google.load('visualization', '1.0', {'packages':['corechart']});
google.setOnLoadCallback(function(){
  var data = new google.visualization.DataTable();
       data.addColumn('string', '日');
       data.addColumn('number', '推測');
       data.addColumn({type:'string', role:'annotation'});
       data.addColumn({type:'string', role:'annotationText'});
       data.addColumn('number', 'iOS総合');
       data.addColumn({type:'string', role:'annotation'});
       data.addColumn({type:'string', role:'annotationText'});
       data.addRows([
        ['20:45',454,'【454位】','454位',null,null,null],
['21:50',454,null,null,null,null,null],
['22:20',469,'【469位】','469位',null,null,null],
['22:25',463,null,null,null,null,null],
['22:30',462,null,null,null,null,null],
['22:35',497,null,null,null,null,null],
['22:50',452,'【452位】','452位',null,null,null],
['23:55',452,null,null,null,null,null],
['01:00',452,null,null,null,null,null],
['01:15',448,'【448位】','448位',null,null,null],
['01:30',447,null,null,null,null,null],
['01:35',448,null,null,null,null,null],
['01:45',459,'【459位】','459位',null,null,null],
['02:50',459,null,null,null,null,null],
['03:55',459,null,null,null,null,null],
['04:25',466,'【466位】','466位',null,null,null]
        ]);
  var options = {
    chartArea: {'width':'90%', 'height':'65%', 'left':40 },
    'pointSize': 3,
    hAxis: { titleTextStyle:{italic:false}, format:'#',ticks: [1,5,10,15,20,25,30] },
    vAxis: { format:'#',viewWindow:{min:437,max:500},direction:-1 },
    legend: {position: 'top' },
    tooltip: { trigger: 'both' },
    focusTarget: 'category',
    colors:['pink','#e74c3c']
  };

  var chart = new google.visualization.LineChart(document.getElementById('graphField'));
  chart.draw(data, options);

  var lastlogday=0 -1 ;
  var lastlogcat=6;

  if(lastlogday>=0){
    chart.setSelection([{
      row: lastlogday,
      column: lastlogcat
    }]);
  
    google.visualization.events.addListener(chart, 'click', function() {
      if(chart.getSelection()[0]){
        //chart.setSelection(null)
      }
    });
  }

});