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

import org.web3d.x3d.jsail.Core.*;
import org.web3d.x3d.jsail.fields.*;
import org.web3d.x3d.jsail.Geometry3D.*;
import org.web3d.x3d.jsail.Rendering.*;
import org.web3d.x3d.jsail.Shape.*;

// Javadoc metadata annotations follow, see below for X3DJSAIL Java source code.
/**
 * &lt;p&gt; Checkerboard grid background for X3D/VRML materials selection. &lt;/p&gt;
 &lt;p&gt; Related links: Catalog page &lt;a href="../../../UniversalMediaMaterials/gridBackIndex.html" target="_blank"&gt;gridBack&lt;/a&gt;,  source &lt;a href="../../../UniversalMediaMaterials/gridBack.java"&gt;gridBack.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="../../../UniversalMediaMaterials/gridBack.x3d"&gt;gridBack.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; Checkerboard grid background for X3D/VRML materials selection. &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 Roussel &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; James Harney, Don Brutzman NPS &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; 8 April 2002 &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="http://vrmlstuff.free.fr/materials" target="_blank"&gt;http://vrmlstuff.free.fr/materials&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; subject &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; Universal Media Material Library &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/Basic/UniversalMediaMaterials/gridBack.x3d" target="_blank"&gt;https://www.web3d.org/x3d/content/examples/Basic/UniversalMediaMaterials/gridBack.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; license &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; &lt;a href="../../../UniversalMediaMaterials/../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 Roussel
 */

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

	/** Create and initialize the X3D model for this object. */
	public final void initialize()
	{
            try { // catch-all
  x3dModel = new X3D().setProfile(X3D.PROFILE_INTERCHANGE).setVersion(X3D.VERSION_3_0)
  .setHead(new head()
    .addMeta(new meta().setName(meta.NAME_TITLE      ).setContent("gridBack.x3d"))
    .addMeta(new meta().setName(meta.NAME_DESCRIPTION).setContent("Checkerboard grid background for X3D/VRML materials selection."))
    .addMeta(new meta().setName(meta.NAME_CREATOR    ).setContent("David Roussel"))
    .addMeta(new meta().setName(meta.NAME_TRANSLATOR ).setContent("James Harney, Don Brutzman NPS"))
    .addMeta(new meta().setName(meta.NAME_CREATED    ).setContent("8 April 2002"))
    .addMeta(new meta().setName(meta.NAME_MODIFIED   ).setContent("20 October 2019"))
    .addMeta(new meta().setName(meta.NAME_REFERENCE  ).setContent("http://vrmlstuff.free.fr/materials"))
    .addMeta(new meta().setName(meta.NAME_SUBJECT    ).setContent("Universal Media Material Library"))
    .addMeta(new meta().setName(meta.NAME_IDENTIFIER ).setContent("https://www.web3d.org/x3d/content/examples/Basic/UniversalMediaMaterials/gridBack.x3d"))
    .addMeta(new meta().setName(meta.NAME_GENERATOR  ).setContent("Vrml97ToX3dNist, http://ovrt.nist.gov/v2_x3d.html"))
    .addMeta(new meta().setName(meta.NAME_LICENSE    ).setContent("../license.html")))
  .setScene(new Scene()
    .addChild(new WorldInfo().setTitle("gridBack.x3d"))
    .addChild(new Shape()
      .setAppearance(new Appearance()
        .setMaterial(new Material().setAmbientIntensity(0.01).setDiffuseColor(1.0,1.0,1.0).setShininess(0.05)))
      .setGeometry(new IndexedFaceSet().setColorPerVertex(false).setNormalPerVertex(false).setColorIndex(new int[] {0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0}).setCoordIndex(new int[] {0,8,9,1,-1,1,9,10,2,-1,2,10,11,3,-1,3,11,12,4,-1,4,12,13,5,-1,5,13,14,6,-1,6,14,15,7,-1,8,16,17,9,-1,9,17,18,10,-1,10,18,19,11,-1,11,19,20,12,-1,12,20,21,13,-1,13,21,22,14,-1,14,22,23,15,-1,16,24,25,17,-1,17,25,26,18,-1,18,26,27,19,-1,19,27,28,20,-1,20,28,29,21,-1,21,29,30,22,-1,22,30,31,23,-1,24,32,33,25,-1,25,33,34,26,-1,26,34,35,27,-1,27,35,36,28,-1,28,36,37,29,-1,29,37,38,30,-1,30,38,39,31,-1,32,40,41,33,-1,33,41,42,34,-1,34,42,43,35,-1,35,43,44,36,-1,36,44,45,37,-1,37,45,46,38,-1,38,46,47,39,-1,40,48,49,41,-1,41,49,50,42,-1,42,50,51,43,-1,43,51,52,44,-1,44,52,53,45,-1,45,53,54,46,-1,46,54,55,47,-1,48,56,57,49,-1,49,57,58,50,-1,50,58,59,51,-1,51,59,60,52,-1,52,60,61,53,-1,53,61,62,54,-1,54,62,63,55,-1})
        .setCoord(new Coordinate().setPoint(new MFVec3f(new double[] {-5.25,5.25,0.0,-3.75,5.25,0.0,-2.25,5.25,0.0,-0.75,5.25,0.0,0.75,5.25,0.0,2.25,5.25,0.0,3.75,5.25,0.0,5.25,5.25,0.0,-5.25,3.75,0.0,-3.75,3.75,0.0,-2.25,3.75,0.0,-0.75,3.75,0.0,0.75,3.75,0.0,2.25,3.75,0.0,3.75,3.75,0.0,5.25,3.75,0.0,-5.25,2.25,0.0,-3.75,2.25,0.0,-2.25,2.25,0.0,-0.75,2.25,0.0,0.75,2.25,0.0,2.25,2.25,0.0,3.75,2.25,0.0,5.25,2.25,0.0,-5.25,0.75,0.0,-3.75,0.75,0.0,-2.25,0.75,0.0,-0.75,0.75,0.0,0.75,0.75,0.0,2.25,0.75,0.0,3.75,0.75,0.0,5.25,0.75,0.0,-5.25,-0.75,0.0,-3.75,-0.75,0.0,-2.25,-0.75,0.0,-0.75,-0.75,0.0,0.75,-0.75,0.0,2.25,-0.75,0.0,3.75,-0.75,0.0,5.25,-0.75,0.0,-5.25,-2.25,0.0,-3.75,-2.25,0.0,-2.25,-2.25,0.0,-0.75,-2.25,0.0,0.75,-2.25,0.0,2.25,-2.25,0.0,3.75,-2.25,0.0,5.25,-2.25,0.0,-5.25,-3.75,0.0,-3.75,-3.75,0.0,-2.25,-3.75,0.0,-0.75,-3.75,0.0,0.75,-3.75,0.0,2.25,-3.75,0.0,3.75,-3.75,0.0,5.25,-3.75,0.0,-5.25,-5.25,0.0,-3.75,-5.25,0.0,-2.25,-5.25,0.0,-0.75,-5.25,0.0,0.75,-5.25,0.0,2.25,-5.25,0.0,3.75,-5.25,0.0,5.25,-5.25,0.0})))
        .setColor(new Color().setColor(new MFColor(new double[] {0.5,0.5,0.5,0.75,0.75,0.75}))))));
            }
            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 gridBack 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 gridBack().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: \"Basic.UniversalMediaMaterials.gridBack\" 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.UniversalMediaMaterials.gridBack self-validation test confirmation: ");
                if (!validationResults.equals("success"))
                    System.out.println();
                System.out.println(validationResults.trim());

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