diff --git a/src/java/com/threerings/miso/client/Cluster.java b/src/java/com/threerings/miso/client/Cluster.java
index 075db7b1c..a4813096b 100644
--- a/src/java/com/threerings/miso/client/Cluster.java
+++ b/src/java/com/threerings/miso/client/Cluster.java
@@ -1,10 +1,12 @@
 //
-// $Id: Cluster.java,v 1.1 2001/08/10 01:31:25 shaper Exp $
+// $Id: Cluster.java,v 1.2 2001/08/10 21:17:07 shaper Exp $
 
 package com.threerings.miso.scene;
 
 import java.util.ArrayList;
 
+import com.samskivert.util.StringUtil;
+
 /**
  * A <code>Cluster</code> is a gathering of <code>Location</code> objects
  * that represent a logical grouping for the purposes of display and
@@ -72,6 +74,14 @@ public class Cluster
 	return _locations;
     }
 
+    /**
+     * Return a string representation of this object.
+     */
+    public String toString ()
+    {
+	return StringUtil.toString(_locations);
+    }
+
     /** The list of locations in this cluster. */
     protected ArrayList _locations;
 }
diff --git a/src/java/com/threerings/miso/client/ClusterUtil.java b/src/java/com/threerings/miso/client/ClusterUtil.java
index 06d73474a..aff68222e 100644
--- a/src/java/com/threerings/miso/client/ClusterUtil.java
+++ b/src/java/com/threerings/miso/client/ClusterUtil.java
@@ -1,5 +1,5 @@
 //
-// $Id: ClusterUtil.java,v 1.1 2001/08/10 01:31:25 shaper Exp $
+// $Id: ClusterUtil.java,v 1.2 2001/08/10 21:17:07 shaper Exp $
 
 package com.threerings.miso.scene;
 
@@ -14,9 +14,27 @@ import com.threerings.miso.Log;
  */
 public class ClusterUtil
 {
+    /**
+     * Return the cluster index number the given location is in, or -1
+     * if the location is not in any cluster.
+     *
+     * @param clusters the cluster list.
+     * @param loc the location.
+     */
+    public static int getClusterIndex (ArrayList clusters, Location loc)
+    {
+	int size = clusters.size();
+	for (int ii = 0; ii < size; ii++) {
+	    Cluster cluster = (Cluster)clusters.get(ii);
+	    if (cluster.contains(loc)) return ii;
+	}
+	return -1;
+    }
+
     /**
      * Remove the given location from its cluster, if any.
      *
+     * @param clusters the cluster list.
      * @param loc the location.
      */
     public static void remove (ArrayList clusters, Location loc)
@@ -52,7 +70,7 @@ public class ClusterUtil
      * in the group, in which case a new cluster object will be created
      * that initially contains only the given location.
      *
-     * @param clusters the list of clusters.
+     * @param clusters the cluster list.
      * @param loc the location.
      * @param clusteridx the cluster index, or -1 to remove the location
      *                   from any cluster.
diff --git a/src/java/com/threerings/miso/client/DisplayMisoSceneImpl.java b/src/java/com/threerings/miso/client/DisplayMisoSceneImpl.java
index 143f4765f..dd9b5ef52 100644
--- a/src/java/com/threerings/miso/client/DisplayMisoSceneImpl.java
+++ b/src/java/com/threerings/miso/client/DisplayMisoSceneImpl.java
@@ -1,5 +1,5 @@
 //
-// $Id: DisplayMisoSceneImpl.java,v 1.21 2001/08/10 01:31:25 shaper Exp $
+// $Id: DisplayMisoSceneImpl.java,v 1.22 2001/08/10 21:17:07 shaper Exp $
 
 package com.threerings.miso.scene;
 
@@ -104,11 +104,19 @@ public class Scene
         this.tiles = tiles;
     }
 
+    /**
+     * Return the cluster index number the given location is in, or -1
+     * if the location is not in any cluster.
+     *
+     * @param loc the location.
+     */
+    public int getClusterIndex (Location loc)
+    {
+	return ClusterUtil.getClusterIndex(_clusters, loc);
+    }
+
     public void updateLocation (int x, int y, int orient, int clusteridx)
     {
-	Log.info("updateLocation [x=" + x + ", y=" + y +
-		 ", orient=" + orient + ", clusteridx=" + clusteridx + "].");
-
 	// look the location up in our existing location list
 	int size = _locations.size();
 	Location loc = null;
diff --git a/src/java/com/threerings/miso/client/IsoSceneView.java b/src/java/com/threerings/miso/client/IsoSceneView.java
index 16e58d5ce..148caff64 100644
--- a/src/java/com/threerings/miso/client/IsoSceneView.java
+++ b/src/java/com/threerings/miso/client/IsoSceneView.java
@@ -1,5 +1,5 @@
 //
-// $Id: IsoSceneView.java,v 1.37 2001/08/10 01:31:25 shaper Exp $
+// $Id: IsoSceneView.java,v 1.38 2001/08/10 21:17:07 shaper Exp $
 
 package com.threerings.miso.scene;
 
@@ -64,8 +64,8 @@ public class IsoSceneView implements EditableSceneView
 
 	// clip the drawing region to our desired bounds since we
 	// currently draw tiles willy-nilly in undesirable areas.
-  	Shape oldclip = gfx.getClip();
-  	gfx.setClip(0, 0, _model.bounds.width, _model.bounds.height);
+    	Shape oldclip = gfx.getClip();
+    	gfx.setClip(0, 0, _model.bounds.width, _model.bounds.height);
 
 	if (_numDirty == 0) {
 	    // render the full scene
@@ -82,11 +82,13 @@ public class IsoSceneView implements EditableSceneView
 	    clearDirtyRegions();
 	}
 
-        // draw an outline around the highlighted tile
-        paintHighlightedTile(gfx, _htile.x, _htile.y);
+	// draw marks at each location
+	if (_model.showLocs) {
+	    paintLocations(gfx);
+	}
 
-	// draw an outline around the highlighted full coordinate
-	paintHighlightedFull(gfx, _hfull.x, _hfull.y);
+        // draw highlighted tiles and full coordinates
+	paintHighlights(gfx);
 
 	// restore the original clipping region
 	gfx.setClip(oldclip);
@@ -161,6 +163,11 @@ public class IsoSceneView implements EditableSceneView
 		// draw all sprites residing in the current tile
 		_spritemgr.renderSprites(gfx, poly);
 
+		// paint the tile coordinate if desired
+  		if (_model.showCoords) {
+                    paintCoords(gfx, xx, yy, poly.xpoints[0], poly.ypoints[0]);
+                }
+
 		// bail early if we know we've drawn all dirty tiles
 		if (++numDrawn == _numDirty) break;
 	    }
@@ -262,44 +269,86 @@ public class IsoSceneView implements EditableSceneView
     }
 
     /**
-     * Paint a highlight around the specified tile.
+     * Paint highlights around any highlighted tiles and fine coordinates.
      *
      * @param gfx the graphics context.
-     * @param x the tile x-position coordinate.
-     * @param y the tile y-position coordinate.
      */
-    protected void paintHighlightedTile (Graphics2D gfx, int x, int y)
+    protected void paintHighlights (Graphics2D gfx)
     {
-	if (x == -1 || y == -1) return;
+	// paint the highlighted tile
+	if (_htile.x != -1 && _htile.y != -1) {
+	    // set the desired stroke and color
+	    Stroke ostroke = gfx.getStroke();
+	    gfx.setStroke(_hstroke);
+	    gfx.setColor(Color.green);
 
-        // set the desired stroke and color
-	Stroke ostroke = gfx.getStroke();
-	gfx.setStroke(HLT_STROKE);
-	gfx.setColor(HLT_COLOR);
+	    // draw the tile outline
+	    gfx.draw(IsoUtil.getTilePolygon(_model, _htile.x, _htile.y));
 
-        // draw the tile outline
-        gfx.draw(IsoUtil.getTilePolygon(_model, x, y));
+	    // restore the original stroke
+	    gfx.setStroke(ostroke);
+	}
 
-        // restore the original stroke
-	gfx.setStroke(ostroke);
+	// paint the highlighted full coordinate
+	if (_hfull.x != -1 && _hfull.y != -1) {
+	    Point spos = new Point();
+	    IsoUtil.fullToScreen(_model, _hfull.x, _hfull.y, spos);
+
+	    // set the desired stroke and color
+	    Stroke ostroke = gfx.getStroke();
+	    gfx.setStroke(_hstroke);
+
+	    // draw a red circle at the coordinate
+	    gfx.setColor(Color.red);
+	    gfx.draw(new Ellipse2D.Float(spos.x - 1, spos.y - 1, 3, 3));
+
+	    // restore the original stroke
+	    gfx.setStroke(ostroke);
+	}
     }
 
     /**
-     * Paint a highlight around the specified full coordinate.
+     * Paint rectangular demarcations at all locations in the scene,
+     * with each location's cluster index, if any, along the right
+     * side of its rectangle.
      *
      * @param gfx the graphics context.
-     * @param x the full x-position coordinate.
-     * @param y the full y-position coordinate.
      */
-    protected void paintHighlightedFull (Graphics2D gfx, int x, int y)
+    protected void paintLocations (Graphics2D gfx)
     {
-	if (x == -1 || y == -1) return;
+	ArrayList locations = _scene.getLocations();
+	int size = locations.size();
+	for (int ii = 0; ii < size; ii++) {
 
-	Point spos = new Point();
-	IsoUtil.fullToScreen(_model, x, y, spos);
+	    // retrieve the location
+	    Location loc = (Location)locations.get(ii);
 
-	gfx.setColor(Color.red);
-	gfx.draw(new Ellipse2D.Float(spos.x, spos.y, 3, 3));
+	    // get the cluster index this location is in, if any
+	    int clusteridx = _scene.getClusterIndex(loc);
+
+	    Point spos = new Point();
+	    IsoUtil.fullToScreen(_model, loc.x, loc.y, spos);
+
+	    int cx = spos.x, cy = spos.y;
+
+	    // outline the location in multiple colors to make sure
+	    // it's visible atop the unknown smorgasbord of potential tiles
+	    gfx.setColor(Color.yellow);
+	    gfx.fillRect(cx - 1, cy - 1, 3, 3);
+
+	    gfx.setColor(Color.red);
+	    gfx.drawRect(cx - 2, cy - 2, 4, 4);
+
+	    gfx.setColor(Color.green);
+	    gfx.drawRect(cx - 3, cy - 3, 6, 6);
+
+	    if (clusteridx != -1) {
+		// draw the cluster index number on the right side
+		gfx.setFont(_font);
+		gfx.setColor(Color.white);
+		gfx.drawString("" + clusteridx, cx + 5, cy + 3);
+	    }
+	}
     }
 
     public void setHighlightedTile (int sx, int sy)
@@ -447,16 +496,6 @@ public class IsoSceneView implements EditableSceneView
 	_scene = scene;
     }
 
-    public boolean getShowCoordinates ()
-    {
-	return _model.showCoords;
-    }
-
-    public void setShowCoordinates (boolean show)
-    {
-	_model.showCoords = show;
-    }
-
     public void setTile (int x, int y, int lnum, Tile tile)
     {
 	Point tpos = new Point();
@@ -511,11 +550,8 @@ public class IsoSceneView implements EditableSceneView
 	return (_scene == null) ? 0 : _scene.getNumClusters();
     }
 
-    /** The color to draw the highlighted tile. */
-    protected static final Color HLT_COLOR = Color.green;
-
-    /** The stroke object used to draw the highlighted tile. */
-    protected static final Stroke HLT_STROKE = new BasicStroke(3);
+    /** The stroke object used to draw highlighted tiles and coordinates. */
+    protected BasicStroke _hstroke = new BasicStroke(3);
 
     /** The currently highlighted tile. */
     protected Point _htile;
diff --git a/src/java/com/threerings/miso/client/IsoSceneViewModel.java b/src/java/com/threerings/miso/client/IsoSceneViewModel.java
index 92f035cda..7dfacc6fe 100644
--- a/src/java/com/threerings/miso/client/IsoSceneViewModel.java
+++ b/src/java/com/threerings/miso/client/IsoSceneViewModel.java
@@ -1,5 +1,5 @@
 //
-// $Id: IsoSceneViewModel.java,v 1.5 2001/08/08 22:29:39 shaper Exp $
+// $Id: IsoSceneViewModel.java,v 1.6 2001/08/10 21:17:07 shaper Exp $
 
 package com.threerings.miso.scene;
 
@@ -62,6 +62,9 @@ public class IsoSceneModel
     /** Whether tile coordinates should be drawn. */
     public boolean showCoords;
 
+    /** Whether locations in the scene should be drawn. */
+    public boolean showLocs;
+
     /**
      * Construct an IsoSceneModel with reasonable default values.
      */
@@ -72,6 +75,7 @@ public class IsoSceneModel
         setBounds(600, 600);
         setOrigin(bounds.width / 2, -(9 * tilehei));
         showCoords = false;
+	showLocs = false;
     }
 
     /**
@@ -86,6 +90,42 @@ public class IsoSceneModel
 	finegran = gran;
     }
 
+    /**
+     * Return whether locations in the scene are currently drawn.
+     */
+    public boolean getShowLocations ()
+    {
+	return showLocs;
+    }
+
+    /**
+     * Set whether locations in the scene should be drawn.
+     *
+     * @param show whether to show locations.
+     */
+    public void setShowLocations (boolean show)
+    {
+	showLocs = show;
+    }
+
+    /**
+     * Return whether coordinates are currently drawn for each tile.
+     */
+    public boolean getShowCoordinates ()
+    {
+	return showCoords;
+    }
+
+    /**
+     * Set whether coordinates should be drawn for each tile.
+     *
+     * @param show whether to show coordinates.
+     */
+    public void setShowCoordinates (boolean show)
+    {
+	showCoords = show;
+    }
+
     /**
      * Set the dimensions of the tiles that comprise the base layer of
      * the isometric view and therefore drive the view geometry as a
diff --git a/src/java/com/threerings/miso/tools/xml/XMLSceneWriter.java b/src/java/com/threerings/miso/tools/xml/XMLSceneWriter.java
index 26fb1c0be..d22c0241f 100644
--- a/src/java/com/threerings/miso/tools/xml/XMLSceneWriter.java
+++ b/src/java/com/threerings/miso/tools/xml/XMLSceneWriter.java
@@ -1,5 +1,5 @@
 //
-// $Id: XMLSceneWriter.java,v 1.6 2001/08/10 01:31:25 shaper Exp $
+// $Id: XMLSceneWriter.java,v 1.7 2001/08/10 21:17:07 shaper Exp $
 
 package com.threerings.miso.scene.xml;
 
@@ -97,7 +97,7 @@ public class XMLSceneWriter extends DataWriter
 
 	    int clustersize = clusterlocs.size();
 	    for (int jj = 0; jj < clustersize; jj++) {
-		buf.append(locs.indexOf(clusterlocs.get(jj))).append(",");
+		buf.append(locs.indexOf(clusterlocs.get(jj)));
 		if (jj < clustersize - 1) buf.append(",");
 	    }
 
diff --git a/tests/rsrc/scenes/default.xml b/tests/rsrc/scenes/default.xml
index 6b7824a98..2f7d00ece 100644
--- a/tests/rsrc/scenes/default.xml
+++ b/tests/rsrc/scenes/default.xml
@@ -4,7 +4,7 @@
   <name>Untitled Scene</name>
   <version>1</version>
   <locations></locations>
-  <spots></spots>
+  <clusters></clusters>
   <exits></exits>
   <tiles>
     <layer lnum="0">
diff --git a/tests/src/java/com/threerings/miso/viewer/ViewerSceneViewPanel.java b/tests/src/java/com/threerings/miso/viewer/ViewerSceneViewPanel.java
index 64af044bc..ed09ab33b 100644
--- a/tests/src/java/com/threerings/miso/viewer/ViewerSceneViewPanel.java
+++ b/tests/src/java/com/threerings/miso/viewer/ViewerSceneViewPanel.java
@@ -1,5 +1,5 @@
 //
-// $Id: ViewerSceneViewPanel.java,v 1.5 2001/08/08 22:29:39 shaper Exp $
+// $Id: ViewerSceneViewPanel.java,v 1.6 2001/08/10 21:17:07 shaper Exp $
 
 package com.threerings.miso.viewer;
 
@@ -40,8 +40,6 @@ public class ViewerSceneViewPanel extends SceneViewPanel
         // load up the initial scene
         prepareStartingScene();
 
-	//((EditableSceneView)_view).setShowCoordinates(true);
-
 	PerformanceMonitor.register(this, "paint", 1000);
     }