void writeNetCDF(String filename) {
   try {
     FileWriter2 writer = new FileWriter2(ds, filename, NetcdfFileWriter.Version.netcdf3);
     NetcdfFile result = writer.write();
     result.close();
     JOptionPane.showMessageDialog(this, "File successfully written");
   } catch (Exception ioe) {
     JOptionPane.showMessageDialog(this, "ERROR: " + ioe.getMessage());
     ioe.printStackTrace();
   }
 }
 public List<VariableBean> getVariableBeans(NetcdfFile ds) {
   List<VariableBean> vlist = new ArrayList<VariableBean>();
   for (Variable v : ds.getVariables()) {
     vlist.add(new VariableBean(v));
   }
   return vlist;
 }
  public void showAtts() {
    if (ds == null) return;
    if (attTable == null) {
      // global attributes
      attTable =
          new BeanTableSorted(
              AttributeBean.class, (PreferencesExt) prefs.node("AttributeBeans"), false);
      PopupMenu varPopup = new ucar.nc2.ui.widget.PopupMenu(attTable.getJTable(), "Options");
      varPopup.addAction(
          "Show Attribute",
          new AbstractAction() {
            public void actionPerformed(ActionEvent e) {
              AttributeBean bean = (AttributeBean) attTable.getSelectedBean();
              if (bean != null) {
                infoTA.setText(bean.att.toString());
                infoTA.gotoTop();
                infoWindow.show();
              }
            }
          });
      attWindow =
          new IndependentWindow("Global Attributes", BAMutil.getImage("netcdfUI"), attTable);
      attWindow.setBounds(
          (Rectangle) prefs.getBean("AttWindowBounds", new Rectangle(300, 100, 500, 800)));
    }

    List<AttributeBean> attlist = new ArrayList<AttributeBean>();
    for (Attribute att : ds.getGlobalAttributes()) {
      attlist.add(new AttributeBean(att));
    }
    attTable.setBeans(attlist);
    attWindow.show();
  }
  private void compareDataset(CompareDialog.Data data) {
    if (data.name == null) return;

    NetcdfFile compareFile = null;
    try {
      compareFile = NetcdfDataset.openFile(data.name, null);

      Formatter f = new Formatter();
      CompareNetcdf2 cn = new CompareNetcdf2(f, data.showCompare, data.showDetails, data.readData);
      if (data.howMuch == CompareDialog.HowMuch.All) cn.compare(ds, compareFile);
      else {
        NestedTable nested = nestedTableList.get(0);
        Variable org = getCurrentVariable(nested.table);
        if (org == null) return;
        Variable ov = compareFile.findVariable(org.getFullNameEscaped());
        if (ov != null) cn.compareVariable(org, ov);
      }

      infoTA.setText(f.toString());
      infoTA.gotoTop();
      infoWindow.setTitle("Compare");
      infoWindow.show();

    } catch (Throwable ioe) {
      ByteArrayOutputStream bos = new ByteArrayOutputStream(10000);
      ioe.printStackTrace(new PrintStream(bos));
      infoTA.setText(bos.toString());
      infoTA.gotoTop();
      infoWindow.show();

    } finally {
      if (compareFile != null)
        try {
          compareFile.close();
        } catch (Exception eek) {
        }
    }
  }