> encoded via MetadataSet containing related
> X3DMetadataObject nodes.
>
> Conversions are provided by X3dTidy cleanup stylesheet, and
> converted examples online. (Not finding this information in
> X3D Scene Authoring Hints, will add it.)
>
> 6. HumanoidAnimation X3D Examples Archive
> 7. https://www.web3d.org/x3d/content/examples/HumanoidAnimation
>
> 8. X3D Example Archives: Humanoid Animation, Characters, Jin
> LOA 4
> 9. https://www.web3d.org/x3d/content/examples/HumanoidAnimation/Characters/JinLOA4Index.html
> 10. https://www.web3d.org/x3d/content/examples/HumanoidAnimation/Characters/JinLOA4.html#hanim_JinLOA4
>
> <HAnimHumanoid DEF='hanim_JinLOA4' loa='4' name='JinLOA4' scale='0.0225
> 0.0225 0.0225'>
>
> <MetadataSet name='HAnimHumanoid.info' reference='https://www.web3d.org/documents/specifications/19774/V2.0/Architecture/ObjectInterfaces.html#Humanoid' containerField='metadata'>
>
>
> <MetadataString containerField='value' name='authorName' value='Jin
> Hoon Lee and Min Joo Lee, Chul Hee Jung and Myeong Won Lee'/>
> <MetadataString containerField='value' name='authorEmail' value='myeongwonlee at gmail.com'/>
> <mailto:MetadataString containerField='value' name='authorEmail' value='myeongwonlee at gmail.com'/>
>
> <MetadataString containerField='value' name='creationDate' value='31
> March 2011'/>
> <MetadataString containerField='value' name='gender' value='female'/>
>
> <MetadataFloat containerField='value' name='height' value='1.5'/>
>
> <MetadataString containerField='value' name='humanoidVersion' value='"2.0"'/>
>
>
> </MetadataSet>
> <HAnimJoint DEF='hanim_humanoid_root' center='0 36.709999
> -0.707600' containerField='skeleton' name='humanoid_root'>
>
> Reviewing X3D Tooltips confirms this answer to your question,
> along with convenient links to clauses in both
> specifications. (Each of the node names e.g. HAnimHumanoid
> links to the current X3D Architecture CD1 clause.)
>
> 11. X3D Tooltips HAnimHumanoid
> 12. https://www.web3d.org/x3d/tooltips/X3dTooltips.html#HAnimHumanoid
>
> Now checking X3D Unified Object Model (X3DUOM)
> X3dUnifiedObjectModel-4.0.xml
>
> 13. https://www.web3d.org/specifications
> 14. https://www.web3d.org/specifications/X3dUnifiedObjectModel-4.0.xml
>
> <ConcreteNode name="HAnimHumanoid">
>
> <InterfaceDefinition
> specificationUrl=”https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4-CD1/Part01/components/hanim.html#HAnimHumanoid”
> <https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4-CD1/Part01/components/hanim.html#HAnimHumanoid”>
>
> appinfo="The HAnimHumanoid node
> is used to: (a) store references to the joints, segments,
> sites, skeleton, optional skin, and fixed viewpoints, (b)
> serve as a container for the entire humanoid, (c) provide a
> convenient way of moving the humanoid through its environment,
> and (d) store human-readable metadata such as name, version,
> author, copyright, age, gender and other information.">
>
> <componentInfo name="HAnim" level="1"/>
>
> <Inheritance baseType="X3DChildNode"/>
>
> <AdditionalInheritance baseType="X3DBoundedObject"/>
>
> <field name="bboxCenter"
>
> type="SFVec3f"
>
> accessType="initializeOnly"
>
> default="0 0 0"
>
> inheritedFrom="X3DBoundedObject"
>
> description="Bounding box center accompanies bboxSize and
> provides an optional hint for bounding box position offset
> from origin of local coordinate system."/>
>
> <field name="bboxDisplay"
>
> type="SFBool"
>
> accessType="inputOutput"
>
> default="false"
>
> inheritedFrom="X3DBoundedObject"
>
> description="Whether to display bounding box for associated
> geometry, aligned with world coordinates."/>
>
> <field name="bboxSize"
>
> type="SFVec3f"
>
> accessType="initializeOnly"
>
> default="-1 -1 -1"
>
> inheritedFrom="X3DBoundedObject"
>
> baseType="bboxSizeType"
>
> description="Bounding box size is usually omitted, and can
> easily be calculated automatically by an X3D player at
> scene-loading time with minimal computational cost."/>
>
> <field name="center"
>
> type="SFVec3f"
>
> accessType="inputOutput"
>
> default="0 0 0"
>
> description="Translation offset from origin of local
> coordinate system."/>
>
> <field name="description"
>
> type="SFString"
>
> accessType="inputOutput"
>
> description="Author-provided prose that describes intended
> purpose of this node."/>
>
> <field name="info"
>
> type="MFString"
>
> accessType="inputOutput"
>
> description="Contains metadata keyword=value pairs, where
> approved keyword terms are humanoidVersion authorName
> authorEmail copyright creationDate usageRestrictions age
> gender height and weight."/>
>
> <field name="IS"
>
> type="SFNode"
>
> accessType="inputOutput"
>
> default="NULL"
>
> acceptableNodeTypes="IS"
>
> inheritedFrom="X3DNode"/>
>
> <field name="jointBindingPositions"
>
> type="MFVec3f"
>
> accessType="inputOutput"
>
> default="0 0 0"
>
> description="Specifies an array of position values for each
> HAnimJoint node in the joints field, in order, corresponding
> to each binding pose."/>
>
> <field name="jointBindingRotations"
>
> type="MFRotation"
>
> accessType="inputOutput"
>
> default="0 0 1 0"
>
> description="Specifies an array of rotation values for each
> HAnimJoint node in the joints field, in order, corresponding
> to each binding pose."/>
>
> <field name="jointBindingScales"
>
> type="MFVec3f"
>
> accessType="inputOutput"
>
> default="0 0 0"
>
> description="Specifies an array of scale values for each
> HAnimJoint node in the joints field, in order, corresponding
> to each binding pose."/>
>
> <field name="joints"
>
> type="MFNode"
>
> accessType="inputOutput"
>
> acceptableNodeTypes="HAnimJoint"
>
> description="The joints field contains a list of USE
> references for all HAnimJoint node instances found within the
> preceding skeleton hierarchy."/>
>
> <field name="loa"
>
> type="SFInt32"
>
> accessType="inputOutput"
>
> default="-1"
>
> minInclusive="-1"
>
> maxInclusive="4"
>
> baseType="loaType"
>
> description="Level Of Articulation 0."/>
>
> <field name="metadata"
>
> type="SFNode"
>
> accessType="inputOutput"
>
> default="NULL"
>
> acceptableNodeTypes="X3DMetadataObject"
>
> inheritedFrom="X3DNode"
>
> description="Information about this node can be contained in a
> MetadataBoolean, MetadataDouble, MetadataFloat,
> MetadataInteger, MetadataString or MetadataSet node."/>
>
> <field name="motions"
>
> type="MFNode"
>
> accessType="inputOutput"
>
> acceptableNodeTypes="HAnimMotion"
>
> description="Contains any HAnimMotion nodes that can animate
> the HAnimHumanoid."/>
>
> <field name="name"
>
> type="SFString"
>
> accessType="inputOutput"
>
> baseType="xs:NMTOKEN"
>
> description="Unique name attribute must be defined so that
> each HAnimHumanoid node in a scene can be identified at run
> time for animation purposes."/>
>
> <field name="rotation"
>
> type="SFRotation"
>
> accessType="inputOutput"
>
> default="0 0 1 0"
>
> description="Orientation of children relative to local
> coordinate system."/>
>
> <field name="scale"
>
> type="SFVec3f"
>
> accessType="inputOutput"
>
> default="1 1 1"
>
> minExclusive="0"
>
> description="Non-uniform x-y-z scale of child coordinate
> system, adjusted by center and scaleOrientation."/>
>
> <field name="scaleOrientation"
>
> type="SFRotation"
>
> accessType="inputOutput"
>
> default="0 0 1 0"
>
> description="Preliminary rotation of coordinate system before
> scaling (to allow scaling around arbitrary orientations)."/>
>
> <field name="segments"
>
> type="MFNode"
>
> accessType="inputOutput"
>
> acceptableNodeTypes="HAnimSegment"
>
> description="The segments field contains a list of USE
> references for all HAnimSegment node instances found within
> the preceding skeleton hierarchy."/>
>
> <field name="sites"
>
> type="MFNode"
>
> accessType="inputOutput"
>
> acceptableNodeTypes="HAnimSite"
>
> description="sites field contains a list of USE
> references for all HAnimSite node instances found within the
> preceding skeleton hierarchy."/>
>
> <field name="skeletalConfiguration"
>
> type="SFString"
>
> accessType="inputOutput"
>
> default="BASIC"
>
> description="Models sharing a common skeletal configuration
> can share animations and binding poses."/>
>
> <field name="skeleton"
>
> type="MFNode"
>
> accessType="inputOutput"
>
> acceptableNodeTypes="HAnimJoint|HAnimSite"
>
> description="List of top-level HAnimJoint and HAnimSite nodes
> that create the skeleton model."/>
>
> <field name="skin"
>
> type="MFNode"
>
> accessType="inputOutput"
>
> acceptableNodeTypes="Group|Transform|Shape|IndexedFaceSet"
>
> description="List of one or more indexed mesh definitions
> (such as IndexedFaceSet) that utilize skinCoord point and
> skinNormal normal data."/>
>
> <field name="skinBindingCoord"
>
> type="SFNode"
>
> accessType="inputOutput"
>
> default="NULL"
>
> acceptableNodeTypes="X3DCoordinateNode"
>
> description="Array of Coordinate nodes to handle non-default
> source pose so that both skin and skeleton can be in same
> binding pose."/>
>
> <field name="skinBindingNormal"
>
> type="SFNode"
>
> accessType="inputOutput"
>
> default="NULL"
>
> acceptableNodeTypes="X3DNormalNode"
>
> description="Array of Normal nodes to handle non-default
> source pose so that both skin and skeleton can be in same
> binding pose."/>
>
> <field name="skinCoord"
>
> type="SFNode"
>
> accessType="inputOutput"
>
> default="NULL"
>
> acceptableNodeTypes="X3DCoordinateNode"
>
> description="Coordinate node utilized by indexed mesh
> definitions for skin."/>
>
> <field name="skinNormal"
>
> type="SFNode"
>
> accessType="inputOutput"
>
> default="NULL"
>
> acceptableNodeTypes="X3DNormalNode"
>
> description="Single Normal node utilized by indexed mesh
> definitions for skin."/>
>
> <field name="translation"
>
> type="SFVec3f"
>
> accessType="inputOutput"
>
> default="0 0 0"
>
> description="Position of children relative to local coordinate
> system."/>
>
> <field name="version"
>
> type="SFString"
>
> accessType="inputOutput"
>
> default="2.0"
>
> additionalEnumerationValuesAllowed="false"
>
> simpleType="hanimVersionChoices"
>
> baseType="xs:NMTOKEN"
>
> description="HAnimHumanoid version, where value is 1.">
>
> <enumeration value="1.0"
>
> appinfo="International standard HAnim 19774 version 1 approved
> by ISO in 2006. Note that HAnim version 2.0 has more
> capabilties, while version 1.0 includes several small
> incompatibilities. Since no other versions were formally
> approved, no other values are allowed for earlier HAnim versions."
>
> documentation="https://www.web3d.org/documents/specifications/19774/V1.0"
> <https://www.web3d.org/documents/specifications/19774/V1.0> />
>
> <enumeration value="2.0"
>
> appinfo="Revised standard HAnim 19774 version 2 (parts 1 and
> 2) were approved by ISO in November 2019, published by Web3D
> Consortium May 2020."
>
> documentation="https://www.web3d.org/documents/specifications/19774/V2.0"
> <https://www.web3d.org/documents/specifications/19774/V2.0> />
>
> </field>
>
> <field name="viewpoints"
>
> type="MFNode"
>
> accessType="inputOutput"
>
> acceptableNodeTypes="HAnimSite"
>
> description="List of HAnimSite nodes containing Viewpoint
> nodes that appear in the skeleton model, usually as USE node
> references."/>
>
> <field name="visible"
>
> type="SFBool"
>
> accessType="inputOutput"
>
> default="true"
>
> inheritedFrom="X3DBoundedObject"
>
> description="Whether or not renderable content within this
> node is visually displayed."/>
>
> <field name="DEF"
>
> type="SFString"
>
> accessType="inputOutput"
>
> inheritedFrom="X3DNode"
>
> baseType="xs:ID"
>
> description="DEF defines a unique ID name for this node,
> referenceable by other nodes."/>
>
> <field name="USE"
>
> type="SFString"
>
> accessType="inputOutput"
>
> inheritedFrom="X3DNode"
>
> baseType="xs:IDREF"
>
> description="USE means reuse an already DEF-ed node ID,
> excluding all child nodes and all other attributes (except for
> containerField, which can have a different value)."/>
>
> <field name="class"
>
> type="SFString"
>
> accessType="inputOutput"
>
> inheritedFrom="X3DNode"
>
> baseType="xs:NMTOKENS"
>
> description="The class attribute on each X3D node and
> statement is a space-separated list of classes, reserved for
> use by Cascading Style Sheets (CSS) and XML stylesheets."/>
>
> <field name="id"
>
> type="SFString"
>
> accessType="inputOutput"
>
> inheritedFrom="X3DNode"
>
> baseType="xs:NMTOKEN"
>
> description="The id attribute on each X3D node and statement
> is considered a unique identifier when used as part of an
> encompassing HTML/DOM context."/>
>
> <field name="style"
>
> type="SFString"
>
> accessType="inputOutput"
>
> inheritedFrom="X3DNode"
>
> description="The style attribute on each X3D node and
> statement provides an inline block of CSS source for element
> styling, reserved for use by Cascading Style Sheets (CSS) and
> XML stylesheets."/>
>
> <containerField default="children" type="xs:NMTOKEN"/>
>
> <ContentModel>
>
> <GroupContentModel name="ChildContentModelCore" minOccurs="0"/>
>
> <NodeContentModel name="HAnimJoint" minOccurs="0"
> maxOccurs="unbounded"/>
>
> <NodeContentModel name="HAnimSegment" minOccurs="0"
> maxOccurs="unbounded"/>
>
> <NodeContentModel name="HAnimSite" minOccurs="0"
> maxOccurs="unbounded"/>
>
> <NodeContentModel name="HAnimMotion" minOccurs="0"
> maxOccurs="unbounded"/>
>
> <NodeContentModel name="Group"/>
>
> <NodeContentModel name="Transform"/>
>
> <NodeContentModel name="Shape"/>
>
> <NodeContentModel name="IndexedFaceSet"/>
>
> <NodeContentModel name="Coordinate"/>
>
> <NodeContentModel name="CoordinateDouble"/>
>
> <NodeContentModel name="Normal" minOccurs="0" maxOccurs="2"/>
>
> <NodeContentModel name="ProtoInstance" minOccurs="0"
> maxOccurs="unbounded"/>
>
> </ContentModel>
>
> </InterfaceDefinition>
>
> </ConcreteNode>
>
> Regarding python, I checked the conversion of JinLOA4.x3d to
> JinLOA4.py
>
> Stylesheet X3dToPython.xstl seemed to work OK
>
> HAnimHumanoid(DEF='hanim_JinLOA4',loa=4,name='JinLOA4',scale=(0.0225,0.0225,0.0225),version='2.0',
>
> skeleton=[
>
> HAnimJoint(DEF='hanim_humanoid_root',center=(0,36.709999,-0.707600),name='humanoid_root',stiffness=[0,0,0],
>
> but then got a self-validation error by the JinLOA4.py python
> program,
>
> create python:
>
> C:\x3d-code\www.web3d.org\x3d\content\examples\HumanoidAnimation/Characters//JinLOA4.x3d
> <http://www.web3d.org/x3d/content/examples/HumanoidAnimation/Characters/JinLOA4.x3d>
> processing with X3dToPython stylesheet...
>
> C:\x3d-code\www.web3d.org\x3d\content\examples\HumanoidAnimation/Characters//JinLOA4.py
> <http://www.web3d.org/x3d/content/examples/HumanoidAnimation/Characters/JinLOA4.py>
> self-validation tests...
>
> validate python:
>
> x3d.py package loaded, have fun with X3D Graphics!
>
> Traceback (most recent call last):
>
> File
> "C:\x3d-code\www.web3d.org\x3d\content\examples\HumanoidAnimation\Characters\JinLOA4.py
> <http://www.web3d.org/x3d/content/examples/HumanoidAnimation/Characters/JinLOA4.py>",
> line 169, in <module>
>
> HAnimJoint(DEF='hanim_l_tarsal_distal_interphalangeal_1',center=(2.761,0.539400,5.125),name='l_tarsal_distal_interphalangeal_1',stiffness=[0,0,0],
>
> File
> "C:\x3d-code\www.web3d.org\x3d\stylesheets\python\x3d\x3d.py
> <http://www.web3d.org/x3d/stylesheets/python/x3d/x3d.py>",
> line 43724, in __init__
>
> self.stiffness = stiffness
>
> File
> "C:\x3d-code\www.web3d.org\x3d\stylesheets\python\x3d\x3d.py
> <http://www.web3d.org/x3d/stylesheets/python/x3d/x3d.py>",
> line 43873, in stiffness
>
> assertValidSFVec3f(stiffness)
>
> File
> "C:\x3d-code\www.web3d.org\x3d\stylesheets\python\x3d\x3d.py
> <http://www.web3d.org/x3d/stylesheets/python/x3d/x3d.py>",
> line 3953, in assertValidSFVec3f
>
> raise X3DTypeError(str(value)[:100] + ', type=' +
> str(type(value)) + ' is not a valid Python tuple for SFVec3f')
>
> x3d.X3DTypeError: [0, 0, 0], type=<class 'list'> is not a
> valid Python tuple for SFVec3f
>
> Result: 1
>
> Note how stiffness=[0,0,0]was given as a list in brackets,
> rather than a tuple value in parentheses stiffness=(0,0,0) as
> might be expected for SFVec3f, and so this is a useful diagnostic.
>
> However the actual specification type for stiffness is
> MFFloat. (This was a mantis issue, might we tighten it to
> SFVec3f, but decided to keep it MFFloat in case more-advanced
> kinematics engines were someday of interest.
>
> *
> https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4-CD1/Part01/components/hanim.html#HAnimJoint
>
> 26.3.3 HAnimJoint
>
> HAnimJoint : X3DGroupingNode {
>
> […]
>
> MFFloat [in,out] stiffness [0 0 0] [0,1]
>
> Applied change to X3D DTD, X3D XML Schema and again
> autogenerated X3DUOM and x3d.py and X3D Ontology to match.
>
> 23 DEC 2021, carlson brutzman
>
> - restore type of HAnimJoint stiffness field as MFFloat (vice
> SFVec3f) to match
>
> specification, since more-advanced kinematics engines might
> someday hold interest.
>
> This fixed the stiffness error.
>
> However, next got a surprising conversion error (which might
> have been what you experienced originally):
>
> =====================
>
> create python:
>
> C:\x3d-code\www.web3d.org\x3d\content\examples\HumanoidAnimation/Characters//JinLOA4.x3d
> <http://www.web3d.org/x3d/content/examples/HumanoidAnimation/Characters/JinLOA4.x3d>
> processing with X3dToPython stylesheet...
>
> C:\x3d-code\www.web3d.org\x3d\content\examples\HumanoidAnimation/Characters//JinLOA4.py
> <http://www.web3d.org/x3d/content/examples/HumanoidAnimation/Characters/JinLOA4.py>
> self-validation tests...
>
> validate python:
>
> x3d.py package loaded, have fun with X3D Graphics!Traceback
> (most recent call last):
>
> File
> "C:\x3d-code\www.web3d.org\x3d\content\examples\HumanoidAnimation\Characters\JinLOA4.py
> <http://www.web3d.org/x3d/content/examples/HumanoidAnimation/Characters/JinLOA4.py>",
> line 50, in <module>
>
> HAnimHumanoid(DEF='hanim_JinLOA4',loa=4,name='JinLOA4',scale=(0.0225,0.0225,0.0225),version='2.0',
>
> TypeError: HAnimHumanoid.__init__() got an unexpected keyword
> argument 'value'
>
> Result: 1
>
> =====================
>
> Which apparently was on line 1950,
>
> value=MetadataSet(name='HAnimHumanoid.info',reference='https://www.web3d.org/documents/specifications/19774/V2.0/Architecture/ObjectInterfaces.html#Humanoid',etc.
>
> This conversion should have been metadata=MetadataSet etc.
> Looks like the field name for the HAnimHumanoid MetadataSet
> was not specified incorrectly, the automatic conversion by
> X3dTidy did not apply correct containerField value.
>
> I have added a rule to X3dTidy.xslt that looks for this case
> (for either representation, X3D3 or X3D4) and corrects it. I
> have added a similar diagnostic rule to X3dSchematron checks.
>
> All affected HAnimHumanoid scenes have been updated and are
> now getting compiled correctly by Python.
>
> All changes checked into subversion. Further regression
> testing continuing, website uploads to follow.
>
> So again thanks for exposing this issue. Pretty complex but
> resolvable. Once again the strict nature of Python aided us
> in achieving high Quality Assurance (QA) for X3D.
>
> Happy holidays with X3D! 8)
>
> 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 https://
> faculty.nps.edu/brutzman
>
> *From:* John Carlson <yottzumm at gmail.com>
> <mailto:yottzumm at gmail.com>
> *Sent:* Wednesday, December 22, 2021 12:44 PM
> *To:* Brutzman, Donald (Don) (CIV) <brutzman at nps.edu>
> <mailto:brutzman at nps.edu>; X3D Graphics public mailing list
> <x3d-public at web3d.org> <mailto:x3d-public at web3d.org>
> *Subject:* Re: HAnim, X3dToPython.xslt X3dToJson.xslt Upgrade
> X3DUOM?
>
> I believe I checked the right standard, here:
>
> https://www.web3d.org/documents/specifications/19774-1/V2.0/index.html
>
> And neither value or metadata is a field????
>
> Seems a bit strange.
>
> On Wed, Dec 22, 2021 at 2:20 PM John Carlson
> <yottzumm at gmail.com> wrote:
>
> hoping to see value field added to HAnimHumanoid in
> X3DUOM, or some notice that the package generating
> stylesheets are not up-to-date.
>
> Also, check to make sure stiffness is assigned the right
> data structure (between list and tuple). And no, iOS, I
> do not want “Tupperware” for the second time. We need
> more women mathematicians (sorry for any stereotyping).
> On that subject, I wonder what coordinate system crocheted
> hats use?
>
> On Mon, Dec 20, 2021 at 3:17 AM John Carlson
> <yottzumm at gmail.com> wrote:
>
> Okay, now I seem to be having a similar problem
> between my python serializer, X3dToPython.xslt, and
> probably other serialized stuff. I couldn't figure
> out how to fix the stiffness issue in
> X3dToPython.xslt, but hand-editing saved that on this
> particular python file
> (python/net/x3djsonld/data/JinLOA4.py). Other JinLOA's
> still have lists with Don's generator.
>
> I believe the main change I am dealing with is
> metadata vs value containerFields. See JSON diff
> below. I'm not seeing relevant changes to X3D JSON
> schema 4.0. Does something need to be upgraded in
> X3DUOM or X3D JSON schema? I'm not seeing a value
> field in HAnimHumanoid.
>
> *~/X3DJSONLD/src/main/python/net/coderextreme/data*$
> python JinLOA4.py
> Traceback (most recent call last):
> File
> "/home/coderextreme/X3DJSONLD/src/main/python/net/coderextreme/data/JinLOA4.py",
> line 148, in <module>
> HAnimHumanoid23.setValue(MetadataSet24)
> AttributeError:
> 'org.web3d.x3d.jsail.HAnim.HAnimHumanoid' object has
> no attribute 'setValue'. Did you mean: 'setName'?
> *~/X3DJSONLD/src/main/python/net/x3djsonld/data*$
> python JinLOA4.py
> x3d.py package loaded, have fun with X3D Graphics!
> Traceback (most recent call last):
> File
> "/home/coderextreme/X3DJSONLD/src/main/python/net/x3djsonld/data/JinLOA4.py",
> line 50, in <module>
> HAnimHumanoid(DEF='hanim_JinLOA4',loa=4,name='JinLOA4',scale=(0.0225,0.0225,0.0225),version='2.0',
>
> TypeError: HAnimHumanoid.__init__() got an unexpected
> keyword argument 'value'
>
>
> *~/X3DJSONLD/src/main/data*$ git diff JinLOA4.json
> *diff --git a/src/main/data/JinLOA4.json
> b/src/main/data/JinLOA4.json*
> *index c970a652a..e1930f4cf 100644*
> *--- a/src/main/data/JinLOA4.json*
> *+++ b/src/main/data/JinLOA4.json*
> @@ -78,7 +78,7 @@
> },
> {
> "@name":"translated",
> - "@content":"14 October 2021"
> + "@content":"20 December 2021"
> },
> {
> "@name":"generator",
> @@ -116,7 +116,7 @@
> "@loa":4,
> "@scale":[0.0225,0.0225,0.0225],
> "@version":"2.0",
> - "-metadata":
> + "-value":[
> { "MetadataSet":
> {
> "@name":"HAnimHumanoid.info",
> @@ -160,7 +160,8 @@
> }
> ]
> }
> - },
> + }
> + ],
> "-skeleton":[
> { "HAnimJoint":
> {
>
> ===================
>
> Validating JSON against schema:
>
> *~/X3DJSONLD/src/main/schema*$ node
> ~/x3dvalidate/x3dvalidate.js ../data/JinLOA4.json
> Loading schema
> Parsing schema
> Adding schema
> Schema 4.0 added
> Schema 4.0 compiled
> ================================================================================
>
> File: ../data/JinLOA4.json
> Error reading ../data/JinLOA4.json
> keyword: required
> instancePath: /X3D/Scene/-children/3/HAnimHumanoid
> message: must have required property @USE
> params: {"missingProperty":"@USE"}
> file: ../data/JinLOA4.json
> version: 4.0
>
> keyword: additionalProperties
> instancePath: /X3D/Scene/-children/3/HAnimHumanoid
> message: must NOT have additional properties
> params: {"additionalProperty":"-value"}
> file: ../data/JinLOA4.json
> version: 4.0
>
> keyword: oneOf
> instancePath: /X3D/Scene/-children/3/HAnimHumanoid
> message: must match exactly one schema in "oneOf"
> params: {"passingSchemas":null}
> file: ../data/JinLOA4.json
> version: 4.0
>
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