public AppFrame() { // Create the WorldWindow. this.wwjPanel = new ApplicationTemplate.AppPanel(this.canvasSize, true); this.wwjPanel.setPreferredSize(canvasSize); ApplicationTemplate.insertBeforePlacenames(this.wwjPanel.getWwd(), layer); JPanel shapesPanel = makeShapeSelectionPanel(); shapesPanel.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5)); JPanel attrsPanel = makeAttributesPanel(); attrsPanel.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5)); // Put the pieces together. JPanel controlPanel = new JPanel(new BorderLayout()); controlPanel.add(shapesPanel, BorderLayout.CENTER); JPanel p = new JPanel(new BorderLayout(6, 6)); p.add(attrsPanel, BorderLayout.CENTER); controlPanel.add(p, BorderLayout.SOUTH); this.getContentPane().add(wwjPanel, BorderLayout.CENTER); this.getContentPane().add(controlPanel, BorderLayout.WEST); this.pack(); // Center the application on the screen. Dimension prefSize = this.getPreferredSize(); Dimension parentSize; java.awt.Point parentLocation = new java.awt.Point(0, 0); parentSize = Toolkit.getDefaultToolkit().getScreenSize(); int x = parentLocation.x + (parentSize.width - prefSize.width) / 2; int y = parentLocation.y + (parentSize.height - prefSize.height) / 2; this.setLocation(x, y); this.setResizable(true); wwjPanel .getWwd() .addRenderingListener( new RenderingListener() { public void stageChanged(RenderingEvent event) { if (!event.getStage().equals(RenderingEvent.BEFORE_BUFFER_SWAP)) return; if (currentShape instanceof Polyline) { Polyline p = (Polyline) currentShape; String length = Double.toString(p.getLength()); textRenderer.beginRendering(wwjPanel.getWidth(), wwjPanel.getHeight()); textRenderer.draw(length, 100, 100); textRenderer.endRendering(); } } }); // Enable dragging and other selection responses this.setupSelection(); }