Re: [Rails-devel] Background Maps

[brett l. <bre...@gm...>]

I think this is an excellent direction to continue working on.

The patch looks like it consolidates a bunch of code into a couple of
classes, which looks good on first glance.

I'd definitely like to see the finished patch once you're ready for it
to be merged into the codebase.

---Brett.



On Mon, Jun 6, 2011 at 2:45 PM, Adam Badura <ab...@o2...> wrote:
> Sorry for the delay but I decided to adapt the patch to current code
> revision and have a look whether it does what I recall it did. Also I
> removed some additional works on symbols which I was doing along (this was
> the reason to start this work) but would be only distracting now.
>
> The code is mostly not documented as it is a working patch. Its not also
> "clean". But it does show that SVG Document isn't that hard. (To scroll or
> zoom use standard Batik components ways: Shift/Ctrl + moves with mouse
> buttons pressed.)
>
> So what do you think? Should I continue my work in this area?
>
> Adam Badura
>
> -----Oryginalna wiadomość----- From: Erik Vos
> Sent: Monday, June 06, 2011 2:43 PM
> To: 'Development list for Rails: an 18xx game'
> Subject: Re: [Rails-devel] Background Maps
>
> Adam,
>
> Congratulations with your second child!
>
> I'm certainly interested to have a look at your code, to check if I can
> merge it with my map display code.
>
> Some more comments below.
>
>> -----Oorspronkelijk bericht-----
>> Van: Adam Badura [mailto:ab...@o2...]
>>
>>    I was working on moving entire drawing to SVG (and this was one of the
>> reasons I tried to push Batik 1.7). But recently my second child was born
>> and
>> there is some little chaos in my life with not much time for such tasks.
>> I still have SVN Patch yet it is already conflicting at some places with
>> new
>> code.
>>
>>    What I managed to get was to create an SVG document containing map (all
>> the tiles, either from map or track tiles). It looked significantly better
>> than our
>> previous drawing mechanism. While it was much less and much simpler code.
>> Also it scaled nicely.
>>
>>    What the code was missing was:
>> (1) drawing station tokens,
>> (2) drawing train paths,
>> (3) handling scaling and scrolling well,
>> (4) support tile selection.
>>
>>    First two would likely require some "hacking" as there is no easy way
>> currently to do it in SVG Document as there is not "specification" of
>> tracks
>> and stations on an SVG tile. But previous code did it somehow and I guess
>> that solution could be used with SVG Document as well until (if ever) SVG
>> tiles will receive better description. (That is a topic interesting on its
>> own...)
>
> The tracks and the token spot locations are also (somewhat cryptically)
> defined in Tiles.xml, and these definitions are currently used to draw the
> train paths and tokens.
> For the time being (or perhaps forever) that can be left as is, drawing
> these objects in the top layer of the JLayeredPane that I'm currently using.
> However, that would still require achieving correct alignment of the two
> layers after zooming.
>
>>    I tries to handle third  by using JSVGSrolledPane (or something called
>> similarly) but didn't achieve much. Then I had to interrupt my
>> investigations.
>
> I have also been thinking about JSVGScrolledPane, but I think using that
> will only become possible once we manage to do all drawing via JSVG.
>
>>    Fourth should be easy as Batik provides some events to detect this. I
>> expect this could be even easier then current mouse handling. Borders
>> around selected or marked tiles could likely be achieved easily with CSS
>> in the
>> SVG Document.
>
> Sounds good.
>
> Erik.
>
>
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