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CustomParser.java

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/*******************************************************************************
 * Copyright (c) 2012 Stefan Profanter. All rights reserved. This program and the accompanying
 * materials are made available under the terms of the GNU Public License v3.0 which accompanies
 * this distribution, and is available at http://www.gnu.org/licenses/gpl.html
 * 
 * Contributors: Stefan Profanter - initial API and implementation, Year: 2012
 ******************************************************************************/
package edu.tum.cs.vis.model.parser;

import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.FileInputStream;
import java.io.InputStreamReader;

import edu.tum.cs.vis.model.util.Group;
import edu.tum.cs.vis.model.util.Mesh;
import edu.tum.cs.vis.model.util.Triangle;
import edu.tum.cs.vis.model.util.Vertex;

public class CustomParser extends ModelParser {

        /* (non-Javadoc)
         * @see edu.tum.cs.vis.model.parser.ModelParser#loadModel(java.lang.String)
         */
        @Override
        protected boolean loadModel(String filename) {
                try {
                        // Open the file that is the first
                        // command line parameter
                        FileInputStream fstream = new FileInputStream(filename);
                        // Get the object of DataInputStream
                        DataInputStream in = new DataInputStream(fstream);
                        BufferedReader br = new BufferedReader(new InputStreamReader(in));
                        String strLine;

                        Group g = new Group(model);
                        model.setGroup(g);
                        Mesh m = new Mesh();
                        g.setMesh(m);

                        boolean isTriangles = false;
                        // Read File Line By Line
                        while ((strLine = br.readLine()) != null) {
                                if (strLine.compareTo("#") == 0)
                                        isTriangles = true;
                                else {
                                        String[] parts = strLine.split("\t");

                                        if (!isTriangles) {
                                                if (parts.length != 5)
                                                        throw new RuntimeException("Vertex: invalid number of data: "
                                                                        + parts.length);

                                                float x = Float.valueOf(parts[0]);
                                                float y = Float.valueOf(parts[1]);
                                                float z = Float.valueOf(parts[2]);

                                                model.getVertices().add(new Vertex(x, y, z));
                                        } else {
                                                if (parts.length != 3)
                                                        throw new RuntimeException("Triangle: invalid number of data: "
                                                                        + parts.length);
                                                int p1 = Integer.valueOf(parts[0]);
                                                int p2 = Integer.valueOf(parts[1]);
                                                int p3 = Integer.valueOf(parts[2]);

                                                Triangle t = new Triangle();
                                                t.getPosition()[0] = model.getVertices().get(p1);
                                                t.getPosition()[1] = model.getVertices().get(p2);
                                                t.getPosition()[2] = model.getVertices().get(p3);

                                                t.updateCentroid();
                                                m.getTriangles().add(t);
                                        }
                                }

                        }
                        // Close the input stream
                        in.close();

                } catch (Exception e) {// Catch exception if any
                        System.err.println("Error: " + e.getMessage());
                        return false;
                }

                return true;

        }
}

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knowrob_cad_parser
Author(s): Stefan Profanter
autogenerated on Tue Mar 5 12:15:33 2013