[ViewVC] Diff of: cvs/AnyEvent-GPSD/GPSD.pm

Comparing AnyEvent-GPSD/GPSD.pm (file contents):
Revision 1.2 by root, Wed Jul 2 05:17:37 2008 UTC vs.
Revision 1.3 by root, Wed Jul 2 05:21:58 2008 UTC

 C<snr> contains the signal strength in decibals (28+ is usually the
 minimum value for a good fix).
 C<fix> contains either C<1> to indicate that this satellite was used for
-the last position fix, C<0> otherwise.  EGNOS/WAAS etc. satellites will
+the last position fix, C<0> otherwise. EGNOS/WAAS etc. satellites will
 always show as C<0>, even if their correction info was used.
+The passed hash references are read-only.
 =item on_fix => $cb->({point})
 Called regularly (usually about once/second), even when there is no
 connection to the GPSD (so is useful to update your idea of the current
 This returns an estimate of the current position based on the last fix and
 the time passed since then. Useful for interactive applications where you
 want more frequent updates, but not very useful to store, as the next fix
 might well be totally off.
-If the fix is older then C<$max_seconds> (default: C<1.9>) or if no fix is
+If the fix is older then C<$max_seconds> (default: C<1.9> times the update
-available, returns the empty list.
+interval, i.e. usually C<1.9> seconds) or if no fix is available, returns
+the empty list.
 =cut
 sub estimate {
    my ($self, $max) = @_;
-   $max ||= 1.9 unless defined $max;
+   $max ||= 1.9 * $self->{interval} unless defined $max;
    my $geo = $self->{geo_forward} ||= new Geo::Forward;
    my $fix = $self->{fix} or return;
    $fix->{mode} >= 2 or return;

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