<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">package X3dForWebAuthors.Chapter04ViewingNavigation;

import org.web3d.x3d.jsail.Core.*;
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.Networking.*;
import org.web3d.x3d.jsail.Shape.*;
import org.web3d.x3d.jsail.Text.*;

// Javadoc metadata annotations follow, see below for X3DJSAIL Java source code.
/**
 * &lt;p&gt; Anchor-node examples comparing HTML page launch, shifting Viewpoints, and loading another X3D scene. &lt;/p&gt;
 &lt;p&gt; Related links: Catalog page &lt;a href="../../../Chapter04ViewingNavigation/AnchorComparisonIndex.html" target="_blank"&gt;AnchorComparison&lt;/a&gt;,  source &lt;a href="../../../Chapter04ViewingNavigation/AnchorComparison.java"&gt;AnchorComparison.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="../../../Chapter04ViewingNavigation/AnchorComparison.x3d"&gt;AnchorComparison.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; Anchor-node examples comparing HTML page launch, shifting Viewpoints, and loading another X3D scene. &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; Leonard Daly and 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; 21 April 2011 &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; Image &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; &lt;a href="../../../Chapter04ViewingNavigation/AnchorComparisonFrontViewpoint.png"&gt;AnchorComparisonFrontViewpoint.png&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; Image &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; &lt;a href="../../../Chapter04ViewingNavigation/AnchorComparisonObliqueViewpoint.png"&gt;AnchorComparisonObliqueViewpoint.png&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; Show Anchor link to Monterey Bay Aquarium web site for Kelp Forest exhibit &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.mbayaq.org/efc/kelp.asp" target="_blank"&gt;http://www.mbayaq.org/efc/kelp.asp&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; rights &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; Copyright (c) 2005, Daly Realism and 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; subject &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; X3D book, X3D graphics, X3D-Edit, &lt;a href="http://www.x3dGraphics.com" target="_blank"&gt;http://www.x3dGraphics.com&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/X3dForWebAuthors/Chapter04ViewingNavigation/AnchorComparison.x3d" target="_blank"&gt;https://www.web3d.org/x3d/content/examples/X3dForWebAuthors/Chapter04ViewingNavigation/AnchorComparison.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; X3D-Edit 3.3, &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="../../../Chapter04ViewingNavigation/../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 Leonard Daly and Don Brutzman
 */

public class AnchorComparison
{
	/** Default constructor to create this object. */
	public AnchorComparison ()
	{
	  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("AnchorComparison.x3d"))
    .addMeta(new meta().setName(meta.NAME_DESCRIPTION).setContent("Anchor-node examples comparing HTML page launch, shifting Viewpoints, and loading another X3D scene."))
    .addMeta(new meta().setName(meta.NAME_CREATOR    ).setContent("Leonard Daly and Don Brutzman"))
    .addMeta(new meta().setName(meta.NAME_CREATED    ).setContent("21 April 2011"))
    .addMeta(new meta().setName(meta.NAME_MODIFIED   ).setContent("20 October 2019"))
    .addMeta(new meta().setName(meta.NAME_IMAGE      ).setContent("AnchorComparisonFrontViewpoint.png"))
    .addMeta(new meta().setName(meta.NAME_IMAGE      ).setContent("AnchorComparisonObliqueViewpoint.png"))
    .addMeta(new meta().setName(meta.NAME_REFERENCE  ).setContent("Show Anchor link to Monterey Bay Aquarium web site for Kelp Forest exhibit"))
    .addMeta(new meta().setName(meta.NAME_REFERENCE  ).setContent("http://www.mbayaq.org/efc/kelp.asp"))
    .addMeta(new meta().setName(meta.NAME_REFERENCE  ).setContent("https://www.web3d.org/x3d/content/examples/X3dResources.html"))
    .addMeta(new meta().setName(meta.NAME_RIGHTS     ).setContent("Copyright (c) 2005, Daly Realism and Don Brutzman"))
    .addMeta(new meta().setName(meta.NAME_SUBJECT    ).setContent("X3D book, X3D graphics, X3D-Edit, http://www.x3dGraphics.com"))
    .addMeta(new meta().setName(meta.NAME_IDENTIFIER ).setContent("https://www.web3d.org/x3d/content/examples/X3dForWebAuthors/Chapter04ViewingNavigation/AnchorComparison.x3d"))
    .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")))
  .setScene(new Scene()
    .addChild(new WorldInfo().setTitle("AnchorComparison.x3d"))
    .addChild(new Viewpoint("FrontView").setDescription("Front view Anchor text").setPosition(0.0,0.0,8.0))
    .addChild(new Viewpoint("AngledView").setDescription("Side view Anchor text").setOrientation(0.0,1.0,0.0,0.7854).setPosition(6.0,0.0,6.0))
    .addChild(new Transform().setTranslation(0.0,2.0,0.0)
      .addComments(" First Anchor loads a web page ")
      .addChild(new Anchor("AnchorExample").setDescription("Aquarium Exhibit Web Site").setParameter(new String[] {"target=_blank"}).setUrl(new String[] {"http://www.montereybayaquarium.org/efc/kelp.asp"})
        .addChild(new Shape()
          .setGeometry(new Text().setString(new String[] {"Click orange text to launch","Monterey Bay Aquarium","kelp forest HTML page"})
            .setFontStyle(new FontStyle("LocalFontStyle").setJustify(FontStyle.JUSTIFY_MIDDLE_MIDDLE).setSize(0.6)))
          .setAppearance(new Appearance()
            .setMaterial(new Material("Autumn11").setAmbientIntensity(0.25641).setDiffuseColor(0.795918,0.273554,0.006861).setShininess(1).setSpecularColor(0.48655,0.319155,0.444036)
              .addComments(" Universal Media Library: Autumn 11 "))))
        .addComments(" Add transparent geometry over the text to make clicking (i.e. Anchor selection) easier ")
        .addChild(new Shape("TransparentBoxForEasierUserSelection")
          .setGeometry(new Box().setSize(6.0,2.0,0.02))
          .setAppearance(new Appearance()
            .setMaterial(new Material().setTransparency(1))))))
    .addComments(" Second Anchor brings user to a different viewpoint ")
    .addChild(new Transform().setTranslation(0.0,-0.25,0.0)
      .addChild(new Anchor().setDescription("Move view to diagonal Viewpoint").setUrl(new String[] {"#AngledView"})
        .addChild(new Shape("AnchorMessage2")
          .setGeometry(new Text().setString(new String[] {"Click yellow text to move","to a diagonal Viewpoint"})
            .setFontStyle(new FontStyle().setUSE("LocalFontStyle")))
          .setAppearance(new Appearance()
            .setMaterial(new Material().setAmbientIntensity(0.25641).setDiffuseColor(0.222308,0.15428,0.0).setShininess(0.02).setSpecularColor(0.678571,0.661796,0.528818)
              .addComments(" Universal Media Library: Metals 16 "))))
        .addChild(new Shape().setUSE("TransparentBoxForEasierUserSelection"))))
    .addComments(" Third Anchor Launches Kelp Forest scene ")
    .addChild(new Transform().setTranslation(0.0,-2.0,0.0)
      .addChild(new Anchor().setUrl(new String[] {"../Chapter03Grouping/CoordinateAxes.x3d","https://www.web3d.org/x3d/content/examples/X3dForWebAuthors/Chapter03Grouping/CoordinateAxes.x3d","../Chapter03Grouping/CoordinateAxes.wrl","https://www.web3d.org/x3d/content/examples/X3dForWebAuthors/Chapter03Grouping/CoordinateAxes.wrl"})
        .addChild(new Shape("AnchorMessage3")
          .setGeometry(new Text().setString(new String[] {"Click green text to load X3D","CoordinateAxes.x3d scene"})
            .setFontStyle(new FontStyle().setUSE("LocalFontStyle")))
          .setAppearance(new Appearance()
            .setMaterial(new Material().setAmbientIntensity(0.25).setDiffuseColor(0.315389,0.544,0.258052).setShininess(0.5).setSpecularColor(0.456,0.456,0.456)
              .addComments(" Universal Media Library: Autumn 28 "))))
        .addChild(new Shape().setUSE("TransparentBoxForEasierUserSelection")))));
            }
            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 AnchorComparison 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 AnchorComparison().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: \"X3dForWebAuthors.Chapter04ViewingNavigation.AnchorComparison\" 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("X3dForWebAuthors.Chapter04ViewingNavigation.AnchorComparison self-validation test confirmation: ");
                if (!validationResults.equals("success"))
                    System.out.println();
                System.out.println(validationResults.trim());

                // experimental: test X3DJSAIL output files
                // Chapter04ViewingNavigation/AnchorComparison_JavaExport.* file validation is checked when building X3D Example Archives
                String filenameX3D  = "Chapter04ViewingNavigation/AnchorComparison_JavaExport.x3d"; 
                String filenameX3DV = "Chapter04ViewingNavigation/AnchorComparison_JavaExport.x3dv"; 
                String filenameJSON = "Chapter04ViewingNavigation/AnchorComparison_JavaExport.json";
                thisExampleX3dModel.toFileX3D        (filenameX3D);
                thisExampleX3dModel.toFileClassicVRML(filenameX3DV);
// TODO         thisExampleX3dModel.toFileJSON       (filenameJSON);
        }
    }
}
</pre></body></html>