Package uk.co.mccombe.terrain

Class MosaicPanel

java.lang.Object
java.awt.Component
java.awt.Container
javax.swing.JComponent
javax.swing.JPanel
uk.co.mccombe.terrain.MosaicPanel
All Implemented Interfaces:
ImageObserver, MenuContainer, Serializable, Accessible
public class MosaicPanel extends JPanel

MosaicPanel is used to display a coloured relief map and a height key (in sensible units). It also handles mouse events, firing "mouse" PropertyChangeEvents as the mouse is moved over the map. Handling of this component's size etc. is left to the parent's LayoutManager.

Mouse events contain a XYZ object where the x and y components indicate the position of the mouse as a proportion of the width and height of the map. These are double values between 0.0 and 1.0, with [0.0, 0.0] at the bottom-left. The z() component contains the height (or MISSING) contained in the databuffer. The value MOVED_OUT is fired when the mouse goes outside the bounds of the map.

See Also:

  • Field Details

    • MOVED_OUT

      public static final XYZ MOVED_OUT

  • Constructor Details

    • MosaicPanel

      public MosaicPanel()
      Creates new form BeanForm

  • Method Details

    • setDataTable

      public void setDataTable(float[][] buffer, DEMReader reader)
      Set the height data for the map and determine the height scale for the key
      Parameters:
      buffer - - a double[][] array containing the map data. First dimension is "northing", second is "easting"

    • paint

      public void paint(Graphics g)
      Paint the key panel and background
      Overrides:
      paint in class JComponent
      Parameters:
      g - - the Graphics object from awt

    • addPropertyChangeListener

      public void addPropertyChangeListener(PropertyChangeListener l)
      Add a PropertyChangeListener (for the "mouse" property changes)
      Overrides:
      addPropertyChangeListener in class Container
      Parameters:
      l -

    • getPropertyChangeListener

      public PropertyChangeListener getPropertyChangeListener()
      Get this object's internal PropertyChangeListener (note: slightly non-standard)
      Returns:
      the current PropertyChangeListener