示例#1
0
文件: Plot.php 项目: hungnv0789/vhtm
    /**
     * Draws markers on the canvas
     * @access private
     */
    function _drawMarker()
    {
        if (($this->_marker) and ($this->_dataset)) {
            $this->_dataset->_reset();
            while ($point = $this->_dataset->_next()) {
                $prevPoint = $this->_dataset->_nearby(-2);
                $nextPoint = $this->_dataset->_nearby();

                if ((!is_object($this->_dataSelector)) or ($this->_dataSelector->_select($point))) {
                    $point = $this->_getMarkerData($point, $nextPoint, $prevPoint, $i);
                    if (is_array($point)) {
                        $this->_marker->_drawMarker($point['MARKER_X'], $point['MARKER_Y'], $point);
                    }
                }
            }
        }
    }
示例#2
0
 /**
  * Draws markers on the canvas
  *
  * @return void
  * @access private
  */
 function _drawMarker()
 {
     if ($this->_marker && is_array($this->_dataset)) {
         $this->_canvas->startGroup(get_class($this) . '_marker');
         $totals = $this->_getTotals();
         $totals['WIDTH'] = $this->width() / ($this->_maximumX() + 2) / 2;
         $number = 0;
         $keys = array_keys($this->_dataset);
         foreach ($keys as $key) {
             $dataset =& $this->_dataset[$key];
             $totals['MINIMUM_X'] = $dataset->minimumX();
             $totals['MAXIMUM_X'] = $dataset->maximumX();
             $totals['MINIMUM_Y'] = $dataset->minimumY();
             $totals['MAXIMUM_Y'] = $dataset->maximumY();
             $totals['NUMBER'] = $number++;
             $dataset->_reset();
             while ($point = $dataset->_next()) {
                 $prevPoint = $dataset->_nearby(-2);
                 $nextPoint = $dataset->_nearby();
                 $x = $point['X'];
                 $y = $point['Y'];
                 if ((!is_object($this->_dataSelector) || $this->_dataSelector->_select($point)) && $point['Y'] !== null) {
                     $point = $this->_getMarkerData($point, $nextPoint, $prevPoint, $totals);
                     if (is_array($point)) {
                         $this->_marker->_drawMarker($point['MARKER_X'], $point['MARKER_Y'], $point);
                     }
                 }
                 if (!isset($totals['SUM_Y'])) {
                     $totals['SUM_Y'] = array();
                 }
                 if (isset($totals['SUM_Y'][$x])) {
                     $totals['SUM_Y'][$x] += $y;
                 } else {
                     $totals['SUM_Y'][$x] = $y;
                 }
             }
         }
         unset($keys);
         $this->_canvas->endGroup();
     }
 }