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

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.Networking.*;
import org.web3d.x3d.jsail.Rendering.*;
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; This scene provides tool developers with X3D Amendment 1 CAD Component node prototypes, providing backwards compatibility with VRML97 and X3D v3.0. &lt;/p&gt;
 &lt;p&gt; Related links: Catalog page &lt;a href="../../../CAD/CadGeometryExternPrototypesIndex.html" target="_blank"&gt;CadGeometryExternPrototypes&lt;/a&gt;,  source &lt;a href="../../../CAD/CadGeometryExternPrototypes.java"&gt;CadGeometryExternPrototypes.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="../../../CAD/CadGeometryExternPrototypes.x3d"&gt;CadGeometryExternPrototypes.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; This scene provides tool developers with X3D Amendment 1 CAD Component node prototypes, providing backwards compatibility with VRML97 and X3D v3.0. &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; Travis Rauch, Alan Shaffer, Mounir Sidhom, Patrick Sullivan 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; 28 April 2005 &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; 2 December 2024 &lt;/td&gt;
		&lt;/tr&gt;
		&lt;tr style="color:burntorange"&gt;
			&lt;td style="text-align:right; vertical-align: text-top;"&gt; &lt;i&gt; warning &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; Do not use these prototypes in an up-to-date X3D browser that already provides CAD support. &lt;/td&gt;
		&lt;/tr&gt;
		&lt;tr&gt;
			&lt;td style="text-align:right; vertical-align: text-top;"&gt; &lt;i&gt; info &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; Recommended practice: avoid using these prototypes, instead use native definitions for CAD nodes using an up-to-date X3D browser. &lt;/td&gt;
		&lt;/tr&gt;
		&lt;tr&gt;
			&lt;td style="text-align:right; vertical-align: text-top;"&gt; &lt;i&gt; info &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; These scenes are not intended for regular authoring - use X3D v3.2 CAD component instead. Example scenes using these prototypes do not get support for making embdedded metadata values visible at run time, though metadata can certainly be saved in the scene file OK. &lt;/td&gt;
		&lt;/tr&gt;
		&lt;tr&gt;
			&lt;td style="text-align:right; vertical-align: text-top;"&gt; &lt;i&gt; info &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; Example scenes using these prototypes do not get support for making embedded metadata values visible at run time, though separate metadata nodes can certainly be saved in the scene file OK. &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="../../../CAD/CadGeometryPrototypes.x3d"&gt;CadGeometryPrototypes.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; &lt;a href="../../../CAD/CadTeapot.x3d"&gt;CadTeapot.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; subject &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; CADAssembly CADFace CADLayer CADPart IndexedQuadSet QuadSet &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/files/specifications/19775-1/V3.3/Part01/components/CADGeometry.html" target="_blank"&gt;https://www.web3d.org/files/specifications/19775-1/V3.3/Part01/components/CADGeometry.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/Basic/CAD/CadGeometryExternPrototypes.x3d" target="_blank"&gt;https://www.web3d.org/x3d/content/examples/Basic/CAD/CadGeometryExternPrototypes.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="../../../CAD/../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 Travis Rauch, Alan Shaffer, Mounir Sidhom, Patrick Sullivan and Don Brutzman
 */

public class CadGeometryExternPrototypes
{
	/** Default constructor to create this object. */
	public CadGeometryExternPrototypes ()
	{
	  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_1)
  .setHead(new head()
    .addMeta(new meta().setName(meta.NAME_TITLE      ).setContent("CadGeometryExternPrototypes.x3d"))
    .addMeta(new meta().setName(meta.NAME_DESCRIPTION).setContent("This scene provides tool developers with X3D Amendment 1 CAD Component node prototypes, providing backwards compatibility with VRML97 and X3D v3.0."))
    .addMeta(new meta().setName(meta.NAME_CREATOR    ).setContent("Travis Rauch, Alan Shaffer, Mounir Sidhom, Patrick Sullivan and Don Brutzman"))
    .addMeta(new meta().setName(meta.NAME_CREATED    ).setContent("28 April 2005"))
    .addMeta(new meta().setName(meta.NAME_MODIFIED   ).setContent("2 December 2024"))
    .addMeta(new meta().setName(meta.NAME_WARNING    ).setContent("Do not use these prototypes in an up-to-date X3D browser that already provides CAD support."))
    .addMeta(new meta().setName(meta.NAME_INFO       ).setContent("Recommended practice: avoid using these prototypes, instead use native definitions for CAD nodes using an up-to-date X3D browser."))
    .addMeta(new meta().setName(meta.NAME_INFO       ).setContent("These scenes are not intended for regular authoring - use X3D v3.2 CAD component instead. Example scenes using these prototypes do not get support for making embdedded metadata values visible at run time, though metadata can certainly be saved in the scene file OK."))
    .addMeta(new meta().setName(meta.NAME_INFO       ).setContent("Example scenes using these prototypes do not get support for making embedded metadata values visible at run time, though separate metadata nodes can certainly be saved in the scene file OK."))
    .addMeta(new meta().setName(meta.NAME_REFERENCE  ).setContent("CadGeometryPrototypes.x3d"))
    .addMeta(new meta().setName(meta.NAME_REFERENCE  ).setContent("CadTeapot.x3d"))
    .addMeta(new meta().setName(meta.NAME_SUBJECT    ).setContent("CADAssembly CADFace CADLayer CADPart IndexedQuadSet QuadSet"))
    .addMeta(new meta().setName(meta.NAME_REFERENCE  ).setContent("https://www.web3d.org/files/specifications/19775-1/V3.3/Part01/components/CADGeometry.html"))
    .addMeta(new meta().setName(meta.NAME_IDENTIFIER ).setContent("https://www.web3d.org/x3d/content/examples/Basic/CAD/CadGeometryExternPrototypes.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("CadGeometryExternPrototypes.x3d"))
    .addChild(new ExternProtoDeclare("IndexedQuadSet").setName("IndexedQuadSet").setAppinfo("The IndexedQuadSet node represents a 3D shape composed of a collection of individual quadrilaterals (quads). IndexedQuadSet uses the indices in its index field to specify the vertices of each quad from the coord field. Each quad is formed from a set of four vertices of the Coordinate node identified by four consecutive indices from the index field If the index field does not contain a multiple of four coordinate values the remaining vertices shall be ignored.").setDocumentation("https://www.web3d.org/specifications/X3Dv4/ISO-IEC19775-1v4-IS/Part01/components/CADGeometry.html#IndexedQuadSet").setUrl(new String[] {"CadGeometryPrototypes.x3d#IndexedQuadSet","https://www.web3d.org/x3d/content/examples/Basic/CAD/CadGeometryPrototypes.x3d#IndexedQuadSet","CadGeometryPrototypes.wrl#IndexedQuadSet","https://www.web3d.org/x3d/content/examples/Basic/CAD/CadGeometryPrototypes.wrl#IndexedQuadSet"})
      .addField(new field().setName("set_index").setType(field.TYPE_MFINT32).setAccessType(field.ACCESSTYPE_INPUTONLY))
      .addField(new field().setName("color").setType(field.TYPE_SFNODE).setAccessType(field.ACCESSTYPE_INPUTOUTPUT).setAppinfo("[X3DColorNode]"))
      .addField(new field().setName("coord").setType(field.TYPE_SFNODE).setAccessType(field.ACCESSTYPE_INPUTOUTPUT).setAppinfo("[X3DCoordinateNode]"))
      .addField(new field().setName("fogCoord").setType(field.TYPE_SFNODE).setAccessType(field.ACCESSTYPE_INPUTOUTPUT).setAppinfo("[FogCoordinate]"))
      .addField(new field().setName("normal").setType(field.TYPE_SFNODE).setAccessType(field.ACCESSTYPE_INPUTOUTPUT).setAppinfo("[X3DNormalNode]"))
      .addField(new field().setName("texCoord").setType(field.TYPE_SFNODE).setAccessType(field.ACCESSTYPE_INPUTOUTPUT).setAppinfo("[X3DTextureCoordinateNode]"))
      .addField(new field().setName("ccw").setType(field.TYPE_SFBOOL).setAccessType(field.ACCESSTYPE_INITIALIZEONLY))
      .addField(new field().setName("colorPerVertex").setType(field.TYPE_SFBOOL).setAccessType(field.ACCESSTYPE_INITIALIZEONLY))
      .addField(new field().setName("normalPerVertex").setType(field.TYPE_SFBOOL).setAccessType(field.ACCESSTYPE_INITIALIZEONLY))
      .addField(new field().setName("solid").setType(field.TYPE_SFBOOL).setAccessType(field.ACCESSTYPE_INITIALIZEONLY))
      .addField(new field().setName("index").setType(field.TYPE_MFINT32).setAccessType(field.ACCESSTYPE_INITIALIZEONLY))
      .addField(new field().setName("metadata").setType(field.TYPE_SFNODE).setAccessType(field.ACCESSTYPE_INPUTOUTPUT)))
    .addComments(" =========================================== ")
    .addChild(new ExternProtoDeclare("QuadSet").setName("QuadSet").setAppinfo("The QuadSet node represents a 3D shape that represents a collection of individual planar quadrilaterals. The coord field contains a Coordinate node that defines the 3D vertices that define the quad. Each quad is formed from a consecutive set of four vertices of the coordinate node. If the coordinate node does not contain a multiple of four coordinate values the remaining vertices shall be ignored.").setDocumentation("https://www.web3d.org/specifications/X3Dv4/ISO-IEC19775-1v4-IS/Part01/components/CADGeometry.html#QuadSet").setUrl(new String[] {"CadGeometryPrototypes.x3d#QuadSet","https://www.web3d.org/x3d/content/examples/Basic/CAD/CadGeometryPrototypes.x3d#QuadSet","CadGeometryPrototypes.wrl#QuadSet","https://www.web3d.org/x3d/content/examples/Basic/CAD/CadGeometryPrototypes.wrl#QuadSet"})
      .addField(new field().setName("attrib").setType(field.TYPE_MFNODE).setAccessType(field.ACCESSTYPE_INPUTOUTPUT).setAppinfo("[X3DVertexAttributeNode]"))
      .addField(new field().setName("color").setType(field.TYPE_SFNODE).setAccessType(field.ACCESSTYPE_INPUTOUTPUT).setAppinfo("[X3DColorNode]"))
      .addField(new field().setName("coord").setType(field.TYPE_SFNODE).setAccessType(field.ACCESSTYPE_INPUTOUTPUT).setAppinfo("[X3DCoordinateNode]"))
      .addField(new field().setName("fogCoord").setType(field.TYPE_SFNODE).setAccessType(field.ACCESSTYPE_INPUTOUTPUT).setAppinfo("[FogCoordinate]"))
      .addField(new field().setName("normal").setType(field.TYPE_SFNODE).setAccessType(field.ACCESSTYPE_INPUTOUTPUT).setAppinfo("[X3DNormalNode]"))
      .addField(new field().setName("texCoord").setType(field.TYPE_SFNODE).setAccessType(field.ACCESSTYPE_INPUTOUTPUT).setAppinfo("[X3DTextureCoordinateNode]"))
      .addField(new field().setName("ccw").setType(field.TYPE_SFBOOL).setAccessType(field.ACCESSTYPE_INITIALIZEONLY))
      .addField(new field().setName("colorPerVertex").setType(field.TYPE_SFBOOL).setAccessType(field.ACCESSTYPE_INITIALIZEONLY))
      .addField(new field().setName("normalPerVertex").setType(field.TYPE_SFBOOL).setAccessType(field.ACCESSTYPE_INITIALIZEONLY))
      .addField(new field().setName("solid").setType(field.TYPE_SFBOOL).setAccessType(field.ACCESSTYPE_INITIALIZEONLY))
      .addField(new field().setName("metadata").setType(field.TYPE_SFNODE).setAccessType(field.ACCESSTYPE_INPUTOUTPUT)))
    .addComments(" ======================================== ")
    .addChild(new ExternProtoDeclare("CADLayer").setName("CADLayer").setAppinfo("The CADLayer node defines a hierarchy of nodes used for showing layer structure.").setDocumentation("https://www.web3d.org/specifications/X3Dv4/ISO-IEC19775-1v4-IS/Part01/components/CADGeometry.html#CADLayer").setUrl(new String[] {"CadGeometryPrototypes.x3d#CADLayer","https://www.web3d.org/x3d/content/examples/Basic/CAD/CadGeometryPrototypes.x3d#CADLayer","CadGeometryPrototypes.wrl#CADLayer","https://www.web3d.org/x3d/content/examples/Basic/CAD/CadGeometryPrototypes.wrl#CADLayer"})
      .addField(new field().setName("addChildren").setType(field.TYPE_MFNODE).setAccessType(field.ACCESSTYPE_INPUTONLY))
      .addField(new field().setName("removeChildren").setType(field.TYPE_MFNODE).setAccessType(field.ACCESSTYPE_INPUTONLY))
      .addField(new field().setName("children").setType(field.TYPE_MFNODE).setAccessType(field.ACCESSTYPE_INPUTOUTPUT))
      .addField(new field().setName("name").setType(field.TYPE_SFSTRING).setAccessType(field.ACCESSTYPE_INPUTOUTPUT))
      .addField(new field().setName("visible").setType(field.TYPE_MFBOOL).setAccessType(field.ACCESSTYPE_INPUTOUTPUT))
      .addField(new field().setName("bboxCenter").setType(field.TYPE_SFVEC3F).setAccessType(field.ACCESSTYPE_INITIALIZEONLY))
      .addField(new field().setName("bboxSize").setType(field.TYPE_SFVEC3F).setAccessType(field.ACCESSTYPE_INITIALIZEONLY))
      .addField(new field().setName("metadata").setType(field.TYPE_SFNODE).setAccessType(field.ACCESSTYPE_INPUTOUTPUT)))
    .addComments(" ======================================== ")
    .addChild(new ExternProtoDeclare("CADAssembly").setName("CADAssembly").setAppinfo("The CADAssembly node holds a set of assemblies or parts grouped together.").setDocumentation("https://www.web3d.org/specifications/X3Dv4/ISO-IEC19775-1v4-IS/Part01/components/CADGeometry.html#CADAssembly").setUrl(new String[] {"CadGeometryPrototypes.x3d#CADAssembly","https://www.web3d.org/x3d/content/examples/Basic/CAD/CadGeometryPrototypes.x3d#CADAssembly","CadGeometryPrototypes.wrl#CADAssembly","https://www.web3d.org/x3d/content/examples/Basic/CAD/CadGeometryPrototypes.wrl#CADAssembly"})
      .addField(new field().setName("addChildren").setType(field.TYPE_MFNODE).setAccessType(field.ACCESSTYPE_INPUTONLY))
      .addField(new field().setName("removeChildren").setType(field.TYPE_MFNODE).setAccessType(field.ACCESSTYPE_INPUTONLY))
      .addField(new field().setName("children").setType(field.TYPE_MFNODE).setAccessType(field.ACCESSTYPE_INPUTOUTPUT))
      .addField(new field().setName("name").setType(field.TYPE_SFSTRING).setAccessType(field.ACCESSTYPE_INPUTOUTPUT))
      .addField(new field().setName("bboxCenter").setType(field.TYPE_SFVEC3F).setAccessType(field.ACCESSTYPE_INITIALIZEONLY))
      .addField(new field().setName("bboxSize").setType(field.TYPE_SFVEC3F).setAccessType(field.ACCESSTYPE_INITIALIZEONLY))
      .addField(new field().setName("metadata").setType(field.TYPE_SFNODE).setAccessType(field.ACCESSTYPE_INPUTOUTPUT)))
    .addComments(" ======================================== ")
    .addChild(new ExternProtoDeclare("CADPart").setName("CADPart").setAppinfo("CADPart represents the location and faces that constitute a part").setDocumentation("https://www.web3d.org/specifications/X3Dv4/ISO-IEC19775-1v4-IS/Part01/components/CADGeometry.html#CADPart").setUrl(new String[] {"CadGeometryPrototypes.wrl#CADPart","https://www.web3d.org/x3d/content/examples/Basic/CAD/CadGeometryPrototypes.wrl#CADPart","CadGeometryPrototypes.x3d#CADPart","https://www.web3d.org/x3d/content/examples/Basic/CAD/CadGeometryPrototypes.x3d#CADPart"})
      .addField(new field().setName("addChildren").setType(field.TYPE_MFNODE).setAccessType(field.ACCESSTYPE_INPUTONLY))
      .addField(new field().setName("removeChildren").setType(field.TYPE_MFNODE).setAccessType(field.ACCESSTYPE_INPUTONLY))
      .addField(new field().setName("children").setType(field.TYPE_MFNODE).setAccessType(field.ACCESSTYPE_INPUTOUTPUT))
      .addField(new field().setName("name").setType(field.TYPE_SFSTRING).setAccessType(field.ACCESSTYPE_INPUTOUTPUT))
      .addField(new field().setName("translation").setType(field.TYPE_SFVEC3F).setAccessType(field.ACCESSTYPE_INPUTOUTPUT))
      .addField(new field().setName("rotation").setType(field.TYPE_SFROTATION).setAccessType(field.ACCESSTYPE_INPUTOUTPUT))
      .addField(new field().setName("center").setType(field.TYPE_SFVEC3F).setAccessType(field.ACCESSTYPE_INPUTOUTPUT))
      .addField(new field().setName("scale").setType(field.TYPE_SFVEC3F).setAccessType(field.ACCESSTYPE_INPUTOUTPUT))
      .addField(new field().setName("scaleOrientation").setType(field.TYPE_SFROTATION).setAccessType(field.ACCESSTYPE_INPUTOUTPUT))
      .addField(new field().setName("bboxCenter").setType(field.TYPE_SFVEC3F).setAccessType(field.ACCESSTYPE_INITIALIZEONLY))
      .addField(new field().setName("bboxSize").setType(field.TYPE_SFVEC3F).setAccessType(field.ACCESSTYPE_INITIALIZEONLY))
      .addField(new field().setName("metadata").setType(field.TYPE_SFNODE).setAccessType(field.ACCESSTYPE_INPUTOUTPUT)))
    .addComments(" ======================================== ")
    .addChild(new ExternProtoDeclare("CADFace").setName("CADFace").setAppinfo("The CADFace node holds the geometry representing a face of a part.").setDocumentation("https://www.web3d.org/specifications/X3Dv4/ISO-IEC19775-1v4-IS/Part01/components/CADGeometry.html#CADFace").setUrl(new String[] {"CadGeometryPrototypes.x3d#CADFace","https://www.web3d.org/x3d/content/examples/Basic/CAD/CadGeometryPrototypes.x3d#CADFace","CadGeometryPrototypes.wrl#CADFace","https://www.web3d.org/x3d/content/examples/Basic/CAD/CadGeometryPrototypes.wrl#CADFace"})
      .addField(new field().setName("name").setType(field.TYPE_SFSTRING).setAccessType(field.ACCESSTYPE_INPUTOUTPUT))
      .addField(new field().setName("shape").setType(field.TYPE_SFNODE).setAccessType(field.ACCESSTYPE_INPUTOUTPUT))
      .addField(new field().setName("bboxCenter").setType(field.TYPE_SFVEC3F).setAccessType(field.ACCESSTYPE_INITIALIZEONLY))
      .addField(new field().setName("bboxSize").setType(field.TYPE_SFVEC3F).setAccessType(field.ACCESSTYPE_INITIALIZEONLY))
      .addField(new field().setName("metadata").setType(field.TYPE_SFNODE).setAccessType(field.ACCESSTYPE_INPUTOUTPUT)))
    .addComments(" ======================================== ")
    .addChild(new Transform().setTranslation(0.0,-2.0,0.0)
      .addChild(new Anchor().setDescription("CAD Teapot").setUrl(new String[] {"CadTeapot.x3d","https://www.web3d.org/x3d/content/examples/Basic/CAD/CadTeapot.x3d","CadTeapot.wrl","https://www.web3d.org/x3d/content/examples/Basic/CAD/CadTeapot.wrl"})
        .addChild(new Shape()
          .setGeometry(new Text().setString(new String[] {"Example CAD structure nodes","are found in CadTeapot.x3d"})
            .setFontStyle(new FontStyle().setJustify(FontStyle.JUSTIFY_MIDDLE_MIDDLE).setSize(0.9)))
          .setAppearance(new Appearance()
            .setMaterial(new Material().setDiffuseColor(1.0,1.0,0.2))))))
    .addChild(new Transform().setTranslation(-3.0,2.0,0.0)
      .addChild(new Shape()
        .setAppearance(new Appearance("White")
          .setMaterial(new Material().setDiffuseColor(1.0,1.0,1.0)))
        .setGeometry(new ProtoInstance("IndexedQuadSet").setContainerField("geometry")
          .addFieldValue(new fieldValue().setName("index").setValue(new int[] {0,3,2,1,4,5,6,7,2,7,9,8,2,3,4,7}))
          .addFieldValue(new fieldValue().setName("coord")
            .addChild(new Coordinate().setPoint(new MFVec3f(new double[] {-1.5,0.0,0.0,-1.5,1.0,-1.0,-.5,1.0,-1.0,-.5,0.0,0.0,0.5,0.0,0.0,1.5,0.0,0.0,1.5,1.0,-1.0,0.5,1.0,-1.0,-0.5,2.0,-1.0,0.5,2.0,-1.0})))))))
    .addChild(new Transform().setTranslation(3.0,2.0,0.0)
      .addChild(new Shape()
        .setAppearance(new Appearance().setUSE("White"))
        .setGeometry(new ProtoInstance("QuadSet").setContainerField("geometry")
          .addFieldValue(new fieldValue().setName("coord")
            .addChild(new Coordinate().setPoint(new MFVec3f(new double[] {-1.5,0.0,0.0,-1.5,1.0,-1.0,-0.5,1.0,-1.0,-0.5,0.0,0.0,0.5,0.0,0.0,1.5,0.0,0.0,1.5,1.0,-1.0,0.5,1.0,-1.0})))))))
    .addComments(" ======================================== ")
    .addComments(" Silence scene warnings by providing ordered ProtoInstance examples. Note warning above that this scene is for developmental use. The ProtoInstance form of the CAD nodes should not be used, native X3D encoding should be used instead. ")
    .addChild(new ProtoInstance("CADLayer").setContainerField("children")
      .addFieldValue(new fieldValue().setName("children")
        .addChild(new ProtoInstance("CADAssembly").setContainerField("children")
          .addFieldValue(new fieldValue().setName("children")
            .addChild(new ProtoInstance("CADPart").setContainerField("children")
              .addFieldValue(new fieldValue().setName("children")
                .addChild(new ProtoInstance("CADFace").setContainerField("children")
                  .addFieldValue(new fieldValue().setName("shape")
                    .addChild(new Shape()
                      .setGeometry(new Cylinder().setBottom(false).setHeight(0.000001).setRadius(0.000001).setSide(false))
                      .setAppearance(new Appearance()
                        .setMaterial(new Material()))))))))))));
            }
            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 CadGeometryExternPrototypes 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 CadGeometryExternPrototypes().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.CAD.CadGeometryExternPrototypes\" 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.CAD.CadGeometryExternPrototypes self-validation test confirmation: ");
                if (!validationResults.equals("success"))
                    System.out.println();
                System.out.println(validationResults.trim());

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