X3D Model Documentation: Skirt.x3d

  1  <?xml version="1.0" encoding="UTF-8"?>
  2 
<!DOCTYPE X3D PUBLIC "ISO//Web3D//DTD X3D 3.0//EN" "https://www.web3d.org/specifications/x3d-3.0.dtd">
  3  <X3D profile='Immersive' version='3.0 xmlns:xsd='http://www.w3.org/2001/XMLSchema-instance' xsd:noNamespaceSchemaLocation='https://www.web3d.org/specifications/x3d-3.0.xsd'>
  4       <head>
  5            <component level='3name='Interpolation'/>
  6            <meta name='titlecontent='Skirt.x3d'/>
  7            <meta name='descriptioncontent='Animated Skirt for LCAC which animates using a Vector2FloatArray Interpolator - click geometry to activate animation loop.'/>
  8            <meta name='creatorcontent='Jeff Weekley, Don Brutzman and Jane Wu'/>
  9            <meta name='createdcontent='15 July 2001'/>
 10            <meta name='modifiedcontent='20 October 2019'/>
 11            <meta name='referencecontent='https://www.web3d.org/technicalinfo/specifications/vrml97/part1/concepts.html#4.6.8'/>
 12            <meta name='referencecontent='https://www.web3d.org/technicalinfo/specifications/vrml97/part1/nodesRef.html#CoordinateInterpolator'/>
 13            <meta name='referencecontent='https://www.web3d.org/technicalinfo/specifications/vrml97/part1/nodesRef.html#Extrusion'/>
 14            <meta name='subjectcontent='Skirt'/>
 15            <meta name='identifiercontent='https://savage.nps.edu/Savage/AmphibiousVehicles/LCAC/Skirt.x3d'/>
 16            <meta name='generatorcontent='X3D-Edit 3.2, https://savage.nps.edu/X3D-Edit'/>
 17            <meta name='licensecontent='../../license.html'/>
 18       </head>
<!--

<!--
Event Graph ROUTE Table shows event connections.
-->

<!-- to top Index for DEF nodes: AnimatedCrossSectionExtrusion, Clock, InterpolateCrossSection, Toucher

Index for Viewpoint node: Viewpoint_1
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 19       <Scene>
 20            <WorldInfo title='Skirt.x3d'/>
 21            <Background skyColor='0.25 0.4 0.85'/>
 22            <!-- ====================================== -->
 23            <Viewpoint description='Click to inflate/deflate skirtorientation='1 0 0 0.5position='15 -15 30'/>
 24 
          <!-- ROUTE information for Clock node:  [from Toucher.isActive to enabled ] [from Toucher.touchTime to startTime ] [from fraction_changed to InterpolateCrossSection.set_fraction ] -->
          <TimeSensor DEF='ClockcycleInterval='5enabled='falseloop='true'/>
 25 
          <!-- ROUTE information for InterpolateCrossSection node:  [from Clock.fraction_changed to set_fraction ] [from value_changed to AnimatedCrossSectionExtrusion.set_crossSection ] -->
          <CoordinateInterpolator2D DEF='InterpolateCrossSectionkey='0 0.4 0.5 0.9 1keyValue='0 2 -0.05 1.8 -0.05 1.6 -0.0625 1.4 -0.1 1.2 -0.125 1 -0.2 0.8 -0.25 0.6 -0.2625 0.4 -0.275 0.3 -0.225 0.2 -0.15 0.1 -0.075 0.05 0 0 0 0 0 2 -0.2 2 -1.2 1 -1.2 0.9 -1.3 0.85 -1.4 0.8 -1.5 0.7 -1.55 0.5 -1.6 0.4 -1.55 0.2 -1.475 0.1 -1.39 0 0 0 0 0 0 2 -0.2 2 -1.2 1 -1.2 0.9 -1.3 0.85 -1.4 0.8 -1.5 0.7 -1.55 0.5 -1.6 0.4 -1.55 0.2 -1.475 0.1 -1.39 0 0 0 0 2 -0.05 1.8 -0.05 1.6 -0.0625 1.4 -0.1 1.2 -0.125 1 -0.2 0.8 -0.25 0.6 -0.2625 0.4 -0.275 0.3 -0.225 0.2 -0.15 0.1 -0.075 0.05 0 0 0 2 -0.05 1.8 -0.05 1.6 -0.0625 1.4 -0.1 1.2 -0.125 1 -0.2 0.8 -0.25 0.6 -0.2625 0.4 -0.275 0.3 -0.225 0.2 -0.15 0.1 -0.075 0.05 0 0'/>
 26            < ROUTE  fromNode='Clock' fromField='fraction_changed' toNode='InterpolateCrossSection' toField='set_fraction'/>
 27            <Group>
 28                 <Shape>
 29 
                    <!-- ROUTE information for AnimatedCrossSectionExtrusion node:  [from InterpolateCrossSection.value_changed to set_crossSection ] -->
                    <Extrusion DEF='AnimatedCrossSectionExtrusionconvex='falsecreaseAngle='3.14crossSection='0 2 -0.05 1.8 -0.05 1.6 -0.0625 1.4 -0.1 1.2 -0.125 1 -0.2 0.8 -0.25 0.6 -0.2625 0.4 -0.275 0.3 -0.225 0.2 -0.15 0.1 -0.075 0.05 0 0scale='1.66 1.66 1.5 1.5 1.25 1.25 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1.25 1.25 1.5 1.5 1.66 1.66solid='falsespine='0 0 0 0 6 0 0 7 0 1 7.225 0 29.4 7.225 0 30.1 7 0 30.1 0 0 30.1 -7 0 29.4 -7.225 0 1 -7.225 0 0 -7 0 0 -6 0 0 0 0'/>
 30                      <Appearance>
 31                           <Material diffuseColor='0.05 0.075 0.15shininess='0.125specularColor='0.4 0.45 0.45'/>
 32                      </Appearance>
 33                 </Shape>
 34 
               <!-- ROUTE information for Toucher node:  [from isActive to Clock.enabled ] [from touchTime to Clock.startTime ] -->
               <TouchSensor DEF='Toucherdescription='touch skirt to inflate/deflate'/>
 35                 < ROUTE  fromNode='Toucher' fromField='isActive' toNode='Clock' toField='enabled'/>
 36                 <!-- also reset clock to restart -->
 37                 < ROUTE  fromNode='Toucher' fromField='touchTime' toNode='Clock' toField='startTime'/>
 38            </Group>
 39            < ROUTE  fromNode='InterpolateCrossSection' fromField='value_changed' toNode='AnimatedCrossSectionExtrusion' toField='set_crossSection'/>
 40       </Scene>
 41  </X3D>
<!--

<!--
Event Graph ROUTE Table shows event connections.
-->

<!-- to top Index for DEF nodes: AnimatedCrossSectionExtrusion, Clock, InterpolateCrossSection, Toucher

Index for Viewpoint node: Viewpoint_1
-->
X3D Tooltips element index: Appearance, Background, component, CoordinateInterpolator2D, Extrusion, Group, head, Material, meta, ROUTE, Scene, Shape, TimeSensor, TouchSensor, Viewpoint, WorldInfo, X3D, accessType and type, XML data types, field types

Event Graph ROUTE Table entries with 4 ROUTE connections total, showing X3D event-model relationships for this scene.

Each row shows an event cascade that may occur during a single timestamp interval between frame renderings, as part of the X3D execution model.

Toucher
TouchSensor
isActive
SFBool

ROUTE
event to
(1)
Clock
TimeSensor
enabled
SFBool
then
 
 
 
Clock
TimeSensor
fraction_changed
SFFloat

ROUTE
event to
(2)
InterpolateCrossSection
CoordinateInterpolator2D
set_fraction
SFFloat
then
 
 
 
InterpolateCrossSection
CoordinateInterpolator2D
value_changed
MFVec2f

ROUTE
event to
(3)
AnimatedCrossSectionExtrusion
Extrusion
set_crossSection
MFVec2f
Toucher
TouchSensor
touchTime
SFTime

ROUTE
event to
(1)
Clock
TimeSensor
startTime
SFTime
then
 
 
 
Clock
TimeSensor
fraction_changed
SFFloat

ROUTE
event to
(2)
InterpolateCrossSection
CoordinateInterpolator2D
set_fraction
SFFloat
then
 
 
 
InterpolateCrossSection
CoordinateInterpolator2D
value_changed
MFVec2f

ROUTE
event to
(3)
AnimatedCrossSectionExtrusion
Extrusion
set_crossSection
MFVec2f

Additional guidance on X3D animation can be found in the 10-Step Animation Design Process and Event Tracing hint sheets. Have fun with X3D! 😀

-->
<!-- Online at
https://savage.nps.edu/Savage/AmphibiousVehicles/LCAC/SkirtIndex.html -->
<!-- Version control at
https://gitlab.nps.edu/Savage/Savage/AmphibiousVehicles/LCAC/Skirt.x3d -->

<!-- Color legend: X3D terminology <X3dNode  DEF='idNamefield='value'/> matches XML terminology <XmlElement  DEF='idNameattribute='value'/>
(Light-blue background: event-based behavior node or statement) (Grey background inside box: inserted documentation) (Magenta background: X3D Extensibility)
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