2012/5/2 Evan Battaglia <gtoe...@gmx.net>:
> I'm not sure if you meant to email just me or forgot to hit 'reply all' to
> email the whole mailing list.

Oups... thanks for the advice.

> It doesn't matter too much to me. I think you're right the second options is
> slightly better. I'm guessing many people who use viking will be the sole
> users of their computers (like I am), so they can edit the /usr/share and
> /etc/ files directly themselves. One thing that would be nice would be the
> ability to use the global maps.xml file without doing a make install (i.e.
> it looks in the directory relative to where it is), but even that isn't
> really necessary, since I or a user can just copy it into his
> ~/.viking/maps.xml directory. It would be good to try and give as much
> visibility about this file as possible, though.

Humh, I do not really like the idea to load a local file silently. But
perhaps I'm wrong.

What do you think about adding a command line option to:
- specify a single .xml file
- specify a config directory
I think the second option is better and probably cover your expected use case.
A related question is "What is the precedence of the file specified in
command line?" I think common usage expect that command line option
are prior than $HOME config files, prior than /etc prior than
/usr/share.

Other idea is to add a VIKING_CONFIG_PATH variable environment. If
unset, built-in configuration path is
$HOME/.viking:/etc/viking:/usr/shar/viking. If set, the built-in is
not used and only the specified path are used. But perhaps should we
ALWAYS process the $HOME/.viking even when VIKING_CONFIG_PATH is set.

> On Tue, May 1, 2012 at 11:50 AM, Guilhem Bonnefille
> <guilhem.bonnefi...@gmail.com> wrote:
>>
>> 2012/5/1 Evan Battaglia <gtoe...@gmx.net>:
>> >> You do not have to credit me on the two new files, they are yours. :-)
>> > Yeah, I just copy and paste files and don't give much thought to
>> > copyright
>> > notices :)
>> >
>> > I wasn't aware of the maps.xml file, but it is truly awesome, especially
>> > given how so many services use that same mercator
>> > OSM/slippymap/whatever-it's-called scheme. And great that users of
>> > today's
>> > versions of viking can use CalTopo just by editing that.
>> >
>> >
>> >> In one hand, it seems to be a usefull freely
>> >> available map. In the other hand, this is USA only related. Perhaps
>> >> the hability to configure it is enough?
>> > I strongly advocate built-in support for topos, even if they are
>> > USA-only.
>> > Sure, I live in the USA, but hear me out: my main use of Viking is with
>> > topos, and I suspect there are many others who are the same way (for
>> > instance, a long long time ago, Reid Priedhorsky made some topo maps for
>> > an
>> > Escalante hiking trip with Viking). There is a big market for making
>> > your
>> > own custom topos: National Geographic TOPO
>> > (http://www.natgeomaps.com/topo_state.html ) sells for a ridiculous
>> > amount
>> > of money (like $50 for each state!), and there is also TopoFusion. And
>> > we
>> > can compete here. If Viking (as installed I have a preference by
>> > 'apt-get install viking' in
>>
>> > Ubuntu) comes shipped with support to make your own topo maps, I think
>> > it
>> > would increase the visibility and really show people what Viking can do.
>> > (I'm assuming the debian package is compiled with the default options).
>> > I
>> > don't think the one extra item in the menu that users from other
>> > countries
>> > may never use hurts much. If there were a really good Topo map source
>> > for
>> > only France or New Zealand or something, I wouldn't object to having it
>> > built-in, in fact I might be curious to see what the maps look like...
>> > and
>> > there are already tons of map sources compiled in that I don't use...
>> >
>> > Anyway, it does seem strange to me that I would have to add new code to
>> > get
>> > CalTopo in; I guess there's no global "maps.xml" file?
>>
>> You're definitively right: this was a old open item on my todo list
>> since I added maps.xml feature. I imagine to put some files in
>> standard locations:
>> - /usr/share/viking/maps.xml (or something like that, depending on
>> distribution)
>> - /etc/viking/maps.xml
>> Classicaly, the main difference is that /etc/viking/maps.xml is
>> editable by admin while /usr/share/viking/maps.xml is supposed to stay
>> untouched, only deployed by package.
>>
>> But a question remains: what logic should we implement to offer
>> maximum power to user.
>>
>> First logic: we only load a single file, the first one found:
>> - $HOME/.viking/maps.xml
>> - /etc/viking/maps.xml
>> - /usr/share/viking/maps.xml
>> This logic allows the user to overwrite all settings, keeping only the
>> most interesting for him.
>>
>> Second logic: we load all files. The current internal management allow
>> to overwrite existing ids with new definitions.
>> The matter with this logic is that the list of supported maps provider
>> can be very long. In the other hand, this will allow the user to
>> discover new maps when upgrading the package, even if he already
>> defined a personnal maps.xml.
>>
>> I'm not sure about the right option. And perhaps there is other
>> options. I think the second one is better.
>>
>> And I imagine we can go further: load more than one file per
>> directory. For example, load maps.xml + maps_*.xml (or *_maps.xml).
>> Why? In order to allow packaging all map source in different files and
>> different package (one per country, for example viking-data-us.deb).
>> This way, the packagers and users will have lot of power with few
>> effort.
>>
>>
>> Any comment appreciated. I'm available to do such changes, but I need
>> a direction.
>> --
>> Guilhem BONNEFILLE
>> -=- JID: gu...@im.apinc.org MSN: guilhem_bonnefi...@hotmail.com
>> -=- mailto:guilhem.bonnefi...@gmail.com
>> -=- http://nathguil.free.fr/
>
>



-- 
Guilhem BONNEFILLE
-=- JID: gu...@im.apinc.org MSN: guilhem_bonnefi...@hotmail.com
-=- mailto:guilhem.bonnefi...@gmail.com
-=- http://nathguil.free.fr/

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