package Basic.X3dSpecifications;
import org.web3d.x3d.jsail.Core.*;
import org.web3d.x3d.jsail.EnvironmentalEffects.*;
import org.web3d.x3d.jsail.fields.*;
import org.web3d.x3d.jsail.Geometry2D.*;
import org.web3d.x3d.jsail.Grouping.*;
import org.web3d.x3d.jsail.Navigation.*;
import org.web3d.x3d.jsail.NURBS.*;
import org.web3d.x3d.jsail.Rendering.*;
import org.web3d.x3d.jsail.Shape.*;
// Javadoc metadata annotations follow, see below for X3DJSAIL Java source code.
/**
* X3D Architecture example: NurbsSweptSurface demonstration.
Related links: Catalog page NurbsSweptSurfaceExample, source NurbsSweptSurfaceExample.java, X3D Resources, X3D Scene Authoring Hints, and X3D Tooltips.
This program uses the
X3D Java Scene Access Interface Library (X3DJSAIL).
It has been produced using the
X3dToJava.xslt
stylesheet
(version control)
which is used to create Java source code from an original .x3d model.
* @author Doug Sanden and Don Brutzman
*/
public class NurbsSweptSurfaceExample
{
/** Default constructor to create this object. */
public NurbsSweptSurfaceExample ()
{
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_4_0)
.setHead(new head()
.addComponent(new component().setName("NURBS").setLevel(3))
.addMeta(new meta().setName(meta.NAME_TITLE ).setContent("NurbsSweptSurfaceExample.x3d"))
.addMeta(new meta().setName(meta.NAME_DESCRIPTION).setContent("X3D Architecture example: NurbsSweptSurface demonstration."))
.addMeta(new meta().setName(meta.NAME_CREATOR ).setContent("Doug Sanden and Don Brutzman"))
.addMeta(new meta().setName(meta.NAME_CREATED ).setContent("13 April 2022"))
.addMeta(new meta().setName(meta.NAME_MODIFIED ).setContent("28 September 2025"))
.addMeta(new meta().setName(meta.NAME_IMAGE ).setContent("NurbsSweptSurfaceExample.png"))
.addMeta(new meta().setName(meta.NAME_SPECIFICATIONSECTION).setContent("X3D Architecture, 27 NURBS component, 27.4.11 NurbsSweptSurface"))
.addMeta(new meta().setName(meta.NAME_SPECIFICATIONURL).setContent("/specifications/X3Dv4/ISO-IEC19775-1v4-IS/Part01/components/nurbs.html"))
.addMeta(new meta().setName(meta.NAME_IDENTIFIER ).setContent("/x3d/content/examples/Basic/X3dSpecifications/NurbsSweptSurfaceExample.x3d"))
.addMeta(new meta().setName(meta.NAME_GENERATOR ).setContent("X3D-Edit 4.0, /x3d/tools/X3D-Edit"))
.addMeta(new meta().setName(meta.NAME_LICENSE ).setContent("../license.html")))
.setScene(new Scene()
.addChild(new Group()
.addChild(new Shape()
.setGeometry(new LineSet().setVertexCount(new int[] {2})
.setCoord(new Coordinate().setPoint(new MFVec3f(new double[] {0.0,0.0,0.0,4.0,0.0,0.0}))))
.setAppearance(new Appearance()
.setMaterial(new Material().setEmissiveColor(1.0,0.0,0.0))
.setLineProperties(new LineProperties().setLinewidthScaleFactor(4))))
.addChild(new Shape()
.setGeometry(new LineSet().setVertexCount(new int[] {2})
.setCoord(new Coordinate().setPoint(new MFVec3f(new double[] {0.0,0.0,0.0,0.0,4.0,0.0}))))
.setAppearance(new Appearance()
.setMaterial(new Material().setEmissiveColor(0.0,1.0,0.0))
.setLineProperties(new LineProperties().setLinewidthScaleFactor(4))))
.addChild(new Shape()
.setGeometry(new LineSet().setVertexCount(new int[] {2})
.setCoord(new Coordinate().setPoint(new MFVec3f(new double[] {0.0,0.0,0.0,0.0,0.0,4.0}))))
.setAppearance(new Appearance()
.setMaterial(new Material().setEmissiveColor(0.0,0.0,1.0))
.setLineProperties(new LineProperties().setLinewidthScaleFactor(4)))))
.addChild(new Background().setSkyColor(new MFColor(new double[] {1.0,1.0,1.0})).setTransparency(1.0))
.addChild(new Viewpoint())
.addChild(new Transform()
.addChild(new Shape()
.setAppearance(new Appearance()
.setMaterial(new Material().setTransparency(.5)))
.setGeometry(new NurbsSweptSurface().setSolid(false)
.setTrajectoryCurve(new NurbsCurve("TRAJECTORY").setKnot(new double[] {0.0,0.0,0.0,1.0,2.0,3.0,4.0,5.0,5.0,5.0}).setWeight(new double[] {1.0,1.0,1.0,1.0,1.0,1.0,1.0})
.setControlPoint(new Coordinate("TRAJECTORYCONTROLPTS").setPoint(new MFVec3f(new double[] {0.0,2.0,4.0,0.0,2.0,2.0,0.0,0.0,2.0,2.0,0.0,2.0,2.0,0.0,0.0,2.0,4.0,0.0,2.0,4.0,2.0})))
.addComments(" Coordinate DEF='TRAJECTORYCONTROLPTS' containerField='controlPoint' point='4 0 2, 2 0 2, 2 0 0, 2 2 0, 0 2 0, 0 2 4, 2 2 4' / "))
.setCrossSectionCurve(new NurbsCurve2D().setControlPoint(new MFVec2f(new double[] {-.25,0.0,.5,0.0,.5,.25,0.0,.5,.5,.75,.5,1.0,-.25,1.0,-.25,0.0})).setKnot(new double[] {0.0,0.0,0.0,1.0,2.0,3.0,4.0,5.0,6.0,6.0,6.0}).setTessellation(30).setWeight(new double[] {1.0,1.0,1.0,1.0,1.0,1.0,1.0,1.0})))))
.addChild(new Transform()
.addChild(new Shape()
.setAppearance(new Appearance()
.setMaterial(new Material("CYAN").setDiffuseColor(0.0,.8,.8))
.setLineProperties(new LineProperties().setLinewidthScaleFactor(6)))
.addComments(" To convert a NurbsCurve2D control curve to a displayable NurbsCurve 1. rename element NurbsCurve2D -> NurbsCurve 2. cut controlPoint= field and paste into child node CoordinateDouble point field 3. edit point field adding a 3rd (z) = 0 to each xy point ")
.setGeometry(new NurbsCurve("CROSSSECTION").setKnot(new double[] {0.0,0.0,0.0,1.0,2.0,3.0,4.0,5.0,6.0,6.0,6.0}).setWeight(new double[] {1.0,1.0,1.0,1.0,1.0,1.0,1.0,1.0})
.setControlPoint(new CoordinateDouble().setPoint(new MFVec3d(new double[] {-0.25,0.0,0.0,0.5,0.0,0.0,0.5,0.25,0.0,0.0,0.5,0.0,0.5,0.75,0.0,0.5,1.0,0.0,-0.25,1.0,0.0,-0.25,0.0,0.0}))
.addComments(" point array (8 tuples, 24 total doubles) has closed geometry with coincident endpoints "))))
.addChild(new Shape()
.setAppearance(new Appearance()
.setMaterial(new Material("MAGENTA").setDiffuseColor(.8,0.0,.8))
.setLineProperties(new LineProperties().setLinewidthScaleFactor(6)))
.setGeometry(new NurbsCurve().setUSE("TRAJECTORY")))
.addChild(new Shape()
.setAppearance(new Appearance()
.setMaterial(new Material("GRAY").setDiffuseColor(.5,.5,.5).setTransparency(.5))
.setLineProperties(new LineProperties().setLinewidthScaleFactor(6)))
.setGeometry(new NurbsCurve("TRAJECTORYCONTROLLINES").setKnot(new double[] {0.0,0.0,1.0,2.0,3.0,4.0,5.0,6.0,6.0}).setOrder(2).setWeight(new double[] {1.0,1.0,1.0,1.0,1.0,1.0,1.0})
.setControlPoint(new Coordinate().setUSE("TRAJECTORYCONTROLPTS"))))));
}
catch (Exception ex)
{
System.err.println ("*** Further hints on X3DJSAIL errors and exceptions at");
System.err.println ("*** /specifications/java/X3DJSAIL.html");
throw (ex);
}
}
// end of initialize() method
/** The initialized model object, created within initialize() method. */
private X3D x3dModel;
/**
* Provide a
* shallow copy
* of the X3D model.
* @see X3D
* @return NurbsSweptSurfaceExample 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 X3D.handleArguments(args)
* @see X3D.validationReport()
* @see CommandLine
* @see CommandLine.USAGE
* @see ConfigurationProperties
*/
public static void main(String args[])
{
System.out.println("Build this X3D model, showing validation diagnostics...");
X3D thisExampleX3dModel = new NurbsSweptSurfaceExample().getX3dModel();
// System.out.println("X3D model construction complete.");
// next handle command line arguments
boolean hasArguments = (args != null) && (args.length > 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.X3dSpecifications.NurbsSweptSurfaceExample\" 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.X3dSpecifications.NurbsSweptSurfaceExample self-validation test confirmation: ");
if (!validationResults.equals("success"))
System.out.println();
System.out.println(validationResults.trim());
// experimental: test X3DJSAIL output files
// X3dSpecifications/NurbsSweptSurfaceExample_JavaExport.* file validation is checked when building X3D Example Archives
String filenameX3D = "X3dSpecifications/NurbsSweptSurfaceExample_JavaExport.x3d";
String filenameX3DV = "X3dSpecifications/NurbsSweptSurfaceExample_JavaExport.x3dv";
String filenameJSON = "X3dSpecifications/NurbsSweptSurfaceExample_JavaExport.json";
thisExampleX3dModel.toFileX3D (filenameX3D);
thisExampleX3dModel.toFileClassicVRML(filenameX3DV);
// TODO thisExampleX3dModel.toFileJSON (filenameJSON);
}
}
}
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