<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE X3D PUBLIC "ISO//Web3D//DTD X3D 3.2//EN" "http://www.web3d.org/specifications/x3d-3.2.dtd">
<X3D profile='Immersive' version='3.2 xmlns:xsd='http://www.w3.org/2001/XMLSchema-instance' xsd:noNamespaceSchemaLocation =' http://www.web3d.org/specifications/x3d-3.2.xsd '>
<head>
<meta name='titlecontent='FollowerExternalPrototypeDeclarations.x3d'/>
<meta name='descriptioncontent='X3D Follower example'/>
<meta name='creatorcontent='Herbert Stocker'/>
<meta name='translatorcontent='Don Brutzman'/>
<meta name='createdcontent='18 April 2006'/>
<meta name='translatedcontent='10 April 2012'/>
<meta name='modifiedcontent='20 October 2019'/>
<meta name='referencecontent='FollowerPrototypeDeclarations.x3d'/>
<meta name='referencecontent='originals/Chasers.wrl'/>
<meta name='referencecontent='originals/Dampers.wrl'/>
<meta name='referencecontent='Stocker_06_Followers.pdf'/>
<meta name='referencecontent=' http://www.hersto.com/Publications/Followers '/>
<meta name='requirescontent='X3D version 3.2 or greater'/>
<meta name='subjectcontent='X3D Follower Chaser Damper'/>
<meta name=' warning content=' under development '/>
<meta name='TODOcontent='Rename and test these prototypes to match final names in X3D Specification Followers Component'/>
<meta name='TODOcontent='Ensure full coverage of follower nodes in order to provide backwards compatibility with X3D v3.0 and v3.1.'/>
<meta name='referencecontent=' https://www.web3d.org/x3d/specifications/ISO-IEC-19775-1.2-X3D-AbstractSpecification/Part01/components/followers.html '/>
<meta name='referencecontent=' https://www.web3d.org/x3d/content/examples/X3dSceneAuthoringHints.html '/>
<meta name='identifiercontent=' https://www.web3d.org/x3d/content/examples/Basic/Followers/FollowerExternalPrototypeDeclarations.x3d '/>
<meta name='generatorcontent='Vrml97ToX3dNist, http://ovrt.nist.gov/v2_x3d.html'/>
<meta name='generatorcontent='X3D-Edit 3.3, https://savage.nps.edu/X3D-Edit'/>
<meta name='licensecontent=' ../../license.html'/>
</head>
<!-- -->
<Scene>
<WorldInfo info=' "The ExternProto nodes found in this file implement principles described in the paper"
"Linear Filters - Animating Objects in a Flexible and Pleasing Way"
"They have been proposed and added to the X3D standard in 2006."
"Webpage: "http://www.hersto.net/Followers" ""
"Please use the code in this file in any content or application you like"
"or modify it in any way."
""
"The code here works, however things like detecting when a transition has ended"
"and when the node can stop calculating and updating the output or secondary fields"
"like set_value or initial_destination are not yet implemented."
"Nevertheless, set_destination and value_changed do work."
title='Follower (Chaser and Damper) nodes'/>

<!-- ================================================ -->
<!-- Do not use these! The following ExternProtoDeclares were produced when converting the original examples, and are included for completeness only. -->
<ExternProtoDeclare name='OrientationChaser'
  url=' "urn:inet:hersto.net:node:OrientationChaser" "Chasers.x3d#OrientationChaser" "https://www.web3d.org/x3d/content/examples/Basic/Followers/Chasers.x3d#OrientationChaser" "Chasers.wrl#OrientationChaser" "https://www.web3d.org/x3d/content/examples/Basic/Followers/Chasers.wrl#OrientationChaser" "http://www.hersto.net/Followers/Chasers.wrl#OrientationChaser" '>
<field name='value_changedtype='SFRotationaccessType='outputOnly'/>
<field name='set_valuetype='SFRotationaccessType='inputOnly'/>
<field name='isActivetype='SFBoolaccessType='outputOnly'/>
<field name='set_destinationtype='SFRotationaccessType='inputOnly'/>
<field name='durationtype='SFTimeaccessType='initializeOnly'/>
<field name='initial_destinationtype='SFRotationaccessType='initializeOnly'/>
<field name='initial_valuetype='SFRotationaccessType='initializeOnly'/>
</ExternProtoDeclare>
<ExternProtoDeclare name='OrientationDamper'
  url=' "urn:inet:hersto.net:node:OrientationDamper" "Dampers.wrl#OrientationDamper" "http://www.hersto.net/Followers/Dampers.wrl#OrientationDamper" '>
<field name='isLoadedtype='SFBoolaccessType='outputOnly'/>
<field name='value_changedtype='SFRotationaccessType='outputOnly'/>
<field name='set_destinationtype='SFRotationaccessType='inputOnly'/>
<field name='initial_destinationtype='SFRotationaccessType='initializeOnly'/>
<field name='ordertype='SFInt32accessType='initializeOnly'/>
<field name='tautype='SFFloataccessType='inputOutput'/>
<field name='set_valuetype='SFRotationaccessType='inputOnly'/>
<field name='initial_valuetype='SFRotationaccessType='initializeOnly'/>
<field name='isActivetype='SFBoolaccessType='outputOnly'/>
<field name='epstype='SFFloataccessType='initializeOnly'/>
</ExternProtoDeclare>
<ExternProtoDeclare name='PlacementChaser'
  url=' "Chasers.x3d#PlacementChaser" "https://www.web3d.org/x3d/content/examples/Basic/Followers/Chasers.x3d#PlacementChaser" "Chasers.wrl#PlacementChaser" "https://www.web3d.org/x3d/content/examples/Basic/Followers/Chasers.wrl#PlacementChaser" '>
<field name='isLoadedtype='SFBoolaccessType='outputOnly'/>
<field name='set_valuePostype='SFVec3faccessType='inputOnly'/>
<field name='set_valueOritype='SFRotationaccessType='inputOnly'/>
<field name='set_destinationPostype='SFVec3faccessType='inputOnly'/>
<field name='durationtype='SFTimeaccessType='initializeOnly'/>
<field name='set_destinationOritype='SFRotationaccessType='inputOnly'/>
<field name='initial_valuePostype='SFVec3faccessType='initializeOnly'/>
<field name='initial_destinationPostype='SFVec3faccessType='initializeOnly'/>
<field name='valuePos_changedtype='SFVec3faccessType='outputOnly'/>
<field name='initial_valueOritype='SFRotationaccessType='initializeOnly'/>
<field name='initial_destinationOritype='SFRotationaccessType='initializeOnly'/>
<field name='valueOri_changedtype='SFRotationaccessType='outputOnly'/>
<field name='isActivetype='SFBoolaccessType='outputOnly'/>
</ExternProtoDeclare>
<ExternProtoDeclare name='Position2fDamper'
  url=' "urn:inet:hersto.net:node:Position2fDamper" "Dampers.wrl#Position2fDamper" "http://www.hersto.net/Followers/Dampers.wrl#Position2fDamper" '>
<field name='isLoadedtype='SFBoolaccessType='outputOnly'/>
<field name='value_changedtype='SFVec2faccessType='outputOnly'/>
<field name='set_destinationtype='SFVec2faccessType='inputOnly'/>
<field name='initial_destinationtype='SFVec2faccessType='initializeOnly'/>
<field name='ordertype='SFInt32accessType='initializeOnly'/>
<field name='tautype='SFFloataccessType='inputOutput'/>
<field name='set_valuetype='SFVec2faccessType='inputOnly'/>
<field name='initial_valuetype='SFVec2faccessType='initializeOnly'/>
<field name='isActivetype='SFBoolaccessType='outputOnly'/>
<field name='epstype='SFFloataccessType='initializeOnly'/>
</ExternProtoDeclare>
<ExternProtoDeclare name='Position2fChaser'
  url=' "urn:inet:hersto.net:node:Position2fChaser" "Chasers.wrl#Position2fChaser" "http://www.hersto.net/Followers/Chasers.wrl#Position2fChaser" '>
<field name='value_changedtype='SFVec2faccessType='outputOnly'/>
<field name='set_valuetype='SFVec2faccessType='inputOnly'/>
<field name='isActivetype='SFBoolaccessType='outputOnly'/>
<field name='set_destinationtype='SFVec2faccessType='inputOnly'/>
<field name='durationtype='SFTimeaccessType='initializeOnly'/>
<field name='initial_destinationtype='SFVec2faccessType='initializeOnly'/>
<field name='initial_valuetype='SFVec2faccessType='initializeOnly'/>
</ExternProtoDeclare>
<ExternProtoDeclare name='PositionChaser'
  url=' "urn:inet:hersto.net:node:PositionChaser" "Chasers.wrl#PositionChaser" "http://www.hersto.net/Followers/Chasers.wrl#PositionChaser" '>
<field name='value_changedtype='SFVec3faccessType='outputOnly'/>
<field name='set_valuetype='SFVec3faccessType='inputOnly'/>
<field name='isActivetype='SFBoolaccessType='outputOnly'/>
<field name='set_destinationtype='SFVec3faccessType='inputOnly'/>
<field name='durationtype='SFTimeaccessType='initializeOnly'/>
<field name='initial_destinationtype='SFVec3faccessType='initializeOnly'/>
<field name='initial_valuetype='SFVec3faccessType='initializeOnly'/>
</ExternProtoDeclare>
<ExternProtoDeclare name='PositionDamper'
  url=' "urn:inet:hersto.net:node:PositionDamper" "Dampers.wrl#PositionDamper" "http://www.hersto.net/Followers/Dampers.wrl#PositionDamper" '>
<field name='isLoadedtype='SFBoolaccessType='outputOnly'/>
<field name='value_changedtype='SFVec3faccessType='outputOnly'/>
<field name='set_destinationtype='SFVec3faccessType='inputOnly'/>
<field name='initial_destinationtype='SFVec3faccessType='initializeOnly'/>
<field name='ordertype='SFInt32accessType='initializeOnly'/>
<field name='tautype='SFFloataccessType='inputOutput'/>
<field name='set_valuetype='SFVec3faccessType='inputOnly'/>
<field name='initial_valuetype='SFVec3faccessType='initializeOnly'/>
<field name='isActivetype='SFBoolaccessType='outputOnly'/>
<field name='epstype='SFFloataccessType='initializeOnly'/>
</ExternProtoDeclare>
<ExternProtoDeclare name='ScalarDamper'
  url=' "Dampers.x3d#ScalarDamper" "https://www.web3d.org/x3d/content/examples/Basic/Followers/Dampers.x3d#ScalarDamper" "Dampers.wrl#ScalarDamper" "https://www.web3d.org/x3d/content/examples/Basic/Followers/Dampers.wrl#ScalarDamper" '>
<field name='isLoadedtype='SFBoolaccessType='outputOnly'/>
<field name='value_changedtype='SFFloataccessType='outputOnly'/>
<field name='set_destinationtype='SFFloataccessType='inputOnly'/>
<field name='initial_destinationtype='SFFloataccessType='initializeOnly'/>
<field name='ordertype='SFInt32accessType='initializeOnly'/>
<field name='tautype='SFFloataccessType='inputOutput'/>
<field name='set_valuetype='SFFloataccessType='inputOnly'/>
<field name='transparency_changedtype='SFFloataccessType='outputOnly'/>
<field name='initial_valuetype='SFFloataccessType='initializeOnly'/>
<field name='isActivetype='SFBoolaccessType='outputOnly'/>
<field name='epstype='SFFloataccessType='initializeOnly'/>
</ExternProtoDeclare>
</Scene>
</X3D>
<!--

Index for ExternProtoDeclare definitions : OrientationChaser, OrientationDamper, PlacementChaser, Position2fChaser, Position2fDamper, PositionChaser, PositionDamper, ScalarDamper
-->

<!-- Color key: <X3dNode field='value'/> matches <XmlElement attribute='value'/>
(Light blue background: behavior node) (Grey background: inserted documentation) (Magenta background: X3D Extensibility)
    <Prototype name='ProtoName'> <field name='fieldName'/> </Prototype> -->

<!-- Additional help information about X3D scenes: X3D Resources, X3D Scene Authoring Hints and X3D Tooltips -->