SphinxClient::setGeoAnchor

(PECL sphinx >= 0.1.0)

SphinxClient::setGeoAnchor — Set anchor point for a geosphere distance calculations

说明

public bool SphinxClient::setGeoAnchor ( string $attrlat , string $attrlong , float $latitude , float $longitude )

Sets anchor point for a geosphere distance (geodistance) calculations and enables them.

Once an anchor point is set, you can use magic "@geodist" attribute name in your filters and/or sorting expressions.

参数

attrlat: Name of a latitude attribute.
attrlong: Name of a longitude attribute.
latitude: Anchor latitude in radians.
longitude: Anchor longitude in radians.

返回值

成功时返回 TRUE，或者在失败时返回 FALSE。

参见

User Contributed Notes

michel dot bartz at igotchamedia dot com 20-Jul-2011 04:17


For this to work, attrlat and attrlng need to be in lower case otherwise you will get :

"unknown latitude attribute ''"

k dot andris at gmail dot com 07-Oct-2010 09:55


When sorting on @geodist you have to use SetSortMode with SPH_SORT_EXTENDED, like below, if SPH_SORT_ATTR_ASC does not seem to work.



$sphinx->SetSortMode(SPH_SORT_EXTENDED, '@geodist ASC');