|  | @@ 80-82 (lines=3) @@ | 
                                                            
                                    | 77 |  |         list($xMin, $xMax) = $this->_getMinMax('x'); | 
                                                            
                                    | 78 |  |         list($yMin, $yMax) = $this->_getMinMax('y'); | 
                                                            
                                    | 79 |  |         list($zMin, $zMax) = $this->_getMinMax('z'); | 
                                                            
                                    | 80 |  |         if (is_null($this->_rangeLow)) { | 
                                                            
                                    | 81 |  |             $this->_rangeLow = array('x' => $xMin, 'y' => $yMin, 'z' => $zMin); | 
                                                            
                                    | 82 |  |         } | 
                                                            
                                    | 83 |  |  | 
                                                            
                                    | 84 |  |         if (is_null($this->_rangeHigh)) { | 
                                                            
                                    | 85 |  |             $this->_rangeHigh = array('x' => $xMax, 'y' => $yMax, 'z' => $zMax); | 
                                                                                
                                |  | @@ 84-86 (lines=3) @@ | 
                                                            
                                    | 81 |  |             $this->_rangeLow = array('x' => $xMin, 'y' => $yMin, 'z' => $zMin); | 
                                                            
                                    | 82 |  |         } | 
                                                            
                                    | 83 |  |  | 
                                                            
                                    | 84 |  |         if (is_null($this->_rangeHigh)) { | 
                                                            
                                    | 85 |  |             $this->_rangeHigh = array('x' => $xMax, 'y' => $yMax, 'z' => $zMax); | 
                                                            
                                    | 86 |  |         } | 
                                                            
                                    | 87 |  |  | 
                                                            
                                    | 88 |  |         if (is_null($this->_nbins)) { | 
                                                            
                                    | 89 |  |             $this->_nbins = array('x' => 10, 'y' => 10, 'z' => 10); |