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fiducial [Proxies] Detailed Description The fiducial proxy provides an interface to a fiducial detector. This device looks for fiducials (markers or beacons) in the laser scan, and determines their identity, range, bearing and orientation. See the Player User Manual for a complete description of the various drivers that support the fiducial interface. Classes struct   playerc_fiducial_item_t   Description for a single fiducial. More... struct   playerc_fiducial_t   Fiducial finder data. More... Functions playerc_fiducial_t *  playerc_fiducial_create (playerc_client_t *client, int index)   Create a fiducial proxy. void  playerc_fiducial_destroy (playerc_fiducial_t *device)   Destroy a fiducial proxy. int  playerc_fiducial_subscribe (playerc_fiducial_t *device, int access)   Subscribe to the fiducial device. int  playerc_fiducial_unsubscribe (playerc_fiducial_t *device)   Un-subscribe from the fiducial device. int  playerc_fiducial_get_geom (playerc_fiducial_t *device)   Get the fiducial geometry. Function Documentation playerc_fiducial_t* playerc_fiducial_create (  playerc_client_t *  client, int  index )    Create a fiducial proxy. void playerc_fiducial_destroy (  playerc_fiducial_t *  device  )    Destroy a fiducial proxy. int playerc_fiducial_subscribe (  playerc_fiducial_t *  device, int  access )    Subscribe to the fiducial device. int playerc_fiducial_unsubscribe (  playerc_fiducial_t *  device  )    Un-subscribe from the fiducial device. int playerc_fiducial_get_geom (  playerc_fiducial_t *  device  )    Get the fiducial geometry. Ths writes the result into the proxy rather than returning it to the caller.