Oracle Maps example - Some theme based FOI utility methods

• Show polygon FOI labels
• Show info window for mouse hover
• Eanble polygon FOI image rendering

Instructions

• The method that turns on or off labels for a polygon theme based FOI layer.
• The method that enables or disables info window for mouse hover.
• The method that enables or disables polygon FOI image rendering. The polygon FOI areas are always clickable no matter whether FOI image rendering is enabled or disabled.

Source code

  var mapview;
  var themebasedfoi;
  
  function showMap() 
  { 
    var baseURL  = "http://"+document.location.host+"/mapviewer";
    var mapCenterLon = -122.45;
    var mapCenterLat =  37.7706;
    var mapZoom      =  4;       
    var mpoint = MVSdoGeometry.createPoint(mapCenterLon,mapCenterLat,8307);
    mapview = new MVMapView(document.getElementById("map"), baseURL);
    mapview.addMapTileLayer(new MVMapTileLayer("mvdemo.demo_map"));   
    mapview.setCenter(mpoint);   
    mapview.setZoomLevel(mapZoom);
    
    themebasedfoi = new MVThemeBasedFOI('themebasedfoi1','mvdemo.THEME_DEMO_COUNTY_POPDENSITY');
    mapview.addThemeBasedFOI(themebasedfoi);
    
    mapview.addNavigationPanel() ;
    mapview.display();
  }
  
  function enableLabels(item)
  {
    
    themebasedfoi.enableLabels(item.checked);
    themebasedfoi.refresh();
    
  }

  function enableInfoWindowForMO(item)
  {
    
    themebasedfoi.enableInfoWindowForMouseOver(item.checked);
    
  }

  function enableImages(item)
  {
    
    themebasedfoi.enableImageRendering(item.checked);
    themebasedfoi.refresh();
    
  }