Re: [Rails-devel] Automatic route calculation

[alexti <al...@sh...>]

Hi Stefan,

Format you've suggested is fine. I don't see any problem reading it. I  
assume tile-ID is the same thing as tile# printed on real tiles? I may not  
have more exotic tiles defined, but that should be easy to add. How  
orientation is encoded (in terms of N,NE,NW,S,SE,SW notation)? I would  
also need map orientation (letters are column or rows and the "oddness" of  
map).

Thanks,
Alex.

On Wed, 24 Mar 2010 13:56:32 -0600, Stefan Frey <ste...@we...> wrote:

> Hi Alex,
> my time constraints are similars to yours, thus do not expect anything  
> before
> the we and even then not too much.
>
> I am still wondering how you convert our map layout into your graph  
> definition
> (without manual work, especially with respect to tile orientation), but I
> will leave that up to you.
>
> I can easily provide a list with
> Map-ID, tile-ID, orientation
>
> as used internally by Rails.
>
> for example (orientation is random here)
> A2, 9, 1
> A4, 24, 2
> A6, 8, 3
> etc.
>
> Is that ok?
>
> Stefan
>
>
>
> On Wednesday 24 March 2010 04:52:14 alexti wrote:
>> Hi Stefan,
>>
>> I like your idea. It makes sense that artificially complicated track
>> layout with lack of station markers in a simpler game may create more
>> difficult problem than the realistic scenario in a more complex game  
>> will.
>>
>> If you are volunteering to create such setup for 1870 I can try to build
>> similar scenario for 1856 (with couple of diesels, for example). In what
>> form can you export such setup? Something simple (for example
>> comma-separated tile ids) will do. I won't have time to do it until the
>> weekend though...
>>
>> Alex.
>>
>> On Tue, 23 Mar 2010 16:35:52 -0600, Stefan Frey <ste...@we...>  
>> wrote:
>> > Alex:
>> > Some more comments on a potential test for automatic route  
>> calculation:
>> >
>> > I think there is no need for one of the more "exotic" types (18US,  
>> 18C2C,
>> > 1844) to create a (reasonable) difficult scenario.
>> >
>> > It is easy to create a quite involved track layout with maps and tiles
>> > of one
>> > of titles already implemented in Rails (for this even the partially
>> > implemented 1835 or 1870 would work).
>> >
>> > Then rails could supply:
>> >
>> > * A map (here I mean the collection) with map hexes and tiles. From my
>> > point
>> > of view it is still open, how it is converted to the graph you need to
>> > run
>> > your algorithm.
>> >
>> > * The trains available to the one company could be easily changed. And
>> > we can
>> > make things more difficult by requesting scenarios, which are not
>> > possible in
>> > 1870: For example running a  8, 10 and 12 at once.
>> >
>> > * I think, that there is no need for tokens so far (either simply  
>> assume
>> > that
>> > there are none (which would allow even more connections than usual) or
>> > create
>> > a network that is usually available to one company after considering  
>> the
>> > effects of tokening, if we want to built a more realistic test case).
>> >
>> > If no other wants to jump in, I would volunteer to create such a  
>> network
>> > on
>> > the 1870 map.
>> >
>> > Stefan
>> >
>> >> >> Perhaps it can be tested? There is no need to have complete  
>> support
>> >>
>> >> of
>> >>
>> >> >> such games in Rails to make experiment. We could create a graph
>> >> >> representing "difficult case" and run algorithm on it.
>> >> >
>> >> > Yes, though it could take time to manually build the graph the way
>> >>
>> >> your
>> >>
>> >> > algorithm wants it.
>> >> >
>> >> >> > Some I would look at would be 18US, 18C2C (for sheer size and  
>> the
>> >> >>
>> >> >> ability
>> >> >>
>> >> >> > for a company to run lots of large trains), 1844 (which adds
>> >>
>> >> tunnels
>> >>
>> >> >> and
>> >> >>
>> >> >> > mountains that affect the route score), and 1860.
>> >> >>
>> >> >> Unfortunately, I don't own any of them :(
>> >> >
>> >> > The complete rules are available for at least 18US and 1844, and
>> >>
>> >> ps18xx
>> >>
>> >> > includes the map/tiles for all of them.
>> >>
>> >> Are there some cases you would consider examples of "difficult" ones
>> >> that
>> >> are available in some kind of format? From some PBEM games perhaps?  
>> It
>> >> might be relatively easy to convert them into the graph I need. And  
>> it's
>> >> difficult to get an impression of what realistic end game layout  
>> would
>> >> be
>> >> without playing the game.
>> >
>> >  
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>
>
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