okay, let's wait for a feedback from Steve. I have almost no knowlegde about the index structures.
> Date: Wed, 10 Apr 2013 23:23:32 +0200
> From: kukuk@suse.de
> To: mkgmap-dev@lists.mkgmap.org.uk
> Subject: Re: [mkgmap-dev] Question reg. points with extended type
>
>
> Hi Gerd,
>
> On Sat, Apr 06, GerdP wrote:
>
> > good that you asked. I just found out that the overview2 branch did no
> > longer create the
> > index in the same way. This is corrected with r2558.
> >
> > The so called global index is created when you use the --index option. I
> > don't know for sure
> > what the device does with it.
> > I assume that a map with many point with extended types needs longer to list
> > the POIs,
> > because they are not indexed. Don't know if that can be changed.
>
> Looks more like a firmware issue. I removed all extended types,
> 60CSx still needs only 2 secs, 62s still needs 6 seconds.
>
> Thorsten
>
> > Thorsten Kukuk wrote
> > > Hi,
> > >
> > > On Sun, Mar 31, GerdP wrote:
> > >
> > >> Hi,
> > >>
> > >> when mkgmap builds an index (the mdr file), it reads the points from the
> > >> img file.
> > >> Up to now, points with extended types are ignored by this routine.
> > >> I wonder if this is a GARMIN restriction or a limit in mkgmap ?
> > >
> > > Which index is that exactly?
> > >
> > > On my GPSmap 62s, all POIs are listed in the nearest POI search,
> > > even the one with extended types. On my GPSmap 60CSx POIs with
> > > exteded type are not findable.
> > >
> > > But: The 60CSx needs 2 sec. to list all POIs in the near, the 62s
> > > needs 6 sec. Looks like the 62s does not use the index but generates
> > > it somehow itself new.
> > >
> > > Thorsten
> > >
> > > --
> > > Thorsten Kukuk, Project Manager/Release Manager SLES
> > > SUSE LINUX Products GmbH, Maxfeldstr. 5, D-90409 Nuernberg
> > > GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer, HRB 16746 (AG Nürnberg)
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> >
> >
> >
> >
> >
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> --
> Thorsten Kukuk, Project Manager/Release Manager SLES
> SUSE LINUX Products GmbH, Maxfeldstr. 5, D-90409 Nuernberg
> GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer, HRB 16746 (AG Nürnberg)
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