public function coordinateName() : string
    {
        $name = 'XY';

        if ($this->hasZ) {
            $name .= 'Z';
        }

        if ($this->hasM) {
            $name .= 'M';
        }

        return $name;
    }
public function coordinateName() : string
    {
        $name = 'XY';

        if ($this->hasZ) {
            $name .= 'Z';
        }

        if ($this->hasM) {
            $name .= 'M';
        }

        return $name;
    }
public function coordinateName ( ) : string { $ name = 'XY' ; if ( $ this -> hasZ ) { $ name .= 'Z' ; } if ( $ this -> hasM ) { $ name .= 'M' ; } return $ name ; }
Returns a name for the coordinates in this system, such as XY or XYZ.

@return string
Returns a name for the coordinates in this system such as XY or XYZ .