Playing around with the Google Analytics data export API using the wonderful GAPI from: http://code.google.com/p/gapi-google-analytics-php-interface/
Here is a list of Dimensions and Metrics that are available: http://code.google.com/apis/analytics/docs/gdata/gdataReferenceDimensionsMetrics.html
($EXTENDED_MAP_LENGTH * $EXTENDED_MAP_LENGTH) – 1) {
$chartData .= “..”;
} else if ($scaledVal < 0) {
$chartData .= '__';
} else {
$quotient = floor($scaledVal / $EXTENDED_MAP_LENGTH);
$remainder = $scaledVal - $EXTENDED_MAP_LENGTH * $quotient;
$chartData .= $EXTENDED_MAP[$quotient] + $EXTENDED_MAP[$remainder];
}
} return $chartData;
} function output_image($data){
$max_y = 900;
$width = 690;
$height = 250;
$attr=array();
$days = count($data['data'])-1;
// work out the width of 1 day
$day_width_percent = round((100 / $days)/100,4); // 15% will be 0.15 1% will be 0.01
$half_day_width = round($day_width_percent/2,4);
$attr['chxl'] = '1:'; // the data point label text.
$attr['chxp'] = '1'; // the data point label positions.
$attr['chxr'] = '0,0,'.$max_y.'|1,0,'.$days; // the min/max data range to graph over the space of the image.
$attr['chxt'] = 'y,x'; // ?
$attr['chs'] = $width.'x'.$height; // width x height of the image.
$attr['cht'] = 'lc'; // type of graph
$attr['chco'] = '3D7930,FF9900'; // colors of the graph lines.
$attr['chds'] = '0,'.$max_y.',0,'.$max_y.''; // data range of each data set (0 to 500 each)
$attr['chdl'] = 'Visits|New Visits'; // labels for each data set
$attr['chg'] = (100/$days) . ',' . ((100/$max_y)*100) . ',4,1,-'.($half_day_width*100).',0'; // (vert,horiz) how many step lines.
$attr['chls'] = '2,4,0|1'; // ?something about size of lines maybe?
$attr['chtt'] = 'Visits vs New Visits over past '.$data['total'].' days.'; // graph label at the top.
// graph stripes. every saturday and sunday ?
// work out what day the graph starts on.
$first = current($data['data']);
$start_day = date('N',strtotime($first['date']));
// how big is the first bar?
// highlight white from first bar to first Saturday (6)
$attr['chf'] = 'c,ls,0';
$number_of_days = 6 - $start_day;
if($number_of_days>0){
// we start with a white bar, because we’re starting graph during the week.
$color=’FFFFFF’;
$attr[‘chf’] .= ‘,’.$color.’,’.(round($number_of_days*$day_width_percent,5)-$half_day_width);
}else{
// we’re starting graph on a saturday or sunday.
$color=’EFEFEF’;
$attr[‘chf’] .= ‘,’.$color.’,’.(round((8-6)*$day_width_percent,5)-$half_day_width);
// then we do 5 days white.
$attr[‘chf’] .= ‘,FFFFFF,’.round(5*$day_width_percent,5);
}
// loop over for the remaining days, every 7 days different colour.
for($x=0;$x<=$days;$x+=7){
// we're doing 2 days dark for weekend.
$attr['chf'] .= ',EFEFEF,'.round(2*$day_width_percent,5);
// we're doing 5 days white.
$attr['chf'] .= ',FFFFFF,'.round(5*$day_width_percent,5);
} $p = $start_day;
$x=0;
$label_int=7;
$label_day=1;
if($data['total'] < 13){
$label_int = 1;
$label_day = 0;
}
$points1 = $points2 = array();
foreach($data['data'] as $d){
if($p%$label_int==$label_day){
// every monday put a date.
$attr['chxl'] .= '|' . date('DjM',strtotime($d['date']));
$attr['chxp'] .= ',' . $x;
}
$points1[]= $d['visits'];
$points2[]= $d['newVisits'];
$x++;
$p++;
} $attr['chd'] = 't:' . implode($points1,',') . '|' . implode($points2,',');
?>
Show Data & Example PHP Code »
Operating Systems of Visitors over past 30 days:
30)break;
?>
Data updated: