/**
     * Put a projection in the dialog for editing
     *
     * @param projClass projection class
     * @param proj projection
     */
    private void putProjInDialog(ProjectionClass projClass, Projection proj) {
      //      nameTF.setText (proj.getName().trim());

      for (int i = 0; i < projClass.paramList.size(); i++) {
        ProjectionParam pp = (ProjectionParam) projClass.paramList.get(i);
        // fetch the value from the projection object
        Double value;
        try {
          if (debugBeans) {
            System.out.println("Projection putProjInDialog invoke reader on " + pp);
          }
          value = (Double) pp.reader.invoke(proj, VOIDOBJECTARG);
          if (debugBeans) {
            System.out.println("Projection putProjInDialog value " + value);
          }
        } catch (Exception ee) {
          System.err.println(
              "ProjectionManager: putProjInDialog failed "
                  + " invoking read "
                  + pp.name
                  + " class "
                  + projClass);
          continue;
        }
        String valstr = Format.d(value.doubleValue(), 5);
        pp.getTextField().setText(valstr);
      }
    }
    /**
     * Set the projection from the dialog properties
     *
     * @param projClass projection class
     * @param proj projection
     */
    private void setProjFromDialog(ProjectionClass projClass, ProjectionImpl proj) {
      proj.setName(nameTF.getText().trim());

      for (int i = 0; i < projClass.paramList.size(); i++) {
        ProjectionParam pp = (ProjectionParam) projClass.paramList.get(i);
        // fetch the value from the projection object
        try {
          String valstr = pp.getTextField().getText();
          Double valdub = new Double(valstr);
          Object[] args = {valdub};
          if (debugBeans) {
            System.out.println("Projection setProjFromDialog invoke writer on " + pp);
          }
          pp.writer.invoke(proj, args);
        } catch (Exception ee) {
          System.err.println(
              "ProjectionManager: setProjParams failed "
                  + " invoking write "
                  + pp.name
                  + " class "
                  + projClass);
          continue;
        }
      }
    }
    /**
     * Set the fields from the ProjectionClass
     *
     * @param projClass projection class to use
     */
    private void setFieldsWithClassParams(ProjectionClass projClass) {

      // set the projection in the JComboBox
      String want = projClass.toString();
      for (int i = 0; i < projClassCB.getItemCount(); i++) {
        ProjectionClass pc = (ProjectionClass) projClassCB.getItemAt(i);
        if (pc.toString().equals(want)) {
          projClassCB.setSelectedItem((Object) pc);
          break;
        }
      }

      // set the parameter fields
      paramPanel.removeAll();
      paramPanel.setVisible(0 < projClass.paramList.size());

      List widgets = new ArrayList();
      for (int i = 0; i < projClass.paramList.size(); i++) {
        ProjectionParam pp = (ProjectionParam) projClass.paramList.get(i);
        // construct the label
        String name = pp.name;
        String text = "";
        // Create a decent looking label
        for (int cIdx = 0; cIdx < name.length(); cIdx++) {
          char c = name.charAt(cIdx);
          if (cIdx == 0) {
            c = Character.toUpperCase(c);
          } else {
            if (Character.isUpperCase(c)) {
              text += " ";
              c = Character.toLowerCase(c);
            }
          }
          text += c;
        }
        widgets.add(GuiUtils.rLabel(text + ": "));
        // text input field
        JTextField tf = new JTextField();
        pp.setTextField(tf);
        tf.setColumns(12);
        widgets.add(tf);
      }
      GuiUtils.tmpInsets = new Insets(4, 4, 4, 4);
      JPanel widgetPanel = GuiUtils.doLayout(widgets, 2, GuiUtils.WT_N, GuiUtils.WT_N);

      paramPanel.add("North", widgetPanel);
      paramPanel.add("Center", GuiUtils.filler());
    }