Formatting
[jalview.git] / src / jalview / gui / PCAPanel.java
index d7e0cd7..772e67e 100755 (executable)
@@ -1,6 +1,6 @@
 /*\r
  * Jalview - A Sequence Alignment Editor and Viewer\r
- * Copyright (C) 2006 AM Waterhouse, J Procter, G Barton, M Clamp, S Searle\r
+ * Copyright (C) 2007 AM Waterhouse, J Procter, G Barton, M Clamp, S Searle\r
  *\r
  * This program is free software; you can redistribute it and/or\r
  * modify it under the terms of the GNU General Public License\r
  */\r
 package jalview.gui;\r
 \r
-import jalview.analysis.*;\r
-\r
-import jalview.datamodel.*;\r
-\r
-import jalview.jbgui.*;\r
+import java.util.*;\r
 \r
 import java.awt.*;\r
 import java.awt.event.*;\r
-\r
-import java.util.*;\r
-import javax.swing.*;\r
 import java.awt.print.*;\r
+import javax.swing.*;\r
 \r
+import jalview.analysis.*;\r
+import jalview.datamodel.*;\r
+import jalview.jbgui.*;\r
 \r
 /**\r
  * DOCUMENT ME!\r
@@ -38,450 +35,450 @@ import java.awt.print.*;
  * @author $author$\r
  * @version $Revision$\r
  */\r
-public class PCAPanel extends GPCAPanel implements Runnable\r
+public class PCAPanel\r
+    extends GPCAPanel implements Runnable\r
 {\r
-    PCA pca;\r
-    int top;\r
-    RotatableCanvas rc;\r
-    AlignmentPanel ap;\r
-    AlignViewport av;\r
-    AlignmentView seqstrings;\r
-    SequenceI  [] seqs;\r
-\r
-    /**\r
-     * Creates a new PCAPanel object.\r
-     *\r
-     * @param av DOCUMENT ME!\r
-     * @param s DOCUMENT ME!\r
-     */\r
-    public PCAPanel(AlignmentPanel ap)\r
+  PCA pca;\r
+  int top;\r
+  RotatableCanvas rc;\r
+  AlignmentPanel ap;\r
+  AlignViewport av;\r
+  AlignmentView seqstrings;\r
+  SequenceI[] seqs;\r
+\r
+  /**\r
+   * Creates a new PCAPanel object.\r
+   *\r
+   * @param av DOCUMENT ME!\r
+   * @param s DOCUMENT ME!\r
+   */\r
+  public PCAPanel(AlignmentPanel ap)\r
+  {\r
+    this.av = ap.av;\r
+    this.ap = ap;\r
+\r
+    boolean sameLength = true;\r
+\r
+    seqstrings = av.getAlignmentView(av.getSelectionGroup() != null);\r
+    if (av.getSelectionGroup() == null)\r
     {\r
-        this.av = ap.av;\r
-        this.ap = ap;\r
-\r
-        boolean sameLength = true;\r
-\r
-        seqstrings = av.getAlignmentView(av.getSelectionGroup()!=null);\r
-        if(av.getSelectionGroup()==null)\r
-        {\r
-          seqs = av.alignment.getSequencesArray();\r
-        }\r
-        else\r
-        {\r
-          seqs = av.getSelectionGroup().getSequencesInOrder(av.alignment);\r
-        }\r
-        SeqCigar sq[]=seqstrings.getSequences();\r
-        int length = sq[0].getWidth();\r
-\r
-        for (int i = 0; i < seqs.length; i++)\r
-        {\r
-          if (sq[i].getWidth() != length)\r
-          {\r
-            sameLength = false;\r
-            break;\r
-          }\r
-        }\r
-\r
-        if (!sameLength)\r
-        {\r
-          JOptionPane.showMessageDialog(Desktop.desktop,\r
-                                        "The sequences must be aligned before calculating PCA.\n" +\r
-                                        "Try using the Pad function in the edit menu,\n" +\r
-                                        "or one of the multiple sequence alignment web services.",\r
-                                        "Sequences not aligned",\r
-                                        JOptionPane.WARNING_MESSAGE);\r
-\r
-          return;\r
-        }\r
+      seqs = av.alignment.getSequencesArray();\r
+    }\r
+    else\r
+    {\r
+      seqs = av.getSelectionGroup().getSequencesInOrder(av.alignment);\r
+    }\r
+    SeqCigar sq[] = seqstrings.getSequences();\r
+    int length = sq[0].getWidth();\r
 \r
+    for (int i = 0; i < seqs.length; i++)\r
+    {\r
+      if (sq[i].getWidth() != length)\r
+      {\r
+        sameLength = false;\r
+        break;\r
+      }\r
+    }\r
 \r
-        Desktop.addInternalFrame(this, "Principal component analysis",\r
-                               400, 400);\r
+    if (!sameLength)\r
+    {\r
+      JOptionPane.showMessageDialog(Desktop.desktop,\r
+                                    "The sequences must be aligned before calculating PCA.\n" +\r
+                                    "Try using the Pad function in the edit menu,\n" +\r
+                                    "or one of the multiple sequence alignment web services.",\r
+                                    "Sequences not aligned",\r
+                                    JOptionPane.WARNING_MESSAGE);\r
+\r
+      return;\r
+    }\r
 \r
+    Desktop.addInternalFrame(this, "Principal component analysis",\r
+                             400, 400);\r
 \r
+    PaintRefresher.Register(this, av.getSequenceSetId());\r
 \r
-        PaintRefresher.Register(this, av.getSequenceSetId());\r
+    rc = new RotatableCanvas(ap);\r
+    this.getContentPane().add(rc, BorderLayout.CENTER);\r
+    Thread worker = new Thread(this);\r
+    worker.start();\r
+  }\r
 \r
-        rc = new RotatableCanvas(ap);\r
-        this.getContentPane().add(rc, BorderLayout.CENTER);\r
-        Thread worker = new Thread(this);\r
-        worker.start();\r
-    }\r
+  public void bgcolour_actionPerformed(ActionEvent e)\r
+  {\r
+    Color col = JColorChooser.showDialog(this, "Select Background Colour",\r
+                                         rc.bgColour);\r
 \r
-    public void bgcolour_actionPerformed(ActionEvent e)\r
+    if (col != null)\r
     {\r
-      Color col = JColorChooser.showDialog(this, "Select Background Colour",\r
-                rc.bgColour);\r
-\r
-      if(col!=null)\r
-        rc.bgColour = col;\r
-      rc.repaint();\r
+      rc.bgColour = col;\r
     }\r
+    rc.repaint();\r
+  }\r
 \r
-\r
-\r
-\r
-    /**\r
-     * DOCUMENT ME!\r
-     */\r
-    public void run()\r
+  /**\r
+   * DOCUMENT ME!\r
+   */\r
+  public void run()\r
+  {\r
+    try\r
     {\r
-      try{\r
-        pca = new PCA(seqstrings.getSequenceStrings(' '));\r
-        pca.run();\r
+      pca = new PCA(seqstrings.getSequenceStrings(' '));\r
+      pca.run();\r
 \r
-        // Now find the component coordinates\r
-        int ii = 0;\r
+      // Now find the component coordinates\r
+      int ii = 0;\r
 \r
-        while ( (ii < seqs.length) && (seqs[ii] != null))\r
-        {\r
-          ii++;\r
-        }\r
+      while ( (ii < seqs.length) && (seqs[ii] != null))\r
+      {\r
+        ii++;\r
+      }\r
 \r
-        double[][] comps = new double[ii][ii];\r
+      double[][] comps = new double[ii][ii];\r
 \r
-        for (int i = 0; i < ii; i++)\r
+      for (int i = 0; i < ii; i++)\r
+      {\r
+        if (pca.getEigenvalue(i) > 1e-4)\r
         {\r
-          if (pca.getEigenvalue(i) > 1e-4)\r
-          {\r
-            comps[i] = pca.component(i);\r
-          }\r
+          comps[i] = pca.component(i);\r
         }\r
+      }\r
 \r
-        //////////////////\r
-        xCombobox.setSelectedIndex(0);\r
-        yCombobox.setSelectedIndex(1);\r
-        zCombobox.setSelectedIndex(2);\r
-\r
-        top = pca.getM().rows - 1;\r
-\r
-        Vector points = new Vector();\r
-        float[][] scores = pca.getComponents(top - 1, top - 2, top - 3, 100);\r
-\r
-        for (int i = 0; i < pca.getM().rows; i++)\r
-        {\r
-          SequencePoint sp = new SequencePoint(seqs[i], scores[i]);\r
-          points.addElement(sp);\r
-        }\r
+      //////////////////\r
+      xCombobox.setSelectedIndex(0);\r
+      yCombobox.setSelectedIndex(1);\r
+      zCombobox.setSelectedIndex(2);\r
 \r
-        rc.setPoints(points, pca.getM().rows);\r
-        rc.repaint();\r
+      top = pca.getM().rows - 1;\r
 \r
-        addKeyListener(rc);\r
+      Vector points = new Vector();\r
+      float[][] scores = pca.getComponents(top - 1, top - 2, top - 3, 100);\r
 \r
+      for (int i = 0; i < pca.getM().rows; i++)\r
+      {\r
+        SequencePoint sp = new SequencePoint(seqs[i], scores[i]);\r
+        points.addElement(sp);\r
       }\r
-     catch(OutOfMemoryError er)\r
-      { JOptionPane.showInternalMessageDialog(Desktop.desktop,\r
-                                              "Out of memory calculating PCA!!"\r
-                                              +\r
-                                              "\nSee help files for increasing Java Virtual Machine memory."\r
-                                              , "Out of memory",\r
-                                              JOptionPane.WARNING_MESSAGE);\r
-        System.out.println("PCAPanel: "+er);\r
-        System.gc();\r
 \r
-      }\r
+      rc.setPoints(points, pca.getM().rows);\r
+      rc.repaint();\r
 \r
-    }\r
+      addKeyListener(rc);\r
 \r
-    /**\r
-     * DOCUMENT ME!\r
-     */\r
-    void doDimensionChange()\r
+    }\r
+    catch (OutOfMemoryError er)\r
     {\r
-        if (top == 0)\r
-        {\r
-            return;\r
-        }\r
-\r
-        int dim1 = top - xCombobox.getSelectedIndex();\r
-        int dim2 = top - yCombobox.getSelectedIndex();\r
-        int dim3 = top - zCombobox.getSelectedIndex();\r
+      JOptionPane.showInternalMessageDialog(Desktop.desktop,\r
+                                            "Out of memory calculating PCA!!"\r
+                                            +\r
+                                            "\nSee help files for increasing Java Virtual Machine memory."\r
+                                            , "Out of memory",\r
+                                            JOptionPane.WARNING_MESSAGE);\r
+      System.out.println("PCAPanel: " + er);\r
+      System.gc();\r
 \r
-        float[][] scores = pca.getComponents(dim1, dim2, dim3, 100);\r
-\r
-        for (int i = 0; i < pca.getM().rows; i++)\r
-        {\r
-            ((SequencePoint) rc.points.elementAt(i)).coord = scores[i];\r
-        }\r
-\r
-        rc.img = null;\r
-        rc.rotmat.setIdentity();\r
-        rc.initAxes();\r
-        rc.paint(rc.getGraphics());\r
     }\r
 \r
-    /**\r
-     * DOCUMENT ME!\r
-     *\r
-     * @param e DOCUMENT ME!\r
-     */\r
-    protected void xCombobox_actionPerformed(ActionEvent e)\r
-    {\r
-        doDimensionChange();\r
-    }\r
+  }\r
 \r
-    /**\r
-     * DOCUMENT ME!\r
-     *\r
-     * @param e DOCUMENT ME!\r
-     */\r
-    protected void yCombobox_actionPerformed(ActionEvent e)\r
+  /**\r
+   * DOCUMENT ME!\r
+   */\r
+  void doDimensionChange()\r
+  {\r
+    if (top == 0)\r
     {\r
-        doDimensionChange();\r
+      return;\r
     }\r
 \r
-    /**\r
-     * DOCUMENT ME!\r
-     *\r
-     * @param e DOCUMENT ME!\r
-     */\r
-    protected void zCombobox_actionPerformed(ActionEvent e)\r
+    int dim1 = top - xCombobox.getSelectedIndex();\r
+    int dim2 = top - yCombobox.getSelectedIndex();\r
+    int dim3 = top - zCombobox.getSelectedIndex();\r
+\r
+    float[][] scores = pca.getComponents(dim1, dim2, dim3, 100);\r
+\r
+    for (int i = 0; i < pca.getM().rows; i++)\r
     {\r
-        doDimensionChange();\r
+      ( (SequencePoint) rc.points.elementAt(i)).coord = scores[i];\r
     }\r
 \r
+    rc.img = null;\r
+    rc.rotmat.setIdentity();\r
+    rc.initAxes();\r
+    rc.paint(rc.getGraphics());\r
+  }\r
 \r
-    public void outputValues_actionPerformed(ActionEvent e)\r
-    {\r
-      CutAndPasteTransfer cap = new CutAndPasteTransfer();\r
-      Desktop.addInternalFrame(cap, "PCA details", 500,\r
-                500);\r
+  /**\r
+   * DOCUMENT ME!\r
+   *\r
+   * @param e DOCUMENT ME!\r
+   */\r
+  protected void xCombobox_actionPerformed(ActionEvent e)\r
+  {\r
+    doDimensionChange();\r
+  }\r
 \r
-      cap.setText(pca.getDetails());\r
-     }\r
+  /**\r
+   * DOCUMENT ME!\r
+   *\r
+   * @param e DOCUMENT ME!\r
+   */\r
+  protected void yCombobox_actionPerformed(ActionEvent e)\r
+  {\r
+    doDimensionChange();\r
+  }\r
 \r
-    public void showLabels_actionPerformed(ActionEvent e)\r
-    {\r
-      rc.showLabels(showLabels.getState());\r
-    }\r
+  /**\r
+   * DOCUMENT ME!\r
+   *\r
+   * @param e DOCUMENT ME!\r
+   */\r
+  protected void zCombobox_actionPerformed(ActionEvent e)\r
+  {\r
+    doDimensionChange();\r
+  }\r
 \r
-    public void print_actionPerformed(ActionEvent e)\r
+  public void outputValues_actionPerformed(ActionEvent e)\r
+  {\r
+    CutAndPasteTransfer cap = new CutAndPasteTransfer();\r
+    Desktop.addInternalFrame(cap, "PCA details", 500,\r
+                             500);\r
+\r
+    cap.setText(pca.getDetails());\r
+  }\r
+\r
+  public void showLabels_actionPerformed(ActionEvent e)\r
+  {\r
+    rc.showLabels(showLabels.getState());\r
+  }\r
+\r
+  public void print_actionPerformed(ActionEvent e)\r
+  {\r
+    PCAPrinter printer = new PCAPrinter();\r
+    printer.start();\r
+  }\r
+\r
+  public void originalSeqData_actionPerformed(ActionEvent e)\r
+  {\r
+    // this was cut'n'pasted from the equivalent TreePanel method - we should make this an abstract function of all jalview analysis windows\r
+    if (seqstrings == null)\r
     {\r
-      PCAPrinter printer = new PCAPrinter();\r
-      printer.start();\r
+      jalview.bin.Cache.log.info("Unexpected call to originalSeqData_actionPerformed - should have hidden this menu action.");\r
+      return;\r
     }\r
-\r
-    public void originalSeqData_actionPerformed(ActionEvent e)\r
+    // decide if av alignment is sufficiently different to original data to warrant a new window to be created\r
+    // create new alignmnt window with hidden regions (unhiding hidden regions yields unaligned seqs)\r
+    // or create a selection box around columns in alignment view\r
+    // test Alignment(SeqCigar[])\r
+    Object[] alAndColsel = seqstrings.getAlignmentAndColumnSelection(av.\r
+        getGapCharacter());\r
+\r
+    if (alAndColsel != null && alAndColsel[0] != null)\r
     {\r
-      // this was cut'n'pasted from the equivalent TreePanel method - we should make this an abstract function of all jalview analysis windows\r
-      if (seqstrings==null)\r
+      // AlignmentOrder origorder = new AlignmentOrder(alAndColsel[0]);\r
+\r
+      Alignment al = new Alignment( (SequenceI[]) alAndColsel[0]);\r
+      Alignment dataset = av.getAlignment().getDataset();\r
+      if (dataset != null)\r
       {\r
-        jalview.bin.Cache.log.info("Unexpected call to originalSeqData_actionPerformed - should have hidden this menu action.");\r
-        return;\r
+        al.setDataset(dataset);\r
       }\r
-      // decide if av alignment is sufficiently different to original data to warrant a new window to be created\r
-      // create new alignmnt window with hidden regions (unhiding hidden regions yields unaligned seqs)\r
-      // or create a selection box around columns in alignment view\r
-      // test Alignment(SeqCigar[])\r
-      Object[] alAndColsel = seqstrings.getAlignmentAndColumnSelection(av.\r
-          getGapCharacter());\r
 \r
-\r
-      if (alAndColsel != null && alAndColsel[0]!=null)\r
+      if (true)\r
       {\r
-          // AlignmentOrder origorder = new AlignmentOrder(alAndColsel[0]);\r
-\r
-          Alignment al = new Alignment((SequenceI[]) alAndColsel[0]);\r
-          Alignment dataset = av.getAlignment().getDataset();\r
-          if (dataset != null)\r
-          {\r
-            al.setDataset(dataset);\r
-          }\r
-\r
-          if (true)\r
-          {\r
-              // make a new frame!\r
-              AlignFrame af = new AlignFrame(al, (ColumnSelection) alAndColsel[1],\r
-                                           AlignFrame.DEFAULT_WIDTH,\r
-                                           AlignFrame.DEFAULT_HEIGHT\r
-);\r
-\r
-              //>>>This is a fix for the moment, until a better solution is found!!<<<\r
-              // af.getFeatureRenderer().transferSettings(alignFrame.getFeatureRenderer());\r
-\r
-              //           af.addSortByOrderMenuItem(ServiceName + " Ordering",\r
-              //                                     msaorder);\r
-\r
-              Desktop.addInternalFrame(af, "Original Data for " + this.title,\r
+        // make a new frame!\r
+        AlignFrame af = new AlignFrame(al, (ColumnSelection) alAndColsel[1],\r
                                        AlignFrame.DEFAULT_WIDTH,\r
-                                       AlignFrame.DEFAULT_HEIGHT);\r
-            }\r
-          }\r
-          /*      CutAndPasteTransfer cap = new CutAndPasteTransfer();\r
-                 for (int i = 0; i < seqs.length; i++)\r
-                 {\r
-                   cap.appendText(new jalview.util.Format("%-" + 15 + "s").form(\r
-            seqs[i].getName()));\r
-                   cap.appendText(" " + seqstrings[i] + "\n");\r
-\r
-                 }\r
-\r
-                 Desktop.addInternalFrame(cap, "Original Data",\r
-                     400, 400);\r
-           */\r
+                                       AlignFrame.DEFAULT_HEIGHT\r
+            );\r
+\r
+        //>>>This is a fix for the moment, until a better solution is found!!<<<\r
+        // af.getFeatureRenderer().transferSettings(alignFrame.getFeatureRenderer());\r
+\r
+        //           af.addSortByOrderMenuItem(ServiceName + " Ordering",\r
+        //                                     msaorder);\r
+\r
+        Desktop.addInternalFrame(af, "Original Data for " + this.title,\r
+                                 AlignFrame.DEFAULT_WIDTH,\r
+                                 AlignFrame.DEFAULT_HEIGHT);\r
+      }\r
     }\r
+    /*      CutAndPasteTransfer cap = new CutAndPasteTransfer();\r
+           for (int i = 0; i < seqs.length; i++)\r
+           {\r
+             cap.appendText(new jalview.util.Format("%-" + 15 + "s").form(\r
+      seqs[i].getName()));\r
+             cap.appendText(" " + seqstrings[i] + "\n");\r
 \r
+           }\r
 \r
+           Desktop.addInternalFrame(cap, "Original Data",\r
+               400, 400);\r
+     */\r
+  }\r
 \r
-    class PCAPrinter extends Thread implements Printable\r
+  class PCAPrinter\r
+      extends Thread implements Printable\r
+  {\r
+    public void run()\r
     {\r
-      public void run()\r
-      {\r
-        PrinterJob printJob = PrinterJob.getPrinterJob();\r
-        PageFormat pf = printJob.pageDialog(printJob.defaultPage());\r
+      PrinterJob printJob = PrinterJob.getPrinterJob();\r
+      PageFormat pf = printJob.pageDialog(printJob.defaultPage());\r
 \r
-        printJob.setPrintable(this, pf);\r
+      printJob.setPrintable(this, pf);\r
 \r
-        if (printJob.printDialog())\r
+      if (printJob.printDialog())\r
+      {\r
+        try\r
+        {\r
+          printJob.print();\r
+        }\r
+        catch (Exception PrintException)\r
         {\r
-          try\r
-          {\r
-            printJob.print();\r
-          }\r
-          catch (Exception PrintException)\r
-          {\r
-            PrintException.printStackTrace();\r
-          }\r
+          PrintException.printStackTrace();\r
         }\r
       }\r
+    }\r
 \r
-      public int print(Graphics pg, PageFormat pf, int pi)\r
-          throws PrinterException\r
-      {\r
-        pg.translate( (int) pf.getImageableX(), (int) pf.getImageableY());\r
+    public int print(Graphics pg, PageFormat pf, int pi)\r
+        throws PrinterException\r
+    {\r
+      pg.translate( (int) pf.getImageableX(), (int) pf.getImageableY());\r
 \r
-        rc.drawBackground(pg, rc.bgColour);\r
-        rc.drawScene(pg);\r
-        if (rc.drawAxes == true)\r
-        {\r
-          rc.drawAxes(pg);\r
-        }\r
+      rc.drawBackground(pg, rc.bgColour);\r
+      rc.drawScene(pg);\r
+      if (rc.drawAxes == true)\r
+      {\r
+        rc.drawAxes(pg);\r
+      }\r
 \r
-        if (pi == 0)\r
-          return Printable.PAGE_EXISTS;\r
-        else\r
-          return Printable.NO_SUCH_PAGE;\r
+      if (pi == 0)\r
+      {\r
+        return Printable.PAGE_EXISTS;\r
+      }\r
+      else\r
+      {\r
+        return Printable.NO_SUCH_PAGE;\r
       }\r
     }\r
+  }\r
 \r
+  /**\r
+   * DOCUMENT ME!\r
+   *\r
+   * @param e DOCUMENT ME!\r
+   */\r
+  public void eps_actionPerformed(ActionEvent e)\r
+  {\r
+    makePCAImage(jalview.util.ImageMaker.EPS);\r
+  }\r
 \r
+  /**\r
+   * DOCUMENT ME!\r
+   *\r
+   * @param e DOCUMENT ME!\r
+   */\r
+  public void png_actionPerformed(ActionEvent e)\r
+  {\r
+    makePCAImage(jalview.util.ImageMaker.PNG);\r
+  }\r
 \r
-    /**\r
-     * DOCUMENT ME!\r
-     *\r
-     * @param e DOCUMENT ME!\r
-     */\r
-    public void eps_actionPerformed(ActionEvent e)\r
-    {\r
-      makePCAImage(jalview.util.ImageMaker.EPS);\r
-    }\r
+  void makePCAImage(int type)\r
+  {\r
+    int width = rc.getWidth();\r
+    int height = rc.getHeight();\r
 \r
-    /**\r
-     * DOCUMENT ME!\r
-     *\r
-     * @param e DOCUMENT ME!\r
-     */\r
-    public void png_actionPerformed(ActionEvent e)\r
-    {\r
-       makePCAImage(jalview.util.ImageMaker.PNG);\r
-    }\r
+    jalview.util.ImageMaker im;\r
 \r
-    void makePCAImage(int type)\r
+    if (type == jalview.util.ImageMaker.PNG)\r
     {\r
-      int width = rc.getWidth();\r
-      int height = rc.getHeight();\r
-\r
-      jalview.util.ImageMaker im;\r
-\r
-      if(type == jalview.util.ImageMaker.PNG)\r
-        im = new jalview.util.ImageMaker(this,\r
-                                         jalview.util.ImageMaker.PNG,\r
-                                         "Make PNG image from PCA",\r
-                                         width, height,\r
-                                         null, null);\r
-        else\r
-          im = new jalview.util.ImageMaker(this,\r
-                                 jalview.util.ImageMaker.EPS,\r
-                                 "Make EPS file from PCA",\r
-                                 width, height,\r
-                                 null, this.getTitle());\r
-\r
-      if(im.getGraphics()!=null)\r
-       {\r
-         rc.drawBackground(im.getGraphics(), Color.black);\r
-         rc.drawScene(im.getGraphics());\r
-         if (rc.drawAxes == true)\r
-         {\r
-           rc.drawAxes(im.getGraphics());\r
-         }\r
-         im.writeImage();\r
-       }\r
+      im = new jalview.util.ImageMaker(this,\r
+                                       jalview.util.ImageMaker.PNG,\r
+                                       "Make PNG image from PCA",\r
+                                       width, height,\r
+                                       null, null);\r
     }\r
-\r
-\r
-    public void viewMenu_menuSelected()\r
+    else\r
     {\r
-      buildAssociatedViewMenu();\r
+      im = new jalview.util.ImageMaker(this,\r
+                                       jalview.util.ImageMaker.EPS,\r
+                                       "Make EPS file from PCA",\r
+                                       width, height,\r
+                                       null, this.getTitle());\r
     }\r
 \r
-\r
-    void buildAssociatedViewMenu()\r
+    if (im.getGraphics() != null)\r
     {\r
-      AlignmentPanel [] aps = PaintRefresher.getAssociatedPanels(av.getSequenceSetId());\r
-      if(aps.length==1 && rc.av ==aps[0].av)\r
+      rc.drawBackground(im.getGraphics(), Color.black);\r
+      rc.drawScene(im.getGraphics());\r
+      if (rc.drawAxes == true)\r
       {\r
-        associateViewsMenu.setVisible(false);\r
-        return;\r
-      }\r
-\r
-      associateViewsMenu.setVisible(true);\r
-\r
-      if( (viewMenu.getItem(viewMenu.getItemCount()-2) instanceof JMenuItem))\r
-      {\r
-        viewMenu.insertSeparator(viewMenu.getItemCount()-1);\r
+        rc.drawAxes(im.getGraphics());\r
       }\r
+      im.writeImage();\r
+    }\r
+  }\r
 \r
-      associateViewsMenu.removeAll();\r
+  public void viewMenu_menuSelected()\r
+  {\r
+    buildAssociatedViewMenu();\r
+  }\r
 \r
+  void buildAssociatedViewMenu()\r
+  {\r
+    AlignmentPanel[] aps = PaintRefresher.getAssociatedPanels(av.\r
+        getSequenceSetId());\r
+    if (aps.length == 1 && rc.av == aps[0].av)\r
+    {\r
+      associateViewsMenu.setVisible(false);\r
+      return;\r
+    }\r
 \r
-      JRadioButtonMenuItem item;\r
-      ButtonGroup buttonGroup = new ButtonGroup();\r
-      int i, iSize = aps.length;\r
-      final PCAPanel thisPCAPanel = this;\r
-      for(i=0; i<iSize; i++)\r
-      {\r
-          final AlignmentPanel ap = aps[i];\r
-          item = new JRadioButtonMenuItem(ap.av.viewName, ap.av==rc.av );\r
-          buttonGroup.add(item);\r
-          item.addActionListener(new ActionListener()\r
-              {\r
-                public void actionPerformed(ActionEvent evt)\r
-                {\r
-                  rc.applyToAllViews = false;\r
-                  rc.av = ap.av;\r
-                  rc.ap = ap;\r
-                  PaintRefresher.Register(thisPCAPanel, ap.av.getSequenceSetId());\r
-                }\r
-              });\r
-\r
-          associateViewsMenu.add(item);\r
-      }\r
+    associateViewsMenu.setVisible(true);\r
 \r
-      final JRadioButtonMenuItem itemf = new JRadioButtonMenuItem("All Views");\r
+    if ( (viewMenu.getItem(viewMenu.getItemCount() - 2) instanceof JMenuItem))\r
+    {\r
+      viewMenu.insertSeparator(viewMenu.getItemCount() - 1);\r
+    }\r
 \r
-      buttonGroup.add(itemf);\r
+    associateViewsMenu.removeAll();\r
 \r
-      itemf.setSelected(rc.applyToAllViews);\r
-      itemf.addActionListener(new ActionListener()\r
+    JRadioButtonMenuItem item;\r
+    ButtonGroup buttonGroup = new ButtonGroup();\r
+    int i, iSize = aps.length;\r
+    final PCAPanel thisPCAPanel = this;\r
+    for (i = 0; i < iSize; i++)\r
+    {\r
+      final AlignmentPanel ap = aps[i];\r
+      item = new JRadioButtonMenuItem(ap.av.viewName, ap.av == rc.av);\r
+      buttonGroup.add(item);\r
+      item.addActionListener(new ActionListener()\r
       {\r
         public void actionPerformed(ActionEvent evt)\r
         {\r
-          rc.applyToAllViews = itemf.isSelected();\r
+          rc.applyToAllViews = false;\r
+          rc.av = ap.av;\r
+          rc.ap = ap;\r
+          PaintRefresher.Register(thisPCAPanel, ap.av.getSequenceSetId());\r
         }\r
       });\r
-      associateViewsMenu.add(itemf);\r
 \r
+      associateViewsMenu.add(item);\r
     }\r
 \r
+    final JRadioButtonMenuItem itemf = new JRadioButtonMenuItem("All Views");\r
+\r
+    buttonGroup.add(itemf);\r
+\r
+    itemf.setSelected(rc.applyToAllViews);\r
+    itemf.addActionListener(new ActionListener()\r
+    {\r
+      public void actionPerformed(ActionEvent evt)\r
+      {\r
+        rc.applyToAllViews = itemf.isSelected();\r
+      }\r
+    });\r
+    associateViewsMenu.add(itemf);\r
+\r
   }\r
+\r
+}\r