Examples of com.eteks.sweethome3d.j3d.OBJWriter

  /**
   * Simple test of OBJWriter class with Java 3D objects.
   */
  public void testOBJWriter() throws IOException {
    // 1. Open the OBJ file "Test.obj"
    OBJWriter writer = new OBJWriter("Test@#.obj", "Test", 3);
    assertTrue("Test@#.obj not created", new File("Test@#.obj").exists());
    
    // 2. Write a box at center 
    writer.writeNode(new Box());
    
    // Write a sphere centered at (2, 0, 2) 
    Transform3D translation = new Transform3D();
    translation.setTranslation(new Vector3f(2f, 0, 2f));
    TransformGroup translationGroup = new TransformGroup(translation);
    
    translationGroup.addChild(new Sphere());
    writer.writeNode(translationGroup);
    
    // 3. Close file
    writer.close();
    assertTrue("Test@#.mtl not created", new File("Test@#.mtl").exists());
    
    if (!new File("Test@#.obj").delete()
        || !new File("Test@#.mtl").delete()) {
      fail("Couldn't delete test files");

  /**
   * Export to OBJ in a separate class to be able to run HomePane without Java 3D classes.
   */
  private static class OBJExporter {
    public static void exportHomeToFile(Home home, String objFile, String header) throws RecorderException {
      OBJWriter writer = null;
      boolean exportInterrupted = false;
      try {
        writer = new OBJWriter(objFile, header, -1);
  
        List<Selectable> emptySelection = Collections.emptyList();
        home.setSelectedItems(emptySelection);
        if (home.getWalls().size() > 0) {
          // Create a not alive new ground to be able to explore its coordinates without setting capabilities
          Rectangle2D homeBounds = getExportedHomeBounds(home);
          Ground3D groundNode = new Ground3D(home, 
              (float)homeBounds.getX(), (float)homeBounds.getY(), 
              (float)homeBounds.getWidth(), (float)homeBounds.getHeight(), true);
          writer.writeNode(groundNode, "ground");
        }
        
        // Write 3D walls 
        int i = 0;
        for (Wall wall : home.getWalls()) {
          // Create a not alive new wall to be able to explore its coordinates without setting capabilities 
          Wall3D wallNode = new Wall3D(wall, home, true, true);
          writer.writeNode(wallNode, "wall_" + ++i);
        }
        // Write 3D furniture 
        i = 0;
        for (HomePieceOfFurniture piece : home.getFurniture()) {
          if (piece.isVisible()) {
            // Create a not alive new piece to be able to explore its coordinates without setting capabilities
            HomePieceOfFurniture3D pieceNode = new HomePieceOfFurniture3D(piece, home, true, true);
            writer.writeNode(pieceNode);
          }
        }
        // Write 3D rooms 
        i = 0;
        for (Room room : home.getRooms()) {
          // Create a not alive new room to be able to explore its coordinates without setting capabilities 
          Room3D roomNode = new Room3D(room, home, false, true, true);
          writer.writeNode(roomNode, "room_" + ++i);
        }
      } catch (InterruptedIOException ex) {
        exportInterrupted = true;
        throw new InterruptedRecorderException("Export to " + objFile + " interrupted");
      } catch (IOException ex) {
        throw new RecorderException("Couldn't export to OBJ in " + objFile, ex);
      } finally {
        if (writer != null) {
          try {
            writer.close();
            // Delete the file if exporting is interrupted
            if (exportInterrupted) {
              new File(objFile).delete();
            }
          } catch (IOException ex) {

Examples of com.eteks.sweethome3d.j3d.OBJWriter

Related Classes of com.eteks.sweethome3d.j3d.OBJWriter