Late Night VRML 2.0 with Java CD-ROM/code.zip/Ch13/scul2wrl.java

Text File | 1997-01-14 | 4KB | 79 lines

// Convert a SCUL file to VRML

// Written by Bernie Roehl, November 1996

import java.io.*;
import java.util.*;
import hash.*;

public class scul2wrl {
        public static void main(String args[]) {
                try {
                Segment seg = new Segment(new DataInputStream(System.in));

                System.out.println("#VRML V2.0 utf8");
                System.out.println("\n# Generated by SCUL2WRL\n");
                System.out.println("Transform {");
                System.out.println("\ttranslation " + seg.getPivotX() + " " + seg.getPivotY() + " " + seg.getPivotZ());
                System.out.println("\tchildren [");
                System.out.println("\t\tShape {");
                System.out.println("\t\t\tappearance Appearance { material Material { emissiveColor 1 1 1 } }");
                System.out.println("\t\t\tgeometry IndexedLineSet {");

                // gather the vertices
                Vector coordinates = new Vector();
                for (int i = 0; i < seg.getNumberOfSplines(); ++i) {
                        Spline spline = seg.getSpline(i);
                        for (int j = 0; j < spline.getNumberOfControlPoints(); ++j) {
                                ControlPoint cp = spline.getControlPoint(j);
                                if (cp.isAttached() == false)
                                        coordinates.addElement(cp);
                        }
                }

                // and emit them
                System.out.println("\t\t\t\tcoord Coordinate {");
                System.out.println("\t\t\t\t\tpoint [");
                for (int k = 0; k < coordinates.size(); ++k) {
                        ControlPoint pt = (ControlPoint) coordinates.elementAt(k);
                        System.out.println("\t\t\t\t\t\t"
                            + pt.getX() + " " + pt.getY() + " " + pt.getZ()
                            + "  # " + pt.getCPID());
                }
                System.out.println("\t\t\t\t\t]");
                System.out.println("\t\t\t\t}");

                System.out.println("\t\t\t\tcoordIndex [");
                for (int i = 0; i < seg.getNumberOfSplines(); ++i) {
                        Spline spline = seg.getSpline(i);
                        int firstpoint = 0;
                        boolean lastlooped = false;
                        System.out.print("\t\t\t\t\t\t");
                        for (int j = 0; j < spline.getNumberOfControlPoints(); ++j) {
                                ControlPoint cp = spline.getControlPoint(j);
                                lastlooped = cp.isLooped();
                                while (cp.isAttached())
                                        cp = seg.findControlPoint(cp.getAttachedCPID());
                                int n = coordinates.indexOf(cp);
                                System.out.print(n + " ");
                                if (j == 0)
                                        firstpoint = n;
                        }
                        if (lastlooped)
                                System.out.print(firstpoint + " ");
                        System.out.println("-1");
                }
                System.out.println("\t\t\t\t]");

                System.out.println("\t\t\t}");
                System.out.println("\t\t}");
                System.out.println("\t]");
                System.out.println("}");
                }
                catch (IOException e) { System.out.println(e); }
                catch (HashSyntaxException e) { System.out.println(e); }

        }
}