<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">package X3dForAdvancedModeling.Visualization;

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

// Javadoc metadata annotations follow, see below for X3DJSAIL Java source code.
/**
 * &lt;p&gt; Collection of example Background nodes for author reuse, browse by selecting corresponding viewpoints. &lt;/p&gt;
 &lt;p&gt; Related links: Catalog page &lt;a href="../../../Visualization/BackgroundCollectionIndex.html" target="_blank"&gt;BackgroundCollection&lt;/a&gt;,  source &lt;a href="../../../Visualization/BackgroundCollection.java"&gt;BackgroundCollection.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="../../../Visualization/BackgroundCollection.x3d"&gt;BackgroundCollection.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; Collection of example Background nodes for author reuse, browse by selecting corresponding viewpoints. &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; 28 December 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; creator &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; reference &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; &lt;a href="https://www.web3d.org/x3d/content/examples/Basic/UniversalMediaPanoramas" target="_blank"&gt;https://www.web3d.org/x3d/content/examples/Basic/UniversalMediaPanoramas&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/tooltips/X3dTooltips.html#Background" target="_blank"&gt;https://www.web3d.org/x3d/tooltips/X3dTooltips.html#Background&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/specifications/X3Dv4/ISO-IEC19775-1v4-IS/Part01/components/enveffects.html#Background" target="_blank"&gt;https://www.web3d.org/specifications/X3Dv4/ISO-IEC19775-1v4-IS/Part01/components/enveffects.html#Background&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/specifications/X3Dv4/ISO-IEC19775-1v4-IS/Part01/components/enveffects.html#Concepts" target="_blank"&gt;https://www.web3d.org/specifications/X3Dv4/ISO-IEC19775-1v4-IS/Part01/components/enveffects.html#Concepts&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://x3dgraphics.com/slidesets/X3dForWebAuthors/Chapter11-LightingEnvironment.pdf" target="_blank"&gt;https://x3dgraphics.com/slidesets/X3dForWebAuthors/Chapter11-LightingEnvironment.pdf&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/X3dForAdvancedModeling/Visualization/BackgroundCollection.x3d" target="_blank"&gt;https://www.web3d.org/x3d/content/examples/X3dForAdvancedModeling/Visualization/BackgroundCollection.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; license &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; &lt;a href="https://www.web3d.org/x3d/content/examples/license.html" target="_blank"&gt;https://www.web3d.org/x3d/content/examples/license.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 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 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 Don Brutzman
 */

public class BackgroundCollection
{
	/** Default constructor to create this object. */
	public BackgroundCollection ()
	{
	  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_3)
  .setHead(new head()
    .addMeta(new meta().setName(meta.NAME_TITLE      ).setContent("BackgroundCollection.x3d"))
    .addMeta(new meta().setName(meta.NAME_DESCRIPTION).setContent("Collection of example Background nodes for author reuse, browse by selecting corresponding viewpoints."))
    .addMeta(new meta().setName(meta.NAME_CREATED    ).setContent("28 December 2014"))
    .addMeta(new meta().setName(meta.NAME_MODIFIED   ).setContent("20 October 2019"))
    .addMeta(new meta().setName(meta.NAME_CREATOR    ).setContent("Don Brutzman"))
    .addMeta(new meta().setName(meta.NAME_REFERENCE  ).setContent("https://www.web3d.org/x3d/content/examples/Basic/UniversalMediaPanoramas"))
    .addMeta(new meta().setName(meta.NAME_REFERENCE  ).setContent("https://www.web3d.org/x3d/tooltips/X3dTooltips.html#Background"))
    .addMeta(new meta().setName(meta.NAME_REFERENCE  ).setContent("https://www.web3d.org/specifications/X3Dv4/ISO-IEC19775-1v4-IS/Part01/components/enveffects.html#Background"))
    .addMeta(new meta().setName(meta.NAME_REFERENCE  ).setContent("https://www.web3d.org/specifications/X3Dv4/ISO-IEC19775-1v4-IS/Part01/components/enveffects.html#Concepts"))
    .addMeta(new meta().setName(meta.NAME_REFERENCE  ).setContent("https://x3dgraphics.com/slidesets/X3dForWebAuthors/Chapter11-LightingEnvironment.pdf"))
    .addMeta(new meta().setName(meta.NAME_IDENTIFIER ).setContent("https://www.web3d.org/x3d/content/examples/X3dForAdvancedModeling/Visualization/BackgroundCollection.x3d"))
    .addMeta(new meta().setName(meta.NAME_LICENSE    ).setContent("https://www.web3d.org/x3d/content/examples/license.html"))
    .addMeta(new meta().setName(meta.NAME_GENERATOR  ).setContent("X3D-Edit 3.3, https://savage.nps.edu/X3D-Edit")))
  .setScene(new Scene()
    .addChild(new WorldInfo().setTitle("BackgroundCollection.x3d"))
    .addChild(new Group("AllLandBackgrounds")
      .addChild(new Background("BlueSkyWhiteHorizonBrownLand").setGroundAngle(new double[] {1.309,1.5708}).setGroundColor(new MFColor(new double[] {0.5,0.3,0.3,0.5,0.3,0.3,0.5,0.4,0.4})).setSkyAngle(new double[] {1.309,1.572}).setSkyColor(new MFColor(new double[] {0.0,0.2,0.7,0.0,0.5,1.0,1.0,1.0,1.0})))
      .addChild(new Viewpoint("BlueSkyWhiteHorizonBrownLandViewpoint").setDescription("Blue Sky White Horizon Brown Land"))
      .addChild(new ROUTE().setFromNode("BlueSkyWhiteHorizonBrownLandViewpoint").setFromField("isBound").setToNode("BlueSkyWhiteHorizonBrownLand").setToField("set_bind")))
    .addChild(new Group("AllSeaBackgrounds")
      .addChild(new Background("BlueOceanWhiteHorizon").setGroundAngle(new double[] {1.309,1.570796}).setGroundColor(new MFColor(new double[] {0.0,0.3,.7,0.0,0.35,0.75,0.0,0.4,0.8})).setSkyAngle(new double[] {1.309,1.571}).setSkyColor(new MFColor(new double[] {0.0,0.3,0.8,0.0,0.5,1.0,1.0,1.0,1.0})))
      .addChild(new Viewpoint("BlueOceanWhiteHorizonViewpoint").setDescription("Blue Ocean White Horizon"))
      .addChild(new ROUTE().setFromNode("BlueOceanWhiteHorizonViewpoint").setFromField("isBound").setToNode("BlueOceanWhiteHorizon").setToField("set_bind"))
      .addChild(new Background("OvercastSkyBlueOcean").setGroundAngle(new double[] {0.1,1.5,1.56,1.570796}).setGroundColor(new MFColor(new double[] {0.0,0.0,0.0,0.0,0.1,0.2,0.0,0.1,0.2,0.0,0.15,0.3,0.1,0.1,0.1})).setSkyAngle(new double[] {0.1,1.4,1.5,1.565,1.57079}).setSkyColor(new MFColor(new double[] {0.1,0.1,0.1,0.2,0.2,0.2,0.2,0.2,0.2,0.0,0.3804,0.4784,0.0,0.2,0.4,0.4,0.4,0.4})))
      .addChild(new Viewpoint("OvercastSkyBlueOceanViewpoint").setDescription("Overcast Sky Blue Ocean"))
      .addChild(new ROUTE().setFromNode("OvercastSkyBlueOceanViewpoint").setFromField("isBound").setToNode("OvercastSkyBlueOcean").setToField("set_bind"))
      .addChild(new Background("BlueSkyBlueOcean").setGroundAngle(new double[] {1.57079}).setGroundColor(new MFColor(new double[] {0.0,0.15,0.25,0.0,0.15,0.25})).setSkyColor(new MFColor(new double[] {0.0,0.3,0.5})))
      .addChild(new Viewpoint("BlueSkyBlueOceanViewpoint").setDescription("Blue Sky Blue Ocean"))
      .addChild(new ROUTE().setFromNode("BlueSkyBlueOceanViewpoint").setFromField("isBound").setToNode("BlueSkyBlueOcean").setToField("set_bind")))
    .addChild(new Group("AllSkyBackgrounds")
      .addChild(new Background("SimplyWhite").setSkyColor(new MFColor(new double[] {1.0,1.0,1.0})))
      .addChild(new Viewpoint("SimplyWhiteViewpoint").setDescription("Simply White"))
      .addChild(new ROUTE().setFromNode("SimplyWhiteViewpoint").setFromField("isBound").setToNode("SimplyWhite").setToField("set_bind"))
      .addChild(new Background("SimplyGrey").setSkyColor(new MFColor(new double[] {0.8,0.8,0.8})))
      .addChild(new Viewpoint("SimplyGreyViewpoint").setDescription("Simply Grey"))
      .addChild(new ROUTE().setFromNode("SimplyGreyViewpoint").setFromField("isBound").setToNode("SimplyGrey").setToField("set_bind"))
      .addChild(new Background("SimplyDarkGrey").setSkyColor(new MFColor(new double[] {0.4,0.4,0.4})))
      .addChild(new Viewpoint("SimplyDarkGreyViewpoint").setDescription("Simply Dark Grey"))
      .addChild(new ROUTE().setFromNode("SimplyDarkGreyViewpoint").setFromField("isBound").setToNode("SimplyDarkGrey").setToField("set_bind"))
      .addChild(new Background("SimplyBlack"))
      .addChild(new Viewpoint("SimplyBlackViewpoint").setDescription("Simply Black"))
      .addChild(new ROUTE().setFromNode("SimplyBlackViewpoint").setFromField("isBound").setToNode("SimplyBlack").setToField("set_bind")))
    .addChild(new Group("AllVarietyBackgrounds")
      .addChild(new Background("BackgroundTest1").setGroundAngle(new double[] {1.0,1.4,1.5}).setGroundColor(new MFColor(new double[] {0.0,0.0,0.0,0.2157,1.0,0.1216,0.5,0.5,0.5,1.0,1.0,1.0})).setSkyAngle(new double[] {1.0,1.309,1.57079}).setSkyColor(new MFColor(new double[] {0.0,0.0,0.0,0.1647,0.0588,1.0,0.5,0.5,0.5,1.0,1.0,1.0})))
      .addChild(new Background("BackgroundTest2").setGroundAngle(new double[] {1.0,1.309}).setGroundColor(new MFColor(new double[] {0.0,0.3,.7,0.0,0.35,0.75,0.0,0.4,0.8})).setSkyAngle(new double[] {1.309,1.57079}).setSkyColor(new MFColor(new double[] {0.0,0.3,0.8,0.0,0.5,1.0,1.0,1.0,1.0})))
      .addChild(new Background("BackgroundTest3").setGroundAngle(new double[] {1.57079}).setGroundColor(new MFColor(new double[] {0.0,0.15,0.25,0.0,0.15,0.25})).setSkyColor(new MFColor(new double[] {0.0,0.3,0.5})))
      .addChild(new Background("BackgroundTest4").setGroundAngle(new double[] {1.57079}).setGroundColor(new MFColor(new double[] {0.0,0.15,0.25,0.0,0.15,0.25})).setSkyColor(new MFColor(new double[] {0.0,0.3,0.5})))
      .addChild(new Viewpoint("ViewpointTest1").setDescription("Test1"))
      .addChild(new ROUTE().setFromNode("ViewpointTest1").setFromField("isBound").setToNode("BackgroundTest1").setToField("set_bind"))
      .addChild(new Viewpoint("ViewpointTest2").setDescription("Test2"))
      .addChild(new ROUTE().setFromNode("ViewpointTest2").setFromField("isBound").setToNode("BackgroundTest2").setToField("set_bind"))
      .addChild(new Viewpoint("ViewpointTest3").setDescription("Test3"))
      .addChild(new ROUTE().setFromNode("ViewpointTest3").setFromField("isBound").setToNode("BackgroundTest3").setToField("set_bind"))
      .addChild(new Viewpoint("ViewpointTest4").setDescription("Test4"))
      .addChild(new ROUTE().setFromNode("ViewpointTest4").setFromField("isBound").setToNode("BackgroundTest4").setToField("set_bind")))
    .addChild(new Group("UnboundViewpoints")
      .addComments(" The final two viewpoints are not separately bound and can be selected to check any of the other Background nodes ")
      .addChild(new Viewpoint().setDescription("Looking up at current Background zenith").setOrientation(1.0,0.0,0.0,1.570796))
      .addChild(new Viewpoint().setDescription("Looking down at current Background nadir").setOrientation(1.0,0.0,0.0,-1.570796))));
            }
            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 BackgroundCollection 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 BackgroundCollection().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: \"X3dForAdvancedModeling.Visualization.BackgroundCollection\" 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("X3dForAdvancedModeling.Visualization.BackgroundCollection self-validation test confirmation: ");
                if (!validationResults.equals("success"))
                    System.out.println();
                System.out.println(validationResults.trim());

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