<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">package Vrml2Sourcebook.Siggraph98Course;

import org.web3d.x3d.jsail.Core.*;
import org.web3d.x3d.jsail.EnvironmentalEffects.*;
import org.web3d.x3d.jsail.fields.*;
import org.web3d.x3d.jsail.Geometry3D.*;
import org.web3d.x3d.jsail.Grouping.*;
import org.web3d.x3d.jsail.Navigation.*;
import org.web3d.x3d.jsail.Shape.*;

// Javadoc metadata annotations follow, see below for X3DJSAIL Java source code.
/**
 * &lt;p&gt; Robot generator prototype to create multiple new nodes. For this example, we create a new "Robot" node type that has three fields, one each for setting the l color (robot body), its eye color, and its rod color (gadgets on the body). Those three fields are used within the body of the Prototype where the robot form is constructed. Each time a Prototype field (l, eye, and rod colors) is used within the Prototype body, use the "IS" syntax to say: "this field within the Prototype body IS equal to the argument in the Prototype interface.". &lt;/p&gt;
 &lt;p&gt; Related links: Catalog page &lt;a href="../../../Siggraph98Course/RobotsIndex.html" target="_blank"&gt;Robots&lt;/a&gt;,  source &lt;a href="../../../Siggraph98Course/Robots.java"&gt;Robots.java&lt;/a&gt;, &lt;a href="https://www.web3d.org/x3d/content/examples/X3dResources.html" target="_blank"&gt;X3D Resources&lt;/a&gt;, &lt;a href="https://www.web3d.org/x3d/content/examples/X3dSceneAuthoringHints.html" target="_blank"&gt;X3D Scene Authoring Hints&lt;/a&gt;, and &lt;a href="https://www.web3d.org/x3d/content/X3dTooltips.html" target="_blank"&gt;X3D Tooltips&lt;/a&gt;. &lt;/p&gt;
	&lt;table style="color:black; border:0px solid; border-spacing:10px 0px;"&gt;
        &lt;caption&gt;Scene Meta Information&lt;/caption&gt;
		&lt;tr style="background-color:silver; border-color:silver;"&gt;
			&lt;td style="text-align:center; padding:10px 0px;"&gt;&lt;i&gt;meta tags&lt;/i&gt;&lt;/td&gt;
			&lt;td style="text-align:left;   padding:10px 0px;"&gt;&amp;nbsp; Document Metadata &lt;/td&gt;
		&lt;/tr&gt;

		&lt;tr&gt;
			&lt;td style="text-align:right; vertical-align: text-top;"&gt; &lt;i&gt; title &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; &lt;a href="../../../Siggraph98Course/Robots.x3d"&gt;Robots.x3d&lt;/a&gt; &lt;/td&gt;
		&lt;/tr&gt;
		&lt;tr&gt;
			&lt;td style="text-align:right; vertical-align: text-top;"&gt; &lt;i&gt; description &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; Robot generator prototype to create multiple new nodes. For this example, we create a new "Robot" node type that has three fields, one each for setting the l color (robot body), its eye color, and its rod color (gadgets on the body). Those three fields are used within the body of the Prototype where the robot form is constructed. Each time a Prototype field (l, eye, and rod colors) is used within the Prototype body, use the "IS" syntax to say: "this field within the Prototype body IS equal to the argument in the Prototype interface." &lt;/td&gt;
		&lt;/tr&gt;
		&lt;tr&gt;
			&lt;td style="text-align:right; vertical-align: text-top;"&gt; &lt;i&gt; creator &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; David R. Nadeau &lt;/td&gt;
		&lt;/tr&gt;
		&lt;tr&gt;
			&lt;td style="text-align:right; vertical-align: text-top;"&gt; &lt;i&gt; translator &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; Don Brutzman &lt;/td&gt;
		&lt;/tr&gt;
		&lt;tr&gt;
			&lt;td style="text-align:right; vertical-align: text-top;"&gt; &lt;i&gt; created &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; 1 July 1998 &lt;/td&gt;
		&lt;/tr&gt;
		&lt;tr&gt;
			&lt;td style="text-align:right; vertical-align: text-top;"&gt; &lt;i&gt; translated &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; 2 February 2014 &lt;/td&gt;
		&lt;/tr&gt;
		&lt;tr&gt;
			&lt;td style="text-align:right; vertical-align: text-top;"&gt; &lt;i&gt; modified &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; 20 October 2019 &lt;/td&gt;
		&lt;/tr&gt;
		&lt;tr&gt;
			&lt;td style="text-align:right; vertical-align: text-top;"&gt; &lt;i&gt; reference &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; &lt;a href="../../../Siggraph98Course/RoboBill.x3d"&gt;RoboBill.x3d&lt;/a&gt; &lt;/td&gt;
		&lt;/tr&gt;
		&lt;tr&gt;
			&lt;td style="text-align:right; vertical-align: text-top;"&gt; &lt;i&gt; reference &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; originals/robot.wrl &lt;/td&gt;
		&lt;/tr&gt;
		&lt;tr&gt;
			&lt;td style="text-align:right; vertical-align: text-top;"&gt; &lt;i&gt; reference &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; &lt;a href="http://www.siggraph.org/s98" target="_blank"&gt;http://www.siggraph.org/s98&lt;/a&gt; &lt;/td&gt;
		&lt;/tr&gt;
		&lt;tr&gt;
			&lt;td style="text-align:right; vertical-align: text-top;"&gt; &lt;i&gt; reference &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; &lt;a href="http://www.siggraph.org/s98/conference/courses/18.html" target="_blank"&gt;http://www.siggraph.org/s98/conference/courses/18.html&lt;/a&gt; &lt;/td&gt;
		&lt;/tr&gt;
		&lt;tr&gt;
			&lt;td style="text-align:right; vertical-align: text-top;"&gt; &lt;i&gt; reference &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; &lt;a href="http://www.sdsc.edu/~moreland/courses/Siggraph98/vrml97/slides/mt0479.htm" target="_blank"&gt;http://www.sdsc.edu/~moreland/courses/Siggraph98/vrml97/slides/mt0479.htm&lt;/a&gt; &lt;/td&gt;
		&lt;/tr&gt;
		&lt;tr&gt;
			&lt;td style="text-align:right; vertical-align: text-top;"&gt; &lt;i&gt; reference &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; &lt;a href="http://www.sdsc.edu/~moreland/courses/Siggraph98/vrml97/vrml97.htm" target="_blank"&gt;http://www.sdsc.edu/~moreland/courses/Siggraph98/vrml97/vrml97.htm&lt;/a&gt; &lt;/td&gt;
		&lt;/tr&gt;
		&lt;tr&gt;
			&lt;td style="text-align:right; vertical-align: text-top;"&gt; &lt;i&gt; reference &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; &lt;a href="https://www.web3d.org/x3d/content/examples/X3dResources.html" target="_blank"&gt;https://www.web3d.org/x3d/content/examples/X3dResources.html&lt;/a&gt; &lt;/td&gt;
		&lt;/tr&gt;
		&lt;tr&gt;
			&lt;td style="text-align:right; vertical-align: text-top;"&gt; &lt;i&gt; identifier &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; &lt;a href="https://www.web3d.org/x3d/content/examples/Vrml2Sourcebook/Siggraph98Course/Robots.x3d" target="_blank"&gt;https://www.web3d.org/x3d/content/examples/Vrml2Sourcebook/Siggraph98Course/Robots.x3d&lt;/a&gt; &lt;/td&gt;
		&lt;/tr&gt;
		&lt;tr&gt;
			&lt;td style="text-align:right; vertical-align: text-top;"&gt; &lt;i&gt; generator &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; Vrml97ToX3dNist, &lt;a href="http://ovrt.nist.gov/v2_x3d.html" target="_blank"&gt;http://ovrt.nist.gov/v2_x3d.html&lt;/a&gt; &lt;/td&gt;
		&lt;/tr&gt;
		&lt;tr&gt;
			&lt;td style="text-align:right; vertical-align: text-top;"&gt; &lt;i&gt; generator &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; X3D-Edit, &lt;a href="https://savage.nps.edu/X3D-Edit" target="_blank"&gt;https://savage.nps.edu/X3D-Edit&lt;/a&gt; &lt;/td&gt;
		&lt;/tr&gt;
		&lt;tr&gt;
			&lt;td style="text-align:right; vertical-align: text-top;"&gt; &lt;i&gt; license &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; &lt;a href="../../../Siggraph98Course/../license.html"&gt;../license.html&lt;/a&gt; &lt;/td&gt;
		&lt;/tr&gt;
		&lt;tr style="background-color:silver; border-color:silver;"&gt;
			&lt;td style="text-align:center;" colspan="2"&gt;  &amp;nbsp; &lt;/td&gt;
		&lt;/tr&gt;
	&lt;/table&gt;

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

	* @author David R. Nadeau
 */

public class Robots
{
	/** Default constructor to create this object. */
	public Robots ()
	{
	  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_3)
  .setHead(new head()
    .addMeta(new meta().setName(meta.NAME_TITLE      ).setContent("Robots.x3d"))
    .addMeta(new meta().setName(meta.NAME_DESCRIPTION).setContent("Robot generator prototype to create multiple new nodes. For this example, we create a new \"Robot\" node type that has three fields, one each for setting the l color (robot body), its eye color, and its rod color (gadgets on the body). Those three fields are used within the body of the Prototype where the robot form is constructed. Each time a Prototype field (l, eye, and rod colors) is used within the Prototype body, use the \"IS\" syntax to say: \"this field within the Prototype body IS equal to the argument in the Prototype interface.\""))
    .addMeta(new meta().setName(meta.NAME_CREATOR    ).setContent("David R. Nadeau"))
    .addMeta(new meta().setName(meta.NAME_TRANSLATOR ).setContent("Don Brutzman"))
    .addMeta(new meta().setName(meta.NAME_CREATED    ).setContent("1 July 1998"))
    .addMeta(new meta().setName(meta.NAME_TRANSLATED ).setContent("2 February 2014"))
    .addMeta(new meta().setName(meta.NAME_MODIFIED   ).setContent("20 October 2019"))
    .addMeta(new meta().setName(meta.NAME_REFERENCE  ).setContent("RoboBill.x3d"))
    .addMeta(new meta().setName(meta.NAME_REFERENCE  ).setContent("originals/robot.wrl"))
    .addMeta(new meta().setName(meta.NAME_REFERENCE  ).setContent("http://www.siggraph.org/s98"))
    .addMeta(new meta().setName(meta.NAME_REFERENCE  ).setContent("http://www.siggraph.org/s98/conference/courses/18.html"))
    .addMeta(new meta().setName(meta.NAME_REFERENCE  ).setContent("http://www.sdsc.edu/~moreland/courses/Siggraph98/vrml97/slides/mt0479.htm"))
    .addMeta(new meta().setName(meta.NAME_REFERENCE  ).setContent("http://www.sdsc.edu/~moreland/courses/Siggraph98/vrml97/vrml97.htm"))
    .addMeta(new meta().setName(meta.NAME_REFERENCE  ).setContent("https://www.web3d.org/x3d/content/examples/X3dResources.html"))
    .addMeta(new meta().setName(meta.NAME_IDENTIFIER ).setContent("https://www.web3d.org/x3d/content/examples/Vrml2Sourcebook/Siggraph98Course/Robots.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, https://savage.nps.edu/X3D-Edit"))
    .addMeta(new meta().setName(meta.NAME_LICENSE    ).setContent("../license.html")))
  .setScene(new Scene()
    .addChild(new WorldInfo().setInfo(new String[] {"Copyright (c) 1998, David R. Nadeau"}).setTitle("Robot Generator"))
    .addChild(new Viewpoint().setDescription("Entry view").setOrientation(1.0,0.0,0.0,-0.34).setPosition(0.0,3.6,6.8))
    .addChild(new NavigationInfo())
    .addChild(new Background().setSkyAngle(new double[] {1.77,1.87,1.97}).setSkyColor(new MFColor(new double[] {0.0,0.0,0.0,0.0,0.0,0.0,0.4,0.0,0.0,0.6,0.0,0.0})))
    .addChild(new ProtoDeclare("Robot").setName("Robot")
      .setProtoInterface(new ProtoInterface()
        .addField(new field().setName("rodColor").setType(field.TYPE_SFCOLOR).setAccessType(field.ACCESSTYPE_INITIALIZEONLY).setValue(new SFColor(1.0,1.0,0.0)))
        .addField(new field().setName("eyeColor").setType(field.TYPE_SFCOLOR).setAccessType(field.ACCESSTYPE_INITIALIZEONLY).setValue(new SFColor(0.6,0.0,0.0)))
        .addField(new field().setName("lColor").setType(field.TYPE_SFCOLOR).setAccessType(field.ACCESSTYPE_INITIALIZEONLY).setValue(new SFColor(0.6,0.6,0.8))))
      .setProtoBody(new ProtoBody()
        .addChild(new Group()
          .addChild(new Shape()
            .setAppearance(new Appearance("RobotColor")
              .setMaterial(new Material()
                .setIS(new IS()
                  .addConnect(new connect().setNodeField("diffuseColor").setProtoField("lColor")))))
            .setGeometry(new Sphere().setRadius(0.5)))
          .addChild(new Transform("Rod").setRotation(0.0,0.0,1.0,-0.785).setTranslation(0.4,0.6,0.0)
            .addChild(new Shape()
              .setAppearance(new Appearance("RobotGlow")
                .setMaterial(new Material().setDiffuseColor(0.0,0.0,0.0)
                  .setIS(new IS()
                    .addConnect(new connect().setNodeField("emissiveColor").setProtoField("rodColor")))))
              .setGeometry(new Cylinder().setHeight(0.65).setRadius(0.04))))
          .addChild(new Transform().setRotation(0.0,1.0,0.0,1.57)
            .addChild(new Transform().setUSE("Rod")))
          .addChild(new Transform().setRotation(0.0,1.0,0.0,3.14)
            .addChild(new Transform().setUSE("Rod")))
          .addChild(new Transform().setRotation(0.0,1.0,0.0,-1.57)
            .addChild(new Transform().setUSE("Rod")))
          .addChild(new Transform().setTranslation(0.0,0.85,0.0)
            .addChild(new Shape()
              .setAppearance(new Appearance().setUSE("RobotColor"))
              .setGeometry(new Cylinder().setHeight(0.1).setRadius(0.8))))
          .addChild(new Transform().setTranslation(0.0,0.95,0.0)
            .addChild(new Shape()
              .setAppearance(new Appearance().setUSE("RobotColor"))
              .setGeometry(new Cylinder().setHeight(0.1).setRadius(0.2))))
          .addChild(new Billboard()
            .addChild(new Transform().setTranslation(0.0,1.4,0.0)
              .addChild(new Shape()
                .setAppearance(new Appearance().setUSE("RobotColor"))
                .setGeometry(new Sphere().setRadius(0.5)))
              .addChild(new Transform().setTranslation(0.0,0.25,0.35)
                .addChild(new Shape()
                  .setAppearance(new Appearance()
                    .setMaterial(new Material().setDiffuseColor(0.2,0.2,0.2)))
                  .setGeometry(new Box().setSize(0.6,0.05,0.2))))
              .addChild(new Transform().setTranslation(0.1,0.15,0.38)
                .addChild(new Shape("Eye")
                  .setAppearance(new Appearance()
                    .setMaterial(new Material().setDiffuseColor(0.0,0.0,0.0)
                      .setIS(new IS()
                        .addConnect(new connect().setNodeField("emissiveColor").setProtoField("eyeColor")))))
                  .setGeometry(new Sphere().setRadius(0.09))))
              .addChild(new Transform().setTranslation(-0.1,0.15,0.38)
                .addChild(new Shape().setUSE("Eye")))
              .addChild(new Transform().setTranslation(0.85,0.1,0.0)
                .addChild(new Transform().setRotation(0.0,0.0,1.0,1.57).setTranslation(-0.2,0.0,0.0)
                  .addChild(new Shape("AntenaeBar")
                    .setAppearance(new Appearance().setUSE("RobotColor"))
                    .setGeometry(new Cylinder().setHeight(0.4).setRadius(0.04))))
                .addChild(new Shape()
                  .setAppearance(new Appearance().setUSE("RobotColor"))
                  .setGeometry(new Sphere().setRadius(0.09)))
                .addChild(new Transform().setTranslation(0.0,0.58,0.0)
                  .addChild(new Shape()
                    .setAppearance(new Appearance().setUSE("RobotGlow"))
                    .setGeometry(new Cone().setBottomRadius(0.02).setHeight(1.0)))))
              .addChild(new Transform().setTranslation(-0.85,0.1,0.0)
                .addChild(new Transform().setRotation(0.0,0.0,1.0,-1.57).setTranslation(0.2,0.0,0.0)
                  .addChild(new Shape().setUSE("AntenaeBar")))
                .addChild(new Transform().setRotation(0.0,0.0,1.0,0.785)
                  .addChild(new Shape()
                    .setAppearance(new Appearance().setUSE("RobotColor"))
                    .setGeometry(new Box().setSize(0.2,0.2,0.2)))
                  .addChild(new Transform().setTranslation(0.0,0.58,0.0)
                    .addChild(new Shape()
                      .setAppearance(new Appearance().setUSE("RobotGlow"))
                      .setGeometry(new Box().setSize(0.02,1.0,0.02))))
                  .addChild(new Transform().setTranslation(0.0,0.95,0.0)
                    .addChild(new Shape()
                      .setAppearance(new Appearance().setUSE("RobotGlow"))
                      .setGeometry(new Box().setSize(0.2,0.02,0.02))))
                  .addChild(new Transform().setTranslation(0.0,0.85,0.0)
                    .addChild(new Shape()
                      .setAppearance(new Appearance().setUSE("RobotGlow"))
                      .setGeometry(new Box().setSize(0.4,0.02,0.02)))))))))))
    .addChild(new ProtoInstance("Robot").setContainerField("children")
      .addFieldValue(new fieldValue().setName("eyeColor").setValue(new SFColor(1.0,0.0,0.0)))
      .addFieldValue(new fieldValue().setName("rodColor").setValue(new SFColor(1.0,1.0,0.0)))
      .addFieldValue(new fieldValue().setName("lColor").setValue(new SFColor(0.6,0.6,0.8))))
    .addChild(new Transform().setTranslation(-2.0,0.0,0.0)
      .addChild(new ProtoInstance("Robot").setContainerField("children")
        .addFieldValue(new fieldValue().setName("eyeColor").setValue(new SFColor(0.0,1.0,0.0)))
        .addFieldValue(new fieldValue().setName("rodColor").setValue(new SFColor(1.0,0.5,0.0)))
        .addFieldValue(new fieldValue().setName("lColor").setValue(new SFColor(0.6,0.5,0.3)))))
    .addChild(new Transform().setTranslation(2.0,0.0,0.0)
      .addChild(new ProtoInstance("Robot").setContainerField("children")
        .addFieldValue(new fieldValue().setName("eyeColor").setValue(new SFColor(0.0,0.8,1.0)))
        .addFieldValue(new fieldValue().setName("rodColor").setValue(new SFColor(0.0,0.8,1.0)))
        .addFieldValue(new fieldValue().setName("lColor").setValue(new SFColor(0.6,0.3,0.8)))))
    .addChild(new Transform().setTranslation(4.5,0.0,-3.0)
      .addChild(new ProtoInstance("Robot").setContainerField("children")
        .addFieldValue(new fieldValue().setName("eyeColor").setValue(new SFColor(0.0,0.0,0.0)))
        .addFieldValue(new fieldValue().setName("rodColor").setValue(new SFColor(1.0,0.0,0.5)))
        .addFieldValue(new fieldValue().setName("lColor").setValue(new SFColor(0.0,0.4,0.9)))))
    .addChild(new Transform().setTranslation(1.5,0.0,-3.0)
      .addChild(new ProtoInstance("Robot").setContainerField("children")
        .addFieldValue(new fieldValue().setName("eyeColor").setValue(new SFColor(0.0,1.0,0.0)))
        .addFieldValue(new fieldValue().setName("rodColor").setValue(new SFColor(1.0,1.0,0.0)))
        .addFieldValue(new fieldValue().setName("lColor").setValue(new SFColor(0.6,0.6,0.5)))))
    .addChild(new Transform().setTranslation(-1.5,0.0,-3.0)
      .addChild(new ProtoInstance("Robot").setContainerField("children")
        .addFieldValue(new fieldValue().setName("eyeColor").setValue(new SFColor(1.0,1.0,0.0)))
        .addFieldValue(new fieldValue().setName("rodColor").setValue(new SFColor(1.0,0.0,1.0)))
        .addFieldValue(new fieldValue().setName("lColor").setValue(new SFColor(1.0,0.5,0.5)))))
    .addChild(new Transform().setTranslation(-4.5,0.0,-3.0)
      .addChild(new ProtoInstance("Robot").setContainerField("children")
        .addFieldValue(new fieldValue().setName("eyeColor").setValue(new SFColor(1.0,0.0,0.0)))
        .addFieldValue(new fieldValue().setName("rodColor").setValue(new SFColor(0.5,0.0,1.0)))
        .addFieldValue(new fieldValue().setName("lColor").setValue(new SFColor(0.0,0.5,1.0))))));
            }
            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 
	 * &lt;a href="https://dzone.com/articles/java-copy-shallow-vs-deep-in-which-you-will-swim" target="_blank"&gt;shallow copy&lt;/a&gt;
	 * of the X3D model.
	 * @see &lt;a href="https://www.web3d.org/specifications/java/javadoc/org/web3d/x3d/jsail/Core/X3D.html"&gt;X3D&lt;/a&gt;
	 * @return Robots 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 &lt;a href="https://www.web3d.org/specifications/java/javadoc/org/web3d/x3d/jsail/Core/X3D.html#handleArguments-java.lang.String:A-"&gt;X3D.handleArguments(args)&lt;/a&gt;
     * @see &lt;a href="https://www.web3d.org/specifications/java/javadoc/org/web3d/x3d/jsail/Core/X3D.html#validationReport--"&gt;X3D.validationReport()&lt;/a&gt;
     * @see &lt;a href="https://www.web3d.org/specifications/java/javadoc/org/web3d/x3d/jsail/CommandLine.html"&gt;CommandLine&lt;/a&gt;
     * @see &lt;a href="https://www.web3d.org/specifications/java/javadoc/org/web3d/x3d/jsail/CommandLine.html#USAGE"&gt;CommandLine.USAGE&lt;/a&gt;
     * @see &lt;a href="https://www.web3d.org/specifications/java/javadoc/org/web3d/x3d/jsail/ConfigurationProperties.html"&gt;ConfigurationProperties&lt;/a&gt;
     */
    public static void main(String args[])
    {
        System.out.println("Build this X3D model, showing validation diagnostics...");
        X3D thisExampleX3dModel = new Robots().getX3dModel();
//      System.out.println("X3D model construction complete.");
	
        // next handle command line arguments
        boolean hasArguments = (args != null) &amp;&amp; (args.length &gt; 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: \"Vrml2Sourcebook.Siggraph98Course.Robots\" 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("Vrml2Sourcebook.Siggraph98Course.Robots self-validation test confirmation: ");
                if (!validationResults.equals("success"))
                    System.out.println();
                System.out.println(validationResults.trim());

                // experimental: test X3DJSAIL output files
                // Siggraph98Course/Robots_JavaExport.* file validation is checked when building X3D Example Archives
                String filenameX3D  = "Siggraph98Course/Robots_JavaExport.x3d"; 
                String filenameX3DV = "Siggraph98Course/Robots_JavaExport.x3dv"; 
                String filenameJSON = "Siggraph98Course/Robots_JavaExport.json";
                thisExampleX3dModel.toFileX3D        (filenameX3D);
                thisExampleX3dModel.toFileClassicVRML(filenameX3DV);
// TODO         thisExampleX3dModel.toFileJSON       (filenameJSON);
        }
    }
}
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