I would like to change the direction of the path with one foot in the halo instead of the default one with the machine, there is an option in the class but I can not 
i try
// Initialize GMapDirection
$direction = new EGMapDirection($home,$arrivo);
$direction->travelMode = TRAVEL_MODE_WALKING;
class EGMapDirection
class EGMapDirection extends EGMapBase {
const TRAVEL_MODE_DRIVING = 'google.maps.DirectionsTravelMode.DRIVING';
const TRAVEL_MODE_WALKING = 'google.maps.DirectionsTravelMode.WALKING';
const TRAVEL_MODE_BICYCLING = 'google.maps.DirectionsTravelMode.BICYCLING';
const UNIT_SYSTEM_IMPERIAL = 'google.maps.DirectionsUnitSystem.IMPERIAL';
const UNIT_SYSTEM_METRIC = 'google.maps.DirectionsUnitSystem.METRIC';
protected $renderer = null;
protected $options = array(
// Whether or not trip alternatives should be provided.
'avoidHighways' => null,
// If true, instructs the Directions service to avoids toll roads where possible. Optional.
'avoidTolls' => null,
// Location of destination. This can be specified as either a string to be geocoded or a LatLng. Required.
'destination' => null,
// If set to true, the DirectionService will attempt to re-order the supplied intermediate waypoints to
// minimize overall cost of the route. If waypoints are optimized, inspect DirectionsRoute.waypoint_order
// in the response to determine the new ordering.
'optimizeWaypoints' => null,
// Location of origin. This can be specified as either a string to be geocoded or a LatLng. Required.
'origin' => null,
// Whether or not route alternatives should be provided. Optional.
'provideRouteAlternatives' => null,
// Region code used as a bias for geocoding requests.
'region' => null,
// Travel mode [DRIVING, WALKING, BICYCLING]
'travelMode' => self::TRAVEL_MODE_WALKING,
// Preferred unit system to use when displaying distance.
// Defaults to the unit system used in the country of origin.
'unitSystem' => null,
// Array of intermediate waypoints. Directions will be calculated from the origin to the destination by way of each waypoint in this array.
'waypoints' => array(),
);
/**
* Construct GMapDirection object
*
* @param EGMapCoord $origin The coordinates of origin
* @param EGMapCoord $destination The coordinates of destination
* @param string $js_name The js var name
* @param array $options Array of option
* @author Vincent Guillon <vincentg@theodo.fr>
* @since 2009-10-30 17:20:47
* @since 2011-01-24 by Antonio Ramirez www.ramirezcobos.com
* New algorithms
*
*/
public function __construct(EGMapCoord $origin, EGMapCoord $destination, $js_name = 'gmap_direction', $options = array())
{
$this->origin = $origin;
$this->destination = $destination;
$this->setOptions(array_merge($this->options, $options));
if ($js_name !== 'gmap_direction')
$this->setJsName($js_name);
}
public function setRenderer(EGMapDirectionRenderer $renderer)
{
$this->renderer = $renderer;
}
public function setOrigin(EGMapCoord $origin)
{
$this->options['origin'] = $origin;
}
public function setDestination(EGMapCoord $destination)
{
$this->options['destination'] = $destination;
}
/**
* Options setter
*
* @param array $options
* @author Vincent Guillon <vincentg@theodo.fr>
* @since 2009-11-13 15:39:46
* @since 2011-01-24 by Antonio Ramirez
* Modified algorithm
*/
public function setOptions($options = null)
{
if (isset($options['origin']))
{
$this->setOrigin($options['origin']);
unset($options['origin']);
}
if (isset($options['destination']))
{
$this->setDestination($options['destination']);
unset($options['destination']);
}
$this->options = array_merge($this->options, $options);
}
/**
* Options getter
*
* @return array $this->options
* @author Vincent Guillon <vincentg@theodo.fr>
* @since 2009-11-13 15:38:46
*/
public function getOptions()
{
return $this->options;
}
/**
* Generate js code for direction
* Inspired by the work of Vincent Guillon <vincentg@theodo.fr>
*
* @param string $map_js_name The google map js var name
* @return $js_code The generated js to display direction
* @author Antonio Ramirez
* @since 2010-01-24
*
*/
public function toJs($map_js_name = 'map')
{
if (null === $this->renderer)
throw new CException(Yii::t('EGMap', 'No Renderer Service has been provided'));
$options = $this->getOptions();
$js_name = $this->getJsName();
// set map to renderer
$this->renderer->map = $map_js_name;
// Construct js code
$js_code = '';
$js_code .= $this->renderer->toJs();
$js_code .= 'var ' . $js_name . ' = new google.maps.DirectionsService();' . "\n";
// building Request
$js_code .= 'var ' . $js_name . 'Request = ' . EGMap::encode($this->options) . ';' . "\n";
$js_code .= $js_name . '.route(' . $js_name . 'Request, function(response, status)' . "\n";
$js_code .= '{' . "\n";
$js_code .= ' if (status == google.maps.DirectionsStatus.OK)' . "\n";
$js_code .= ' {' . "\n";
$js_code .= ' ' . $this->renderer->getJsName() . '.setDirections(response);' . "\n";
$js_code .= ' }' . "\n";
$js_code .= '});' . "\n";
return $js_code;
}
}