package Basic.Followers;

import org.web3d.x3d.jsail.Core.*;
import org.web3d.x3d.jsail.fields.*;

// Javadoc metadata annotations follow, see below for X3DJSAIL Java source code.
/**
 * <p> X3D Follower example using developmental prototypes. </p>
 <p> Related links: Catalog page <a href="../../../Followers/FollowerExternalPrototypeDeclarationsIndex.html" target="_blank">FollowerExternalPrototypeDeclarations</a>,  source <a href="../../../Followers/FollowerExternalPrototypeDeclarations.java">FollowerExternalPrototypeDeclarations.java</a>, <a href="https://www.web3d.org/x3d/content/examples/X3dResources.html" target="_blank">X3D Resources</a>, <a href="https://www.web3d.org/x3d/content/examples/X3dSceneAuthoringHints.html" target="_blank">X3D Scene Authoring Hints</a>, and <a href="https://www.web3d.org/x3d/content/X3dTooltips.html" target="_blank">X3D Tooltips</a>. </p>
	<table style="color:black; border:0px solid; border-spacing:10px 0px;">
        <caption>Scene Meta Information</caption>
		<tr style="background-color:silver; border-color:silver;">
			<td style="text-align:center; padding:10px 0px;"><i>meta tags</i></td>
			<td style="text-align:left;   padding:10px 0px;">&nbsp; Document Metadata </td>
		</tr>

		<tr>
			<td style="text-align:right; vertical-align: text-top;"> <i> title </i> </td>
			<td> <a href="../../../Followers/FollowerExternalPrototypeDeclarations.x3d">FollowerExternalPrototypeDeclarations.x3d</a> </td>
		</tr>
		<tr>
			<td style="text-align:right; vertical-align: text-top;"> <i> description </i> </td>
			<td> X3D Follower example using developmental prototypes. </td>
		</tr>
		<tr>
			<td style="text-align:right; vertical-align: text-top;"> <i> creator </i> </td>
			<td> Herbert Stocker </td>
		</tr>
		<tr>
			<td style="text-align:right; vertical-align: text-top;"> <i> translator </i> </td>
			<td> Don Brutzman </td>
		</tr>
		<tr>
			<td style="text-align:right; vertical-align: text-top;"> <i> created </i> </td>
			<td> 18 April 2006 </td>
		</tr>
		<tr>
			<td style="text-align:right; vertical-align: text-top;"> <i> translated </i> </td>
			<td> 10 April 2012 </td>
		</tr>
		<tr>
			<td style="text-align:right; vertical-align: text-top;"> <i> modified </i> </td>
			<td> 7 December 2024 </td>
		</tr>
		<tr style="color:burntorange">
			<td style="text-align:right; vertical-align: text-top;"> <i> warning </i> </td>
			<td> This scene was used for X3D development and is no longer correct. </td>
		</tr>
		<tr>
			<td style="text-align:right; vertical-align: text-top;"> <i> specificationSection </i> </td>
			<td> X3D Architecture, clause 39 Followers component </td>
		</tr>
		<tr>
			<td style="text-align:right; vertical-align: text-top;"> <i> specificationUrl </i> </td>
			<td> <a href="https://www.web3d.org/specifications/X3Dv4/ISO-IEC19775-1v4-IS/Part01/components/followers.html" target="_blank">https://www.web3d.org/specifications/X3Dv4/ISO-IEC19775-1v4-IS/Part01/components/followers.html</a> </td>
		</tr>
		<tr>
			<td style="text-align:right; vertical-align: text-top;"> <i> reference </i> </td>
			<td> <a href="../../../Followers/FollowerPrototypeDeclarations.x3d">FollowerPrototypeDeclarations.x3d</a> </td>
		</tr>
		<tr>
			<td style="text-align:right; vertical-align: text-top;"> <i> reference </i> </td>
			<td> originals/Chasers.wrl </td>
		</tr>
		<tr>
			<td style="text-align:right; vertical-align: text-top;"> <i> reference </i> </td>
			<td> originals/Dampers.wrl </td>
		</tr>
		<tr>
			<td style="text-align:right; vertical-align: text-top;"> <i> reference </i> </td>
			<td> <a href="../../../Followers/Stocker_06_Followers.pdf">Stocker_06_Followers.pdf</a> </td>
		</tr>
		<tr>
			<td style="text-align:right; vertical-align: text-top;"> <i> reference </i> </td>
			<td> <a href="http://www.hersto.com/Publications/Followers" target="_blank">http://www.hersto.com/Publications/Followers</a> </td>
		</tr>
		<tr>
			<td style="text-align:right; vertical-align: text-top;"> <i> requires </i> </td>
			<td> X3D version 3.2 or greater </td>
		</tr>
		<tr>
			<td style="text-align:right; vertical-align: text-top;"> <i> subject </i> </td>
			<td> X3D Follower Chaser Damper </td>
		</tr>
		<tr>
			<td style="text-align:right; vertical-align: text-top;"> <i> reference </i> </td>
			<td> <a href="https://www.web3d.org/x3d/content/examples/X3dSceneAuthoringHints.html" target="_blank">https://www.web3d.org/x3d/content/examples/X3dSceneAuthoringHints.html</a> </td>
		</tr>
		<tr>
			<td style="text-align:right; vertical-align: text-top;"> <i> identifier </i> </td>
			<td> <a href="https://www.web3d.org/x3d/content/examples/Basic/Followers/FollowerExternalPrototypeDeclarations.x3d" target="_blank">https://www.web3d.org/x3d/content/examples/Basic/Followers/FollowerExternalPrototypeDeclarations.x3d</a> </td>
		</tr>
		<tr>
			<td style="text-align:right; vertical-align: text-top;"> <i> generator </i> </td>
			<td> Vrml97ToX3dNist, <a href="http://ovrt.nist.gov/v2_x3d.html" target="_blank">http://ovrt.nist.gov/v2_x3d.html</a> </td>
		</tr>
		<tr>
			<td style="text-align:right; vertical-align: text-top;"> <i> generator </i> </td>
			<td> X3D-Edit 3.3, <a href="https://savage.nps.edu/X3D-Edit" target="_blank">https://savage.nps.edu/X3D-Edit</a> </td>
		</tr>
		<tr>
			<td style="text-align:right; vertical-align: text-top;"> <i> license </i> </td>
			<td> <a href="../../../Followers/../../license.html">../../license.html</a> </td>
		</tr>
		<tr style="background-color:silver; border-color:silver;">
			<td style="text-align:center;" colspan="2">  &nbsp; </td>
		</tr>
	</table>

	<p>
		This program uses the
		<a href="https://www.web3d.org/specifications/java/X3DJSAIL.html" target="_blank">X3D Java Scene Access Interface Library (X3DJSAIL)</a>.
		It has been produced using the 
		<a href="https://www.web3d.org/x3d/stylesheets/X3dToJava.xslt" target="_blank">X3dToJava.xslt</a>
		stylesheet
	       (<a href="https://sourceforge.net/p/x3d/code/HEAD/tree/www.web3d.org/x3d/stylesheets/X3dToJava.xslt" target="_blank">version control</a>)
                which is used to create Java source code from an original <code>.x3d</code> model.
	</p>

	* @author Herbert Stocker
 */

public class FollowerExternalPrototypeDeclarations
{
	/** Default constructor to create this object. */
	public FollowerExternalPrototypeDeclarations ()
	{
	  initialize();
	}

	/** Create and initialize the X3D model for this object. */
	public final void initialize()
	{
            try { // catch-all
  x3dModel = new X3D().setProfile(X3D.PROFILE_IMMERSIVE).setVersion(X3D.VERSION_3_2)
  .setHead(new head()
    .addMeta(new meta().setName(meta.NAME_TITLE      ).setContent("FollowerExternalPrototypeDeclarations.x3d"))
    .addMeta(new meta().setName(meta.NAME_DESCRIPTION).setContent("X3D Follower example using developmental prototypes."))
    .addMeta(new meta().setName(meta.NAME_CREATOR    ).setContent("Herbert Stocker"))
    .addMeta(new meta().setName(meta.NAME_TRANSLATOR ).setContent("Don Brutzman"))
    .addMeta(new meta().setName(meta.NAME_CREATED    ).setContent("18 April 2006"))
    .addMeta(new meta().setName(meta.NAME_TRANSLATED ).setContent("10 April 2012"))
    .addMeta(new meta().setName(meta.NAME_MODIFIED   ).setContent("7 December 2024"))
    .addMeta(new meta().setName(meta.NAME_WARNING    ).setContent("This scene was used for X3D development and is no longer correct."))
    .addMeta(new meta().setName(meta.NAME_SPECIFICATIONSECTION).setContent("X3D Architecture, clause 39 Followers component"))
    .addMeta(new meta().setName(meta.NAME_SPECIFICATIONURL).setContent("https://www.web3d.org/specifications/X3Dv4/ISO-IEC19775-1v4-IS/Part01/components/followers.html"))
    .addMeta(new meta().setName(meta.NAME_REFERENCE  ).setContent("FollowerPrototypeDeclarations.x3d"))
    .addMeta(new meta().setName(meta.NAME_REFERENCE  ).setContent("originals/Chasers.wrl"))
    .addMeta(new meta().setName(meta.NAME_REFERENCE  ).setContent("originals/Dampers.wrl"))
    .addMeta(new meta().setName(meta.NAME_REFERENCE  ).setContent("Stocker_06_Followers.pdf"))
    .addMeta(new meta().setName(meta.NAME_REFERENCE  ).setContent("http://www.hersto.com/Publications/Followers"))
    .addMeta(new meta().setName(meta.NAME_REQUIRES   ).setContent("X3D version 3.2 or greater"))
    .addMeta(new meta().setName(meta.NAME_SUBJECT    ).setContent("X3D Follower Chaser Damper"))
    .addMeta(new meta().setName(meta.NAME_REFERENCE  ).setContent("https://www.web3d.org/x3d/content/examples/X3dSceneAuthoringHints.html"))
    .addMeta(new meta().setName(meta.NAME_IDENTIFIER ).setContent("https://www.web3d.org/x3d/content/examples/Basic/Followers/FollowerExternalPrototypeDeclarations.x3d"))
    .addMeta(new meta().setName(meta.NAME_GENERATOR  ).setContent("Vrml97ToX3dNist, http://ovrt.nist.gov/v2_x3d.html"))
    .addMeta(new meta().setName(meta.NAME_GENERATOR  ).setContent("X3D-Edit 3.3, https://savage.nps.edu/X3D-Edit"))
    .addMeta(new meta().setName(meta.NAME_LICENSE    ).setContent("../../license.html"))
    .addComments(" meta content='Rename and test these prototypes to match final names in X3D Specification Followers Component' name='TODO' ")
    .addComments(" meta content='Ensure full coverage of follower nodes in order to provide backwards compatibility with X3D v3.0 and v3.1.' name='TODO' "))
  .setScene(new Scene()
    .addChild(new WorldInfo().setInfo(new String[] {"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."}).setTitle("Follower (Chaser and Damper) nodes"))
    .addComments(" ================================================ ")
    .addComments(" Do not use these! The following ExternProtoDeclares were produced when converting the original examples, and are included for completeness only. ")
    .addChild(new ExternProtoDeclare("OrientationChaser").setName("OrientationChaser").setUrl(new String[] {"originals/Chasers.x3d#OrientationChaser","https://www.web3d.org/x3d/content/examples/Basic/Followers/originals/Chasers.x3d#OrientationChaser","originals/Chasers.wrl#OrientationChaser","https://www.web3d.org/x3d/content/examples/Basic/Followers/originals/Chasers.wrl#OrientationChaser"})
      .addComments(" \"urn:inet:hersto.net:node:OrientationChaser\" \"Chasers.x3d#OrientationChaser\" ")
      .addComments(" \"http://www.hersto.net/Followers/Chasers.wrl#OrientationChaser\" ")
      .addField(new field().setName("value_changed").setType(field.TYPE_SFROTATION).setAccessType(field.ACCESSTYPE_OUTPUTONLY))
      .addField(new field().setName("set_value").setType(field.TYPE_SFROTATION).setAccessType(field.ACCESSTYPE_INPUTONLY))
      .addField(new field().setName("isActive").setType(field.TYPE_SFBOOL).setAccessType(field.ACCESSTYPE_OUTPUTONLY))
      .addField(new field().setName("set_destination").setType(field.TYPE_SFROTATION).setAccessType(field.ACCESSTYPE_INPUTONLY))
      .addField(new field().setName("duration").setType(field.TYPE_SFTIME).setAccessType(field.ACCESSTYPE_INITIALIZEONLY))
      .addField(new field().setName("initial_destination").setType(field.TYPE_SFROTATION).setAccessType(field.ACCESSTYPE_INITIALIZEONLY))
      .addField(new field().setName("initial_value").setType(field.TYPE_SFROTATION).setAccessType(field.ACCESSTYPE_INITIALIZEONLY)))
    .addChild(new ExternProtoDeclare("OrientationDamper").setName("OrientationDamper").setUrl(new String[] {"originals/Chasers.x3d#OrientationDamper","https://www.web3d.org/x3d/content/examples/Basic/Followers/originals/Chasers.x3d#OrientationDamper","originals/Chasers.wrl#OrientationDamper","https://www.web3d.org/x3d/content/examples/Basic/Followers/originals/Chasers.wrl#OrientationDamper"})
      .addComments(" \"urn:inet:hersto.net:node:OrientationDamper\" \"Dampers.wrl#OrientationDamper\" ")
      .addComments(" http://www.hersto.net/Followers/Dampers.wrl#OrientationDamper\" ")
      .addField(new field().setName("isLoaded").setType(field.TYPE_SFBOOL).setAccessType(field.ACCESSTYPE_OUTPUTONLY))
      .addField(new field().setName("value_changed").setType(field.TYPE_SFROTATION).setAccessType(field.ACCESSTYPE_OUTPUTONLY))
      .addField(new field().setName("set_destination").setType(field.TYPE_SFROTATION).setAccessType(field.ACCESSTYPE_INPUTONLY))
      .addField(new field().setName("initial_destination").setType(field.TYPE_SFROTATION).setAccessType(field.ACCESSTYPE_INITIALIZEONLY))
      .addField(new field().setName("order").setType(field.TYPE_SFINT32).setAccessType(field.ACCESSTYPE_INITIALIZEONLY))
      .addField(new field().setName("tau").setType(field.TYPE_SFFLOAT).setAccessType(field.ACCESSTYPE_INPUTOUTPUT))
      .addField(new field().setName("set_value").setType(field.TYPE_SFROTATION).setAccessType(field.ACCESSTYPE_INPUTONLY))
      .addField(new field().setName("initial_value").setType(field.TYPE_SFROTATION).setAccessType(field.ACCESSTYPE_INITIALIZEONLY))
      .addField(new field().setName("isActive").setType(field.TYPE_SFBOOL).setAccessType(field.ACCESSTYPE_OUTPUTONLY))
      .addField(new field().setName("eps").setType(field.TYPE_SFFLOAT).setAccessType(field.ACCESSTYPE_INITIALIZEONLY)))
    .addChild(new ExternProtoDeclare("PlacementChaser").setName("PlacementChaser").setUrl(new String[] {"originals/Chasers.x3d#PlacementChaser","https://www.web3d.org/x3d/content/examples/Basic/Followers/originals/Chasers.x3d#PlacementChaser","originals/Chasers.wrl#PlacementChaser","https://www.web3d.org/x3d/content/examples/Basic/Followers/originals/Chasers.wrl#PlacementChaser"})
      .addField(new field().setName("isLoaded").setType(field.TYPE_SFBOOL).setAccessType(field.ACCESSTYPE_OUTPUTONLY))
      .addField(new field().setName("set_valuePos").setType(field.TYPE_SFVEC3F).setAccessType(field.ACCESSTYPE_INPUTONLY))
      .addField(new field().setName("set_valueOri").setType(field.TYPE_SFROTATION).setAccessType(field.ACCESSTYPE_INPUTONLY))
      .addField(new field().setName("set_destinationPos").setType(field.TYPE_SFVEC3F).setAccessType(field.ACCESSTYPE_INPUTONLY))
      .addField(new field().setName("duration").setType(field.TYPE_SFTIME).setAccessType(field.ACCESSTYPE_INITIALIZEONLY))
      .addField(new field().setName("set_destinationOri").setType(field.TYPE_SFROTATION).setAccessType(field.ACCESSTYPE_INPUTONLY))
      .addField(new field().setName("initial_valuePos").setType(field.TYPE_SFVEC3F).setAccessType(field.ACCESSTYPE_INITIALIZEONLY))
      .addField(new field().setName("initial_destinationPos").setType(field.TYPE_SFVEC3F).setAccessType(field.ACCESSTYPE_INITIALIZEONLY))
      .addField(new field().setName("valuePos_changed").setType(field.TYPE_SFVEC3F).setAccessType(field.ACCESSTYPE_OUTPUTONLY))
      .addField(new field().setName("initial_valueOri").setType(field.TYPE_SFROTATION).setAccessType(field.ACCESSTYPE_INITIALIZEONLY))
      .addField(new field().setName("initial_destinationOri").setType(field.TYPE_SFROTATION).setAccessType(field.ACCESSTYPE_INITIALIZEONLY))
      .addField(new field().setName("valueOri_changed").setType(field.TYPE_SFROTATION).setAccessType(field.ACCESSTYPE_OUTPUTONLY))
      .addField(new field().setName("isActive").setType(field.TYPE_SFBOOL).setAccessType(field.ACCESSTYPE_OUTPUTONLY)))
    .addChild(new ExternProtoDeclare("Position2fDamper").setName("Position2fDamper").setUrl(new String[] {"originals/Chasers.x3d#Position2fDamper","https://www.web3d.org/x3d/content/examples/Basic/Followers/originals/Chasers.x3d#Position2fDamper","originals/Chasers.wrl#Position2fDamper","https://www.web3d.org/x3d/content/examples/Basic/Followers/originals/Chasers.wrl#Position2fDamper"})
      .addField(new field().setName("isLoaded").setType(field.TYPE_SFBOOL).setAccessType(field.ACCESSTYPE_OUTPUTONLY))
      .addComments(" \"urn:inet:hersto.net:node:Position2fDamper\" ")
      .addComments(" \"http://www.hersto.net/Followers/\"originals/Dampers.wrl#Position2fDamper\" ")
      .addField(new field().setName("value_changed").setType(field.TYPE_SFVEC2F).setAccessType(field.ACCESSTYPE_OUTPUTONLY))
      .addField(new field().setName("set_destination").setType(field.TYPE_SFVEC2F).setAccessType(field.ACCESSTYPE_INPUTONLY))
      .addField(new field().setName("initial_destination").setType(field.TYPE_SFVEC2F).setAccessType(field.ACCESSTYPE_INITIALIZEONLY))
      .addField(new field().setName("order").setType(field.TYPE_SFINT32).setAccessType(field.ACCESSTYPE_INITIALIZEONLY))
      .addField(new field().setName("tau").setType(field.TYPE_SFFLOAT).setAccessType(field.ACCESSTYPE_INPUTOUTPUT))
      .addField(new field().setName("set_value").setType(field.TYPE_SFVEC2F).setAccessType(field.ACCESSTYPE_INPUTONLY))
      .addField(new field().setName("initial_value").setType(field.TYPE_SFVEC2F).setAccessType(field.ACCESSTYPE_INITIALIZEONLY))
      .addField(new field().setName("isActive").setType(field.TYPE_SFBOOL).setAccessType(field.ACCESSTYPE_OUTPUTONLY))
      .addField(new field().setName("eps").setType(field.TYPE_SFFLOAT).setAccessType(field.ACCESSTYPE_INITIALIZEONLY)))
    .addChild(new ExternProtoDeclare("Position2fChaser").setName("Position2fChaser").setUrl(new String[] {"originals/Chasers.x3d#Position2fChaser","https://www.web3d.org/x3d/content/examples/Basic/Followers/originals/Chasers.x3d#Position2fChaser","originals/Chasers.wrl#Position2fChaser","https://www.web3d.org/x3d/content/examples/Basic/Followers/originals/Chasers.wrl#Position2fChaser"})
      .addComments(" \"urn:inet:hersto.net:node:Position2fChaser\" ")
      .addComments(" \"http://www.hersto.net/Followers/Chasers.wrl#Position2fChaser\" ")
      .addField(new field().setName("value_changed").setType(field.TYPE_SFVEC2F).setAccessType(field.ACCESSTYPE_OUTPUTONLY))
      .addField(new field().setName("set_value").setType(field.TYPE_SFVEC2F).setAccessType(field.ACCESSTYPE_INPUTONLY))
      .addField(new field().setName("isActive").setType(field.TYPE_SFBOOL).setAccessType(field.ACCESSTYPE_OUTPUTONLY))
      .addField(new field().setName("set_destination").setType(field.TYPE_SFVEC2F).setAccessType(field.ACCESSTYPE_INPUTONLY))
      .addField(new field().setName("duration").setType(field.TYPE_SFTIME).setAccessType(field.ACCESSTYPE_INITIALIZEONLY))
      .addField(new field().setName("initial_destination").setType(field.TYPE_SFVEC2F).setAccessType(field.ACCESSTYPE_INITIALIZEONLY))
      .addField(new field().setName("initial_value").setType(field.TYPE_SFVEC2F).setAccessType(field.ACCESSTYPE_INITIALIZEONLY)))
    .addChild(new ExternProtoDeclare("PositionChaser").setName("PositionChaser").setUrl(new String[] {"originals/Chasers.x3d#PositionChaser","https://www.web3d.org/x3d/content/examples/Basic/Followers/originals/Chasers.x3d#PositionChaser","originals/Chasers.wrl#PositionChaser","https://www.web3d.org/x3d/content/examples/Basic/Followers/originals/Chasers.wrl#PositionChaser"})
      .addComments(" \"urn:inet:hersto.net:node:PositionChaser\" ")
      .addComments(" \"http://www.hersto.net/Followers/Chasers.wrl#PositionChaser\" ")
      .addField(new field().setName("value_changed").setType(field.TYPE_SFVEC3F).setAccessType(field.ACCESSTYPE_OUTPUTONLY))
      .addField(new field().setName("set_value").setType(field.TYPE_SFVEC3F).setAccessType(field.ACCESSTYPE_INPUTONLY))
      .addField(new field().setName("isActive").setType(field.TYPE_SFBOOL).setAccessType(field.ACCESSTYPE_OUTPUTONLY))
      .addField(new field().setName("set_destination").setType(field.TYPE_SFVEC3F).setAccessType(field.ACCESSTYPE_INPUTONLY))
      .addField(new field().setName("duration").setType(field.TYPE_SFTIME).setAccessType(field.ACCESSTYPE_INITIALIZEONLY))
      .addField(new field().setName("initial_destination").setType(field.TYPE_SFVEC3F).setAccessType(field.ACCESSTYPE_INITIALIZEONLY))
      .addField(new field().setName("initial_value").setType(field.TYPE_SFVEC3F).setAccessType(field.ACCESSTYPE_INITIALIZEONLY)))
    .addChild(new ExternProtoDeclare("PositionDamper").setName("PositionDamper").setUrl(new String[] {"originals/Chasers.x3d#PositionDamper","https://www.web3d.org/x3d/content/examples/Basic/Followers/originals/Chasers.x3d#PositionDamper","originals/Chasers.wrl#PositionDamper","https://www.web3d.org/x3d/content/examples/Basic/Followers/originals/Chasers.wrl#PositionDamper"})
      .addComments(" \"urn:inet:hersto.net:node:PositionDamper\" ")
      .addComments(" \"http://www.hersto.net/Followers/Dampers.wrl#PositionDamper\" ")
      .addField(new field().setName("isLoaded").setType(field.TYPE_SFBOOL).setAccessType(field.ACCESSTYPE_OUTPUTONLY))
      .addField(new field().setName("value_changed").setType(field.TYPE_SFVEC3F).setAccessType(field.ACCESSTYPE_OUTPUTONLY))
      .addField(new field().setName("set_destination").setType(field.TYPE_SFVEC3F).setAccessType(field.ACCESSTYPE_INPUTONLY))
      .addField(new field().setName("initial_destination").setType(field.TYPE_SFVEC3F).setAccessType(field.ACCESSTYPE_INITIALIZEONLY))
      .addField(new field().setName("order").setType(field.TYPE_SFINT32).setAccessType(field.ACCESSTYPE_INITIALIZEONLY))
      .addField(new field().setName("tau").setType(field.TYPE_SFFLOAT).setAccessType(field.ACCESSTYPE_INPUTOUTPUT))
      .addField(new field().setName("set_value").setType(field.TYPE_SFVEC3F).setAccessType(field.ACCESSTYPE_INPUTONLY))
      .addField(new field().setName("initial_value").setType(field.TYPE_SFVEC3F).setAccessType(field.ACCESSTYPE_INITIALIZEONLY))
      .addField(new field().setName("isActive").setType(field.TYPE_SFBOOL).setAccessType(field.ACCESSTYPE_OUTPUTONLY))
      .addField(new field().setName("eps").setType(field.TYPE_SFFLOAT).setAccessType(field.ACCESSTYPE_INITIALIZEONLY)))
    .addChild(new ExternProtoDeclare("ScalarDamper").setName("ScalarDamper").setUrl(new String[] {"originals/Dampers.wrl#ScalarDamper","https://www.web3d.org/x3d/content/examples/Basic/Followers/originals/Dampers.wrl#ScalarDamper"})
      .addField(new field().setName("isLoaded").setType(field.TYPE_SFBOOL).setAccessType(field.ACCESSTYPE_OUTPUTONLY))
      .addField(new field().setName("value_changed").setType(field.TYPE_SFFLOAT).setAccessType(field.ACCESSTYPE_OUTPUTONLY))
      .addField(new field().setName("set_destination").setType(field.TYPE_SFFLOAT).setAccessType(field.ACCESSTYPE_INPUTONLY))
      .addField(new field().setName("initial_destination").setType(field.TYPE_SFFLOAT).setAccessType(field.ACCESSTYPE_INITIALIZEONLY))
      .addField(new field().setName("order").setType(field.TYPE_SFINT32).setAccessType(field.ACCESSTYPE_INITIALIZEONLY))
      .addField(new field().setName("tau").setType(field.TYPE_SFFLOAT).setAccessType(field.ACCESSTYPE_INPUTOUTPUT))
      .addField(new field().setName("set_value").setType(field.TYPE_SFFLOAT).setAccessType(field.ACCESSTYPE_INPUTONLY))
      .addField(new field().setName("transparency_changed").setType(field.TYPE_SFFLOAT).setAccessType(field.ACCESSTYPE_OUTPUTONLY))
      .addField(new field().setName("initial_value").setType(field.TYPE_SFFLOAT).setAccessType(field.ACCESSTYPE_INITIALIZEONLY))
      .addField(new field().setName("isActive").setType(field.TYPE_SFBOOL).setAccessType(field.ACCESSTYPE_OUTPUTONLY))
      .addField(new field().setName("eps").setType(field.TYPE_SFFLOAT).setAccessType(field.ACCESSTYPE_INITIALIZEONLY))));
            }
            catch (Exception ex)
            {       
                System.err.println ("*** Further hints on X3DJSAIL errors and exceptions at");
                System.err.println ("*** https://www.web3d.org/specifications/java/X3DJSAIL.html");
                throw (ex);
            }
	}
	// end of initialize() method

	/** The initialized model object, created within initialize() method. */
	private X3D x3dModel;

	/** 
	 * Provide a 
	 * <a href="https://dzone.com/articles/java-copy-shallow-vs-deep-in-which-you-will-swim" target="_blank">shallow copy</a>
	 * of the X3D model.
	 * @see <a href="https://www.web3d.org/specifications/java/javadoc/org/web3d/x3d/jsail/Core/X3D.html">X3D</a>
	 * @return FollowerExternalPrototypeDeclarations model
	 */
	public X3D getX3dModel()
	{	  
		return x3dModel;
	}
	   
    /** 
     * Default main() method provided for test purposes, uses CommandLine to set global ConfigurationProperties for this object.
     * @param args array of input parameters, provided as arguments
     * @see <a href="https://www.web3d.org/specifications/java/javadoc/org/web3d/x3d/jsail/Core/X3D.html#handleArguments-java.lang.String:A-">X3D.handleArguments(args)</a>
     * @see <a href="https://www.web3d.org/specifications/java/javadoc/org/web3d/x3d/jsail/Core/X3D.html#validationReport--">X3D.validationReport()</a>
     * @see <a href="https://www.web3d.org/specifications/java/javadoc/org/web3d/x3d/jsail/CommandLine.html">CommandLine</a>
     * @see <a href="https://www.web3d.org/specifications/java/javadoc/org/web3d/x3d/jsail/CommandLine.html#USAGE">CommandLine.USAGE</a>
     * @see <a href="https://www.web3d.org/specifications/java/javadoc/org/web3d/x3d/jsail/ConfigurationProperties.html">ConfigurationProperties</a>
     */
    public static void main(String args[])
    {
        System.out.println("Build this X3D model, showing validation diagnostics...");
        X3D thisExampleX3dModel = new FollowerExternalPrototypeDeclarations().getX3dModel();
//      System.out.println("X3D model construction complete.");
	
        // next handle command line arguments
        boolean hasArguments = (args != null) && (args.length > 0);
        boolean validate = true; // default
        boolean argumentsLoadNewModel = false;
        String  fileName = new String();

        if (args != null)
        {
                for (String arg : args)
                {
                        if (arg.toLowerCase().startsWith("-v") || arg.toLowerCase().contains("validate"))
                        {
                                validate = true; // making sure
                        }
                        if (arg.toLowerCase().endsWith(X3D.FILE_EXTENSION_X3D) ||
                                arg.toLowerCase().endsWith(X3D.FILE_EXTENSION_CLASSICVRML) ||
                                arg.toLowerCase().endsWith(X3D.FILE_EXTENSION_X3DB) ||
                                arg.toLowerCase().endsWith(X3D.FILE_EXTENSION_VRML97) ||
                                arg.toLowerCase().endsWith(X3D.FILE_EXTENSION_EXI) ||
                                arg.toLowerCase().endsWith(X3D.FILE_EXTENSION_GZIP) ||
                                arg.toLowerCase().endsWith(X3D.FILE_EXTENSION_ZIP) ||
                                arg.toLowerCase().endsWith(X3D.FILE_EXTENSION_HTML) ||
                                arg.toLowerCase().endsWith(X3D.FILE_EXTENSION_XHTML))
                        {
                                argumentsLoadNewModel = true;
                                fileName = arg;
                        }
                }
        }
        if      (argumentsLoadNewModel)
                System.out.println("WARNING: \"Basic.Followers.FollowerExternalPrototypeDeclarations\" model invocation is attempting to load file \"" + fileName + "\" instead of simply validating itself... file loading ignored.");
        else if (hasArguments) // if no arguments provided, this method produces usage warning
                thisExampleX3dModel.handleArguments(args);
	
        if (validate)
        {
            //  System.out.println("--- TODO fix duplicated outputs ---"); // omit when duplicated outputs problem is solved/refactored
		String validationResults = thisExampleX3dModel.validationReport();
            //  System.out.println("-----------------------------------"); // omit when duplicated outputs problem is solved/refactored
                System.out.print("Basic.Followers.FollowerExternalPrototypeDeclarations self-validation test confirmation: ");
                if (!validationResults.equals("success"))
                    System.out.println();
                System.out.println(validationResults.trim());

                // experimental: test X3DJSAIL output files
                // Followers/FollowerExternalPrototypeDeclarations_JavaExport.* file validation is checked when building X3D Example Archives
                String filenameX3D  = "Followers/FollowerExternalPrototypeDeclarations_JavaExport.x3d"; 
                String filenameX3DV = "Followers/FollowerExternalPrototypeDeclarations_JavaExport.x3dv"; 
                String filenameJSON = "Followers/FollowerExternalPrototypeDeclarations_JavaExport.json";
                thisExampleX3dModel.toFileX3D        (filenameX3D);
                thisExampleX3dModel.toFileClassicVRML(filenameX3DV);
// TODO         thisExampleX3dModel.toFileJSON       (filenameJSON);
        }
    }
}